// SCRAPE BY NEKOLABS
// CHANNEL WA: https://whatsapp.com/channel/0029VbANq6v0VycMue9vPs3u

const axios = require("axios");
const cheerio = require("cheerio");

class NCS {
  constructor() {
    this.baseUrl = "https://ncs.io";

    this.validGenres = {
      "31": "Alternative Dance", "33": "Alternative Pop", "23": "Ambient", "34": "Anti-Pop",
      "1": "Bass", "18": "Bass House", "26": "Brazilian Phonk", "27": "Breakbeat",
      "2": "Chill", "24": "Chill Bass", "35": "Chill Pop", "85": "Colour Bass",
      "65": "Complextro", "36": "Dance-Pop", "66": "Deep House", "45": "Disco",
      "46": "Disco House", "3": "Drum & Bass", "4": "Drumstep", "5": "Dubstep",
      "6": "EDM", "47": "Electro", "48": "Electro House", "7": "Electronic",
      "39": "Electronic Pop", "83": "Electronic Rock", "17": "Future Bass", "68": "Future Bounce",
      "8": "Future House", "69": "Future Rave", "57": "Future Trap", "40": "Futurepop",
      "51": "Garage", "15": "Glitch Hop", "82": "Hardcore", "9": "Hardstyle",
      "10": "House", "41": "Hyperpop", "11": "Indie Dance", "91": "J-Pop",
      "84": "Jersey Club", "28": "Jump-Up", "29": "Liquid DnB", "60": "Lofi Hip-Hop",
      "12": "Melodic Dubstep", "54": "Melodic House", "22": "Midtempo Bass", "30": "Neurofunk",
      "87": "Nu-Jazz", "16": "Phonk", "86": "Pluggnb", "19": "Pop",
      "55": "Progressive House", "88": "RnB", "89": "Speed Garage", "73": "Tech House",
      "80": "Techno", "81": "Trance", "14": "Trap", "74": "Tribal House",
      "21": "UKG", "90": "Witch House"
    };

    this.validMoods = {
      "1": "Angry", "33": "angry", "26": "Chasing", "2": "Dark", "35": "dark",
      "36": "dramatic", "3": "Dreamy", "27": "Eccentric", "28": "Elegant", "6": "energetic",
      "4": "Epic", "5": "Euphoric", "37": "exciting", "7": "Fear", "29": "Floating",
      "8": "Funny", "9": "Glamorous", "10": "Gloomy", "11": "Happy", "30": "Heavy",
      "12": "Hopeful", "13": "Laid Back", "38": "majestic", "14": "Mysterious", "34": "negative",
      "39": "neutral", "15": "Peaceful", "40": "positive", "32": "powerful", "16": "Quirky",
      "17": "relaxed", "18": "Restless", "19": "romantic", "20": "sad", "21": "scary",
      "31": "Sentimental", "22": "Sexy", "23": "Suspense", "41": "tense", "24": "Weird"
    };
  }

  validateParam(type, value) {
    const validList = type === "genre" ? this.validGenres : this.validMoods;
    return value && validList[value] ? String(value) : "";
  }

  async searchTracks(query, genre = "", mood = "") {
    try {
      const validGenre = this.validateParam("genre", genre);
      const validMood = this.validateParam("mood", mood);
      const url = `${this.baseUrl}/music-search?q=${encodeURIComponent(query)}&genre=${validGenre}&mood=${validMood}`;

      const { data } = await axios.get(url, {
        headers: {
          "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36"
        }
      });

      const $ = cheerio.load(data);
      const tracks = [];

      $("table.tablesorter tbody tr").each((_, el) => {
        const $row = $(el);
        const $play = $row.find(".player-play");

        const tid = $play.attr("data-tid") || "";
        const title = $play.attr("data-track") || "";
        const artist = $play.attr("data-artistraw") || "";
        const versions = $play.attr("data-versions") || "";
        const genre = $play.attr("data-genre") || "";
        const previewUrl = $play.attr("data-url") || "";
        const previewStart = $play.attr("data-preview") || "0";
        const image = $row.find("td img[alt]").attr("src") || "";

        const genres = [];
        const moods = [];

        $row.find("td:nth-child(5) a.tag").each((i, tag) => {
          const $tag = $(tag);
          const text = $tag.text().trim();
          const href = $tag.attr("href") || "";
          if (href.includes("genre=")) genres.push(text);
          else if (href.includes("mood=")) moods.push(text);
        });

        const releaseDate = $row.find("td:nth-child(6)").text().trim();

        if (tid && title) {
          tracks.push({
            tid,
            title,
            artist,
            versions,
            genre,
            image,
            genres,
            moods,
            previewUrl,
            previewStart,
            releaseDate
          });
        }
      });

      return tracks;
    } catch (err) {
      console.error("Error while searching NCS:", err.message);
      return [];
    }
  }
}

const ncs = new NCS();

const handler = async (req, res) => {
  try {
    const { text, genre, mood } = req.query;

    if (!text) {
      return res.status(400).json({
        success: false,
        error: 'Missing required parameter: text'
      });
    }

    const results = await ncs.searchTracks(text, genre || "", mood || "");

    res.json({
      author: 'Herza',
      success: true,
      data: results
    });

  } catch (error) {
    res.status(500).json({
      success: false,
      error: error.message
    });
  }
};

module.exports = {
  name: 'NCS Music Search',
  description: 'Search NoCopyrightSounds tracks by keyword with optional genre and mood filters',
  type: 'GET',
  routes: ['api/search/ncs'],
  tags: ['search', 'music', 'ncs', 'tools'],
  parameters: ['text', 'genre (optional)', 'mood (optional)'],
  enabled: true,
  main: ['Search'],
  handler
};