#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
主题配置模型
"""

from dataclasses import dataclass, field
from typing import Tuple, Dict, List
from pathlib import Path


def hex_to_rgb(hex_color: str) -> Tuple[int, int, int]:
    """十六进制颜色转 RGB"""
    hex_color = hex_color.lstrip('#')
    return tuple(int(hex_color[i:i+2], 16) for i in (0, 2, 4))


@dataclass
class Theme:
    """
    主题配置模型
    
    Attributes:
        name: 主题名称
        primary: 主色 (hex)
        secondary: 次要色 (hex)
        accent: 强调色 (hex)
        text: 浅色文字 (hex)
        text_dark: 深色文字 (hex)
        gradient: 渐变色 [起始色, 结束色]
    """
    name: str
    primary: str
    secondary: str
    accent: str
    text: str = "#FFFFFF"
    text_dark: str = "#333333"
    gradient: List[str] = field(default_factory=lambda: ["#FFFFFF", "#EEEEEE"])
    
    @property
    def primary_rgb(self) -> Tuple[int, int, int]:
        return hex_to_rgb(self.primary)
    
    @property
    def secondary_rgb(self) -> Tuple[int, int, int]:
        return hex_to_rgb(self.secondary)
    
    @property
    def accent_rgb(self) -> Tuple[int, int, int]:
        return hex_to_rgb(self.accent)
    
    @property
    def text_rgb(self) -> Tuple[int, int, int]:
        return hex_to_rgb(self.text)
    
    @property
    def text_dark_rgb(self) -> Tuple[int, int, int]:
        return hex_to_rgb(self.text_dark)
    
    @property
    def gradient_rgb(self) -> List[Tuple[int, int, int]]:
        return [hex_to_rgb(c) for c in self.gradient]


# 预定义主题 - 小红书风格
THEMES: Dict[str, Theme] = {
    "ocean": Theme(
        name="深青海洋",
        primary="#4A8B8B",
        secondary="#E8F4F4",
        accent="#E8956C",
        text="#FFFFFF",
        text_dark="#2D5555",
        gradient=["#8BC4C4", "#4A8B8B"],
    ),
    "sunset": Theme(
        name="日落暖橙",
        primary="#D66853",
        secondary="#FFF5E6",
        accent="#6BA08A",
        text="#FFFFFF",
        text_dark="#4A3328",
        gradient=["#F5D5A8", "#D66853"],
    ),
    "peach": Theme(
        name="蜜桃粉",
        primary="#D4918A",
        secondary="#FFF8F5",
        accent="#B85A54",
        text="#FFFFFF",
        text_dark="#5A3D3D",
        gradient=["#F8D8D4", "#D4918A"],
    ),
    "mint": Theme(
        name="薄荷绿",
        primary="#6A9B88",
        secondary="#F0F8F4",
        accent="#D4A05A",
        text="#FFFFFF",
        text_dark="#3A5548",
        gradient=["#B8D8C8", "#6A9B88"],
    ),
    "latte": Theme(
        name="拿铁咖啡",
        primary="#8B7355",
        secondary="#FAF6F0",
        accent="#B8956A",
        text="#FFFFFF",
        text_dark="#4A3D30",
        gradient=["#D8C8B0", "#8B7355"],
    ),
}


def get_theme(name: str) -> Theme:
    """获取主题，如果不存在则返回默认主题"""
    return THEMES.get(name, THEMES["ocean"])