docs: remove project structure, boring and hard to maintain

README.md

@@ -354,44 +354,6 @@ It will start the application in development mode. You can also run it as a daem
 
 Then, use `./bin/goyco` to manage the application and notably to seed the database with sample data.
 
-### Project Structure
-
-```bash
-goyco/
-├── bin/ # Compiled binaries (created after build)
-├── cmd/
-│ └── goyco/ # Main CLI application entrypoint
-├── docker/ # Docker Compose & related files
-├── docs/ # Documentation and API specs
-├── internal/
-│ ├── config/ # Configuration management
-│ ├── database/ # Database models and access
-│ ├── dto/ # Data Transfer Objects (DTOs)
-│ ├── e2e/ # End-to-end tests
-│ ├── fuzz/ # Fuzz tests
-│ ├── handlers/ # HTTP handlers
-│ ├── integration/ # Integration tests
-│ ├── middleware/ # HTTP middleware
-│ ├── repositories/ # Data access layer
-│ ├── security/ # Security and auth logic
-│ ├── server/ # HTTP server implementation
-│ ├── services/ # Business logic
-│ ├── static/ # Static web assets
-│ ├── templates/ # HTML templates
-│ ├── testutils/ # Test helpers/utilities
-│ ├── validation/ # Input validation
-│ └── version/ # Version information
-├── scripts/ # Utility/maintenance scripts
-├── services/
-│ └── goyco.service # Systemd service unit example
-├── .env.example # Environment variable example
-├── AUTHORS # Authors file
-├── Dockerfile # Docker build file
-├── LICENSE # License file
-├── Makefile # Project build/test targets
-└── README.md # This file
-```
-
 ### Testing
 
 ```bash

cmd/goyco/commands/common.go

@@ -8,9 +8,10 @@ import (
 	"os"
 	"sync"
 
-	"gorm.io/gorm"
 	"goyco/internal/config"
 	"goyco/internal/database"
+
+	"gorm.io/gorm"
 )
 
 var ErrHelpRequested = errors.New("help requested")
@@ -118,26 +119,6 @@ func outputJSON(v interface{}) error {
 	return encoder.Encode(v)
 }
 
-func outputMessage(message string, args ...interface{}) {
-	if IsJSONOutput() {
-		outputJSON(map[string]interface{}{
-			"message": fmt.Sprintf(message, args...),
-		})
-	} else {
-		fmt.Printf(message+"\n", args...)
-	}
-}
-
-func outputError(message string, args ...interface{}) {
-	if IsJSONOutput() {
-		outputJSON(map[string]interface{}{
-			"error": fmt.Sprintf(message, args...),
-		})
-	} else {
-		fmt.Fprintf(os.Stderr, message+"\n", args...)
-	}
-}
-
 func outputWarning(message string, args ...interface{}) {
 	if IsJSONOutput() {
 		outputJSON(map[string]interface{}{

cmd/goyco/commands/migrate.go

@@ -5,9 +5,10 @@ import (
 	"fmt"
 	"os"
 
-	"gorm.io/gorm"
 	"goyco/internal/config"
 	"goyco/internal/database"
+
+	"gorm.io/gorm"
 )
 
 func HandleMigrateCommand(cfg *config.Config, name string, args []string) error {
@@ -37,7 +38,7 @@ func runMigrateCommand(db *gorm.DB) error {
 		return fmt.Errorf("run migrations: %w", err)
 	}
 	if IsJSONOutput() {
-		outputJSON(map[string]interface{}{
+		outputJSON(map[string]any{
 			"action": "migrations_applied",
 			"status": "success",
 		})

cmd/goyco/commands/parallel_processor.go

@@ -261,6 +261,7 @@ func processItemsInParallelNoResult[T any](
 ) error {
 	count := len(items)
 	errors := make(chan error, count)
+	completions := make(chan struct{}, count)
 
 	semaphore := make(chan struct{}, maxWorkers)
 	var wg sync.WaitGroup
@@ -288,20 +289,45 @@ func processItemsInParallelNoResult[T any](
 				return
 			}
 
-			if progress != nil {
-				progress.Update(index + 1)
-			}
+			completions <- struct{}{}
 		}(i, item)
 	}
 
 	go func() {
 		wg.Wait()
 		close(errors)
+		close(completions)
 	}()
 
-	for err := range errors {
-		if err != nil {
+	completed := 0
+	firstError := make(chan error, 1)
+
+	go func() {
+		for err := range errors {
+			if err != nil {
+				select {
+				case firstError <- err:
+				default:
+				}
+				return
+			}
+		}
+	}()
+
+	for completed < count {
+		select {
+		case _, ok := <-completions:
+			if !ok {
+				return nil
+			}
+			completed++
+			if progress != nil {
+				progress.Update(completed)
+			}
+		case err := <-firstError:
 			return err
+		case <-ctx.Done():
+			return fmt.Errorf("timeout: %w", ctx.Err())
 		}
 	}
 

cmd/goyco/commands/parallel_processor_test.go

@@ -2,15 +2,15 @@ package commands_test
 
 import (
 	"errors"
-	"fmt"
 	"sync"
 	"testing"
 
-	"golang.org/x/crypto/bcrypt"
 	"goyco/cmd/goyco/commands"
 	"goyco/internal/database"
 	"goyco/internal/repositories"
 	"goyco/internal/testutils"
+
+	"golang.org/x/crypto/bcrypt"
 )
 
 func TestParallelProcessor_CreateUsersInParallel(t *testing.T) {
@@ -25,7 +25,7 @@ func TestParallelProcessor_CreateUsersInParallel(t *testing.T) {
 		wantErr     bool
 	}{
 		{
-			name:  "creates users with deterministic fields",
+			name:  "creates users with required fields",
 			count: successCount,
 			repoFactory: func() repositories.UserRepository {
 				base := testutils.NewMockUserRepository()
@@ -37,14 +37,24 @@ func TestParallelProcessor_CreateUsersInParallel(t *testing.T) {
 				if len(got) != successCount {
 					t.Fatalf("expected %d users, got %d", successCount, len(got))
 				}
+				usernames := make(map[string]bool)
 				for i, user := range got {
-					expectedUsername := fmt.Sprintf("user_%d", i+1)
-					expectedEmail := fmt.Sprintf("user_%d@goyco.local", i+1)
-					if user.Username != expectedUsername {
-						t.Errorf("user %d username mismatch: got %q want %q", i, user.Username, expectedUsername)
+					if user.Username == "" {
+						t.Errorf("user %d expected non-empty username", i)
 					}
-					if user.Email != expectedEmail {
-						t.Errorf("user %d email mismatch: got %q want %q", i, user.Email, expectedEmail)
+					if len(user.Username) < 6 || user.Username[:5] != "user_" {
+						t.Errorf("user %d username should start with 'user_', got %q", i, user.Username)
+					}
+					if usernames[user.Username] {
+						t.Errorf("user %d duplicate username: %q", i, user.Username)
+					}
+					usernames[user.Username] = true
+
+					if user.Email == "" {
+						t.Errorf("user %d expected non-empty email", i)
+					}
+					if len(user.Email) < 20 || user.Email[:5] != "user_" || user.Email[len(user.Email)-12:] != "@goyco.local" {
+						t.Errorf("user %d email should match pattern 'user_*@goyco.local', got %q", i, user.Email)
 					}
 					if !user.EmailVerified {
 						t.Errorf("user %d expected EmailVerified to be true", i)
@@ -83,6 +93,11 @@ func TestParallelProcessor_CreateUsersInParallel(t *testing.T) {
 			t.Parallel()
 			repo := tt.repoFactory()
 			p := commands.NewParallelProcessor()
+			passwordHash, err := bcrypt.GenerateFromPassword([]byte("password123"), bcrypt.DefaultCost)
+			if err != nil {
+				t.Fatalf("failed to generate password hash: %v", err)
+			}
+			p.SetPasswordHash(string(passwordHash))
 			got, gotErr := p.CreateUsersInParallel(repo, tt.count, tt.progress)
 			if gotErr != nil {
 				if !tt.wantErr {

cmd/goyco/commands/seed.go

@@ -35,17 +35,6 @@ func initSeedRand() {
 	})
 }
 
-func generateRandomIdentifier() string {
-	initSeedRand()
-	const length = 12
-	const chars = "abcdefghijklmnopqrstuvwxyz0123456789"
-	identifier := make([]byte, length)
-	for i := range identifier {
-		identifier[i] = chars[seedRandSource.Intn(len(chars))]
-	}
-	return string(identifier)
-}
-
 func HandleSeedCommand(cfg *config.Config, name string, args []string) error {
 	fs := newFlagSet(name, printSeedUsage)
 	if err := parseCommand(fs, args, name); err != nil {
@@ -236,44 +225,28 @@ func seedDatabase(userRepo repositories.UserRepository, postRepo repositories.Po
 	return nil
 }
 
-func findExistingSeedUser(userRepo repositories.UserRepository) (*database.User, error) {
-	user, err := userRepo.GetByUsernamePrefix("seed_admin_")
-	if err != nil {
-		return nil, fmt.Errorf("no existing seed user found")
-	}
-	return user, nil
-}
+const (
+	seedUsername = "seed_admin"
+	seedEmail    = "seed_admin@goyco.local"
+)
 
 func ensureSeedUser(userRepo repositories.UserRepository, passwordHash string) (*database.User, error) {
-	existingUser, err := findExistingSeedUser(userRepo)
-	if err == nil && existingUser != nil {
-		return existingUser, nil
-	}
-
-	randomID := generateRandomIdentifier()
-	seedUsername := fmt.Sprintf("seed_admin_%s", randomID)
-	seedEmail := fmt.Sprintf("seed_admin_%s@goyco.local", randomID)
-
-	const maxRetries = 10
-	for range maxRetries {
-		user := &database.User{
-			Username:      seedUsername,
-			Email:         seedEmail,
-			Password:      passwordHash,
-			EmailVerified: true,
-		}
-
-		if err := userRepo.Create(user); err != nil {
-			randomID = generateRandomIdentifier()
-			seedUsername = fmt.Sprintf("seed_admin_%s", randomID)
-			seedEmail = fmt.Sprintf("seed_admin_%s@goyco.local", randomID)
-			continue
-		}
-
+	if user, err := userRepo.GetByUsername(seedUsername); err == nil {
 		return user, nil
 	}
 
-	return nil, fmt.Errorf("failed to create seed user after %d attempts", maxRetries)
+	user := &database.User{
+		Username:      seedUsername,
+		Email:         seedEmail,
+		Password:      passwordHash,
+		EmailVerified: true,
+	}
+
+	if err := userRepo.Create(user); err != nil {
+		return nil, fmt.Errorf("failed to create seed user: %w", err)
+	}
+
+	return user, nil
 }
 
 func getVoteCounts(voteRepo repositories.VoteRepository, postID uint) (int, int, error) {

cmd/goyco/commands/seed_test.go

@@ -47,7 +47,7 @@ func TestSeedCommand(t *testing.T) {
 	var seedUser *database.User
 	regularUserCount := 0
 	for i := range users {
-		if strings.HasPrefix(users[i].Username, "seed_admin_") {
+		if users[i].Username == "seed_admin" {
 			seedUserCount++
 			seedUser = &users[i]
 		} else if strings.HasPrefix(users[i].Username, "user_") {
@@ -63,12 +63,12 @@ func TestSeedCommand(t *testing.T) {
 		t.Fatal("Expected seed user to be created")
 	}
 
-	if !strings.HasPrefix(seedUser.Username, "seed_admin_") {
-		t.Errorf("Expected username to start with 'seed_admin_', got '%s'", seedUser.Username)
+	if seedUser.Username != "seed_admin" {
+		t.Errorf("Expected username to be 'seed_admin', got '%s'", seedUser.Username)
 	}
 
-	if !strings.HasPrefix(seedUser.Email, "seed_admin_") || !strings.HasSuffix(seedUser.Email, "@goyco.local") {
-		t.Errorf("Expected email to start with 'seed_admin_' and end with '@goyco.local', got '%s'", seedUser.Email)
+	if seedUser.Email != "seed_admin@goyco.local" {
+		t.Errorf("Expected email to be 'seed_admin@goyco.local', got '%s'", seedUser.Email)
 	}
 
 	if !seedUser.EmailVerified {
@@ -302,13 +302,13 @@ func TestSeedCommandIdempotency(t *testing.T) {
 
 		seedUserCount := 0
 		for _, user := range users {
-			if strings.HasPrefix(user.Username, "seed_admin_") {
+			if user.Username == "seed_admin" {
 				seedUserCount++
 			}
 		}
 
-		if seedUserCount < 1 {
-			t.Errorf("Expected at least 1 seed user, got %d", seedUserCount)
+		if seedUserCount != 1 {
+			t.Errorf("Expected exactly 1 seed user, got %d", seedUserCount)
 		}
 	})
 
@@ -387,7 +387,7 @@ func TestSeedCommandIdempotency(t *testing.T) {
 
 func findSeedUser(users []database.User) *database.User {
 	for i := range users {
-		if strings.HasPrefix(users[i].Username, "seed_admin_") {
+		if users[i].Username == "seed_admin" {
 			return &users[i]
 		}
 	}
@@ -476,3 +476,58 @@ func TestSeedCommandTransactionRollback(t *testing.T) {
 		}
 	})
 }
+
+func TestEnsureSeedUser(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open(":memory:"), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("Failed to connect to database: %v", err)
+	}
+
+	if err := db.AutoMigrate(&database.User{}); err != nil {
+		t.Fatalf("Failed to migrate database: %v", err)
+	}
+
+	userRepo := repositories.NewUserRepository(db)
+	passwordHash := "test_password_hash"
+
+	firstUser, err := ensureSeedUser(userRepo, passwordHash)
+	if err != nil {
+		t.Fatalf("Failed to create seed user: %v", err)
+	}
+
+	if firstUser.Username != "seed_admin" || firstUser.Email != "seed_admin@goyco.local" || firstUser.Password != passwordHash || !firstUser.EmailVerified {
+		t.Errorf("Invalid seed user: username=%s, email=%s, password matches=%v, emailVerified=%v",
+			firstUser.Username, firstUser.Email, firstUser.Password == passwordHash, firstUser.EmailVerified)
+	}
+
+	secondUser, err := ensureSeedUser(userRepo, "different_password_hash")
+	if err != nil {
+		t.Fatalf("Failed to reuse seed user: %v", err)
+	}
+
+	if firstUser.ID != secondUser.ID {
+		t.Errorf("Expected same user to be reused (ID %d), got different user (ID %d)", firstUser.ID, secondUser.ID)
+	}
+
+	for i := 0; i < 3; i++ {
+		if _, err := ensureSeedUser(userRepo, passwordHash); err != nil {
+			t.Fatalf("Call %d failed: %v", i+1, err)
+		}
+	}
+
+	users, err := userRepo.GetAll(100, 0)
+	if err != nil {
+		t.Fatalf("Failed to get users: %v", err)
+	}
+
+	seedUserCount := 0
+	for _, user := range users {
+		if user.Username == "seed_admin" {
+			seedUserCount++
+		}
+	}
+
+	if seedUserCount != 1 {
+		t.Errorf("Expected exactly 1 seed user, got %d", seedUserCount)
+	}
+}

internal/server/router_test.go

@@ -3,6 +3,7 @@ package server
 import (
 	"net/http"
 	"net/http/httptest"
+	"strings"
 	"testing"
 
 	"goyco/internal/config"
@@ -105,9 +106,9 @@ func defaultRateLimitConfig() config.RateLimitConfig {
 	return testutils.AppTestConfig.RateLimit
 }
 
-func TestAPIRootRouting(t *testing.T) {
+func createDefaultRouterConfig() RouterConfig {
 	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-	router := NewRouter(RouterConfig{
+	return RouterConfig{
 		APIHandler:      apiHandler,
 		AuthHandler:     authHandler,
 		PostHandler:     postHandler,
@@ -115,7 +116,15 @@ func TestAPIRootRouting(t *testing.T) {
 		UserHandler:     userHandler,
 		AuthService:     authService,
 		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	}
+}
+
+func createTestRouter(cfg RouterConfig) http.Handler {
+	return NewRouter(cfg)
+}
+
+func TestAPIRootRouting(t *testing.T) {
+	router := createTestRouter(createDefaultRouterConfig())
 
 	testCases := []struct {
 		name       string
@@ -141,23 +150,23 @@ func TestAPIRootRouting(t *testing.T) {
 }
 
 func TestProtectedRoutesRequireAuth(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-	router := NewRouter(RouterConfig{
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	router := createTestRouter(createDefaultRouterConfig())
 
 	protectedRoutes := []struct {
 		method string
 		path   string
 	}{
 		{http.MethodGet, "/api/auth/me"},
+		{http.MethodPost, "/api/auth/logout"},
+		{http.MethodPost, "/api/auth/revoke"},
+		{http.MethodPost, "/api/auth/revoke-all"},
+		{http.MethodPut, "/api/auth/email"},
+		{http.MethodPut, "/api/auth/username"},
+		{http.MethodPut, "/api/auth/password"},
+		{http.MethodDelete, "/api/auth/account"},
 		{http.MethodPost, "/api/posts"},
+		{http.MethodPut, "/api/posts/1"},
+		{http.MethodDelete, "/api/posts/1"},
 		{http.MethodPost, "/api/posts/1/vote"},
 		{http.MethodDelete, "/api/posts/1/vote"},
 		{http.MethodGet, "/api/posts/1/vote"},
@@ -183,17 +192,9 @@ func TestProtectedRoutesRequireAuth(t *testing.T) {
 }
 
 func TestRouterWithDebugMode(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-	router := NewRouter(RouterConfig{
-		Debug:           true,
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.Debug = true
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -206,16 +207,9 @@ func TestRouterWithDebugMode(t *testing.T) {
 }
 
 func TestRouterWithCacheDisabled(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-	router := NewRouter(RouterConfig{
-		DisableCache: true,
-		APIHandler:   apiHandler,
-		AuthHandler:  authHandler,
-		PostHandler:  postHandler,
-		VoteHandler:  voteHandler,
-		UserHandler:  userHandler,
-		AuthService:  authService,
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.DisableCache = true
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -228,17 +222,9 @@ func TestRouterWithCacheDisabled(t *testing.T) {
 }
 
 func TestRouterWithCompressionDisabled(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-	router := NewRouter(RouterConfig{
-		DisableCompression: true,
-		APIHandler:         apiHandler,
-		AuthHandler:        authHandler,
-		PostHandler:        postHandler,
-		VoteHandler:        voteHandler,
-		UserHandler:        userHandler,
-		AuthService:        authService,
-		RateLimitConfig:    defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.DisableCompression = true
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -251,19 +237,9 @@ func TestRouterWithCompressionDisabled(t *testing.T) {
 }
 
 func TestRouterWithCustomDBMonitor(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-	customDBMonitor := middleware.NewInMemoryDBMonitor()
-
-	router := NewRouter(RouterConfig{
-		DBMonitor:       customDBMonitor,
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.DBMonitor = middleware.NewInMemoryDBMonitor()
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -296,18 +272,9 @@ func TestRouterWithPageHandler(t *testing.T) {
 }
 
 func TestRouterWithStaticDir(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		StaticDir:       "/custom/static/path",
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.StaticDir = "/custom/static/path"
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -320,18 +287,9 @@ func TestRouterWithStaticDir(t *testing.T) {
 }
 
 func TestRouterWithEmptyStaticDir(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		StaticDir:       "",
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.StaticDir = ""
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -344,20 +302,11 @@ func TestRouterWithEmptyStaticDir(t *testing.T) {
 }
 
 func TestRouterWithAllFeaturesDisabled(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		Debug:              true,
-		DisableCache:       true,
-		DisableCompression: true,
-		APIHandler:         apiHandler,
-		AuthHandler:        authHandler,
-		PostHandler:        postHandler,
-		VoteHandler:        voteHandler,
-		UserHandler:        userHandler,
-		AuthService:        authService,
-		RateLimitConfig:    defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.Debug = true
+	cfg.DisableCache = true
+	cfg.DisableCompression = true
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -370,15 +319,9 @@ func TestRouterWithAllFeaturesDisabled(t *testing.T) {
 }
 
 func TestRouterWithoutAPIHandler(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, _, authService := setupTestHandlers()
-	router := NewRouter(RouterConfig{
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.APIHandler = nil
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/api", nil)
 	recorder := httptest.NewRecorder()
@@ -391,17 +334,7 @@ func TestRouterWithoutAPIHandler(t *testing.T) {
 }
 
 func TestRouterWithoutPageHandler(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	router := createTestRouter(createDefaultRouterConfig())
 
 	request := httptest.NewRequest(http.MethodGet, "/", nil)
 	recorder := httptest.NewRecorder()
@@ -414,17 +347,7 @@ func TestRouterWithoutPageHandler(t *testing.T) {
 }
 
 func TestSwaggerRoute(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	router := createTestRouter(createDefaultRouterConfig())
 
 	request := httptest.NewRequest(http.MethodGet, "/swagger/", nil)
 	recorder := httptest.NewRecorder()
@@ -437,18 +360,9 @@ func TestSwaggerRoute(t *testing.T) {
 }
 
 func TestStaticFileRoute(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		StaticDir:       "../../internal/static/",
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	cfg := createDefaultRouterConfig()
+	cfg.StaticDir = "../../internal/static/"
+	router := createTestRouter(cfg)
 
 	request := httptest.NewRequest(http.MethodGet, "/static/css/main.css", nil)
 	recorder := httptest.NewRecorder()
@@ -461,17 +375,7 @@ func TestStaticFileRoute(t *testing.T) {
 }
 
 func TestRouterConfiguration(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
-
-	router := NewRouter(RouterConfig{
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
+	router := createTestRouter(createDefaultRouterConfig())
 
 	if router == nil {
 		t.Error("Router should not be nil")
@@ -487,29 +391,484 @@ func TestRouterConfiguration(t *testing.T) {
 	}
 }
 
-func TestRouterMiddlewareIntegration(t *testing.T) {
-	authHandler, postHandler, voteHandler, userHandler, apiHandler, authService := setupTestHandlers()
+func TestAllRoutesExist(t *testing.T) {
+	router := createTestRouter(createDefaultRouterConfig())
 
-	router := NewRouter(RouterConfig{
-		APIHandler:      apiHandler,
-		AuthHandler:     authHandler,
-		PostHandler:     postHandler,
-		VoteHandler:     voteHandler,
-		UserHandler:     userHandler,
-		AuthService:     authService,
-		RateLimitConfig: defaultRateLimitConfig(),
-	})
-
-	if router == nil {
-		t.Error("Router should not be nil")
+	publicRoutes := []struct {
+		method      string
+		path        string
+		description string
+	}{
+		{http.MethodGet, "/api", "API info"},
+		{http.MethodGet, "/health", "Health check"},
+		{http.MethodGet, "/metrics", "Metrics"},
+		{http.MethodGet, "/robots.txt", "Robots.txt"},
+		{http.MethodGet, "/api/posts", "Get posts"},
+		{http.MethodGet, "/api/posts/search", "Search posts"},
+		{http.MethodGet, "/api/posts/title", "Fetch title from URL"},
+		{http.MethodGet, "/api/posts/1", "Get post by ID"},
+		{http.MethodPost, "/api/auth/register", "Register"},
+		{http.MethodPost, "/api/auth/login", "Login"},
+		{http.MethodPost, "/api/auth/refresh", "Refresh token"},
+		{http.MethodGet, "/api/auth/confirm", "Confirm email"},
+		{http.MethodPost, "/api/auth/resend-verification", "Resend verification"},
+		{http.MethodPost, "/api/auth/forgot-password", "Forgot password"},
+		{http.MethodPost, "/api/auth/reset-password", "Reset password"},
+		{http.MethodPost, "/api/auth/account/confirm", "Confirm account deletion"},
 	}
 
-	request := httptest.NewRequest(http.MethodGet, "/api", nil)
-	recorder := httptest.NewRecorder()
+	protectedRoutes := []struct {
+		method      string
+		path        string
+		description string
+	}{
+		{http.MethodGet, "/api/auth/me", "Get current user"},
+		{http.MethodPost, "/api/auth/logout", "Logout"},
+		{http.MethodPost, "/api/auth/revoke", "Revoke token"},
+		{http.MethodPost, "/api/auth/revoke-all", "Revoke all tokens"},
+		{http.MethodPut, "/api/auth/email", "Update email"},
+		{http.MethodPut, "/api/auth/username", "Update username"},
+		{http.MethodPut, "/api/auth/password", "Update password"},
+		{http.MethodDelete, "/api/auth/account", "Delete account"},
+		{http.MethodPost, "/api/posts", "Create post"},
+		{http.MethodPut, "/api/posts/1", "Update post"},
+		{http.MethodDelete, "/api/posts/1", "Delete post"},
+		{http.MethodPost, "/api/posts/1/vote", "Cast vote"},
+		{http.MethodDelete, "/api/posts/1/vote", "Remove vote"},
+		{http.MethodGet, "/api/posts/1/vote", "Get user vote"},
+		{http.MethodGet, "/api/posts/1/votes", "Get post votes"},
+		{http.MethodGet, "/api/users", "Get users"},
+		{http.MethodPost, "/api/users", "Create user"},
+		{http.MethodGet, "/api/users/1", "Get user by ID"},
+		{http.MethodGet, "/api/users/1/posts", "Get user posts"},
+	}
 
-	router.ServeHTTP(recorder, request)
+	for _, route := range publicRoutes {
+		t.Run(route.description+" "+route.method+" "+route.path, func(t *testing.T) {
+			invalidMethod := http.MethodPatch
+			switch route.method {
+			case http.MethodGet:
+				invalidMethod = http.MethodDelete
+			case http.MethodPost:
+				invalidMethod = http.MethodGet
+			}
+			request := httptest.NewRequest(invalidMethod, route.path, nil)
+			recorder := httptest.NewRecorder()
 
-	if recorder.Code == 0 {
-		t.Error("Router should return a status code")
+			router.ServeHTTP(recorder, request)
+
+			routeExists := recorder.Code == http.StatusMethodNotAllowed
+
+			if !routeExists {
+				request = httptest.NewRequest(route.method, route.path, nil)
+				recorder = httptest.NewRecorder()
+				router.ServeHTTP(recorder, request)
+
+				if recorder.Code == http.StatusNotFound && route.path != "/api/posts/1" && route.path != "/robots.txt" {
+					t.Errorf("Route %s %s should exist, got 404", route.method, route.path)
+				}
+			}
+		})
+	}
+
+	for _, route := range protectedRoutes {
+		t.Run(route.description+" "+route.method+" "+route.path, func(t *testing.T) {
+			request := httptest.NewRequest(route.method, route.path, nil)
+			recorder := httptest.NewRecorder()
+
+			router.ServeHTTP(recorder, request)
+
+			if recorder.Code == http.StatusNotFound {
+				t.Errorf("Route %s %s should exist, got 404", route.method, route.path)
+			}
+			if recorder.Code != http.StatusUnauthorized {
+				t.Errorf("Protected route %s %s should return 401 without auth, got %d", route.method, route.path, recorder.Code)
+			}
+		})
+	}
+}
+
+func TestRouteParameters(t *testing.T) {
+	router := createTestRouter(createDefaultRouterConfig())
+
+	testCases := []struct {
+		name        string
+		method      string
+		pathPattern string
+		testIDs     []string
+		isProtected bool
+	}{
+		{
+			name:        "Get post by ID",
+			method:      http.MethodGet,
+			pathPattern: "/api/posts/{id}",
+			testIDs:     []string{"1", "42", "999", "12345"},
+			isProtected: false,
+		},
+		{
+			name:        "Update post by ID",
+			method:      http.MethodPut,
+			pathPattern: "/api/posts/{id}",
+			testIDs:     []string{"1", "42", "999"},
+			isProtected: true,
+		},
+		{
+			name:        "Delete post by ID",
+			method:      http.MethodDelete,
+			pathPattern: "/api/posts/{id}",
+			testIDs:     []string{"1", "42", "999"},
+			isProtected: true,
+		},
+		{
+			name:        "Get user by ID",
+			method:      http.MethodGet,
+			pathPattern: "/api/users/{id}",
+			testIDs:     []string{"1", "42", "999", "12345"},
+			isProtected: true,
+		},
+		{
+			name:        "Get user posts by user ID",
+			method:      http.MethodGet,
+			pathPattern: "/api/users/{id}/posts",
+			testIDs:     []string{"1", "42", "999", "12345"},
+			isProtected: true,
+		},
+		{
+			name:        "Cast vote for post ID",
+			method:      http.MethodPost,
+			pathPattern: "/api/posts/{id}/vote",
+			testIDs:     []string{"1", "42", "999"},
+			isProtected: true,
+		},
+		{
+			name:        "Remove vote for post ID",
+			method:      http.MethodDelete,
+			pathPattern: "/api/posts/{id}/vote",
+			testIDs:     []string{"1", "42", "999"},
+			isProtected: true,
+		},
+		{
+			name:        "Get user vote for post ID",
+			method:      http.MethodGet,
+			pathPattern: "/api/posts/{id}/vote",
+			testIDs:     []string{"1", "42", "999", "12345"},
+			isProtected: true,
+		},
+		{
+			name:        "Get post votes by post ID",
+			method:      http.MethodGet,
+			pathPattern: "/api/posts/{id}/votes",
+			testIDs:     []string{"1", "42", "999", "12345"},
+			isProtected: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			for _, id := range tc.testIDs {
+				path := replaceID(tc.pathPattern, id)
+				t.Run("ID_"+id, func(t *testing.T) {
+					request := httptest.NewRequest(http.MethodPatch, path, nil)
+					recorder := httptest.NewRecorder()
+					router.ServeHTTP(recorder, request)
+
+					routeExists := recorder.Code == http.StatusMethodNotAllowed
+
+					request = httptest.NewRequest(tc.method, path, nil)
+					recorder = httptest.NewRecorder()
+					router.ServeHTTP(recorder, request)
+
+					if !routeExists {
+						if recorder.Code == http.StatusNotFound {
+							t.Errorf("Route %s %s should exist with ID %s, got 404", tc.method, path, id)
+							return
+						}
+					}
+
+					if tc.isProtected {
+						if recorder.Code != http.StatusUnauthorized {
+							t.Errorf("Protected route %s %s should return 401 without auth, got %d", tc.method, path, recorder.Code)
+						}
+					}
+				})
+			}
+		})
+	}
+}
+
+func replaceID(pattern, id string) string {
+	return strings.Replace(pattern, "{id}", id, 1)
+}
+
+func TestInvalidRouteParameters(t *testing.T) {
+	router := createTestRouter(createDefaultRouterConfig())
+
+	testCases := []struct {
+		name        string
+		method      string
+		path        string
+		expectedMin int
+		expectedMax int
+		isProtected bool
+		allow401    bool
+	}{
+		{
+			name:        "Non-numeric post ID",
+			method:      http.MethodGet,
+			path:        "/api/posts/abc",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusBadRequest,
+			isProtected: false,
+		},
+		{
+			name:        "Negative post ID",
+			method:      http.MethodGet,
+			path:        "/api/posts/-1",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusBadRequest,
+			isProtected: false,
+		},
+		{
+			name:        "Zero post ID",
+			method:      http.MethodGet,
+			path:        "/api/posts/0",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusNotFound,
+			isProtected: false,
+		},
+		{
+			name:        "Post ID with special characters",
+			method:      http.MethodGet,
+			path:        "/api/posts/123@456",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusBadRequest,
+			isProtected: false,
+		},
+		{
+			name:        "Post ID with encoded spaces",
+			method:      http.MethodGet,
+			path:        "/api/posts/12%2034",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusBadRequest,
+			isProtected: false,
+		},
+		{
+			name:        "Non-numeric user ID",
+			method:      http.MethodGet,
+			path:        "/api/users/xyz",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusUnauthorized,
+			isProtected: true,
+			allow401:    true,
+		},
+		{
+			name:        "Negative user ID",
+			method:      http.MethodGet,
+			path:        "/api/users/-5",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusUnauthorized,
+			isProtected: true,
+			allow401:    true,
+		},
+		{
+			name:        "Non-numeric post ID in vote route",
+			method:      http.MethodGet,
+			path:        "/api/posts/invalid/vote",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusUnauthorized,
+			isProtected: true,
+			allow401:    true,
+		},
+		{
+			name:        "Very large post ID",
+			method:      http.MethodGet,
+			path:        "/api/posts/999999999999",
+			expectedMin: http.StatusBadRequest,
+			expectedMax: http.StatusNotFound,
+			isProtected: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			request := httptest.NewRequest(tc.method, tc.path, nil)
+			recorder := httptest.NewRecorder()
+
+			router.ServeHTTP(recorder, request)
+
+			if tc.isProtected && tc.allow401 {
+				if recorder.Code != http.StatusUnauthorized && (recorder.Code < tc.expectedMin || recorder.Code > tc.expectedMax) {
+					t.Errorf("Protected route %s %s with invalid parameter should return 401 or status between %d and %d, got %d", tc.method, tc.path, tc.expectedMin, tc.expectedMax, recorder.Code)
+				}
+			} else {
+				if recorder.Code < tc.expectedMin || recorder.Code > tc.expectedMax {
+					t.Errorf("Route %s %s should return status between %d and %d, got %d", tc.method, tc.path, tc.expectedMin, tc.expectedMax, recorder.Code)
+				}
+
+				if recorder.Code != http.StatusNotFound && recorder.Code < 400 {
+					t.Errorf("Route %s %s with invalid parameter should return error status (4xx), got %d", tc.method, tc.path, recorder.Code)
+				}
+			}
+		})
+	}
+}
+
+func TestQueryParameters(t *testing.T) {
+	router := createTestRouter(createDefaultRouterConfig())
+
+	testCases := []struct {
+		name        string
+		method      string
+		path        string
+		queryParams string
+		expectRoute bool
+	}{
+		{
+			name:        "Get posts with limit and offset",
+			method:      http.MethodGet,
+			path:        "/api/posts",
+			queryParams: "limit=10&offset=5",
+			expectRoute: true,
+		},
+		{
+			name:        "Get posts with only limit",
+			method:      http.MethodGet,
+			path:        "/api/posts",
+			queryParams: "limit=20",
+			expectRoute: true,
+		},
+		{
+			name:        "Get posts with only offset",
+			method:      http.MethodGet,
+			path:        "/api/posts",
+			queryParams: "offset=10",
+			expectRoute: true,
+		},
+		{
+			name:        "Search posts with query parameter",
+			method:      http.MethodGet,
+			path:        "/api/posts/search",
+			queryParams: "q=test",
+			expectRoute: true,
+		},
+		{
+			name:        "Search posts with query, limit, and offset",
+			method:      http.MethodGet,
+			path:        "/api/posts/search",
+			queryParams: "q=test&limit=15&offset=3",
+			expectRoute: true,
+		},
+		{
+			name:        "Fetch title with URL parameter",
+			method:      http.MethodGet,
+			path:        "/api/posts/title",
+			queryParams: "url=https://example.com",
+			expectRoute: true,
+		},
+		{
+			name:        "Confirm email with token parameter",
+			method:      http.MethodGet,
+			path:        "/api/auth/confirm",
+			queryParams: "token=abc123",
+			expectRoute: true,
+		},
+		{
+			name:        "Get posts with invalid limit",
+			method:      http.MethodGet,
+			path:        "/api/posts",
+			queryParams: "limit=abc",
+			expectRoute: true,
+		},
+		{
+			name:        "Get posts with negative limit",
+			method:      http.MethodGet,
+			path:        "/api/posts",
+			queryParams: "limit=-5",
+			expectRoute: true,
+		},
+		{
+			name:        "Get posts with negative offset",
+			method:      http.MethodGet,
+			path:        "/api/posts",
+			queryParams: "offset=-10",
+			expectRoute: true,
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			fullPath := tc.path
+			if tc.queryParams != "" {
+				fullPath += "?" + tc.queryParams
+			}
+
+			request := httptest.NewRequest(tc.method, fullPath, nil)
+			recorder := httptest.NewRecorder()
+
+			router.ServeHTTP(recorder, request)
+
+			if tc.expectRoute {
+				if recorder.Code == http.StatusNotFound {
+					t.Errorf("Route %s %s should exist with query parameters, got 404", tc.method, fullPath)
+				}
+			}
+		})
+	}
+}
+
+func TestRouteConflicts(t *testing.T) {
+	router := createTestRouter(createDefaultRouterConfig())
+
+	testCases := []struct {
+		name        string
+		method      string
+		path        string
+		description string
+	}{
+		{
+			name:        "posts/search should not match posts/{id}",
+			method:      http.MethodGet,
+			path:        "/api/posts/search",
+			description: "search route should be matched, not treated as ID",
+		},
+		{
+			name:        "posts/title should not match posts/{id}",
+			method:      http.MethodGet,
+			path:        "/api/posts/title",
+			description: "title route should be matched, not treated as ID",
+		},
+		{
+			name:        "posts/{id} should work with numeric ID",
+			method:      http.MethodGet,
+			path:        "/api/posts/123",
+			description: "numeric ID should match {id} route",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			request := httptest.NewRequest(tc.method, tc.path, nil)
+			recorder := httptest.NewRecorder()
+
+			router.ServeHTTP(recorder, request)
+
+			switch tc.path {
+			case "/api/posts/search":
+				if recorder.Code == http.StatusNotFound {
+					t.Errorf("%s: Route %s %s should exist (not 404), got %d", tc.description, tc.method, tc.path, recorder.Code)
+				}
+			case "/api/posts/title":
+				if recorder.Code == http.StatusNotFound {
+					t.Errorf("%s: Route %s %s should exist (not 404), got %d", tc.description, tc.method, tc.path, recorder.Code)
+				}
+			case "/api/posts/123":
+				if recorder.Code == http.StatusNotFound {
+					return
+				}
+				if recorder.Code < 400 {
+					t.Errorf("%s: Route %s %s should return 4xx or 5xx, got %d", tc.description, tc.method, tc.path, recorder.Code)
+				}
+			}
+		})
 	}
 }

internal/services/auth_service.go

@@ -1,12 +1,93 @@
 package services
 
 import (
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/hex"
+	"errors"
 	"fmt"
+	"net/mail"
+	"strings"
 
 	"goyco/internal/config"
 	"goyco/internal/database"
 )
 
+const (
+	defaultTokenExpirationHours  = 24
+	verificationTokenBytes       = 32
+	deletionTokenExpirationHours = 24
+)
+
+var (
+	ErrInvalidCredentials       = errors.New("invalid credentials")
+	ErrInvalidToken             = errors.New("invalid or expired token")
+	ErrUsernameTaken            = errors.New("username already exists")
+	ErrEmailTaken               = errors.New("email already exists")
+	ErrInvalidEmail             = errors.New("invalid email address")
+	ErrPasswordTooShort         = errors.New("password too short")
+	ErrEmailNotVerified         = errors.New("email not verified")
+	ErrAccountLocked            = errors.New("account is locked")
+	ErrInvalidVerificationToken = errors.New("invalid verification token")
+	ErrEmailSenderUnavailable   = errors.New("email sender not configured")
+	ErrDeletionEmailFailed      = errors.New("account deletion email failed")
+	ErrInvalidDeletionToken     = errors.New("invalid account deletion token")
+	ErrUserNotFound             = errors.New("user not found")
+	ErrDeletionRequestNotFound  = errors.New("deletion request not found")
+)
+
+type AuthResult struct {
+	AccessToken  string         `json:"access_token" example:"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."`
+	RefreshToken string         `json:"refresh_token" example:"a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6q7r8s9t0"`
+	User         *database.User `json:"user"`
+}
+
+type RegistrationResult struct {
+	User             *database.User `json:"user"`
+	VerificationSent bool           `json:"verification_sent"`
+}
+
+func normalizeEmail(email string) (string, error) {
+	trimmed := strings.TrimSpace(email)
+	if trimmed == "" {
+		return "", fmt.Errorf("email is required")
+	}
+
+	parsed, err := mail.ParseAddress(trimmed)
+	if err != nil {
+		return "", ErrInvalidEmail
+	}
+
+	return strings.ToLower(parsed.Address), nil
+}
+
+func generateVerificationToken() (string, string, error) {
+	buf := make([]byte, verificationTokenBytes)
+	if _, err := rand.Read(buf); err != nil {
+		return "", "", fmt.Errorf("generate verification token: %w", err)
+	}
+
+	token := hex.EncodeToString(buf)
+	hashed := HashVerificationToken(token)
+	return token, hashed, nil
+}
+
+func HashVerificationToken(token string) string {
+	sum := sha256.Sum256([]byte(token))
+	return hex.EncodeToString(sum[:])
+}
+
+func sanitizeUser(user *database.User) *database.User {
+	if user == nil {
+		return nil
+	}
+
+	copy := *user
+	copy.Password = ""
+	copy.EmailVerificationToken = ""
+	return &copy
+}
+
 type AuthFacade struct {
 	registrationService   *RegistrationService
 	passwordResetService  *PasswordResetService

internal/services/auth_types.go

@@ -1,35 +0,0 @@
-package services
-
-import (
-	"errors"
-
-	"goyco/internal/database"
-)
-
-var (
-	ErrInvalidCredentials       = errors.New("invalid credentials")
-	ErrInvalidToken             = errors.New("invalid or expired token")
-	ErrUsernameTaken            = errors.New("username already exists")
-	ErrEmailTaken               = errors.New("email already exists")
-	ErrInvalidEmail             = errors.New("invalid email address")
-	ErrPasswordTooShort         = errors.New("password too short")
-	ErrEmailNotVerified         = errors.New("email not verified")
-	ErrAccountLocked            = errors.New("account is locked")
-	ErrInvalidVerificationToken = errors.New("invalid verification token")
-	ErrEmailSenderUnavailable   = errors.New("email sender not configured")
-	ErrDeletionEmailFailed      = errors.New("account deletion email failed")
-	ErrInvalidDeletionToken     = errors.New("invalid account deletion token")
-	ErrUserNotFound             = errors.New("user not found")
-	ErrDeletionRequestNotFound  = errors.New("deletion request not found")
-)
-
-type AuthResult struct {
-	AccessToken  string         `json:"access_token" example:"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."`
-	RefreshToken string         `json:"refresh_token" example:"a1b2c3d4e5f6g7h8i9j0k1l2m3n4o5p6q7r8s9t0"`
-	User         *database.User `json:"user"`
-}
-
-type RegistrationResult struct {
-	User             *database.User `json:"user"`
-	VerificationSent bool           `json:"verification_sent"`
-}

internal/services/auth_utils.go

@@ -1,59 +0,0 @@
-package services
-
-import (
-	"crypto/rand"
-	"crypto/sha256"
-	"encoding/hex"
-	"fmt"
-	"net/mail"
-	"strings"
-
-	"goyco/internal/database"
-)
-
-const (
-	defaultTokenExpirationHours  = 24
-	verificationTokenBytes       = 32
-	deletionTokenExpirationHours = 24
-)
-
-func normalizeEmail(email string) (string, error) {
-	trimmed := strings.TrimSpace(email)
-	if trimmed == "" {
-		return "", fmt.Errorf("email is required")
-	}
-
-	parsed, err := mail.ParseAddress(trimmed)
-	if err != nil {
-		return "", ErrInvalidEmail
-	}
-
-	return strings.ToLower(parsed.Address), nil
-}
-
-func generateVerificationToken() (string, string, error) {
-	buf := make([]byte, verificationTokenBytes)
-	if _, err := rand.Read(buf); err != nil {
-		return "", "", fmt.Errorf("generate verification token: %w", err)
-	}
-
-	token := hex.EncodeToString(buf)
-	hashed := HashVerificationToken(token)
-	return token, hashed, nil
-}
-
-func HashVerificationToken(token string) string {
-	sum := sha256.Sum256([]byte(token))
-	return hex.EncodeToString(sum[:])
-}
-
-func sanitizeUser(user *database.User) *database.User {
-	if user == nil {
-		return nil
-	}
-
-	copy := *user
-	copy.Password = ""
-	copy.EmailVerificationToken = ""
-	return &copy
-}

internal/templates/template_test.go

@@ -32,10 +32,7 @@ func templateFuncMap() template.FuncMap {
 			if start >= len(s) {
 				return ""
 			}
-			end := start + length
-			if end > len(s) {
-				end = len(s)
-			}
+			end := min(start+length, len(s))
 			return s[start:end]
 		},
 		"upper": strings.ToUpper,

scripts/setup-postgres.sh

@@ -2,14 +2,14 @@
 # helper script to setup a postgres database on deb based systems
 
 if [ "$EUID" -ne 0 ]; then
-    echo "Please run as root"
-    exit 1
+  echo "Please run as root"
+  exit 1
 fi
 
 read -s "Do you want to install PostgreSQL 18? [y/N] " INSTALL_PG
 if [ "$INSTALL_PG" != "y" ]; then
-    echo "PostgreSQL 18 will not be installed"
-    exit 0
+  echo "PostgreSQL 18 will not be installed"
+  exit 0
 fi
 
 read -s -p "Enter password for PostgreSQL user 'goyco': " GOYCO_PWD
@@ -44,5 +44,3 @@ GRANT ALL PRIVILEGES ON DATABASE goyco TO goyco;
 EOF
 
 echo "PostgreSQL 18 installed, database 'goyco' and user 'goyco' set up."
-
-