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

const { createQrCodeSvg, createStyledQrCodeSvg, createStyledQrCodeDataUrl, buildQrCodeContent } = require('../src/data/qr-code');
const { buildSlidePayload } = require('../src/data/slides');

test('createQrCodeSvg renders a qr svg for non-empty values', async () => {
  const svg = await createQrCodeSvg('https://example.com');

  assert.equal(typeof svg, 'string');
  assert.match(svg, /<svg[\s>]/);
});

test('createStyledQrCodeSvg renders a styled qr svg for non-empty values', async () => {
  const svg = await createStyledQrCodeSvg('https://example.com');

  assert.equal(typeof svg, 'string');
  assert.match(svg, /<svg[\s>]/);
});

test('createStyledQrCodeDataUrl renders a styled qr data url for non-empty values', async () => {
  const dataUrl = await createStyledQrCodeDataUrl('https://example.com');

  assert.equal(typeof dataUrl, 'string');
  assert.match(dataUrl, /^data:image\/svg\+xml/);
});

test('buildQrCodeContent stores qr svg content for qr-code regions', async () => {
  const content = await buildQrCodeContent('https://example.com');

  assert.equal(content.type, 'qr-code');
  assert.equal(content.value, 'https://example.com');
  assert.equal(typeof content.qr_svg, 'string');
  assert.match(content.qr_svg, /<svg[\s>]/);
  assert.equal(typeof content.qr_preview, 'string');
  assert.match(content.qr_preview, /^data:image\/svg\+xml/);
});

test('buildSlidePayload stores qr-code slide content from the submitted url', async () => {
  const pool = {
    async query(sql) {
      if (sql.includes('FROM c_templates st')) {
        return [[{ id: 7, name: 'Template 7', canvas_size_id: 1, canvas_size_width: 1920, canvas_size_height: 1080 }]];
      }

      if (sql.includes('FROM c_template_regions')) {
        return [[{ id: 22, template_id: 7, region_key: 'qrRegion', region_type: 'qr-code', label: 'QR' }]];
      }

      if (sql.includes('FROM i_rss_feed_items')) {
        return [[{ count: 2 }]];
      }

      return [[]];
    }
  };

  const payload = await buildSlidePayload(pool, {
    body: {
      title: 'QR Slide',
      template_id: '7',
      region_qr_code_22: 'https://example.com'
    },
    files: []
  }, null);

  const content = JSON.parse(payload.contentJson);
  assert.equal(content.qrRegion.type, 'qr-code');
  assert.equal(content.qrRegion.value, 'https://example.com');
  assert.equal(typeof content.qrRegion.qr_svg, 'string');
  assert.match(content.qrRegion.qr_svg, /<svg[\s>]/);
  assert.equal(typeof content.qrRegion.qr_preview, 'string');
  assert.match(content.qrRegion.qr_preview, /^data:image\/svg\+xml/);
});

test('buildSlidePayload clamps rss item_number to the available item count', async () => {
  const pool = {
    async query(sql) {
      if (sql.includes('FROM c_templates st')) {
        return [[{ id: 8, name: 'Template 8', canvas_size_id: 1, canvas_size_width: 1920, canvas_size_height: 1080 }]];
      }

      if (sql.includes('FROM c_template_regions')) {
        return [[{ id: 23, template_id: 8, region_key: 'rssRegion', region_type: 'rss', label: 'RSS' }]];
      }

      if (sql.includes('FROM i_rss_feed_items')) {
        return [[{ count: 2 }]];
      }

      return [[]];
    }
  };

  const payload = await buildSlidePayload(pool, {
    body: {
      title: 'RSS Slide',
      template_id: '8',
      region_rss_feed_id_23: '11',
      region_rss_item_number_23: '5',
      region_text_23: '<p>Hello</p>'
    },
    files: []
  }, null);

  const content = JSON.parse(payload.contentJson);
  assert.equal(content.rssRegion.type, 'rss');
  assert.equal(content.rssRegion.feed_id, 11);
  assert.equal(content.rssRegion.item_number, 2);
});