# 导入模块
from asyncio.windows_events import NULL
from cgi import test
from copyreg import add_extension
from re import I
from tkinter import *
from turtle import end_fill
import requests
import jsonpath
import os
from urllib.request import urlretrieve
# 2.功能实现
"""
    1.url
    2.模拟浏览器请求
    3.解析网页源代码
    4.保存数据
"""
ae = 0
title = []
author = []
url = []

def song_download(url,title,author):
    # 创建文件夹
    os.makedirs("music",exist_ok=True)
    print("{}".format(title))
    path = 'music\{}.mp3'.format(title)
    
    text.delete(0,END)    
    text.insert(END,'歌曲:{0}-{1},正在下载...'.format(title,author))
    # 文本框滑动
    text.see(END)
    # 更新
    text.update()
    # 下载
    urlretrieve(url,path)

    if os.path.exists(path):
        text.insert(END,'下载完毕,{0}-{1},请试听'.format(title,author))
    else:
        text.insert(END,'下载失败')
    # 文本框滑动
    text.see(END)
    # 更新
    text.update()
def get_music_name():
    """
    搜索歌曲名称
    :return:
    """
    global title 
    global author 
    global url
    name = entry.get()
    platfrom = var.get()
    # name = '白月光与朱砂痣'
    url = 'https://music.liuzhijin.cn/'
    headers = {
        "user-agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36",
        # 判断请求是异步还是同步
        "x-requested-with":"XMLHttpRequest",
    }
    param = {
        "input":name,
        "filter":"name",
        "type":platfrom,
        "page": 1,
    }
    res = requests.post(url=url,data=param,headers=headers)
    json_text = res.json()
    
    title = jsonpath.jsonpath(json_text,'$..title')
    author = jsonpath.jsonpath(json_text,'$..author')
    url = jsonpath.jsonpath(json_text, '$..url')
    text.delete(0,END)   
    if title:
        songs = list(zip(title,author,url))
        i = 0
        for s in songs:	
            b = str(i)+	':{0}-{1}'.format(s[0],s[1])	
            text.insert(END,b)
            
            i = i+1
            print(s[0],s[1],s[2])
        print("-------------------------------------------------------")
    #print(title,author,url)
   
def song_version():
    ad = int(entrya.get())
    global ae
    ae = ad 
    song_download(url[ae],title[ae],author[ae])
    ae = 0
   

# 1.用户界面
# 创建画板
root = Tk()
# 设置窗口标题
root.title('全网音乐下载器')
# 设置窗口大小以及出现的位置
root.geometry('560x550+400+200')
# 标签组件

label = Label(root,text="请输入下载的歌曲:",font=('楷体',20))
# 定位与布局
label.grid(row=0)


# 输入框组件
entry = Entry(root,font=('宋体',20))
entry.grid(row=0,column=1)
# 单选按钮
var = StringVar()
r1 = Radiobutton(root,text='网易云',variable=var,value='netease')
r1.grid(row=1,column=0)
r2 = Radiobutton(root,text='QQ',variable=var,value='qq')
r2.grid(row=1,column=1)
# 列表框
text = Listbox(root,font=('楷体',16),width=50,height=15)
text.grid(row=2,columnspan=2)
# 下载按钮
button1 = Button(root,text='搜索歌曲',font=('楷体',15),command=get_music_name)
button1.grid(row=3,column=0)
button2 = Button(root,text='退出程序',font=('楷体',15),command=root.quit)
button2.grid(row=3,column=1)
labela = Label(root,text="请输入要下载的版本",font=('楷体',20))
labela.place(relx=0,y=460,relheight=0.1,width=250)
entrya = Entry(root,font=('宋体',20))
entrya.place(relx=0.5,y=460,relheight=0.1,width=100)
button3 = Button(root,text='确定',font=('楷体',15),command=song_version)
button3.place(relx=0.7,y=460,relheight=0.1,width=100)


# 显示界面
root.mainloop()

# 如何将.py代码打包成.exe文件