import type { DebugPublishMeta } from '../../utils/debugPublish';
import { inferGradeFromAge } from '../../utils/debugPublish';
import { LETTER_TRACING_WORKSHEET_DEFINITIONS } from '../../config/worksheets/letterTracing';

export { LETTER_TRACING_WORKSHEET_DEFINITIONS };

type LetterTracingWorksheetRow =
    (typeof LETTER_TRACING_WORKSHEET_DEFINITIONS)[number];

const LETTER_TRACING_WORKSHEET_BY_ID = Object.fromEntries(
    LETTER_TRACING_WORKSHEET_DEFINITIONS.map((m) => [m.id, m]),
) as Record<string, LetterTracingWorksheetRow>;

/** 页面渲染用：模式选择器列表（与 `LETTER_TRACING_WORKSHEET_DEFINITIONS` 同义） */
export const LETTER_TRACING_MODE_OPTIONS = LETTER_TRACING_WORKSHEET_DEFINITIONS;

/** 页面 pageInfoLookup 用 */
export function getModeInfo(id: string) {
    const m = LETTER_TRACING_WORKSHEET_BY_ID[id];
    return m ? { title: m.title, desc: m.subtitle } : undefined;
}

/** 判断 id 是否有效 */
export function isValidMode(id: string): boolean {
    return id in LETTER_TRACING_WORKSHEET_BY_ID;
}

/** 发布用：从当前 mode 生成 DebugPublishMeta */
export function getPublishMetaByMode(id: string): DebugPublishMeta | null {
    const m = LETTER_TRACING_WORKSHEET_BY_ID[id];
    if (!m) return null;
    return {
        id: m.id,
        title: m.title,
        subtitle: m.subtitle,
        category: 'english',
        subcategory: 'letter-tracing',
        path: `/englishPages/letterTracing/letterTracing?id=${m.id}`,
        ageMin: m.ageMin,
        ageMax: m.ageMax,
        grade: inferGradeFromAge(m.ageMin, m.ageMax),
        difficulty: m.difficulty,
        previewImg: '',
        tags: [...m.tags],
        isNew: false,
        isHot: false,
        sortOrder: m.sortOrder,
        status: 'draft',
    };
}