package routes

import (
	"fmt"
	"io/ioutil"
	"path"
	"regexp"
	"time"

	"git.trj.tw/golang/go-file-serve/module/config"
	"git.trj.tw/golang/go-file-serve/module/context"
)

type responseFS struct {
	Name  string    `json:"name"`
	Path  string    `json:"path"`
	Size  int64     `json:"size"`
	Mtime time.Time `json:"mtime"`
}

// FSList -
func FSList(c *context.Context) {
	p := c.Param("path")
	conf := config.GetConf()
	basePath := conf.FilePath
	_ = basePath
	regex := regexp.MustCompile("^/")

	p = regex.ReplaceAllString(p, "")
	regex = regexp.MustCompile("\\.\\./")
	p = regex.ReplaceAllString(p, "/")

	fullPath := path.Join(basePath, p)

	info, err := ioutil.ReadDir(fullPath)
	if err != nil {
		c.ServerError()
		return
	}

	dirs := make([]responseFS, 0)
	files := make([]responseFS, 0)

	for _, v := range info {
		f := responseFS{
			Name:  v.Name(),
			Path:  path.Join(p, v.Name()),
			Size:  v.Size(),
			Mtime: v.ModTime(),
		}
		if v.IsDir() {
			f.Name += "/"
			dirs = append(dirs, f)
		} else {
			files = append(files, f)
		}
	}

	list := make([]responseFS, 0, len(dirs)+len(files))
	list = append(list, dirs...)
	list = append(list, files...)
	dirs = nil
	files = nil

	c.HTML("list.tmpl", map[string]interface{}{
		"title": fmt.Sprintf("Path: /%s", p),
		"path":  fmt.Sprintf("/%s", p),
		"list":  list,
	})
	// c.Success(map[string]interface{}{
	//   "directory": dirs,
	//   "file":      files,
	// })
}