'use strict';

// 文章详情页顶部封面高度契约：单图 / 多图(轮播) / 视频三种模式
// 必须共用同一高度公式 padding-bottom: calc(比例% + 50px)。

const assert = require('node:assert/strict');
const fs = require('node:fs');
const path = require('node:path');
const test = require('node:test');

const root = path.resolve(__dirname, '..', '..');
const read = (file) => fs.readFileSync(path.join(root, file), 'utf8');

const singleRender = read('inc/helpers/aksrt-single-render.php');
const sliderHelper = read('inc/helpers/aksrt-slider.php');

test('single cover: image mode keeps the calc(scale% + 50px) height', () => {
  assert.match(
    singleRender,
    /single-cover imgbox-container" style="padding-bottom:calc\(<\?php echo esc_attr\(\(string\) \$img_scale\); \?>% \+ 50px\);"/,
    '单图封面必须输出 calc(img_scale% + 50px) 内联高度'
  );
});

test('single cover: video mode aligns with the image-mode height formula', () => {
  assert.match(
    singleRender,
    /single-cover--video imgbox-container" style="padding-bottom:calc\(<\?php echo esc_attr\(\(string\) \$video_scale\); \?>% \+ 50px\);"/,
    '视频封面必须输出 calc(video_scale% + 50px) 内联高度'
  );
  // 不得回退到裸比例高度。
  assert.doesNotMatch(
    singleRender,
    /padding-bottom:<\?php echo esc_attr\(\(string\) \$video_scale\); \?>%;"/,
    '视频封面禁止输出不带 +50px 的裸比例高度'
  );
});

test('single cover: slide mode reserves the same +50px via the slider helper', () => {
  assert.match(
    singleRender,
    /'scale_extra'\s*=>\s*'50px'/,
    '多图封面必须向 aksrt_render_slider 传入 scale_extra=50px'
  );
  assert.match(
    sliderHelper,
    /'scale_extra'\s*=>\s*''/,
    'slider helper 需声明 scale_extra 默认参数'
  );
  // wrapper 的 padding-bottom 必须由比例 + 附加量组合而成。
  assert.match(
    sliderHelper,
    /\$scale_padding = 'calc\(' \. \$scale_padding \. ' \+ ' \. \$scale_extra \. '\)';/,
    'scale 模式必须把 scale_extra 合成 calc 表达式'
  );
});

test('single cover: the dead static slide fallback is gone', () => {
  assert.doesNotMatch(
    singleRender,
    /function_exists\('aksrt_render_slider'\)/,
    'aksrt_render_slider 由 bootstrap 无条件加载，不得保留 function_exists 双路判断'
  );
  assert.doesNotMatch(
    singleRender,
    /single-cover--slide imgbox-container" style="padding-bottom/,
    '多图封面只允许经由 slider helper 输出，禁止保留静态 fallback 分支'
  );
});

test('slider scale mode: inner swiper carries no dead inline height styles', () => {
  assert.doesNotMatch(
    sliderHelper,
    /--scale-ratio/,
    '--scale-ratio 无任何 CSS 消费方，禁止输出'
  );
  const scaleMode = sliderHelper.split("if ($args['scale_height']) {")[1] || '';
  assert.ok(scaleMode.includes("position:absolute;inset:0;width:100%;height:100%;"));
});

test('dead cover css is removed from every stylesheet surface', () => {
  for (const file of [
    'assets/css/frontend/single-post/cover.css',
    'assets/css/main.css',
    'assets/css/main.min.css',
    'assets/css/build/public.css',
    'assets/css/build/public.min.css',
    'assets/css/frontend/enhancements/components/base.css',
  ]) {
    const css = read(file);
    assert.doesNotMatch(css, /\.single-cover-slide[,{ ]/, `${file} 不得再包含死的 .single-cover-slide 规则`);
    assert.doesNotMatch(css, /\.single-cover-slider\b/, `${file} 不得再包含死的 .single-cover-slider 规则`);
  }
  assert.doesNotMatch(
    read('assets/js/core/misc.js'),
    /initSlideCovers/,
    'misc.js 的 initSlideCovers（无标记生产方）已删除'
  );
});