import tkinter as tk
import os
import platform
import webbrowser
from tkinter import ttk
from components import *


class Page1:
    def __init__(self, root, top_options, bottom_options):
        self.root = root
        self.top_options = top_options
        self.bottom_options = bottom_options

        # ========== 顶部复选框区域 ==========
        self.top_frame = tk.Frame(self.root, bg=BG_COLOR, pady=25)
        self.top_frame.pack(side=tk.TOP, fill=tk.X)

        self.top_vars = []
        for option in top_options:
            var = tk.BooleanVar(value=True)
            chk = ttk.Checkbutton(self.top_frame, text=option, variable=var, style="Custom.TCheckbutton")
            chk.pack(side=tk.LEFT, padx=20)
            self.top_vars.append(var)

        # ========== 分割线 ==========
        separator = tk.Frame(self.root, height=1, bg="black")
        separator.pack(side=tk.TOP, fill=tk.X, padx=20)

        # ========== 底部复选框区域 ==========
        self.bottom_frame = tk.Frame(self.root, bg=BG_COLOR, pady=25)
        self.bottom_frame.pack(side=tk.TOP, fill=tk.X)

        self.bottom_vars = []
        for option in bottom_options:
            var = tk.BooleanVar(value=False)
            chk = ttk.Checkbutton(self.bottom_frame, text=option, variable=var, style="Custom.TCheckbutton")
            chk.pack(side=tk.LEFT, padx=20)
            self.bottom_vars.append(var)

        # ========== 说明文本区域 ==========
        text_frame = tk.Frame(self.root, bg=BG_COLOR)
        text_frame.pack(side=tk.TOP, padx=40, pady=10, fill=tk.X)

        text_widget = tk.Text(
            text_frame,
            height=6,
            width=60,
            wrap=tk.WORD,
            bg=BG_COLOR,
            fg=FG_COLOR,
            relief=tk.FLAT,
            borderwidth=0,
            font=(FONT_FAMILY, 12),
            padx=10,
            pady=10
        )
        text_widget.pack(expand=True, fill=tk.X)
        text_widget.insert(tk.END, instructions)
        text_widget.config(state=tk.DISABLED)

        # just for fun
        url = "https://v.zikai.wang/zikai/cyzg"
        start_pos = instructions.find(url)
        if start_pos != -1:
            start_index = f"1.0 + {start_pos} chars"
            end_index = f"{start_index} + {len(url)} chars"

            # 创建一个超链接标签
            text_widget.tag_add("link", start_index, end_index)
            text_widget.tag_config("link",
                                   foreground="blue",
                                   underline=True,
                                   font=(FONT_FAMILY, 12, "underline"))

            # 定义点击事件
            def open_link(event):
                try:
                    webbrowser.open(url)
                except Exception as e:
                    print(e)

                try:
                    os_name = platform.system()

                    if os_name == "Windows":
                        os.system(f'echo {url} | clip')
                    elif os_name == "Darwin":
                        os.system(f'echo "{url}" | pbcopy')
                    else:
                        os.system(f'echo "{url}" | xclip -selection clipboard')
                except Exception as e:
                    print(e)

            def on_enter(event):
                text_widget.config(cursor="hand2")

            def on_leave(event):
                text_widget.config(cursor="")

            # 绑定事件
            text_widget.tag_bind("link", "<Button-1>", open_link)  # 左键点击
            text_widget.tag_bind("link", "<Enter>", on_enter)  # 鼠标进入
            text_widget.tag_bind("link", "<Leave>", on_leave)  # 鼠标离开

    def top_selected(self):
        """返回第一行中被选中的项"""
        return [opt for opt, var in zip(self.top_options, self.top_vars) if var.get()]

    def bottom_selected(self):
        """返回第二行中被选中的项"""
        return [opt for opt, var in zip(self.bottom_options, self.bottom_vars) if var.get()]


if __name__ == "__main__":
    top_options = ["1", "2", "3", "4"]
    bottom_options = ["未做过的题", "错过的题", ]

    root = tk.Tk()
    app = Page1(root, top_options, bottom_options)

    # 按钮区域
    button_frame = tk.Frame(root)
    button_frame.pack(side=tk.TOP, pady=20)

    # 打印上一行选中项的按钮
    btn_print_top = tk.Button(
        button_frame,
        text="1",
        command=lambda: print(app.top_selected()),
        font=("Helvetica", 14),
        bg="lightblue",
        width=20
    )
    btn_print_top.pack(side=tk.LEFT, padx=10)

    # 打印下一行选中项的按钮
    btn_print_bottom = tk.Button(
        button_frame,
        text="2",
        command=lambda: print(app.bottom_selected()),
        font=("Helvetica", 14),
        bg="lightgreen",
        width=20
    )
    btn_print_bottom.pack(side=tk.LEFT, padx=10)

    root.mainloop()