package http_binding

import (
	"context"
	"errors"
	"git.sxidc.com/go-tools/api_binding/http_binding/binding_context"
	"git.sxidc.com/go-tools/api_binding/http_binding/middleware"
	"git.sxidc.com/service-supports/fslog"
	"github.com/gin-gonic/gin"
	"net/http"
	"time"
)

var (
	urlPrefix string
)

var serverInstance *http.Server
var routerInstance *gin.Engine

func Init(apiUrlPrefix string, port string) {
	urlPrefix = apiUrlPrefix

	routerInstance = gin.New()

	routerInstance.Use(fslog.GinLogger([]string{"/" + urlPrefix + "/api/version"}),
		fslog.GinRecovery(),
		func(c *gin.Context) { middleware.Cors()(&binding_context.Context{Context: c}) })

	serverInstance = &http.Server{
		Addr:    ":" + port,
		Handler: routerInstance,
	}

	go func() {
		if err := serverInstance.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
			panic(err)
		}
	}()
}

func Destroy() {
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	if err := serverInstance.Shutdown(ctx); err != nil {
		panic(err)
	}
}

func GetRouter() *gin.Engine {
	return routerInstance
}