// code from goatstore
// api: https://store.agi.bd
const fs = require("fs-extra");
const path = require("path");

const DB_PATH = path.join(__dirname, "../database/settheme.json");

function loadDB() {
  try {
    fs.ensureFileSync(DB_PATH);

    if (!fs.readFileSync(DB_PATH, "utf8").trim()) {
      fs.writeJsonSync(DB_PATH, {});
    }

    const data = fs.readJsonSync(DB_PATH);
    return data && typeof data === "object" ? data : {};
  } catch (e) {
    return {};
  }
}

function saveDB(data) {
  fs.ensureDirSync(path.dirname(DB_PATH));
  fs.writeJsonSync(DB_PATH, data, { spaces: 2 });
}

// ======================================================
// THEME PRESETS
// ======================================================

const THEMES = {
  black: {
    color: "#000000",
    emoji: "🖤",
    name: "Black"
  },

  dark: {
    color: "#18191A",
    emoji: "🌑",
    name: "Dark"
  },

  blue: {
    color: "#0084FF",
    emoji: "💙",
    name: "Blue"
  },

  red: {
    color: "#FF0000",
    emoji: "❤️",
    name: "Red"
  },

  green: {
    color: "#00C851",
    emoji: "💚",
    name: "Green"
  },

  purple: {
    color: "#8E44AD",
    emoji: "💜",
    name: "Purple"
  },

  pink: {
    color: "#FF69B4",
    emoji: "💗",
    name: "Pink"
  },

  orange: {
    color: "#FF8800",
    emoji: "🧡",
    name: "Orange"
  },

  yellow: {
    color: "#FFD600",
    emoji: "💛",
    name: "Yellow"
  },

  cyber: {
    color: "#00FFFF",
    emoji: "🤖",
    name: "Cyber"
  },

  neon: {
    color: "#39FF14",
    emoji: "⚡",
    name: "Neon"
  },

  galaxy: {
    color: "#5B2C83",
    emoji: "🌌",
    name: "Galaxy"
  },

  fire: {
    color: "#FF4500",
    emoji: "🔥",
    name: "Fire"
  },

  ocean: {
    color: "#006994",
    emoji: "🌊",
    name: "Ocean"
  },

  love: {
    color: "#FF4D6D",
    emoji: "💕",
    name: "Love"
  },

  gaming: {
    color: "#7B2CFF",
    emoji: "🎮",
    name: "Gaming"
  },

  horror: {
    color: "#2B0000",
    emoji: "💀",
    name: "Horror"
  }
};

// ======================================================
// DESCRIPTION ANALYZER
// ======================================================

function detectTheme(text) {
  const input = text.toLowerCase();

  let theme = {
    color: "#0084FF",
    emoji: "✨",
    name: "Custom"
  };

  // Black / Dark
  if (
    input.includes("black") ||
    input.includes("কালো") ||
    input.includes("dark") ||
    input.includes("ডার্ক")
  ) {
    theme = THEMES.black;
  }

  // Blue
  if (
    input.includes("blue") ||
    input.includes("নীল")
  ) {
    theme = THEMES.blue;
  }

  // Red
  if (
    input.includes("red") ||
    input.includes("লাল")
  ) {
    theme = THEMES.red;
  }

  // Green
  if (
    input.includes("green") ||
    input.includes("সবুজ")
  ) {
    theme = THEMES.green;
  }

  // Purple
  if (
    input.includes("purple") ||
    input.includes("বেগুনি")
  ) {
    theme = THEMES.purple;
  }

  // Pink
  if (
    input.includes("pink") ||
    input.includes("গোলাপি")
  ) {
    theme = THEMES.pink;
  }

  // Orange
  if (
    input.includes("orange") ||
    input.includes("কমলা")
  ) {
    theme = THEMES.orange;
  }

  // Yellow
  if (
    input.includes("yellow") ||
    input.includes("হলুদ")
  ) {
    theme = THEMES.yellow;
  }

  // Cyber
  if (
    input.includes("cyber") ||
    input.includes("সাইবার") ||
    input.includes("cyberpunk")
  ) {
    theme = THEMES.cyber;
  }

  // Neon
  if (
    input.includes("neon") ||
    input.includes("নিয়ন") ||
    input.includes("নিয়ন")
  ) {
    theme = THEMES.neon;
  }

  // Galaxy
  if (
    input.includes("galaxy") ||
    input.includes("space") ||
    input.includes("মহাকাশ") ||
    input.includes("গ্যালাক্সি")
  ) {
    theme = THEMES.galaxy;
  }

  // Fire
  if (
    input.includes("fire") ||
    input.includes("আগুন") ||
    input.includes("fiery")
  ) {
    theme = THEMES.fire;
  }

  // Ocean
  if (
    input.includes("ocean") ||
    input.includes("sea") ||
    input.includes("সমুদ্র")
  ) {
    theme = THEMES.ocean;
  }

  // Love
  if (
    input.includes("love") ||
    input.includes("romantic") ||
    input.includes("ভালোবাসা") ||
    input.includes("রোমান্টিক")
  ) {
    theme = THEMES.love;
  }

  // Gaming
  if (
    input.includes("gaming") ||
    input.includes("game") ||
    input.includes("গেমিং")
  ) {
    theme = THEMES.gaming;
  }

  // Horror
  if (
    input.includes("horror") ||
    input.includes("ভূত") ||
    input.includes("ভয়") ||
    input.includes("ভয়") ||
    input.includes("scary")
  ) {
    theme = THEMES.horror;
  }

  // ====================================================
  // EMOJI OVERRIDE
  // ====================================================

  if (input.includes("🔥") || input.includes("fire")) {
    theme.emoji = "🔥";
  }

  if (input.includes("❤️") || input.includes("heart")) {
    theme.emoji = "❤️";
  }

  if (input.includes("💀") || input.includes("skull")) {
    theme.emoji = "💀";
  }

  if (input.includes("🤖") || input.includes("robot")) {
    theme.emoji = "🤖";
  }

  if (input.includes("🎮") || input.includes("gaming")) {
    theme.emoji = "🎮";
  }

  if (input.includes("🌌") || input.includes("galaxy")) {
    theme.emoji = "🌌";
  }

  if (input.includes("🌊") || input.includes("ocean")) {
    theme.emoji = "🌊";
  }

  if (input.includes("💜")) {
    theme.emoji = "💜";
  }

  if (input.includes("💙")) {
    theme.emoji = "💙";
  }

  if (input.includes("💚")) {
    theme.emoji = "💚";
  }

  if (input.includes("💗")) {
    theme.emoji = "💗";
  }

  return theme;
}

// ======================================================
// COMMAND
// ======================================================

module.exports = {
  config: {
    name: "settheme",
    aliases: ["theme", "aitheme"],
    version: "3.0.0",
    author: "Zihad",
    countDown: 3,
    role: 1,
    shortDescription: {
      en: "Set Messenger group theme from description"
    },
    longDescription: {
      en: "Understand a theme description and change group color and emoji."
    },
    category: "group"
  },

  onStart: async function ({ api, event, args, message }) {
    const threadID = event.threadID;

    // ================================================
    // HELP
    // ================================================

    if (!args.length) {
      return message.reply(
        "╭────── 🤖 𝗚𝗢𝗔𝗧 𝗔𝗜 𝗧𝗛𝗘𝗠𝗘 ──────╮\n\n" +
        "🎨 আমাকে theme-এর description দাও।\n\n" +

        "Examples:\n\n" +

        "• settheme black cyberpunk neon blue\n" +
        "• settheme কালো horror আগুনের মতো\n" +
        "• settheme pink romantic love heart\n" +
        "• settheme purple galaxy space\n" +
        "• settheme dark gaming theme\n" +
        "• settheme blue ocean theme\n\n" +

        "✨ Bot description বুঝে group color + emoji change করবে।\n\n" +

        "╰────────────────────────╯"
      );
    }

    // ================================================
    // RESET
    // ================================================

    if (args[0].toLowerCase() === "reset") {
      try {
        await api.changeThreadColor("#0084FF", threadID);
        await api.changeThreadEmoji("👍", threadID);

        const db = loadDB();

        if (db[threadID]) {
          delete db[threadID];
          saveDB(db);
        }

        return message.reply(
          "╭────── 🤖 𝗚𝗢𝗔𝗧 𝗧𝗛𝗘𝗠𝗘 ──────╮\n\n" +
          "✅ Theme reset successfully!\n\n" +
          "🎨 Color: Default Blue\n" +
          "😀 Emoji: 👍\n\n" +
          "╰────────────────────────╯"
        );
      } catch (error) {
        return message.reply(
          "❌ Theme reset failed!\n\n" +
          `› ${error.message}`
        );
      }
    }

    // ================================================
    // SHOW
    // ================================================

    if (args[0].toLowerCase() === "show") {
      const db = loadDB();
      const saved = db[threadID];

      if (!saved) {
        return message.reply(
          "❌ এই group-এ কোনো saved AI theme নেই।"
        );
      }

      return message.reply(
        "╭────── 🤖 𝗚𝗢𝗔𝗧 𝗧𝗛𝗘𝗠𝗘 ──────╮\n\n" +
        `🎨 Name: ${saved.name}\n` +
        `🎯 Color: ${saved.color}\n` +
        `😀 Emoji: ${saved.emoji}\n\n` +
        `📝 Description:\n${saved.description}\n\n` +
        "╰────────────────────────╯"
      );
    }

    // ================================================
    // ANALYZE DESCRIPTION
    // ================================================

    const description = args.join(" ");
    const theme = detectTheme(description);

    try {
      await message.reply(
        "╭────── 🤖 𝗚𝗢𝗔𝗧 𝗔𝗜 ──────╮\n\n" +
        "🧠 Description বুঝছি...\n" +
        "🎨 Theme তৈরি করছি...\n" +
        "⏳ Applying...\n\n" +
        "╰────────────────────────╯"
      );

      // ==============================================
      // REAL MESSENGER GROUP COLOR
      // ==============================================

      await api.changeThreadColor(
        theme.color,
        threadID
      );

      // ==============================================
      // REAL MESSENGER GROUP EMOJI
      // ==============================================

      await api.changeThreadEmoji(
        theme.emoji,
        threadID
      );

      // ==============================================
      // SAVE
      // ==============================================

      const db = loadDB();

      db[threadID] = {
        name: theme.name,
        color: theme.color,
        emoji: theme.emoji,
        description: description,
        updatedAt: new Date().toISOString()
      };

      saveDB(db);

      return message.reply(
        "╭────── 🤖 𝗚𝗢𝗔𝗧 𝗔𝗜 𝗧𝗛𝗘𝗠𝗘 ──────╮\n\n" +
        "✅ Theme applied successfully!\n\n" +
        `🎨 Theme: ${theme.name}\n` +
        `🎯 Color: ${theme.color}\n` +
        `😀 Emoji: ${theme.emoji}\n\n` +
        `📝 ${description}\n\n` +
        "💾 Theme saved.\n\n" +
        "╰────────────────────────╯"
      );

    } catch (error) {
      console.error("settheme error:", error);

      return message.reply(
        "╭────── ❌ 𝗧𝗛𝗘𝗠𝗘 𝗘𝗥𝗥𝗢𝗥 ──────╮\n\n" +
        "Theme apply করা যায়নি।\n\n" +
        `› ${error.message}\n\n` +
        "╰────────────────────────╯"
      );
    }
  }
};