package main

import (
	"context"
	"log"
	"os"
	"os/signal"
	"syscall"

	tea "github.com/charmbracelet/bubbletea"

	"github.com/your-username/todo/src/ai"
	"github.com/your-username/todo/src/config"
	"github.com/your-username/todo/src/database"
	"github.com/your-username/todo/src/ui"
)

func main() {
	// Setup logging
	logFile, err := os.OpenFile("todo.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		log.Fatal(err)
	}
	defer logFile.Close()
	log.SetOutput(logFile)

	// Create context that can be cancelled on signal
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	// Handle shutdown signals
	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
	go func() {
		<-sigChan
		cancel()
	}()

	// Load configuration
	cfg, err := config.LoadConfig()
	if err != nil {
		log.Fatalf("Failed to load config: %v", err)
	}

	// Initialize database
	db, err := database.NewDatabase(cfg.Database)
	if err != nil {
		log.Fatalf("Failed to initialize database: %v", err)
	}
	defer db.Close()

	// Initialize AI service
	aiService := ai.NewAIService(&cfg.AI)

	// Start background analyzer if enabled
	if cfg.UI.IdleStartHour >= 0 {
		analyzer := ai.NewBackgroundAnalyzer(db, aiService, cfg)
		go analyzer.Start(ctx)
	}

	// Initialize and start UI
	if err := tea.NewProgram(ui.New(db, aiService)).Start(); err != nil {
		log.Printf("Error running program: %v", err)
		os.Exit(1)
	}
}