// code from goatstore
// api: https://store.agi.bd
const axios = require("axios");
const { createCanvas, loadImage } = require("canvas");
const fs = require("fs-extra");

const API_BASE = "https://hridoy-api.onrender.com";

module.exports = {
  config: {
    name: "pair6",
    aliases: ["pr6"],
    version: "2.1",
    author: "Jihad",
    countDown: 5,
    role: 0,
    category: "love",
    guide: "{pn}"
  },

  onStart: async function ({
    api,
    event,
    usersData
  }) {
    const {
      threadID,
      senderID,
      messageID,
      participantIDs,
      messageReply,
      mentions
    } = event;

    try {

      /*
       * ==========================================
       * TARGET PRIORITY
       * ==========================================
       * 1. Reply
       * 2. Mention
       * 3. Random member
       */

      let targetID = null;

      // 1. Reply target
      if (
        messageReply &&
        (
          messageReply.senderID ||
          messageReply.author
        )
      ) {
        targetID =
          messageReply.senderID ||
          messageReply.author;
      }

      // 2. Mention target
      else if (
        mentions &&
        Object.keys(mentions).length > 0
      ) {
        targetID =
          Object.keys(mentions)[0];
      }

      // 3. Random group member
      else {
        const botID =
          String(
            api.getCurrentUserID()
          );

        const availableMembers =
          Array.isArray(participantIDs)
            ? participantIDs.filter(
                id =>
                  String(id) !==
                    String(senderID) &&
                  String(id) !== botID
              )
            : [];

        if (
          availableMembers.length > 0
        ) {
          targetID =
            availableMembers[
              Math.floor(
                Math.random() *
                availableMembers.length
              )
            ];
        }
      }

      /*
       * ==========================================
       * NO TARGET
       * ==========================================
       */

      if (!targetID) {
        return api.sendMessage(
          "⚠️ | Pair করার মতো কোনো member পাওয়া যায়নি! 💗",
          threadID,
          messageID
        );
      }

      /*
       * ==========================================
       * SELF PAIR PROTECTION
       * ==========================================
       */

      if (
        String(targetID) ===
        String(senderID)
      ) {
        return api.sendMessage(
          "😅 | নিজেকে নিজের সাথে pair করা যাবে না!",
          threadID,
          messageID
        );
      }

      /*
       * ==========================================
       * GET NAMES
       * ==========================================
       */

      const [
        name1,
        name2
      ] = await Promise.all([
        usersData.getName(
          senderID
        ),
        usersData.getName(
          targetID
        )
      ]);

      /*
       * ==========================================
       * GET PAIR6 CONFIG
       * ==========================================
       */

      const response =
        await axios.get(
          `${API_BASE}/api/images/pair6`,
          {
            timeout: 15000
          }
        );

      const config =
        response.data;

      if (
        !config ||
        !config.url ||
        !config.positions
      ) {
        throw new Error(
          "Invalid Pair6 API response"
        );
      }

      /*
       * ==========================================
       * FACEBOOK TOKEN
       * ==========================================
       */

      const token =
        "6628568379|c1e620fa708a1d5696fb991c1bde5662";

      /*
       * ==========================================
       * LOAD IMAGES
       * ==========================================
       */

      const [
        bg,
        img1,
        img2
      ] = await Promise.all([
        loadImage(
          config.url
        ),

        loadImage(
          `https://graph.facebook.com/${senderID}/picture?width=512&height=512&access_token=${token}`
        ),

        loadImage(
          `https://graph.facebook.com/${targetID}/picture?width=512&height=512&access_token=${token}`
        )
      ]);

      /*
       * ==========================================
       * CREATE CANVAS
       * ==========================================
       */

      const canvas =
        createCanvas(
          bg.width,
          bg.height
        );

      const ctx =
        canvas.getContext("2d");

      /*
       * ==========================================
       * DRAW BACKGROUND
       * ==========================================
       */

      ctx.drawImage(
        bg,
        0,
        0,
        canvas.width,
        canvas.height
      );

      /*
       * ==========================================
       * DRAW PROFILE
       * ==========================================
       */

      const draw = (
        img,
        pos
      ) => {

        if (
          !pos ||
          typeof pos.x !== "number" ||
          typeof pos.y !== "number" ||
          typeof pos.w !== "number" ||
          typeof pos.h !== "number"
        ) {
          throw new Error(
            "Invalid Pair6 position"
          );
        }

        ctx.save();

        ctx.beginPath();

        ctx.arc(
          pos.x +
            pos.w / 2,
          pos.y +
            pos.h / 2,
          Math.min(
            pos.w,
            pos.h
          ) / 2,
          0,
          Math.PI * 2
        );

        ctx.closePath();

        ctx.clip();

        ctx.drawImage(
          img,
          pos.x,
          pos.y,
          pos.w,
          pos.h
        );

        ctx.restore();
      };

      /*
       * ==========================================
       * YOUR PROFILE
       * ==========================================
       */

      draw(
        img1,
        config.positions.sender
      );

      /*
       * ==========================================
       * TARGET PROFILE
       * ==========================================
       */

      draw(
        img2,
        config.positions.target
      );

      /*
       * ==========================================
       * CACHE DIRECTORY
       * ==========================================
       */

      const cacheDir =
        __dirname + "/cache";

      fs.ensureDirSync(
        cacheDir
      );

      /*
       * ==========================================
       * IMAGE PATH
       * ==========================================
       */

      const pathImg =
        `${cacheDir}/pair6_${senderID}_${targetID}_${Date.now()}.png`;

      /*
       * ==========================================
       * SAVE IMAGE
       * ==========================================
       */

      fs.writeFileSync(
        pathImg,
        canvas.toBuffer(
          "image/png"
        )
      );

      /*
       * ==========================================
       * MESSAGE
       * ==========================================
       */

      const body =
        (
          config.messages?.[0] ||
          "✨ {sender} ❤️ X ❤️ {target}\n🌸 May this bond be forever beautiful! 🦋"
        )
          .replace(
            /\{sender\}/g,
            name1
          )
          .replace(
            /\{target\}/g,
            name2
          );

      /*
       * ==========================================
       * SEND RESULT
       * ==========================================
       */

      return api.sendMessage(
        {
          body,

          mentions: [
            {
              tag: name1,
              id: senderID
            },
            {
              tag: name2,
              id: targetID
            }
          ],

          attachment:
            fs.createReadStream(
              pathImg
            )
        },

        threadID,

        () => {

          if (
            fs.existsSync(
              pathImg
            )
          ) {
            try {
              fs.unlinkSync(
                pathImg
              );
            } catch {}
          }

        },

        messageID
      );

    } catch (err) {

      console.log(
        "Pair6 Error:",
        err
      );

      return api.sendMessage(
        "❌ | Pair system failed! Please try again.",
        threadID,
        messageID
      );
    }
  }
};