import 'package:flutter/material.dart';

class ThemeColor {
  final String name;
  final Color primaryColor;
  final MaterialColor materialColor;

  ThemeColor({
    required this.name,
    required this.primaryColor,
    required this.materialColor,
  });
}

class AppProvider with ChangeNotifier {
  int _currentTab = 0;
  bool _isDarkMode = false;
  ThemeColor _currentTheme = _defaultThemes[0];

  // 预定义主题色
  static final List<ThemeColor> _defaultThemes = [
    ThemeColor(
      name: '科技蓝',
      primaryColor: Color(0xFF2563EB),
      materialColor: MaterialColor(0xFF2563EB, {
        50: Color(0xFFDBEAFE),
        100: Color(0xFFBFDBFE),
        200: Color(0xFF93C5FD),
        300: Color(0xFF60A5FA),
        400: Color(0xFF3B82F6),
        500: Color(0xFF2563EB),
        600: Color(0xFF1D4ED8),
        700: Color(0xFF1E40AF),
        800: Color(0xFF1E3A8A),
        900: Color(0xFF1E3A8A),
      }),
    ),
    ThemeColor(
      name: '翡翠绿',
      primaryColor: Color(0xFF10B981),
      materialColor: MaterialColor(0xFF10B981, {
        50: Color(0xFFECFDF5),
        100: Color(0xFFD1FAE5),
        200: Color(0xFFA7F3D0),
        300: Color(0xFF6EE7B7),
        400: Color(0xFF34D399),
        500: Color(0xFF10B981),
        600: Color(0xFF059669),
        700: Color(0xFF047857),
        800: Color(0xFF065F46),
        900: Color(0xFF064E3B),
      }),
    ),
    ThemeColor(
      name: '活力橙',
      primaryColor: Color(0xFFF59E0B),
      materialColor: MaterialColor(0xFFF59E0B, {
        50: Color(0xFFFFFBEB),
        100: Color(0xFFFEF3C7),
        200: Color(0xFFFDE68A),
        300: Color(0xFFFCD34D),
        400: Color(0xFFFBBF24),
        500: Color(0xFFF59E0B),
        600: Color(0xFFD97706),
        700: Color(0xFFB45309),
        800: Color(0xFF92400E),
        900: Color(0xFF78350F),
      }),
    ),
    ThemeColor(
      name: '梦幻紫',
      primaryColor: Color(0xFF8B5CF6),
      materialColor: MaterialColor(0xFF8B5CF6, {
        50: Color(0xFFF5F3FF),
        100: Color(0xFFEDE9FE),
        200: Color(0xFFDDD6FE),
        300: Color(0xFFC4B5FD),
        400: Color(0xFFA78BFA),
        500: Color(0xFF8B5CF6),
        600: Color(0xFF7C3AED),
        700: Color(0xFF6D28D9),
        800: Color(0xFF5B21B6),
        900: Color(0xFF4C1D95),
      }),
    ),
    ThemeColor(
      name: '浪漫粉',
      primaryColor: Color(0xFFEC4899),
      materialColor: MaterialColor(0xFFEC4899, {
        50: Color(0xFFFDF2F8),
        100: Color(0xFFFCE7F3),
        200: Color(0xFFFBCFE8),
        300: Color(0xFFF9A8D4),
        400: Color(0xFFF472B6),
        500: Color(0xFFEC4899),
        600: Color(0xFFDB2777),
        700: Color(0xFFBE185D),
        800: Color(0xFF9D174D),
        900: Color(0xFF831843),
      }),
    ),
    ThemeColor(
      name: '清新青',
      primaryColor: Color(0xFF06B6D4),
      materialColor: MaterialColor(0xFF06B6D4, {
        50: Color(0xFFF0FDFA),
        100: Color(0xFFCCFBF1),
        200: Color(0xFF99F6E4),
        300: Color(0xFF5EEAD4),
        400: Color(0xFF2DD4BF),
        500: Color(0xFF06B6D4),
        600: Color(0xFF0891B2),
        700: Color(0xFF0E7490),
        800: Color(0xFF155E75),
        900: Color(0xFF164E63),
      }),
    ),
    ThemeColor(
      name: '深空蓝',
      primaryColor: Color(0xFF1E40AF),
      materialColor: MaterialColor(0xFF1E40AF, {
        50: Color(0xFFEFF6FF),
        100: Color(0xFFDBEAFE),
        200: Color(0xFFBFDBFE),
        300: Color(0xFF93C5FD),
        400: Color(0xFF60A5FA),
        500: Color(0xFF3B82F6),
        600: Color(0xFF2563EB),
        700: Color(0xFF1D4ED8),
        800: Color(0xFF1E40AF),
        900: Color(0xFF1E3A8A),
      }),
    ),
    ThemeColor(
      name: '落日红',
      primaryColor: Color(0xFFEF4444),
      materialColor: MaterialColor(0xFFEF4444, {
        50: Color(0xFFFEF2F2),
        100: Color(0xFFFEE2E2),
        200: Color(0xFFFECACA),
        300: Color(0xFFFCA5A5),
        400: Color(0xFFF87171),
        500: Color(0xFFEF4444),
        600: Color(0xFFDC2626),
        700: Color(0xFFB91C1C),
        800: Color(0xFF991B1B),
        900: Color(0xFF7F1D1D),
      }),
    ),
  ];

  int get currentTab => _currentTab;

  bool get isDarkMode => _isDarkMode;

  ThemeColor get currentTheme => _currentTheme;

  List<ThemeColor> get availableThemes => _defaultThemes;

  void changeTab(int index) {
    _currentTab = index;
    notifyListeners();
  }

  // 切换明暗模式
  void toggleDarkMode(bool value) {
    _isDarkMode = value;
    notifyListeners();
  }

  // 更改主题色
  void changeTheme(ThemeColor theme) {
    _currentTheme = theme;
    notifyListeners();
  }

  ThemeData get currentThemeData {
    return ThemeData(
      primarySwatch: _currentTheme.materialColor,
      colorScheme: ColorScheme.fromSeed(
        seedColor: _currentTheme.primaryColor,
        brightness: _isDarkMode ? Brightness.dark : Brightness.light,
      ),
      useMaterial3: true,
      fontFamily: 'CustomFont',
    );
  }
}