#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
启动画面 - 使用customtkinter实现，带淡入淡出动画
"""
import customtkinter as ctk


class SplashScreen(ctk.CTkToplevel):
    """启动画面 - 扁平化设计，带动画特效"""
    
    def __init__(self, parent):
        super().__init__(parent)
        
        # 无边框窗口
        self.overrideredirect(True)
        
        # 窗口大小和位置（更扁平）
        width = 500
        height = 160
        screen_width = self.winfo_screenwidth()
        screen_height = self.winfo_screenheight()
        x = (screen_width - width) // 2
        y = (screen_height - height) // 2
        self.geometry(f"{width}x{height}+{x}+{y}")
        
        # 背景色 - 深色
        bg_color = "#0d1117"
        border_color = "#58a6ff"
        
        # 设置窗口背景为边框颜色，创造边框效果
        self.configure(fg_color=border_color)
        
        # 主框架（带圆角，通过padding创造边框效果）
        main_frame = ctk.CTkFrame(
            self, 
            fg_color=bg_color,
            corner_radius=10
        )
        # 增大padding，让圆角更明显
        main_frame.pack(expand=True, fill="both", padx=2.5, pady=2.5)
        
        # 内容容器
        content_frame = ctk.CTkFrame(main_frame, fg_color="transparent")
        content_frame.pack(expand=True, fill="both", padx=20, pady=15)
        
        # 标题 - 使用更酷的字体和渐变色效果
        title_frame = ctk.CTkFrame(content_frame, fg_color="transparent")
        title_frame.pack(pady=(10, 5))
        
        self.title_label = ctk.CTkLabel(
            title_frame,
            text="⚡ NEXUS LAUNCHER",
            font=ctk.CTkFont(size=32, weight="bold", family="Consolas"),
            text_color="#58a6ff"
        )
        self.title_label.pack()
        
        # 副标题 - 科技感
        self.subtitle_label = ctk.CTkLabel(
            content_frame,
            text="[ INITIALIZING SYSTEM ]",
            font=ctk.CTkFont(size=11, family="Consolas"),
            text_color="#8b949e"
        )
        self.subtitle_label.pack(pady=(0, 15))
        
        # 进度条容器
        progress_container = ctk.CTkFrame(content_frame, fg_color="transparent")
        progress_container.pack(fill="x", pady=(0, 10))
        
        # 进度条 - 更粗，带发光效果
        self.progress = ctk.CTkProgressBar(
            progress_container,
            width=440,
            height=12,
            mode='indeterminate',
            progress_color="#58a6ff",
            fg_color="#161b22",
            border_width=0,
            corner_radius=6
        )
        self.progress.pack()
        self.progress.start()
        
        # 状态文本 - 动画效果
        self.status_label = ctk.CTkLabel(
            content_frame,
            text="Loading modules...",
            font=ctk.CTkFont(size=9, family="Consolas"),
            text_color="#6e7681"
        )
        self.status_label.pack()
        
        # 置顶
        self.attributes('-topmost', True)
        
        # 初始透明度动画
        self.alpha = 0.0
        self.attributes('-alpha', self.alpha)
        self._fade_in()
        
        self.update()
        
    def _fade_in(self):
        """淡入动画"""
        if self.alpha < 1.0:
            self.alpha += 0.1
            self.attributes('-alpha', self.alpha)
            self.after(20, self._fade_in)
        
    def _fade_out(self, callback):
        """淡出动画"""
        if self.alpha > 0.0:
            self.alpha -= 0.15
            self.attributes('-alpha', self.alpha)
            self.after(20, lambda: self._fade_out(callback))
        else:
            callback()
    
    def update_status(self, message):
        """更新状态信息"""
        try:
            self.status_label.configure(text=message)
            self.update()
        except:
            pass
        
    def close(self):
        """关闭启动画面（带淡出动画）"""
        try:
            self.progress.stop()
            self._fade_out(self.destroy)
        except:
            try:
                self.destroy()
            except:
                pass