package web

import (
	"io"
	// "log"
	"net/http"
	"os"
	"encoding/json"
	"path"
	"html/template"
)

const (
	// uploadFileKey 上传控件名
	uploadFileKey = "file1"
	// 文件另存为位置
	saveasPath = "./static/ios.ipa"
)

// Update 更新 ipa 文件网页
func Update(w http.ResponseWriter, r *http.Request) {
	t, _ := template.ParseFiles("./views/update.html")
	viewdata := map[string]interface{}{}
	t.Execute(w, viewdata)
}

func UploadHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("content-type","text/json")
	jsonresult := map[string]interface{}{}

	// 接受文件
	file, header, err := r.FormFile(uploadFileKey)
	if err != nil {
		jsonresult["flag"] = false
		jsonresult["msg"] = err.Error()
		result, _ := json.Marshal(jsonresult)
		w.Write(result)
		return
	}

	extensionName := path.Ext(header.Filename)
	if extensionName != ".ipa" {
		jsonresult["flag"] = false
		jsonresult["msg"] = "仅能上传 .ipa 文件"
		result, _ := json.Marshal(jsonresult)
		w.Write(result)
		return
	}

	// 新建文件
	dst, err := os.Create(saveasPath)
	if err != nil {
		jsonresult["flag"] = false
		jsonresult["msg"] = err.Error()
		result, _ := json.Marshal(jsonresult)
		w.Write(result)
		return
	}
	_, err = io.Copy(dst, file)
	if err != nil {
		jsonresult["flag"] = false
		jsonresult["msg"] = err.Error()
		result, _ := json.Marshal(jsonresult)
		w.Write(result)
		return
	}


	jsonresult["flag"] = true
	jsonresult["msg"] = "上传成功"
	result, _ := json.Marshal(jsonresult)
	w.Write(result)
	return
}