import 'package:flutter/material.dart';
import 'package:miaoji_zhang/shared/widgets/app_icons.dart';

class CategoryColorMeta {
  final String key;
  final String label;
  final Color background;
  final Color foreground;

  const CategoryColorMeta({
    required this.key,
    required this.label,
    required this.background,
    required this.foreground,
  });
}

const categoryColorCatalog = <CategoryColorMeta>[
  CategoryColorMeta(
    key: 'mint',
    label: '薄荷',
    background: Color(0xFFE3F7F0),
    foreground: Color(0xFF008E69),
  ),
  CategoryColorMeta(
    key: 'teal',
    label: '青绿',
    background: Color(0xFFE1F3F1),
    foreground: Color(0xFF087F72),
  ),
  CategoryColorMeta(
    key: 'aqua',
    label: '水绿',
    background: Color(0xFFE4F6F5),
    foreground: Color(0xFF168C87),
  ),
  CategoryColorMeta(
    key: 'cyan',
    label: '青蓝',
    background: Color(0xFFE3F4F7),
    foreground: Color(0xFF187F91),
  ),
  CategoryColorMeta(
    key: 'sky',
    label: '天蓝',
    background: Color(0xFFE7F2FA),
    foreground: Color(0xFF327EAD),
  ),
  CategoryColorMeta(
    key: 'blue',
    label: '蓝色',
    background: Color(0xFFE8EFFB),
    foreground: Color(0xFF416FAE),
  ),
  CategoryColorMeta(
    key: 'navy',
    label: '海军蓝',
    background: Color(0xFFE8ECF3),
    foreground: Color(0xFF425A7B),
  ),
  CategoryColorMeta(
    key: 'indigo',
    label: '靛蓝',
    background: Color(0xFFEBEDFA),
    foreground: Color(0xFF5864B1),
  ),
  CategoryColorMeta(
    key: 'violet',
    label: '紫罗兰',
    background: Color(0xFFF0EBF8),
    foreground: Color(0xFF7656A8),
  ),
  CategoryColorMeta(
    key: 'plum',
    label: '梅紫',
    background: Color(0xFFF5EAF2),
    foreground: Color(0xFF94547E),
  ),
  CategoryColorMeta(
    key: 'orchid',
    label: '兰紫',
    background: Color(0xFFF6EAF4),
    foreground: Color(0xFFA45291),
  ),
  CategoryColorMeta(
    key: 'rose',
    label: '玫瑰',
    background: Color(0xFFF9E9EE),
    foreground: Color(0xFFB94E6B),
  ),
  CategoryColorMeta(
    key: 'coral',
    label: '珊瑚',
    background: Color(0xFFFBEAE6),
    foreground: Color(0xFFC45B49),
  ),
  CategoryColorMeta(
    key: 'red',
    label: '朱红',
    background: Color(0xFFFBE9E8),
    foreground: Color(0xFFC4473F),
  ),
  CategoryColorMeta(
    key: 'orange',
    label: '橙色',
    background: Color(0xFFFCEDE2),
    foreground: Color(0xFFBE681F),
  ),
  CategoryColorMeta(
    key: 'amber',
    label: '琥珀',
    background: Color(0xFFFAF0DB),
    foreground: Color(0xFFA66B0E),
  ),
  CategoryColorMeta(
    key: 'peach',
    label: '桃色',
    background: Color(0xFFFBEDE6),
    foreground: Color(0xFFB96B45),
  ),
  CategoryColorMeta(
    key: 'sand',
    label: '沙金',
    background: Color(0xFFF5F0E4),
    foreground: Color(0xFF8C7442),
  ),
  CategoryColorMeta(
    key: 'lime',
    label: '青柠',
    background: Color(0xFFF0F5E2),
    foreground: Color(0xFF71852D),
  ),
  CategoryColorMeta(
    key: 'olive',
    label: '橄榄',
    background: Color(0xFFEEF0E3),
    foreground: Color(0xFF68723C),
  ),
  CategoryColorMeta(
    key: 'forest',
    label: '森林',
    background: Color(0xFFE6F1E9),
    foreground: Color(0xFF39764A),
  ),
  CategoryColorMeta(
    key: 'slate',
    label: '石板',
    background: Color(0xFFEBEFF0),
    foreground: Color(0xFF5F7074),
  ),
  CategoryColorMeta(
    key: 'cocoa',
    label: '可可',
    background: Color(0xFFF1ECE8),
    foreground: Color(0xFF796154),
  ),
  CategoryColorMeta(
    key: 'graphite',
    label: '石墨',
    background: Color(0xFFEDEEEE),
    foreground: Color(0xFF5D6261),
  ),
];

CategoryColorMeta categoryColorMeta(String? key) =>
    categoryColorCatalog.firstWhere(
      (item) => item.key == key,
      orElse: () => categoryColorCatalog.first,
    );

(Color bg, Color fg) categoryColors(String? colorKey) {
  final meta = categoryColorMeta(colorKey);
  return (meta.background, meta.foreground);
}

class CategoryIconBox extends StatelessWidget {
  final String iconKey;
  final String? colorKey;
  final double size;

  const CategoryIconBox({
    super.key,
    required this.iconKey,
    this.colorKey,
    this.size = 36,
  });

  @override
  Widget build(BuildContext context) {
    final (bg, fg) = categoryColors(colorKey);
    return Container(
      width: size,
      height: size,
      decoration: BoxDecoration(
        color: bg,
        borderRadius: BorderRadius.circular(size * 0.3),
      ),
      child: Center(
        child: AppIcons.byKey(iconKey, size: size * 0.5, color: fg),
      ),
    );
  }
}

Widget categoryIconSvg(
  String key, {
  double size = 24,
  Color? color,
  String? colorKey,
}) {
  final (_, fg) = categoryColors(colorKey);
  return AppIcons.byKey(key, size: size, color: color ?? fg);
}