const { createCanvas, loadImage } = require('canvas');
const fs = require('fs');
const path = require("path");

module.exports = {
 config: {
 name: "pair",
 author: 'Nyx x Ariyan',
 category: "love"
 },

 onStart: async function({ api, event, usersData }) { 
 try {
 const senderData = await usersData.get(event.senderID);
 const senderName = senderData.name;
 const threadData = await api.getThreadInfo(event.threadID);
 const users = threadData.userInfo;

 const myData = users.find(user => user.id === event.senderID);
 if (!myData || !myData.gender) {
 return api.sendMessage("❌ Undefined gender, cannot find match.", event.threadID, event.messageID);
 }

 const myGender = myData.gender;
 let matchCandidates = [];

 if (myGender === "MALE") {
 matchCandidates = users.filter(user => user.gender === "FEMALE" && user.id !== event.senderID);
 } else if (myGender === "FEMALE") {
 matchCandidates = users.filter(user => user.gender === "MALE" && user.id !== event.senderID);
 } else {
 return api.sendMessage("❌ Undefined gender, cannot find match.", event.threadID, event.messageID);
 }

 if (matchCandidates.length === 0) {
 return api.sendMessage("😔 No suitable match found in the group.", event.threadID, event.messageID);
 }

 const selectedMatch = matchCandidates[Math.floor(Math.random() * matchCandidates.length)];
 const matchName = selectedMatch.name;
 const lovePercentage = Math.floor(Math.random() * 100) + 1;

 // Canvas part
 const width = 800, height = 400;
 const canvas = createCanvas(width, height);
 const ctx = canvas.getContext('2d');

 const background = await loadImage("https://i.postimg.cc/tRFY2HBm/0602f6fd6933805cf417774fdfab157e.jpg");
 const senderAvatar = await loadImage(await usersData.getAvatarUrl(event.senderID));
 const matchAvatar = await loadImage(await usersData.getAvatarUrl(selectedMatch.id));

 ctx.drawImage(background, 0, 0, width, height);
 ctx.drawImage(senderAvatar, 385, 40, 170, 170);
 ctx.drawImage(matchAvatar, width - 213, 190, 180, 170);

 const outputPath = path.join(__dirname, 'pair_output.png');
 const out = fs.createWriteStream(outputPath);
 const stream = canvas.createPNGStream();
 stream.pipe(out);

 out.on('finish', () => {
 const message = `🥰𝐒𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥 𝐩𝐚𝐢𝐫𝐢𝐧𝐠\n` +
 `• ${senderName}🎀\n` +
 `• ${matchName}🎀\n` +
 `💌𝐖𝐢𝐬𝐡 𝐲𝐨𝐮 𝐭𝐰𝐨 𝐡𝐮𝐧𝐝𝐫𝐞𝐝 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐡𝐚𝐩𝐩𝐢𝐧𝐞𝐬𝐬💕\n\n` +
 `𝐋𝐨𝐯𝐞 𝐩𝐞𝐫𝐜𝐞𝐧𝐭𝐚𝐠𝐞 ${lovePercentage}%💙`;

 api.sendMessage({
 body: message,
 attachment: fs.createReadStream(outputPath)
 }, event.threadID, () => fs.unlinkSync(outputPath), event.messageID);
 });

 } catch (error) {
 console.error(error);
 return api.sendMessage("❌ An error occurred: " + error.message, event.threadID, event.messageID);
 }
 }
};