const { DateTime } = require("luxon");

const SONGS = [
  {
    "id": "qmPqIcqGDYk",
    "title": "Mumford & Sons \"Winter Winds\" Directors Cut"
  },
  {
    "id": "yIyUkZ-vIhU",
    "title": "Tom Walker - Leave a Light On | Infinito Violin Duo"
  },
  {
    "id": "_jTdnCbWJQE",
    "title": "Alan Jackson - You Can Always Come Home (Lyric Video)"
  },
  {
    "id": "ZM5qIJdBtX0",
    "title": "Cher - The Shoop Shoop Song (It's In His Kiss) (Alternate Version) (Official Music Video)"
  },
  {
    "id": "WJ0uJo5kJ04",
    "title": "Rolf Zuckowski | Die Jahresuhr (Lyric Video)"
  },
  {
    "id": "NTY41o6ugX0",
    "title": "Lo & Leduc: 079 | Die grössten Schweizer Hits | SRF Musik"
  },
  {
    "id": "7JlDXrt4Ne0",
    "title": "(Le Pingouin Judoka)  - Ponga"
  },
  {
    "id": "fJ9rUzIMcZQ",
    "title": "Queen – Bohemian Rhapsody (Official Video Remastered)"
  },
  {
    "id": "Q4wb11w0ZHQ",
    "title": "Ravel - Bolero (original version)"
  },
  {
    "id": "7PCkvCPvDXk",
    "title": "Meghan Trainor - All About That Bass (Official Video)"
  },
  {
    "id": "lgeUItUZjj4",
    "title": "Gipsy Kings - Baila Me (Official Video)"
  },
  {
    "id": "zWaymcVmJ-A",
    "title": "Los Del Rio - Macarena (Bayside Boys Remix)"
  },
  {
    "id": "ly6BHDlCL38",
    "title": "I like to Move it-Madagascar"
  },
  {
    "id": "0GsajWIF3ws",
    "title": "Swan Lake – Dance of the cygnets (The Royal Ballet)"
  },
  {
    "id": "di8_3C447CU",
    "title": "Freddy Kalas   Hey Ho Lyrics"
  },
  {
    "id": "IDBVW4BXZPo",
    "title": "Blue Bayou"
  },
  {
    "id": "6pYI9t-I6qo",
    "title": "The Pogues - Fiesta"
  },
  {
    "id": "amk7AiEI43I",
    "title": "Bryan Adams - Christmas Time (Classic Version)"
  },
  {
    "id": "HGVNzgUxE-g",
    "title": "Barenaked Ladies - \"God Rest Ye Merry Gentlemen/We Three Kings\" Feat. Sarah McLachlan"
  },
  {
    "id": "klFMGWb8x6A",
    "title": "The Archies - Sugar, Sugar (Official Video)"
  },
  {
    "id": "_UFUcqXQd-4",
    "title": "FRANK ZANDER - Oh, Susi (Der zensierte Song)"
  },
  {
    "id": "SmctKnIYWF0",
    "title": "Peter Alexander - Der Papa wird's schon richten (WWF-Club 30.10.1981)"
  },
  {
    "id": "ZUVVHZsatL8",
    "title": "Zwei kleine Italiener"
  },
  {
    "id": "InJnd0twFcQ",
    "title": "Anne Kaffeekanne"
  }
];


export default async function getSongs(req, res) {
  const unlocked = req.query.unlock === 'true';
  const NOW = DateTime.utc().setZone("Europe/Berlin");

  const getLockedData = (index) => {
    const dayString = ("00" + (index + 1)).substr(-2, 2);
    const lockedUntilDateTime = DateTime.fromISO(
      `${NOW.year}-12-${dayString}T00:00:00.000+01:00`
    );
    return {
      locked: unlocked ? false : NOW < lockedUntilDateTime,
      lockedUntil: lockedUntilDateTime.toISO(),
    };
  };

  const songs = SONGS.map((item, index) => ({
    ...item,
    ...getLockedData(index),
  }));
  res.json({ songs });
};