package main

import (
	"context"
	"log"
	"time"

	"affiliate_dash/internal/config"
	"affiliate_dash/internal/database"
	"affiliate_dash/internal/handler"
	"affiliate_dash/internal/pkg/applog"
	"affiliate_dash/internal/pkg/jwt"
	"affiliate_dash/internal/pkg/openlog"
	"affiliate_dash/internal/pkg/timeutil"
	"affiliate_dash/internal/router"
	"affiliate_dash/internal/service"

	"github.com/gin-gonic/gin"
	"gorm.io/driver/postgres"
	"gorm.io/gorm"
)

func main() {
	cfg := config.Load()
	time.Local = timeutil.Location()

	// 日志：控制台 + 文件
	logFile, err := applog.Setup(cfg.LogFile)
	if err != nil {
		log.Fatalf("setup log: %v", err)
	}
	if logFile != nil {
		defer logFile.Close()
	}

	gin.SetMode(cfg.Mode)

	db, err := gorm.Open(postgres.Open(cfg.DatabaseURL), &gorm.Config{
		Logger: applog.NewGormLogger(cfg.Mode),
	})
	if err != nil {
		log.Fatalf("open db: %v", err)
	}

	if err := database.Migrate(db); err != nil {
		log.Fatalf("migrate: %v", err)
	}

	jm := jwt.NewManager(cfg.JWTSecret)
	codec, err := service.NewSecretCodec(cfg.DataEncryptionKey)
	if err != nil {
		log.Fatalf("setup secret codec: %v", err)
	}
	tenantSvc := service.NewTenantService(db)
	authSvc := service.NewAuthService(db, jm, tenantSvc)
	userSvc := service.NewUserService(db, tenantSvc)
	callbackSvc := service.NewCallbackService(db, codec)
	fulfillmentSvc := service.NewFulfillmentService(db, callbackSvc)
	merchantSvc := service.NewMerchantService(db, codec, tenantSvc)
	deliverySvc := service.NewDeliveryService(
		fulfillmentSvc,
		cfg.DeliveryBFFBaseURL,
		cfg.DeliveryChannel,
		cfg.DeliveryBaseURL,
		cfg.DeliveryLinkSecret,
		cfg.DeliveryLinkTTLMinutes,
	)

	if err := authSvc.EnsureAdmin(); err != nil {
		log.Fatalf("ensure admin: %v", err)
	}

	openlog.Init(cfg.OpenAPIDebug)

	h := &router.Handlers{
		Auth:          handler.NewAuthHandler(authSvc),
		Dashboard:     handler.NewDashboardHandler(fulfillmentSvc),
		Delivery:      handler.NewDeliveryHandler(deliverySvc),
		User:          handler.NewUserHandler(userSvc),
		Open:          handler.NewOpenV1Handler(merchantSvc, fulfillmentSvc, deliverySvc),
		SourceOpen:    handler.NewOpenHandler(fulfillmentSvc),
		Merchant:      handler.NewMerchantHandler(merchantSvc, fulfillmentSvc, callbackSvc, deliverySvc),
		JWT:           jm,
		Tenant:        tenantSvc,
		OpenDB:        db,
		SecretCodec:   codec,
		OpenAPIKey:    cfg.OpenAPIKey,
		OpenAPISecret: cfg.OpenAPISecret,
		OpenSignSkew:  cfg.OpenSignSkew,
		OpenAPIDebug:  cfg.OpenAPIDebug,
	}

	go callbackSvc.Run(context.Background())
	go fulfillmentSvc.RunProcessingTimeoutMonitor(
		context.Background(),
		time.Duration(cfg.FulfillmentProcessingTimeoutMinutes)*time.Minute,
		time.Duration(cfg.FulfillmentTimeoutScanIntervalSeconds)*time.Second,
	)

	r := router.Setup(h)
	addr := ":" + cfg.Port
	log.Printf("游戏皮肤供货平台 API 启动: http://localhost%s", addr)
	log.Printf("数据库: PostgreSQL")
	log.Printf("默认管理员: admin / admin123")
	log.Printf("开放接口鉴权: X-App-Key + X-Timestamp + X-Nonce + X-Sign (HMAC-SHA256)")
	if cfg.OpenAPIDebug {
		log.Printf("开放接口调试日志: 开启 (OPEN_API_DEBUG=0 可关闭)")
	}
	if cfg.LogFile != "" {
		log.Printf("日志文件: %s （同时输出控制台）", cfg.LogFile)
	}
	if err := r.Run(addr); err != nil {
		log.Fatalf("server: %v", err)
	}
}