import tkinter as tk
from PIL import Image, ImageTk
from tkinter import messagebox

# 预置内容，请勿改动
def check(month, day):   # 判断星座的函数
    if (month == 1 and day >= 20) or (month == 2 and day <= 18):
        return "水瓶座♒"
    elif (month == 2 and day >= 19) or (month == 3 and day <= 20):
        return "双鱼座♓"
    elif (month == 3 and day >= 21) or (month == 4 and day <= 19):
        return "白羊座♈"
    elif (month == 4 and day >= 20) or (month == 5 and day <= 20):
        return "金牛座♉"
    elif (month == 5 and day >= 21) or (month == 6 and day <= 21):
        return "双子座♊"
    elif (month == 6 and day >= 22) or (month == 7 and day <= 22):
        return "巨蟹座♋"
    elif (month == 7 and day >= 23) or (month == 8 and day <= 22):
        return "狮子座♌"
    elif (month == 8 and day >= 23) or (month == 9 and day <= 22):
        return "处女座♍"
    elif (month == 9 and day >= 23) or (month == 10 and day <= 23):
        return "天秤座♎"
    elif (month == 10 and day >= 24) or (month == 11 and day <= 22):
        return "天蝎座♏"
    elif (month == 11 and day >= 23) or (month == 12 and day <= 21):
        return "射手座♐"
    elif (month == 12 and day >= 22) or (month == 1 and day <= 19):
        return "摩羯座♑"

# 创建Tkinter窗口
root = tk.Tk()
root.geometry('320x360')
root.title("测测你的星座吧")

# 创建一个标签用于显示gif动画
label_bg = tk.Label(root)
label_bg.place(x=0, y=0, relwidth=1, relheight=1) #将标签放在窗口顶部并充斥整个窗口

# 加载gif图片并将每一帧存储在frames列表中
image = Image.open('星图.gif')  # 打开gif图片文件
frames = []  # 用于存储gif的所有帧
try:
    while True:
        frames.append(ImageTk.PhotoImage(image))   # 将每一帧添加到frames列表中
        image.seek(len(frames))  # 跳转到gif的下一帧
except EOFError:
    pass   # 当到达gif结束时，跳出循环

# 用于更新gif动画帧的函数
def upd(idx):
    frame = frames[idx] # 获取当前帧
    label_bg.configure(image=frame) # 更新标签中显示的帧
    idx = (idx + 1) % len(frames)  # 计算下一帧的索引
    root.after(100, upd, idx)  # 100毫秒后调用自己继续更新帧

upd(0) # 开始播放gif动画

# 创建标签和文本框
label_year = tk.Label(root, text="出生年：")
label_year.grid(row=0, column=0, padx=(60,10), pady=(140,10))

entry_year = tk.Entry(root)
entry_year.grid(row=0, column=1, pady=(140,10))

label_month = tk.Label(root, text="出生月：")
label_month.grid(row=1, column=0, padx=(60,10), pady=10)

entry_month = tk.Entry(root)
entry_month.grid(row=1, column=1, pady=10)

label_day = tk.Label(root, text="出生日：")
label_day.grid(row=2, column=0, padx=(60,10), pady=10)

entry_day = tk.Entry(root)
entry_day.grid(row=2, column=1, pady=10)

# 按钮点击处理函数
# 点击提交按钮时调用，它获取用户输入的出生年月日，验证输入有效性，并显示对应的星座信息
def click():
    year = entry_year.get() # 获取用户输入的出生年份
    month = entry_month.get()  # 获取用户输入的出生月份
    day = entry_day.get()  # 获取用户输入的出生日
    
    # 检查用户输入的年、月、日是否为有效的数字
    if not year.isdigit() or not month.isdigit() or not day.isdigit():
        messagebox.showerror("输入错误", "请输入有效的日期")
    
    month = int(month) # 将月份转换为整数
    day = int(day)  # 将日期转换为整数

    # 检查日期是否在有效范围内
    if month < 1 or month > 12 or day < 1 or day > 31:
        messagebox.showerror("输入错误", "请输入有效的日期")
    
    result = check(month, day) # 调用check函数获取星座信息
    messagebox.showinfo("星座", f"你的星座是：{result}")  # 显示用户的星座信息

# 创建提交按钮
btn = tk.Button(root, text="提交", command=click)
btn.grid(row=3, columnspan=2, padx=(80,10), pady=10)

# 运行Tkinter主循环
root.mainloop()