// oci-portal 后端服务启动入口。
package main

import (
	"context"
	"log"

	"gorm.io/gorm"

	"oci-portal/internal/api"
	"oci-portal/internal/config"
	"oci-portal/internal/crypto"
	"oci-portal/internal/database"
	"oci-portal/internal/oci"
	"oci-portal/internal/service"
)

func main() {
	if err := run(); err != nil {
		log.Fatal(err)
	}
}

// bootstrap 完成配置加载、数据库打开与加密组件构建。
func bootstrap() (*config.Config, *gorm.DB, *crypto.Cipher, error) {
	cfg, err := config.Load()
	if err != nil {
		return nil, nil, nil, err
	}
	db, err := database.Open(cfg.DBPath)
	if err != nil {
		return nil, nil, nil, err
	}
	cipher, err := crypto.NewCipher(cfg.DataKey)
	if err != nil {
		return nil, nil, nil, err
	}
	return cfg, db, cipher, nil
}

func run() error {
	cfg, db, cipher, err := bootstrap()
	if err != nil {
		return err
	}
	auth := service.NewAuthService(db, cfg.JWTSecret)
	auth.SetCipher(cipher)
	if err := auth.EnsureAdmin(cfg.AdminUsername, cfg.AdminPassword); err != nil {
		return err
	}
	ociClient := oci.NewCachedClient(oci.NewClient())
	ociConfigs := service.NewOciConfigService(db, cipher, ociClient)
	settings := service.NewSettingService(db, cipher)
	settings.SetEnvPublicURL(cfg.PublicURL)
	if err := settings.ReloadSecurity(context.Background()); err != nil {
		return err
	}
	notifier := service.NewNotifier(settings)
	auth.SetNotifier(notifier, settings)
	oauth := service.NewOAuthService(db, settings, auth)
	systemLogs := service.NewSystemLogService(db)
	logEvents := service.NewLogEventService(db)
	logEvents.SetRelayDeps(ociConfigs, ociClient, cfg.PublicURL)
	logEvents.SetNotifier(notifier, settings)
	cleanupCtx, stopCleanup := context.WithCancel(context.Background())
	systemLogs.StartCleanup(cleanupCtx)
	logEvents.StartParser(cleanupCtx)
	logEvents.StartCleanup(cleanupCtx)
	aiGateway := service.NewAiGatewayService(db, ociConfigs, ociClient)
	aiGateway.StartCleanup(cleanupCtx)
	// defer 为 LIFO：先停调度与清理，再等在途通知与日志写完
	defer logEvents.Wait()
	defer systemLogs.Wait()
	defer notifier.Wait()
	defer aiGateway.Wait()
	defer stopCleanup()
	tasks := service.NewTaskService(db, ociConfigs, notifier, settings)
	tasks.AttachAiGateway(aiGateway)
	aiGateway.SetOnChannelsChanged(tasks.SyncAiProbeTask)
	if err := tasks.Start(); err != nil {
		return err
	}
	defer tasks.Stop()
	// 启动时对齐一次探测任务(已有渠道而任务缺失/暂停时自动建立或激活)
	tasks.SyncAiProbeTask(context.Background())
	console := service.NewConsoleService(ociConfigs)
	proxies := service.NewProxyService(db, cipher)
	defer proxies.Wait()
	return api.NewRouter(auth, oauth, ociConfigs, tasks, console, settings, notifier, systemLogs, logEvents, proxies, aiGateway).Run(cfg.Addr)
}