from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.label import Label
from kivy.uix.popup import Popup
from kivy.core.window import Window
from kivy.utils import platform
from kivy.core.text import LabelBase
import os
# 根据平台设置不同的文件选择器
if platform == 'android':
    from androidstorage4kivy import SharedStorage, Chooser
else:
    from kivy.uix.filechooser import FileChooserListView

class FileUploadApp(App):
    def build(self):
        # 尝试注册中文字体
        LabelBase.register('Roboto', './font/wqy-zenghei.ttc')
        self.title_font = 'Roboto'
        self.label_font = 'Roboto'
        # 然后在创建所有Label和Button时指定字体
        title_label = Label(
            text="文件上传工具", 
            font_name=self.title_font,
            font_size='24sp'
        )
        # 设置窗口背景色为浅灰色
        Window.clearcolor = (0.95, 0.95, 0.95, 1)
        
        # 主布局 - 垂直排列
        main_layout = BoxLayout(orientation='vertical', spacing=20, padding=40)
        
        # 标题
        title_label = Label(
            text="文件上传工具", 
            font_size='24sp', 
            size_hint=(1, 0.2),
            color=(0, 0, 0, 1)
        )
        
        # 文件上传按钮布局 - 水平排列
        file_buttons_layout = BoxLayout(orientation='horizontal', spacing=20, size_hint=(1, 0.3))
        
        # 第一个文件上传按钮
        self.file1_btn = Button(
            text="上传文件1", 
            background_color=(0.26, 0.53, 0.96, 1),
            size_hint=(0.5, 1),
            on_press=self.choose_file1
        )
        
        # 第二个文件上传按钮
        self.file2_btn = Button(
            text="上传文件2", 
            background_color=(0.26, 0.53, 0.96, 1),
            size_hint=(0.5, 1),
            on_press=self.choose_file2
        )
        
        file_buttons_layout.add_widget(self.file1_btn)
        file_buttons_layout.add_widget(self.file2_btn)
        
        # 文件信息显示标签
        self.file1_label = Label(
            text="未选择文件1", 
            size_hint=(1, 0.1),
            halign='left',
            color=(0.3, 0.3, 0.3, 1)
        )
        
        self.file2_label = Label(
            text="未选择文件2", 
            size_hint=(1, 0.1),
            halign='left',
            color=(0.3, 0.3, 0.3, 1)
        )
        
        # 生成按钮
        generate_btn = Button(
            text="开始生成", 
            background_color=(0.2, 0.8, 0.2, 1),
            size_hint=(1, 0.2),
            on_press=self.generate_files
        )
        
        # 将所有部件添加到主布局
        main_layout.add_widget(title_label)
        main_layout.add_widget(file_buttons_layout)
        main_layout.add_widget(self.file1_label)
        main_layout.add_widget(self.file2_label)
        main_layout.add_widget(Label(size_hint=(1, 0.1)))  # 空白间隔
        main_layout.add_widget(generate_btn)
        
        # 初始化文件路径
        self.file1_path = None
        self.file2_path = None
        
        return main_layout
    
    def choose_file1(self, instance):
        """选择第一个文件"""
        if platform == 'android':
            self.chooser = Chooser(self.chooser_callback1)
            self.chooser.choose_content("file/*")
        else:
            self.show_file_chooser(1)
    
    def choose_file2(self, instance):
        """选择第二个文件"""
        if platform == 'android':
            self.chooser = Chooser(self.chooser_callback2)
            self.chooser.choose_content("file/*")
        else:
            self.show_file_chooser(2)
    
    def chooser_callback1(self, shared_file_list):
        """Android上选择文件1的回调"""
        if shared_file_list:
            shared_file = shared_file_list[0]
            self.file1_path = shared_file
            self.file1_label.text = f"文件1: {shared_file}"
    
    def chooser_callback2(self, shared_file_list):
        """Android上选择文件2的回调"""
        if shared_file_list:
            shared_file = shared_file_list[0]
            self.file2_path = shared_file
            self.file2_label.text = f"文件2: {shared_file}"
    
    def show_file_chooser(self, file_num):
        """在非Android平台上显示文件选择器"""
        content = BoxLayout(orientation='vertical')
        file_chooser = FileChooserListView()
        select_btn = Button(text='选择', size_hint_y=None, height=50)
        
        popup = Popup(title=f"选择文件{file_num}", content=content, size_hint=(0.9, 0.9))
        
        def select_file(instance):
            if file_chooser.selection:
                file_path = file_chooser.selection[0]
                if file_num == 1:
                    self.file1_path = file_path
                    self.file1_label.text = f"文件1: {file_path}"
                else:
                    self.file2_path = file_path
                    self.file2_label.text = f"文件2: {file_path}"
                popup.dismiss()
        
        select_btn.bind(on_press=select_file)
        
        content.add_widget(file_chooser)
        content.add_widget(select_btn)
        popup.open()
    
    def generate_files(self, instance):
        """开始生成按钮的回调函数"""
        if not self.file1_path and not self.file2_path:
            self.show_message("错误", "请至少选择一个文件")
        elif not self.file1_path:
            self.show_message("提示", f"正在处理文件2: {self.file2_path}")
        elif not self.file2_path:
            self.show_message("提示", f"正在处理文件1: {self.file1_path}")
        else:
            self.show_message("成功", f"正在处理文件1和文件2\n{self.file1_path}\n{self.file2_path}")
    
    def show_message(self, title, message):
        """显示消息弹窗"""
        content = BoxLayout(orientation='vertical', spacing=10, padding=10)
        content.add_widget(Label(text=message))
        close_btn = Button(text="关闭", size_hint_y=None, height=50)
        popup = Popup(title=title, content=content, size_hint=(0.8, 0.5))
        close_btn.bind(on_press=popup.dismiss)
        content.add_widget(close_btn)
        popup.open()

if __name__ == '__main__':
    FileUploadApp().run()