package http

import (
	"context"
	"mime"
	"path/filepath"

	"quyun/v2/app/commands"
	"quyun/v2/app/errorx"
	web "quyun/v2/app/http"
	"quyun/v2/app/jobs"
	"quyun/v2/app/middlewares"
	"quyun/v2/app/services"
	_ "quyun/v2/docs"
	"quyun/v2/providers/ali"
	"quyun/v2/providers/app"
	"quyun/v2/providers/http"
	"quyun/v2/providers/http/swagger"
	"quyun/v2/providers/job"
	"quyun/v2/providers/jwt"

	"go.ipao.vip/atom"
	"go.ipao.vip/atom/container"
	"go.ipao.vip/atom/contracts"

	"github.com/gofiber/fiber/v3"
	"github.com/gofiber/fiber/v3/middleware/favicon"
	"github.com/rogeecn/fabfile"
	log "github.com/sirupsen/logrus"
	"github.com/spf13/cobra"
	"go.uber.org/dig"
)

func defaultProviders() container.Providers {
	return commands.Default(container.Providers{
		http.DefaultProvider(),
		jwt.DefaultProvider(),
		job.DefaultProvider(),
		ali.DefaultProvider(),
	}...)
}

func Command() atom.Option {
	return atom.Command(
		atom.Name("serve"),
		atom.Short("run http server"),
		atom.RunE(Serve),
		atom.Providers(
			defaultProviders().
				WithProviders(
					web.Providers(),
				).
				With(
					jobs.Provide,
					services.Provide,
					middlewares.Provide,
				),
		),
	)
}

type Service struct {
	dig.In

	App        *app.Config
	Job        *job.Job
	Middleware *middlewares.Middlewares
	Http       *http.Service
	Initials   []contracts.Initial   `group:"initials"`
	Routes     []contracts.HttpRoute `group:"routes"`
}

func Serve(cmd *cobra.Command, args []string) error {
	return container.Container.Invoke(func(ctx context.Context, svc Service) error {
		log.SetFormatter(&log.JSONFormatter{})

		if svc.App.Mode == app.AppModeDevelopment {
			log.SetLevel(log.DebugLevel)

			svc.Http.Engine.Get("/swagger/*", swagger.HandlerDefault)
		}
		svc.Http.Engine.Use(errorx.Middleware)
		svc.Http.Engine.Use(favicon.New(favicon.Config{
			Data: []byte{},
		}))
		svc.Http.Engine.Use(svc.Middleware.DebugMode)

		for _, route := range svc.Routes {
			group := svc.Http.Engine.Group(route.Path(), route.Middlewares()...).Name(route.Name())
			route.Register(group)
		}

		svc.Http.Engine.Get("/admin*", checkStaticFile(svc.App.DistAdmin))
		svc.Http.Engine.Get("/*", checkStaticFile(svc.App.DistWeChat))

		return svc.Http.Serve(ctx)
	})
}

func checkStaticFile(rootPath string) func(ctx fiber.Ctx) error {
	return func(ctx fiber.Ctx) error {
		f := ctx.Params("*")
		if f == "/" || f == "" {
			f = "index.html"
		}

		checkFiles := []string{f, "index.html"}
		for _, checkFile := range checkFiles {
			filePath := filepath.Join(rootPath, checkFile)
			log.Infof("check file: %s", filePath)
			file, err := fabfile.Find(filePath)
			if err != nil {
				log.Warnf("file not found: %s", filePath)
				continue
			}

			ext := filepath.Ext(filePath)
			mime := mime.TypeByExtension(ext)

			log.Infof("mime type: %s %s", ext, mime)
			ctx.Set(fiber.HeaderContentType, mime)

			return ctx.SendFile(file)
		}
		return ctx.SendStatus(fiber.StatusNotFound)
	}
}