package testutil

import (
	"context"
	"log/slog"
	"os"
	"testing"
	"time"

	"git.nakama.town/fmartingr/hako/internal/archival/archiver"
	archivalRules "git.nakama.town/fmartingr/hako/internal/archival/rules"
	archivalStore "git.nakama.town/fmartingr/hako/internal/archival/store"
	"git.nakama.town/fmartingr/hako/internal/auth"
	"git.nakama.town/fmartingr/hako/internal/auth/store"
	"git.nakama.town/fmartingr/hako/internal/config"
	"git.nakama.town/fmartingr/hako/internal/database"
	"git.nakama.town/fmartingr/hako/internal/dependencies"
	"git.nakama.town/fmartingr/hako/internal/extractors"
	"git.nakama.town/fmartingr/hako/internal/jobs"
	"git.nakama.town/fmartingr/hako/internal/storage"
	"github.com/stretchr/testify/require"
)

// TestDependencies holds all dependencies needed for testing
type TestDependencies struct {
	Config            *config.Config
	DBConnections     *database.Connections
	Dependencies      *dependencies.Dependencies
	ArchiveStore      *archivalStore.ArchiveStore
	ArchiveFileStore  *archivalStore.ArchiveFileStore
	LinkCategoryStore *archivalStore.LinkCategoryStore
	Worker            *jobs.Worker
	Logger            *slog.Logger
}

// GetTestConfigurationAndDependencies creates test configuration and dependencies
// with a temporary SQLite database that is cleaned up after tests
func GetTestConfigurationAndDependencies(t *testing.T, ctx context.Context) *TestDependencies {
	t.Helper()

	// Create temporary database file
	tmpDB, err := os.CreateTemp("", "hako_test_*.db")
	require.NoError(t, err)
	_ = tmpDB.Close()

	// Create temporary storage directory
	tmpStorageDir, err := os.MkdirTemp("", "hako_test_storage_*")
	require.NoError(t, err)

	// Clean up after test
	t.Cleanup(func() {
		_ = os.Remove(tmpDB.Name())
		_ = os.Remove(tmpDB.Name() + "-wal")
		_ = os.Remove(tmpDB.Name() + "-shm")
		_ = os.RemoveAll(tmpStorageDir)
	})

	dbURL := "sqlite:" + tmpDB.Name()

	// Create logger
	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelError}))

	// Create test configuration
	cfg := &config.Config{
		DatabaseURL:        dbURL,
		DatabaseReadURL:    dbURL,
		JWTSecret:          "test-secret-key-for-testing-only",
		JWTExpiration:      24 * time.Hour,
		ServerPort:         8080,
		ArchiveStoragePath: tmpStorageDir,
	}

	// Create database connections
	dbConnections, err := database.NewConnections(cfg.DatabaseReadURL, cfg.DatabaseURL)
	require.NoError(t, err)

	// Clean up database connections after test
	t.Cleanup(func() {
		_ = dbConnections.Close()
	})

	// Run migrations
	err = database.InitSchema(dbConnections)
	require.NoError(t, err)

	// Initialize store layer
	userStore := store.NewUserStore(dbConnections.Read, dbConnections.Write)

	// Create dependencies
	deps := dependencies.NewDependencies(logger, dbConnections, cfg)

	// Initialize JWT service
	jwtService := auth.NewJWTService(cfg.JWTSecret, cfg.JWTExpiration)

	// Initialize storage
	stor := storage.NewLocalStorage(cfg.ArchiveStoragePath)

	// Initialize archiver manager
	archiverMgr := archiver.NewManager()
	_ = archiverMgr.Register(archiver.NewDirectDownloadExtractor())
	_ = archiverMgr.Register(archiver.NewYtDlpArchiver())

	// Initialize extractor manager
	extractorMgr := extractors.NewManager(logger)
	_ = extractorMgr.Register(extractors.NewPDFExtractor())

	// Initialize archival stores
	linkStore := archivalStore.NewLinkStore(dbConnections.Read, dbConnections.Write)
	archiveStore := archivalStore.NewArchiveStore(dbConnections.Read, dbConnections.Write)
	archiveFileStore := archivalStore.NewArchiveFileStore(dbConnections.Read, dbConnections.Write)
	categoryStore := archivalStore.NewCategoryStore(dbConnections.Read, dbConnections.Write)
	linkCategoryStore := archivalStore.NewLinkCategoryStore(dbConnections.Read, dbConnections.Write)
	archiverConfigStore := archivalStore.NewArchiverConfigStore(dbConnections.Read, dbConnections.Write)
	settingsStore := archivalStore.NewSettingsStore(dbConnections.Read, dbConnections.Write)

	// Initialize rule engine with default rules
	rulesConfig := archivalRules.GetDefaultRulesConfig()
	ruleEngine := archivalRules.NewEngine(rulesConfig)

	// Initialize job queue
	queue := jobs.NewMemoryQueue()

	// Set stores and other dependencies in dependencies
	deps.LinkStore = linkStore
	deps.ArchiveStore = archiveStore
	deps.ArchiveFileStore = archiveFileStore
	deps.LinkCategoryStore = linkCategoryStore
	deps.CategoryStore = categoryStore
	deps.ArchiverConfigStore = archiverConfigStore
	deps.SettingsStore = settingsStore
	deps.UserStore = userStore
	deps.Storage = stor
	deps.Queue = queue
	deps.ArchiverMgr = archiverMgr
	deps.ExtractorMgr = extractorMgr
	deps.RuleEngine = ruleEngine
	deps.JWTService = jwtService

	// Note: Domains should be initialized by the test itself to avoid import cycles
	// Worker will be created by tests that need it after domains are initialized

	return &TestDependencies{
		Config:            cfg,
		DBConnections:     dbConnections,
		Dependencies:      deps,
		ArchiveStore:      archiveStore,
		ArchiveFileStore:  archiveFileStore,
		LinkCategoryStore: linkCategoryStore,
		Worker:            nil, // Worker should be created by tests after domains are initialized
		Logger:            logger,
	}
}