const fs = require("fs-extra");
const axios = require("axios");
const { loadImage, createCanvas } = require("canvas");

const TEMPLATE_URL = "https://i.ibb.co.com/j9rvmth5/Picsart-26-09-09-06-10-29-110.jpg";
const BOTTOM_SLOT = { x: 2, y: 377, w: 354, h: 341 };

module.exports = {
        config: {
                name: "bondhu",
    aliases: ["bondu"],
                version: "1.0.2",
                author: "EryXenX",
                countDown: 5,
                role: 0,
                description: {
                        en: "Funny meme with a mentioned or replied user's avatar",
                        bn: "Mention/reply kora user er avatar diye funny meme"
                },
                category: "fun",
                guide: {
                        en: "{pn} @mention or reply to a message"
                }
        },

        langs: {
                en: { noMention: "❌ | Mention someone or reply to a message!", error: "❌ | Failed to generate. Try again." },
                bn: { noMention: "❌ | কাউকে mention করুন বা reply করুন!", error: "❌ | তৈরি করতে সমস্যা হয়েছে।" }
        },

        onStart: async function ({ event, message, getLang, args }) {
                try {
                        const targetID = Object.keys(event.mentions)[0]
                                || (event.messageReply ? event.messageReply.senderID : null)
                                || (args[0] && /^\d+$/.test(args[0]) ? args[0] : null)
                                || event.senderID;

                        const ts = Date.now();
                        const avtPath = __dirname + "/cache/bondhu_avt_" + ts + ".jpg";
                        const outputPath = __dirname + "/cache/bondhu_out_" + ts + ".png";

                        const [avatarRes, templateRes] = await Promise.all([
                                axios.get("https://graph.facebook.com/" + targetID + "/picture?height=720&width=720&access_token=6628568379%7Cc1e620fa708a1d5696fb991c1bde5662", { responseType: "arraybuffer" }),
                                axios.get(TEMPLATE_URL, { responseType: "arraybuffer" })
                        ]);

                        fs.writeFileSync(avtPath, Buffer.from(avatarRes.data));

                        const avatar = await loadImage(avtPath);
                        const template = await loadImage(Buffer.from(templateRes.data));

                        const canvas = createCanvas(template.width, template.height);
                        const ctx = canvas.getContext("2d");

                        ctx.drawImage(template, 0, 0, template.width, template.height);

                        ctx.save();
                        ctx.beginPath();
                        ctx.rect(BOTTOM_SLOT.x, BOTTOM_SLOT.y, BOTTOM_SLOT.w, BOTTOM_SLOT.h);
                        ctx.clip();
                        drawCoverImage(ctx, avatar, BOTTOM_SLOT.x, BOTTOM_SLOT.y, BOTTOM_SLOT.w, BOTTOM_SLOT.h);
                        ctx.restore();

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

                        await message.reply({ attachment: fs.createReadStream(outputPath) });

                        [avtPath, outputPath].forEach(p => { try { fs.unlinkSync(p); } catch (_) {} });

                } catch (err) {
                        console.error("Bondhu Error:", err);
                        message.reply(getLang("error"));
                }
        }
};

function drawCoverImage(ctx, img, x, y, w, h) {
        const scale = Math.max(w / img.width, h / img.height);
        const dw = img.width * scale;
        const dh = img.height * scale;
        const dx = x + (w - dw) / 2;
        const dy = y + (h - dh) / 2;
        ctx.drawImage(img, dx, dy, dw, dh);
}