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

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

export const HANDWRITING_SHEET_WORKSHEET_DEFINITIONS = [
    {
        id: 'handwriting-sheet',
        title: '自定义练字帖',
        subtitle: '自定义田字格练字帖',
        ageMin: 4,
        ageMax: 8,
        difficulty: 2,
        tags: ['练字', '字帖', '田字格', '汉字'],
        sortOrder: 35,
    },
] as const satisfies ReadonlyArray<HandwritingSheetWorksheetDefinition>;

type HandwritingSheetWorksheetRow =
    (typeof HANDWRITING_SHEET_WORKSHEET_DEFINITIONS)[number];

const HANDWRITING_SHEET_WORKSHEET_BY_ID = Object.fromEntries(
    HANDWRITING_SHEET_WORKSHEET_DEFINITIONS.map((item) => [item.id, item]),
) as Record<string, HandwritingSheetWorksheetRow>;

export const HANDWRITING_SHEET_WORKSHEET_ID =
    HANDWRITING_SHEET_WORKSHEET_DEFINITIONS[0].id;

export function getModeInfo(id: string) {
    const item = HANDWRITING_SHEET_WORKSHEET_BY_ID[id];
    return item ? { title: item.title, desc: item.subtitle } : undefined;
}

export function isValidMode(id: string): boolean {
    return id in HANDWRITING_SHEET_WORKSHEET_BY_ID;
}

export function getPublishMetaByMode(id: string): DebugPublishMeta | null {
    const item = HANDWRITING_SHEET_WORKSHEET_BY_ID[id];
    if (!item) return null;

    return {
        id: item.id,
        title: item.title,
        subtitle: item.subtitle,
        category: 'chinese',
        subcategory: 'handwriting-sheet',
        path: `/chinesePages/handwritingSheet/handwritingSheet?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',
    };
}