import type { DebugPublishMeta } from '../../utils/debugPublish';
import { inferGradeFromAge } from '../../utils/debugPublish';

interface MathDrawDefinition {
    id: string;
    title: string;
    subtitle: string;
    ageMin: number;
    ageMax: number;
    difficulty: 1 | 2 | 3 | 4;
    tags: string[];
    sortOrder: number;
}

const MATH_DRAW_DEFINITIONS = [
    {
        id: 'number-find',
        title: '找数字，涂一涂',
        subtitle: '在数字方阵中找出目标数字并涂色',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '数字认知', '涂色'],
        sortOrder: 101,
    },
    {
        id: 'number-write',
        title: '看数字，写一写',
        subtitle: '按笔画顺序练习书写数字',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '数字书写', '描红'],
        sortOrder: 102,
    },
    {
        id: 'number-coloring',
        title: '按数字，涂颜色',
        subtitle: '按指定数字给对应圆圈涂色',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '数字认知', '涂色'],
        sortOrder: 103,
    },
    {
        id: 'counting-matching',
        title: '数一数，连一连',
        subtitle: '连线配对数字和对应数量图形',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '计数', '连线'],
        sortOrder: 104,
    },
    {
        id: 'number-object-match',
        title: '数物连线',
        subtitle: '连线相同数量的物品和数字',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '数物对应', '连线'],
        sortOrder: 105,
    },
    {
        id: 'number-object-fill',
        title: '数物填写',
        subtitle: '数物品数量，填写对应数字',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '数物对应', '填写'],
        sortOrder: 106,
    },
    {
        id: 'counting-select',
        title: '数一数，选一选',
        subtitle: '数出物品数量，圈出正确答案',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '计数', '选择'],
        sortOrder: 107,
    },
    {
        id: 'counting-fill',
        title: '数一数，填一填',
        subtitle: '数出物品数量，填写数字',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '计数', '填写'],
        sortOrder: 108,
    },
    {
        id: 'compare',
        title: '数一数，比大小',
        subtitle: '比较数量，填入 ＞＜＝',
        ageMin: 4,
        ageMax: 6,
        difficulty: 2,
        tags: ['数学', '比较', '数量'],
        sortOrder: 109,
    },
    {
        id: 'number-sort',
        title: '数字排序',
        subtitle: '写出正确的数字顺序',
        ageMin: 4,
        ageMax: 6,
        difficulty: 2,
        tags: ['数学', '数字排序', '序列'],
        sortOrder: 110,
    },
    {
        id: 'missing-number',
        title: '填上缺少的数字',
        subtitle: '在数列中找出并填写缺失数字',
        ageMin: 4,
        ageMax: 6,
        difficulty: 2,
        tags: ['数学', '数字序列', '填写'],
        sortOrder: 111,
    },
    {
        id: 'number-decompose',
        title: '10以内数的分与合',
        subtitle: '把数字分一分，合一合',
        ageMin: 4,
        ageMax: 6,
        difficulty: 1,
        tags: ['数学', '分与合', '10以内'],
        sortOrder: 112,
    },
    {
        id: 'number-decompose-20',
        title: '20以内数的分与合',
        subtitle: '把数字分一分，合一合',
        ageMin: 5,
        ageMax: 7,
        difficulty: 2,
        tags: ['数学', '分与合', '20以内'],
        sortOrder: 113,
    },
    {
        id: 'one-digit-addition',
        title: '一位数加法',
        subtitle: '通过圆点学习一位数加法运算',
        ageMin: 4,
        ageMax: 6,
        difficulty: 2,
        tags: ['数学', '加法', '一位数'],
        sortOrder: 114,
    },
    {
        id: 'addition-5',
        title: '5以内加法',
        subtitle: '图形化展示 5 以内加法',
        ageMin: 3,
        ageMax: 5,
        difficulty: 1,
        tags: ['数学', '加法', '5以内', '计算题'],
        sortOrder: 115,
    },
    {
        id: 'addition-10',
        title: '10以内加法',
        subtitle: '图形化展示 10 以内加法',
        ageMin: 4,
        ageMax: 6,
        difficulty: 2,
        tags: ['数学', '加法', '10以内', '计算题'],
        sortOrder: 116,
    },
    {
        id: 'subtraction-10',
        title: '10以内减法',
        subtitle: '图形化展示 10 以内减法',
        ageMin: 4,
        ageMax: 6,
        difficulty: 2,
        tags: ['数学', '减法', '10以内', '计算题'],
        sortOrder: 117,
    },
    {
        id: 'addition-subtraction-10',
        title: '10以内加减法',
        subtitle: '加减法混合运算',
        ageMin: 5,
        ageMax: 7,
        difficulty: 2,
        tags: ['数学', '加减法', '10以内', '计算题'],
        sortOrder: 118,
    },
    {
        id: 'make-ten',
        title: '凑十法练习',
        subtitle: '20 以内进位加法',
        ageMin: 5,
        ageMax: 7,
        difficulty: 3,
        tags: ['数学', '凑十法', '进位加法', '计算题'],
        sortOrder: 119,
    },
    {
        id: 'break-ten',
        title: '破十法练习',
        subtitle: '20 以内退位减法',
        ageMin: 5,
        ageMax: 7,
        difficulty: 3,
        tags: ['数学', '破十法', '退位减法', '计算题'],
        sortOrder: 120,
    },
    {
        id: 'flat-ten',
        title: '平十法练习',
        subtitle: '20 以内退位减法',
        ageMin: 5,
        ageMax: 7,
        difficulty: 3,
        tags: ['数学', '平十法', '退位减法', '计算题'],
        sortOrder: 121,
    },
    {
        id: 'borrow-ten',
        title: '借十法练习',
        subtitle: '20 以上退位减法',
        ageMin: 6,
        ageMax: 8,
        difficulty: 4,
        tags: ['数学', '借十法', '退位减法', '计算题'],
        sortOrder: 122,
    },
    {
        id: 'practice-addition',
        title: '加法运算',
        subtitle: '10/20/50/100 以内加法',
        ageMin: 5,
        ageMax: 8,
        difficulty: 3,
        tags: ['数学', '口算', '加法', '计算题'],
        sortOrder: 123,
    },
    {
        id: 'practice-subtraction',
        title: '减法运算',
        subtitle: '10/20/50/100 以内减法',
        ageMin: 5,
        ageMax: 8,
        difficulty: 3,
        tags: ['数学', '口算', '减法', '计算题'],
        sortOrder: 124,
    },
    {
        id: 'practice-mixed',
        title: '混合运算',
        subtitle: '10/20/50/100 以内加减法混合',
        ageMin: 5,
        ageMax: 8,
        difficulty: 3,
        tags: ['数学', '口算', '加减法', '计算题'],
        sortOrder: 125,
    },
    {
        id: 'multiplication-table',
        title: '九九乘法表',
        subtitle: '学习九九乘法口诀',
        ageMin: 6,
        ageMax: 8,
        difficulty: 3,
        tags: ['数学', '乘法', '九九乘法表'],
        sortOrder: 126,
    },
] as const satisfies ReadonlyArray<MathDrawDefinition>;

type MathDrawDefinitionItem = (typeof MATH_DRAW_DEFINITIONS)[number];

const MATH_DRAW_BY_ID = Object.fromEntries(
    MATH_DRAW_DEFINITIONS.map((item) => [item.id, item]),
) as Record<string, MathDrawDefinitionItem>;

function resolveMathPublishId(
    routeId: string,
    selectedTypeId: string,
    mode?: string,
): string {
    if (selectedTypeId === 'addition') {
        return mode || 'addition-5';
    }

    if (selectedTypeId === 'number-object-match' && mode === 'fill') {
        return 'number-object-fill';
    }

    if (routeId in MATH_DRAW_BY_ID) {
        return routeId;
    }

    return selectedTypeId;
}

export function getPublishMetaByMathState(
    routeId: string,
    selectedTypeId: string,
    mode?: string,
): DebugPublishMeta | null {
    const id = resolveMathPublishId(routeId, selectedTypeId, mode);
    const item = MATH_DRAW_BY_ID[id];
    if (!item) return null;

    return {
        id: item.id,
        title: item.title,
        subtitle: item.subtitle,
        category: 'math',
        subcategory: 'math-draw',
        path: `/mathPages/mathDraw/mathDraw?id=${item.id}`,
        ageMin: item.ageMin,
        ageMax: item.ageMax,
        grade: inferGradeFromAge(item.ageMin, item.ageMax),
        difficulty: item.difficulty,
        previewImg: '',
        tags: [...item.tags],
        isNew: false,
        isHot: false,
        sortOrder: item.sortOrder,
        status: 'draft',
    };
}