import { describe, expect, test } from 'vitest';

import shareGridBridge from './index.shared.js';

const {
  buildShareGridTileFileName,
  buildShareGridTilePlan,
  normalizeShareGridQuery,
} = shareGridBridge;

describe('share-grid mini program bridge', () => {
  test('normalizes query values and keeps a fallback title', () => {
    expect(
      normalizeShareGridQuery({
        imageUrl: ' https://web.test/cover.png ',
        publicWorkCode: ' PZ-0001 ',
      }),
    ).toEqual({
      imageUrl: 'https://web.test/cover.png',
      title: '我的作品',
      publicWorkCode: 'PZ-0001',
    });
  });

  test('names tiles by title, public code and left-to-right order', () => {
    const params = {
      title: '星港:拼图',
      publicWorkCode: 'PZ-0001',
    };

    expect(buildShareGridTileFileName(params, 0)).toBe(
      '星港拼图-PZ-0001-01.png',
    );
    expect(buildShareGridTileFileName(params, 8)).toBe(
      '星港拼图-PZ-0001-09.png',
    );
  });

  test('builds a 3x3 crop plan in reading order', () => {
    const plan = buildShareGridTilePlan(900, 600);

    expect(plan).toHaveLength(9);
    expect(plan[0]).toMatchObject({
      index: 0,
      row: 0,
      col: 0,
      sourceX: 0,
      sourceY: 0,
      sourceWidth: 300,
      sourceHeight: 200,
    });
    expect(plan[4]).toMatchObject({
      index: 4,
      row: 1,
      col: 1,
      sourceX: 300,
      sourceY: 200,
    });
    expect(plan[8]).toMatchObject({
      index: 8,
      row: 2,
      col: 2,
      sourceX: 600,
      sourceY: 400,
    });
  });
});