package main

import (
	"log"
	"net/http"
	"os"
	"path/filepath"
	"time"

	"scout/internal/httpapi"
	"scout/internal/notify"
	"scout/internal/registry"
	"scout/internal/users"
)

func main() {
	address := envOr("SCOUT_ADDR", ":8080")
	dataDir := envOr("SCOUT_DATA_DIR", "data")
	token := os.Getenv("SCOUT_DEVELOPER_TOKEN")
	logger := log.Default()
	store, err := registry.New(dataDir)
	if err != nil {
		logger.Fatal(err)
	}
	userStore, err := users.New(filepath.Join(dataDir, "users.json"))
	if err != nil {
		logger.Fatal(err)
	}
	if adminEmail := os.Getenv("SCOUT_ADMIN_EMAIL"); adminEmail != "" {
		if _, err := userStore.EnsureAdmin(adminEmail, os.Getenv("SCOUT_ADMIN_NAME"), os.Getenv("SCOUT_ADMIN_PASSWORD")); err != nil {
			logger.Fatal(err)
		}
	}
	server := &httpapi.Server{
		Registry:        store,
		DeveloperToken:  token,
		MaxUploadBytes:  512 << 20,
		Users:           userStore,
		Mailer:          notify.NewFromEnv(logger),
		SessionDuration: 24 * time.Hour,
		Logger:          logger,
	}
	logger.Printf("Scout 包服务端正在监听 %s，数据目录为 %s", address, dataDir)
	if token == "" {
		logger.Printf("未配置 SCOUT_DEVELOPER_TOKEN，上传需要开发者账户或管理员账户")
	}
	if os.Getenv("SCOUT_SMTP_HOST") == "" {
		logger.Printf("未配置 SMTP，邮箱通知将只记录日志")
	}
	if err := http.ListenAndServe(address, server.Handler()); err != nil {
		logger.Fatal(err)
	}
}

func envOr(name, fallback string) string {
	if value := os.Getenv(name); value != "" {
		return value
	}
	return fallback
}