package tasks

import (
	"errors"
	"fmt"
	"log/slog"

	"bunker/client/internal/application"
	"bunker/client/internal/services/core"
	"bunker/client/internal/services/features"
)

var errTasks = errors.New("tasks feature service")

type tasks struct {
	app        *application.Application
	logger     *slog.Logger
	db         core.Database
	mainWindow core.MainWindow
}

// Initialize initializes service.
func Initialize(app *application.Application) error {
	tsks := &tasks{
		app: app,
	}

	if err := app.RegisterService(tsks); err != nil {
		return fmt.Errorf("%w: %w", errTasks, err)
	}

	return nil
}

func (t *tasks) Configure() error {
	return nil
}

func (t *tasks) ConnectDependencies() error {
	databaseRaw := t.app.Service(core.ServiceNameDatabase)
	if databaseRaw == nil {
		return fmt.Errorf("connect dependencies: get database service: %w", application.ErrServiceNotFound)
	}

	database, valid := databaseRaw.(core.Database)
	if !valid {
		return fmt.Errorf("connect dependencies: type assert database service: %w", core.ErrDatabaseIsInvalid)
	}

	t.db = database

	mainWindowRaw := t.app.Service(core.ServiceNameMainWindow)
	if mainWindowRaw == nil {
		return fmt.Errorf("connect dependencies: get main window: %w", application.ErrServiceNotFound)
	}

	mainWindow, valid := mainWindowRaw.(core.MainWindow)
	if !valid {
		return fmt.Errorf("connect dependencies: type assert main window: %w", core.ErrMainWindowIsInvalid)
	}

	t.mainWindow = mainWindow

	return nil
}

func (t *tasks) Initialize() error {
	t.logger = t.app.NewLogger("service", features.ServiceNameTasks)

	t.logger.Info("Initializing...")

	return nil
}

func (t *tasks) Name() string {
	return features.ServiceNameAccounts
}

func (t *tasks) LaunchStartupTasks() error {
	return nil
}

func (t *tasks) Shutdown() error {
	return nil
}