window.tarptaeya = {};

window.tarptaeya.reloadRepoCards = async function() {
  const CACHE_TIMEOUT = 60000;
  async function get(url) {
    const now = new Date().getTime();
    const prevResp = JSON.parse(localStorage.getItem(url));
    if (prevResp && Math.abs(now - prevResp.time) < CACHE_TIMEOUT) {
      return prevResp.data;
    }
    const resp = await fetch(url);
    const json = await resp.json();
    localStorage.setItem(url, JSON.stringify({time: now, data: json}));
    return json;
  }

  const emojis = await get('https://api.github.com/emojis');
  const colors = await get('https://raw.githubusercontent.com/ozh/github-colors/master/colors.json');

  const themes = {
    'light-default': {
      background: 'white',
      borderColor: '#e1e4e8',
      color: '#586069',
      linkColor: '#0366d6',
    },
    'dark-theme': {
      background: 'rgb(13, 17, 23)',
      borderColor: 'rgb(48, 54, 61)',
      color: 'rgb(139, 148, 158)',
      linkColor: 'rgb(88, 166, 255)',
    }
  };

  for (const el of document.querySelectorAll('.repo-card')) {
    const name = el.getAttribute('data-repo');
    const theme = themes[el.getAttribute('data-theme') || 'light-default'];
    const data = await get(`https://api.github.com/repos/${name}`);

    data.description = (data.description || '').replace(/:\w+:/g, function(match) {
      const name = match.substring(1, match.length - 1);
      const emoji = emojis[name];

      if (emoji) {
        return `<span><img src="${emoji}" style="width: 1rem; height: 1rem; vertical-align: -0.2rem;" alt="${name}"></span>`;
      }

      return match;
    });

    el.innerHTML = `
    <div style="font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji; border: 1px solid ${theme.borderColor}; border-radius: 6px; background: ${theme.background}; padding: 16px; font-size: 14px; line-height: 1.5; color: #24292e;">
      <div style="display: flex; align-items: center;">
        <svg style="fill: ${theme.color}; margin-right: 8px;" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M2 2.5A2.5 2.5 0 014.5 0h8.75a.75.75 0 01.75.75v12.5a.75.75 0 01-.75.75h-2.5a.75.75 0 110-1.5h1.75v-2h-8a1 1 0 00-.714 1.7.75.75 0 01-1.072 1.05A2.495 2.495 0 012 11.5v-9zm10.5-1V9h-8c-.356 0-.694.074-1 .208V2.5a1 1 0 011-1h8zM5 12.25v3.25a.25.25 0 00.4.2l1.45-1.087a.25.25 0 01.3 0L8.6 15.7a.25.25 0 00.4-.2v-3.25a.25.25 0 00-.25-.25h-3.5a.25.25 0 00-.25.25z"></path></svg>
        <span style="font-weight: 600; color: ${theme.linkColor};">
          <a style="text-decoration: none; color: inherit;" href="${data.html_url}">${data.name}</a>
        </span>
      </div>
      <div style="display: ${data.fork ? 'block' : 'none'}; font-size: 12px; color: ${theme.color};">Forked from <a style="color: inherit; text-decoration: none;" href="${data.fork ? data.source.html_url : ''}">${data.fork ? data.source.full_name : ''}</a></div>
      <div style="font-size: 12px; margin-bottom: 16px; margin-top: 8px; color: ${theme.color};">${data.description}</div>
      <div style="font-size: 12px; color: ${theme.color}; display: flex;">
        <div style="${data.language ? '' : 'display: none;'} margin-right: 16px;">
          <span style="width: 12px; height: 12px; border-radius: 100%; background-color: ${data.language ? colors[data.language].color : ''}; display: inline-block; top: 1px; position: relative;"></span>
          <span>${data.language}</span>
        </div>
        <div style="display: ${data.stargazers_count === 0 ? 'none' : 'flex'}; align-items: center; margin-right: 16px;">
          <svg style="fill: ${theme.color};" aria-label="stars" viewBox="0 0 16 16" version="1.1" width="16" height="16" role="img"><path fill-rule="evenodd" d="M8 .25a.75.75 0 01.673.418l1.882 3.815 4.21.612a.75.75 0 01.416 1.279l-3.046 2.97.719 4.192a.75.75 0 01-1.088.791L8 12.347l-3.766 1.98a.75.75 0 01-1.088-.79l.72-4.194L.818 6.374a.75.75 0 01.416-1.28l4.21-.611L7.327.668A.75.75 0 018 .25zm0 2.445L6.615 5.5a.75.75 0 01-.564.41l-3.097.45 2.24 2.184a.75.75 0 01.216.664l-.528 3.084 2.769-1.456a.75.75 0 01.698 0l2.77 1.456-.53-3.084a.75.75 0 01.216-.664l2.24-2.183-3.096-.45a.75.75 0 01-.564-.41L8 2.694v.001z"></path></svg>
          &nbsp; <span>${data.stargazers_count}</span>
        </div>
        <div style="display: ${data.forks === 0 ? 'none' : 'flex'}; align-items: center;">
          <svg style="fill: ${theme.color};" aria-label="fork" viewBox="0 0 16 16" version="1.1" width="16" height="16" role="img"><path fill-rule="evenodd" d="M5 3.25a.75.75 0 11-1.5 0 .75.75 0 011.5 0zm0 2.122a2.25 2.25 0 10-1.5 0v.878A2.25 2.25 0 005.75 8.5h1.5v2.128a2.251 2.251 0 101.5 0V8.5h1.5a2.25 2.25 0 002.25-2.25v-.878a2.25 2.25 0 10-1.5 0v.878a.75.75 0 01-.75.75h-4.5A.75.75 0 015 6.25v-.878zm3.75 7.378a.75.75 0 11-1.5 0 .75.75 0 011.5 0zm3-8.75a.75.75 0 100-1.5.75.75 0 000 1.5z"></path></svg>
          &nbsp; <span>${data.forks}</span>
        </div>
      </div>
    </div>
    `;
  }
};

window.addEventListener('DOMContentLoaded', window.tarptaeya.reloadRepoCards);
