package routes

import (
	"html/template"
	"io/ioutil"
	"log"
	"net/http"
	"path"
	"regexp"

	"git.trj.tw/golang/go-file-serve/module/context"
	"git.trj.tw/golang/go-file-serve/routes/api"
	"github.com/gin-gonic/gin"
)

// NewEngine -
func NewEngine() *gin.Engine {
	engine := gin.New()
	engine.Use(gin.Logger())
	engine.Use(gin.Recovery())

	return engine
}

// SetRoutes -
func SetRoutes(r *gin.Engine) {

	r.SetFuncMap(template.FuncMap{
		"parsePath": func(p string) string {
			regex := regexp.MustCompile("^/")
			p = regex.ReplaceAllString(p, "")
			regex = regexp.MustCompile("/$")
			p = regex.ReplaceAllString(p, "")
			return p
		},
	})

	tmpls := make([]string, 0)
	files, err := ioutil.ReadDir("./templates")
	if err != nil {
		log.Fatal(err)
	}
	for _, v := range files {
		if !v.IsDir() {
			tmpls = append(tmpls, path.Join("./templates", v.Name()))
		}
	}
	r.LoadHTMLFiles(tmpls...)
	r.GET("/", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{
			"message": "success",
		})
	})

	r.GET("/html", func(c *gin.Context) {
		c.HTML(200, "content.tmpl", gin.H{"title": "test title"})
	})

	apiGroup := r.Group("/api")
	{
		apiGroup.GET("/files", context.PatchContext(api.GetFileList))
	}

	viewGroup := r.Group("/v")
	{
		viewGroup.GET("*path", context.PatchContext(FSList))
	}
	dlGroup := r.Group("/dl")
	{
		dlGroup.GET("*path", func(c *gin.Context) {
			c.JSON(200, gin.H{})
		})
	}
}