package router

import (
	"fmt"
	"net/http"
	"strings"
	"time"
	"videoweb/app/api/home"
	"videoweb/app/appg"
	"videoweb/app/middleware/auth"
	"videoweb/app/middleware/cors"
	"videoweb/app/middleware/ipblacklist"
	"videoweb/app/middleware/ipstat"
	"videoweb/app/middleware/reptilerecord"
	"videoweb/app/middleware/templatecache"
	"videoweb/app/middleware/visit"
	"videoweb/pub/common"
	"videoweb/pub/common/enum/consts"
	"videoweb/pub/common/log"
	"videoweb/pub/common/useragent"

	"github.com/DeanThompson/ginpprof"
	"github.com/gin-gonic/gin"
	swaggerFiles "github.com/swaggo/files"
	ginSwagger "github.com/swaggo/gin-swagger"

	_ "videoweb/app/docs"
)

func Init() (engine *gin.Engine) {
	// 设置启动模式
	switch appg.Conf.RunMod {
	case "dev":
		gin.SetMode(gin.DebugMode)
	case "test":
		gin.SetMode(gin.TestMode)
	case "prod":
		gin.SetMode(gin.ReleaseMode)
	default:
		gin.SetMode(gin.DebugMode)
	}
	// 初始化gin引擎
	engine = gin.Default()
	if appg.Conf.TrustedProxies != "" {
		proxies := strings.Split(appg.Conf.TrustedProxies, ",")
		for i, p := range proxies {
			proxies[i] = strings.TrimSpace(p)
		}
		_ = engine.SetTrustedProxies(proxies)
		log.Infof("SetTrustedProxies: %v", proxies)
	} else {
		_ = engine.SetTrustedProxies([]string{})
		log.Infof("SetTrustedProxies: none (direct TCP IP mode)")
	}
	engine.HandleMethodNotAllowed = true
	engine.MaxMultipartMemory = 60 << 20

	common.InitGinSecret(appg.Conf.ResKey, consts.RunMod(appg.Conf.RunMod))
	// 注册中间件
	registeMiddleware(engine)
	// 注册路由
	registeRouter(engine)

	if appg.Conf.RunMod != "prod" {
		setGinSwagger(engine)
	}
	// 是否开启监控服务
	if appg.Conf.Pprof {
		ginpprof.Wrap(engine)
	}
	return
}

func registeMiddleware(engine *gin.Engine) {
	engine.Use(
		// gin.Recovery(),
		cors.Cors(&cors.Options{
			Origin:  nil, // "*"
			Methods: []string{http.MethodGet, http.MethodPost, http.MethodPut, http.MethodHead, http.MethodDelete},
			AllowedHeaders: []string{
				"Content-Length", "Content-Type", "Authorization", "X-User-Agent",
				"device", "api_version", "x-api-key", "channel",
				"sid",
				"device_brand", "device-brand",
				"device_model", "device-model",
				"system_name", "system-name",
				"system_version", "system-version",
			},
			ExposedHeaders:       []string{"Content-Disposition"},
			OptionsSuccessStatus: http.StatusOK,
		}),
		// 必须是此顺序, happens before原则
		//monitor.Check,
		ipblacklist.IpBlackListMiddleware,
		reptilerecord.ReptileRecord,
		ipstat.IpStatMiddleware,
		useragent.UserAgent,
		auth.Auth,
		// calllimit.Check,
		visit.Visit,
	)
}

// 注册路由
func registeRouter(r *gin.Engine) {
	videoRouter(r)
	playletRouter(r)
	playletThemeRouter(r)
	commentRouter(r)
	coinRouter(r)
	feedbackRouter(r)
	contactUsRouter(r)
	authRouter(r)
	rechargeRouter(r)
	rechargePackageRouter(r)
	uploadRouter(r)
	healthRouter(r)
	configRouter(r)
	appInfoRouter(r)
	translationRouter(r)
	statcenterRouter(r)
	adsRouter(r)
	r.GET("/notpage", templatecache.WithCache(time.Minute*1), home.PageNotFound)

}

// 设置swag 接口信息
func setGinSwagger(router *gin.Engine) {
	url := ginSwagger.URL(fmt.Sprintf("%s/swagger/doc.json", appg.Conf.Host))
	router.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler, url))
}