package handler

import (
	"fssc/config"
	"fssc/internal/util"
	"fssc/web"
	"html/template"
	"net/http"
	"os"
	"path/filepath"
	"strings"
)

// web 控制台
func WebConsole(w http.ResponseWriter, r *http.Request) {
	urlpath := r.URL.Query().Get("p")
	upath := strings.TrimSuffix(urlpath, "console")

	// serve download page for send
	realFilePath := filepath.Join(config.G.FilePath, upath)
	downloadPath := filepath.Join(filepath.Base(config.G.FilePath), r.URL.Path[1:])
	fileInfo, err := os.Stat(realFilePath)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	data := struct {
		DeviceName   string
		Loip         string
		Rundir       string
		IsDir        bool
		FileName     string
		DownloadPath string
		UrlPath      string
		Files        []os.DirEntry
	}{
		DeviceName:   config.G.DeviceName,
		Loip:         config.G.LocalIP,
		Rundir:       config.G.FilePath,
		DownloadPath: downloadPath,
		UrlPath:      strings.TrimSuffix(r.URL.Path, "/"),
		// UrlPath:      r.URL.Path,
	}

	if fileInfo.IsDir() {
		data.IsDir = true
		// 遍历目录
		files, err := os.ReadDir(realFilePath)
		if err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
		data.Files = files
	} else {
		data.FileName = filepath.Base(realFilePath)
	}
	// add self template function
	fmap := template.FuncMap{"b64en": util.Bas64end}
	// 文件列表模板
	tmpl, err := template.New("console").Funcs(fmap).Parse(web.WbConsole)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}
	err = tmpl.Execute(w, data)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
	}

}