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

module.exports = {
  config: {
    name: "pair4",
    version: "2.0.0",
    author: "𝐌𝐚𝐑𝐮𝐅",
    role: 0,
    countDown: 5,
    shortDescription: "Futuristic romantic pair system",
    category: "FUN & SOCIAL"
  },

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

    try {

      /*
       * ==========================================
       * TARGET SYSTEM
       * ==========================================
       *
       * Priority:
       * 1. Reply করা ব্যক্তির সাথে pair
       * 2. Mention করা ব্যক্তির সাথে pair
       * 3. Mention/Reply না থাকলে sender-এর জন্য pair
       */

      let targetID = senderID;
      let targetName = null;

      // 1️⃣ REPLY SYSTEM
      if (
        messageReply &&
        messageReply.senderID
      ) {
        targetID = messageReply.senderID;

        try {
          const userData =
            await usersData.get(targetID);

          targetName =
            userData.name || "User";
        } catch {
          targetName = "User";
        }
      }

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

        try {
          const userData =
            await usersData.get(targetID);

          targetName =
            userData.name || "User";
        } catch {
          targetName = "User";
        }
      }

      const loading =
        await api.sendMessage(
          "💫 | Finding your perfect partner...",
          threadID
        );

      /*
       * ==========================================
       * GET USER + GROUP DATA
       * ==========================================
       */

      const [
        senderData,
        threadInfo
      ] = await Promise.all([
        usersData.get(targetID),
        api.getThreadInfo(threadID)
      ]);

      const senderName =
        targetName ||
        senderData.name ||
        "User";

      const senderGender =
        senderData.gender;

      /*
       * ==========================================
       * GROUP MEMBERS
       * ==========================================
       */

      const members =
        threadInfo.participantIDs.filter(
          uid =>
            uid != targetID &&
            uid != api.getCurrentUserID()
        );

      if (!members.length) {

        if (loading?.messageID) {
          try {
            await api.unsendMessage(
              loading.messageID,
              threadID
            );
          } catch {}
        }

        return api.sendMessage(
          "❌ No other members found in this group.",
          threadID,
          messageID
        );
      }

      /*
       * ==========================================
       * TARGET GENDER
       * ==========================================
       */

      let targetGender;

      if (senderGender === 1) {
        targetGender = 2;
      }

      else if (senderGender === 2) {
        targetGender = 1;
      }

      else {
        targetGender =
          Math.random() > 0.5
            ? 1
            : 2;
      }

      let partnerList = [];

      /*
       * ==========================================
       * RANDOM MEMBERS
       * ==========================================
       */

      const randomMembers =
        members.sort(
          () => 0.5 - Math.random()
        );

      /*
       * ==========================================
       * FIND PARTNER BY GENDER
       * ==========================================
       */

      for (const uid of randomMembers) {

        try {

          const data =
            await usersData.get(uid);

          if (
            data &&
            data.gender === targetGender
          ) {

            partnerList.push({
              id: uid,
              name:
                data.name || "Someone",
              gender:
                data.gender
            });
          }

        } catch {}
      }

      let partner;

      /*
       * ==========================================
       * SELECT PARTNER
       * ==========================================
       */

      if (partnerList.length > 0) {

        partner =
          partnerList[
            Math.floor(
              Math.random() *
              partnerList.length
            )
          ];

      } else {

        let fallbackPartner = null;

        for (const uid of randomMembers) {

          try {

            const data =
              await usersData.get(uid);

            if (
              data &&
              data.gender !== senderGender &&
              data.gender !== undefined
            ) {

              fallbackPartner = {
                id: uid,
                name:
                  data.name || "Someone",
                gender:
                  data.gender
              };

              break;
            }

          } catch {}
        }

        if (fallbackPartner) {

          partner =
            fallbackPartner;

        } else {

          const fallbackId =
            randomMembers[
              Math.floor(
                Math.random() *
                randomMembers.length
              )
            ];

          partner = {
            id: fallbackId,
            name: "Someone Special",
            gender: targetGender
          };
        }
      }

      /*
       * ==========================================
       * FINAL GENDER CHECK
       * ==========================================
       */

      if (
        partner.gender === senderGender &&
        senderGender !== undefined
      ) {

        for (const uid of randomMembers) {

          try {

            const data =
              await usersData.get(uid);

            if (
              data &&
              data.gender !== senderGender &&
              data.gender !== undefined
            ) {

              partner = {
                id: uid,
                name:
                  data.name || "Someone",
                gender:
                  data.gender
              };

              break;
            }

          } catch {}
        }
      }

      /*
       * ==========================================
       * COMPATIBILITY
       * ==========================================
       */

      const match =
        Math.floor(
          Math.random() * 31
        ) + 70;

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

      const canvas =
        Canvas.createCanvas(
          1600,
          900
        );

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

      const width =
        canvas.width;

      const height =
        canvas.height;

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

      const bg =
        ctx.createLinearGradient(
          0,
          0,
          width,
          height
        );

      bg.addColorStop(
        0,
        "#050816"
      );

      bg.addColorStop(
        0.35,
        "#101b3d"
      );

      bg.addColorStop(
        0.65,
        "#24114d"
      );

      bg.addColorStop(
        1,
        "#050816"
      );

      ctx.fillStyle = bg;

      ctx.fillRect(
        0,
        0,
        width,
        height
      );

      /*
       * ==========================================
       * CYAN STARS
       * ==========================================
       */

      for (let i = 0; i < 160; i++) {

        const x =
          Math.random() * width;

        const y =
          Math.random() * height;

        const size =
          Math.random() * 3 + 1;

        ctx.beginPath();

        ctx.arc(
          x,
          y,
          size,
          0,
          Math.PI * 2
        );

        ctx.fillStyle =
          `rgba(0, 230, 255, ${
            Math.random() * 0.6
          })`;

        ctx.fill();
      }

      /*
       * ==========================================
       * PINK PARTICLES
       * ==========================================
       */

      for (let i = 0; i < 70; i++) {

        const x =
          Math.random() * width;

        const y =
          Math.random() * height;

        ctx.fillStyle =
          `rgba(255, 0, 180, ${
            Math.random() * 0.3
          })`;

        ctx.fillRect(
          x,
          y,
          2,
          2
        );
      }

      /*
       * ==========================================
       * OUTER BORDER
       * ==========================================
       */

      ctx.strokeStyle =
        "rgba(0, 240, 255, 0.7)";

      ctx.lineWidth = 4;

      ctx.shadowBlur = 25;

      ctx.shadowColor =
        "#00eaff";

      ctx.strokeRect(
        20,
        20,
        width - 40,
        height - 40
      );

      ctx.shadowBlur = 0;

      ctx.strokeStyle =
        "rgba(255, 0, 200, 0.35)";

      ctx.lineWidth = 2;

      ctx.strokeRect(
        32,
        32,
        width - 64,
        height - 64
      );

      /*
       * ==========================================
       * HEADER
       * ==========================================
       */

      ctx.textAlign =
        "center";

      ctx.fillStyle =
        "#ffffff";

      ctx.shadowColor =
        "#00eaff";

      ctx.shadowBlur = 18;

      ctx.font =
        "bold 68px Arial";

      ctx.fillText(
        "PAIR CONNECTION",
        width / 2,
        105
      );

      ctx.shadowBlur = 0;

      ctx.fillStyle =
        "#00eaff";

      ctx.font =
        "bold 28px Arial";

      ctx.fillText(
        "✦ COMPATIBILITY ANALYSIS ✦",
        width / 2,
        150
      );

      /*
       * ==========================================
       * FACEBOOK PROFILE PICTURES
       * ==========================================
       */

      const token =
        "6628568379|c1e620fa708a1d5696fb991c1bde5662";

      const avt1 =
        `https://graph.facebook.com/${targetID}/picture?width=1024&height=1024&access_token=${token}`;

      const avt2 =
        `https://graph.facebook.com/${partner.id}/picture?width=1024&height=1024&access_token=${token}`;

      async function loadImage(url) {

        const response =
          await axios.get(
            url,
            {
              responseType:
                "arraybuffer",

              headers: {
                "User-Agent":
                  "Mozilla/5.0"
              },

              timeout: 15000
            }
          );

        return Canvas.loadImage(
          response.data
        );
      }

      const [
        img1,
        img2
      ] = await Promise.all([
        loadImage(avt1),
        loadImage(avt2)
      ]);

      /*
       * ==========================================
       * DRAW TECH AVATAR
       * ==========================================
       */

      function drawTechAvatar(
        img,
        x,
        y
      ) {

        const size = 330;

        ctx.save();

        ctx.shadowColor =
          "#00eaff";

        ctx.shadowBlur = 35;

        ctx.strokeStyle =
          "#00eaff";

        ctx.lineWidth = 8;

        ctx.beginPath();

        ctx.arc(
          x + size / 2,
          y + size / 2,
          size / 2 + 20,
          0,
          Math.PI * 2
        );

        ctx.stroke();

        ctx.shadowColor =
          "#ff00c8";

        ctx.shadowBlur = 25;

        ctx.strokeStyle =
          "#ff00c8";

        ctx.lineWidth = 5;

        ctx.beginPath();

        ctx.arc(
          x + size / 2,
          y + size / 2,
          size / 2 + 8,
          0,
          Math.PI * 2
        );

        ctx.stroke();

        ctx.shadowBlur = 0;

        ctx.save();

        ctx.beginPath();

        ctx.arc(
          x + size / 2,
          y + size / 2,
          size / 2 - 5,
          0,
          Math.PI * 2
        );

        ctx.clip();

        ctx.drawImage(
          img,
          x,
          y,
          size,
          size
        );

        ctx.restore();

        ctx.strokeStyle =
          "rgba(255,255,255,0.9)";

        ctx.lineWidth = 3;

        ctx.beginPath();

        ctx.arc(
          x + size / 2,
          y + size / 2,
          size / 2 - 5,
          0,
          Math.PI * 2
        );

        ctx.stroke();

        ctx.restore();

        ctx.fillStyle =
          "#00eaff";

        ctx.font =
          "bold 25px Arial";

        ctx.textAlign =
          "center";

        ctx.fillText(
          "● CONNECTED",
          x + size / 2,
          y + size + 55
        );
      }

      drawTechAvatar(
        img1,
        180,
        250
      );

      drawTechAvatar(
        img2,
        1090,
        250
      );

      /*
       * ==========================================
       * HEART
       * ==========================================
       */

      ctx.shadowColor =
        "#ff00c8";

      ctx.shadowBlur = 30;

      ctx.fillStyle =
        "#ff00c8";

      ctx.font =
        "bold 135px Arial";

      ctx.fillText(
        "♥",
        width / 2,
        390
      );

      ctx.shadowBlur = 0;

      /*
       * ==========================================
       * MATCH PERCENTAGE
       * ==========================================
       */

      ctx.fillStyle =
        "#ffffff";

      ctx.font =
        "bold 60px Arial";

      ctx.fillText(
        `${match}%`,
        width / 2,
        505
      );

      ctx.fillStyle =
        "#00eaff";

      ctx.font =
        "bold 25px Arial";

      const compatibility =
        match > 85
          ? "PERFECT CONNECTION"
          : match > 75
          ? "STRONG CONNECTION"
          : "GOOD CONNECTION";

      ctx.fillText(
        compatibility,
        width / 2,
        550
      );

      /*
       * ==========================================
       * PROGRESS CIRCLE
       * ==========================================
       */

      ctx.strokeStyle =
        "rgba(0,234,255,0.25)";

      ctx.lineWidth = 16;

      ctx.beginPath();

      ctx.arc(
        width / 2,
        465,
        105,
        0,
        Math.PI * 2
      );

      ctx.stroke();

      const progress =
        (match / 100) *
        Math.PI *
        2;

      ctx.strokeStyle =
        "#00eaff";

      ctx.lineWidth = 16;

      ctx.beginPath();

      ctx.arc(
        width / 2,
        465,
        105,
        -Math.PI / 2,
        -Math.PI / 2 + progress
      );

      ctx.stroke();

      /*
       * ==========================================
       * DISPLAY NAMES
       * ==========================================
       */

      ctx.shadowColor =
        "#ff00c8";

      ctx.shadowBlur = 15;

      ctx.fillStyle =
        "#ffffff";

      ctx.font =
        "bold 42px Arial";

      let displayName1 =
        String(senderName);

      let displayName2 =
        String(partner.name);

      if (
        displayName1.length > 18
      ) {

        displayName1 =
          displayName1.substring(
            0,
            18
          ) + "...";
      }

      if (
        displayName2.length > 18
      ) {

        displayName2 =
          displayName2.substring(
            0,
            18
          ) + "...";
      }

      ctx.fillText(
        displayName1,
        345,
        680
      );

      ctx.fillText(
        displayName2,
        1255,
        680
      );

      ctx.shadowBlur = 0;

      /*
       * ==========================================
       * VS
       * ==========================================
       */

      ctx.fillStyle =
        "#ff00c8";

      ctx.font =
        "bold 32px Arial";

      ctx.fillText(
        "VS",
        width / 2,
        680
      );

      /*
       * ==========================================
       * FOOTER
       * ==========================================
       */

      ctx.fillStyle =
        "#ffffff";

      ctx.font =
        "bold 36px Arial";

      ctx.fillText(
        "✦ PERFECT PAIR ✦",
        width / 2,
        750
      );

      ctx.fillStyle =
        "#00eaff";

      ctx.font =
        "24px Arial";

      ctx.fillText(
        "💫 TWO PROFILES • ONE CONNECTION 💫",
        width / 2,
        795
      );

      ctx.fillStyle =
        "rgba(255,255,255,0.45)";

      ctx.font =
        "18px Arial";

      ctx.fillText(
        "PAIR4 SYSTEM",
        width / 2,
        835
      );

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

      const cacheDir =
        path.join(
          __dirname,
          "cache"
        );

      if (
        !fs.existsSync(
          cacheDir
        )
      ) {

        fs.mkdirSync(
          cacheDir,
          {
            recursive: true
          }
        );
      }

      const filePath =
        path.join(
          cacheDir,
          `pair4_${Date.now()}.png`
        );

      fs.writeFileSync(
        filePath,
        canvas.toBuffer()
      );

      /*
       * ==========================================
       * REMOVE LOADING
       * ==========================================
       */

      if (
        loading &&
        loading.messageID
      ) {

        try {
          await api.unsendMessage(
            loading.messageID,
            threadID
          );
        } catch {}
      }

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

      const emoji =
        match > 85
          ? "💞"
          : match > 75
          ? "💗"
          : "💕";

      const compatibilityText =
        match > 85
          ? "Perfect"
          : match > 75
          ? "Great"
          : "Good";

      const genderEmoji1 =
        senderGender === 1
          ? "👦"
          : senderGender === 2
          ? "👧"
          : "👤";

      const genderEmoji2 =
        partner.gender === 1
          ? "👦"
          : partner.gender === 2
          ? "👧"
          : "👤";

      const msg =
`${emoji} 𝐏𝐀𝐈𝐑 𝟒

${genderEmoji1} ${senderName} ✦ ${genderEmoji2} ${partner.name}
📊 ${match}% ${compatibilityText} Match
💘 Status: Matched!`;

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

      return api.sendMessage(
        {
          body: msg,
          attachment:
            fs.createReadStream(
              filePath
            )
        },
        threadID,
        () => {

          if (
            fs.existsSync(
              filePath
            )
          ) {

            try {
              fs.unlinkSync(
                filePath
              );
            } catch {}
          }
        },
        messageID
      );

    } catch (err) {

      console.log(
        "Pair4 Error:",
        err
      );

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