package tests

import (
	"context"
	"net/http"
	"testing"

	"github.com/gofiber/fiber/v2"
	"knowfoolery/backend/shared/auth"
	"knowfoolery/backend/shared/database"
	"knowfoolery/backend/services/game-service/internal/services"
)

// TestBasicHealthEndpoint tests the health endpoint without containers
func TestBasicHealthEndpoint(t *testing.T) {
	app := fiber.New(fiber.Config{
		DisableStartupMessage: true,
	})

	app.Get("/health", func(c *fiber.Ctx) error {
		return c.JSON(fiber.Map{
			"status":  "healthy",
			"service": "game-service",
		})
	})

	req, err := http.NewRequest("GET", "/health", nil)
	if err != nil {
		t.Fatalf("Failed to create request: %v", err)
	}

	resp, err := app.Test(req)
	if err != nil {
		t.Fatalf("Failed to test request: %v", err)
	}

	if resp.StatusCode != 200 {
		t.Errorf("Expected status 200, got %d", resp.StatusCode)
	}
}

// TestSQLiteDatabase tests SQLite database functionality
func TestSQLiteDatabase(t *testing.T) {
	// Use in-memory SQLite database
	dbConfig := database.Config{
		Driver:   "sqlite3",
		Database: ":memory:",
	}

	db, err := database.NewClient(dbConfig)
	if err != nil {
		t.Fatalf("Failed to create database client: %v", err)
	}
	defer db.Close()

	ctx := context.Background()

	// Test database health
	if err := db.Health(ctx); err != nil {
		t.Errorf("Database health check failed: %v", err)
	}

	// Create tables
	if err := db.CreateTables(ctx); err != nil {
		t.Fatalf("Failed to create tables: %v", err)
	}

	t.Log("SQLite database test completed successfully")
}

// TestMockAuthentication tests the mock authentication system
func TestMockAuthentication(t *testing.T) {
	authService, err := auth.NewMockAuthService("test-service")
	if err != nil {
		t.Fatalf("Failed to create auth service: %v", err)
	}

	// Create mock tokens
	tokens := authService.CreateMockUsers()

	// Test admin token
	ctx := context.Background()
	adminClaims, err := authService.ValidateToken(ctx, tokens["admin"])
	if err != nil {
		t.Errorf("Failed to validate admin token: %v", err)
	}

	if adminClaims.UserID != "admin-1" {
		t.Errorf("Expected admin user ID 'admin-1', got '%s'", adminClaims.UserID)
	}

	// Verify admin role
	hasAdminRole := false
	for _, role := range adminClaims.Roles {
		if role == "admin" {
			hasAdminRole = true
			break
		}
	}

	if !hasAdminRole {
		t.Error("Admin token should have admin role")
	}

	t.Log("Mock authentication test completed successfully")
}

// TestGameServiceIntegration tests game service with SQLite
func TestGameServiceIntegration(t *testing.T) {
	// Use in-memory SQLite database
	dbConfig := database.Config{
		Driver:   "sqlite3",
		Database: ":memory:",
	}

	db, err := database.NewClient(dbConfig)
	if err != nil {
		t.Fatalf("Failed to create database client: %v", err)
	}
	defer db.Close()

	ctx := context.Background()

	// Create tables
	if err := db.CreateTables(ctx); err != nil {
		t.Fatalf("Failed to create tables: %v", err)
	}

	// Create game service
	gameService := services.NewGameService(db)

	// Test creating a session
	userID := "test-user-1"
	session, err := gameService.CreateSession(ctx, "Test Player", &userID)
	if err != nil {
		t.Fatalf("Failed to create session: %v", err)
	}

	if session.PlayerName != "Test Player" {
		t.Errorf("Expected player name 'Test Player', got '%s'", session.PlayerName)
	}

	// Test retrieving the session
	retrievedSession, err := gameService.GetSessionByID(ctx, session.ID)
	if err != nil {
		t.Fatalf("Failed to retrieve session: %v", err)
	}

	if retrievedSession.ID != session.ID {
		t.Errorf("Retrieved session ID doesn't match")
	}

	t.Log("Game service integration test completed successfully")
}

// TestFiberWithAuth tests Fiber app with authentication middleware
func TestFiberWithAuth(t *testing.T) {
	authService, err := auth.NewMockAuthService("test-service")
	if err != nil {
		t.Fatalf("Failed to create auth service: %v", err)
	}

	middleware := auth.NewJWTMiddleware(authService)
	tokens := authService.CreateMockUsers()

	app := fiber.New(fiber.Config{
		DisableStartupMessage: true,
	})

	// Add authenticated route
	api := app.Group("/api")
	api.Use(middleware.Optional())

	api.Get("/test", func(c *fiber.Ctx) error {
		user, err := auth.GetUserFromContext(c)
		if err != nil {
			return c.JSON(fiber.Map{"authenticated": false})
		}
		return c.JSON(fiber.Map{
			"authenticated": true,
			"user":          user.Username,
		})
	})

	// Test without authentication
	req, err := http.NewRequest("GET", "/api/test", nil)
	if err != nil {
		t.Fatalf("Failed to create request: %v", err)
	}

	resp, err := app.Test(req)
	if err != nil {
		t.Fatalf("Failed to test request: %v", err)
	}

	if resp.StatusCode != 200 {
		t.Errorf("Expected status 200, got %d", resp.StatusCode)
	}

	// Test with authentication
	authReq, err := http.NewRequest("GET", "/api/test", nil)
	if err != nil {
		t.Fatalf("Failed to create authenticated request: %v", err)
	}
	authReq.Header.Set("Authorization", "Bearer "+tokens["player"])

	authResp, err := app.Test(authReq)
	if err != nil {
		t.Fatalf("Failed to test authenticated request: %v", err)
	}

	if authResp.StatusCode != 200 {
		t.Errorf("Expected status 200 for authenticated request, got %d", authResp.StatusCode)
	}

	t.Log("Fiber authentication test completed successfully")
}