package main

import (
	"context"
	"log"
	"net/http"
	"os"
	"os/signal"
	"syscall"
	"time"

	"codespace/internal/api"
	"codespace/internal/process"
	"codespace/internal/service"
	"codespace/internal/workspace"
	"codespace/pkg/config"
	"codespace/pkg/logger"
)

func main() {
	cfg, err := config.Load("configs/config.yaml")
	if err != nil {
		log.Fatalf("failed to load config: %v", err)
	}

	lg := logger.New()

	workspaces := workspace.NewLocalManager(cfg.Workspace.Root)
	processes := process.NewManager(cfg.Process.OpenCodeCommand)

	workspaceSvc := service.NewWorkspaceService(workspaces, processes)
	fileSvc := service.NewFileService(workspaces)
	processSvc := service.NewProcessService(workspaces, processes)

	router := api.NewRouter(workspaceSvc, fileSvc, processSvc)

	server := &http.Server{
		Addr:           cfg.Server.Addr,
		Handler:        router,
		ReadTimeout:    cfg.Server.ReadTimeout,
		WriteTimeout:   cfg.Server.WriteTimeout,
		IdleTimeout:    cfg.Server.IdleTimeout,
		MaxHeaderBytes: cfg.Server.MaxHeaderBytes,
	}

	lg.Printf("listening on %s, workspace root: %s", cfg.Server.Addr, cfg.Workspace.Root)

	go func() {
		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
			lg.Fatalf("server error: %v", err)
		}
	}()

	quit := make(chan os.Signal, 1)
	signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
	<-quit

	lg.Printf("shutting down...")
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	if err := server.Shutdown(ctx); err != nil {
		lg.Fatalf("forced shutdown: %v", err)
	}
}