// code from goatstore
// api: https://store.agi.bd
/**
 * country.js — GoatBot command (Premium canvas card, কোনো API key লাগে না)
 * Author : Zihad
 * ডাটা   : mledoze/countries (jsDelivr/GitHub) + জনসংখ্যা: World Bank + পতাকা: flagcdn
 * দরকার  : npm i canvas axios fs-extra   (GoatBot-এ সাধারণত আগে থেকেই থাকে)
 */
const axios = require("axios");
const fs = require("fs");
const path = require("path");

let canvasLib = null;
try { canvasLib = require("canvas"); } catch (e) { /* canvas না থাকলে টেক্সট মোডে চলবে */ }

const AUTHOR = "Zihad";

const DATA_URLS = [
	"https://cdn.jsdelivr.net/gh/mledoze/countries@master/dist/countries.json",
	"https://fastly.jsdelivr.net/gh/mledoze/countries@master/dist/countries.json",
	"https://raw.githubusercontent.com/mledoze/countries/master/dist/countries.json"
];

// বাংলা নাম -> ইংরেজি (আরও যোগ করতে পারেন)
const BN = {
	"বাংলাদেশ": "Bangladesh", "ভারত": "India", "পাকিস্তান": "Pakistan", "নেপাল": "Nepal",
	"ভুটান": "Bhutan", "শ্রীলঙ্কা": "Sri Lanka", "মালদ্বীপ": "Maldives", "চীন": "China",
	"জাপান": "Japan", "আমেরিকা": "United States", "যুক্তরাষ্ট্র": "United States",
	"যুক্তরাজ্য": "United Kingdom", "ব্রিটেন": "United Kingdom", "সৌদি আরব": "Saudi Arabia",
	"কুয়েত": "Kuwait", "কাতার": "Qatar", "ওমান": "Oman", "দুবাই": "United Arab Emirates",
	"আমিরাত": "United Arab Emirates", "মালয়েশিয়া": "Malaysia", "সিঙ্গাপুর": "Singapore",
	"থাইল্যান্ড": "Thailand", "মিয়ানমার": "Myanmar", "ইন্দোনেশিয়া": "Indonesia",
	"তুরস্ক": "Turkey", "ইরান": "Iran", "ইরাক": "Iraq", "মিশর": "Egypt", "রাশিয়া": "Russia",
	"ফ্রান্স": "France", "জার্মানি": "Germany", "ইতালি": "Italy", "স্পেন": "Spain",
	"কানাডা": "Canada", "অস্ট্রেলিয়া": "Australia", "ব্রাজিল": "Brazil", "আফগানিস্তান": "Afghanistan",
	"দক্ষিণ কোরিয়া": "South Korea", "উত্তর কোরিয়া": "North Korea", "ফিলিস্তিন": "Palestine"
};

/* ───────────────────────── ডাটা ───────────────────────── */

let CACHE = null;

async function loadData() {
	if (CACHE) return CACHE;
	let lastErr;
	for (const url of DATA_URLS) {
		try {
			const res = await axios.get(url, { timeout: 20000, headers: { "User-Agent": "GoatBot-country" } });
			let d = res.data;
			if (typeof d === "string") d = JSON.parse(d);
			if (Array.isArray(d) && d.length > 100) return (CACHE = d);
			lastErr = new Error("Unexpected data format from " + url);
		} catch (e) {
			lastErr = e;
		}
	}
	throw lastErr;
}

const norm = s => String(s || "").toLowerCase().normalize("NFD").replace(/[\u0300-\u036f]/g, "").replace(/[^\p{L}\p{N} ]/gu, "").trim();

function candidates(c) {
	const out = [c.name.common, c.name.official, c.cca2, c.cca3, c.cioc, ...(c.altSpellings || [])];
	for (const t of Object.values(c.translations || {})) out.push(t.common, t.official);
	return out.filter(Boolean).map(norm);
}

function findCountry(list, input) {
	const q = norm(BN[input.trim()] || input);
	if (!q) return null;
	const exact = list.filter(c => candidates(c).includes(q));
	if (exact.length) return exact.sort((a, b) => (b.independent === true) - (a.independent === true))[0];
	const starts = list.filter(c => candidates(c).some(n => n.startsWith(q)));
	const pool = starts.length ? starts : list.filter(c => candidates(c).some(n => n.length > 3 && n.includes(q)));
	if (!pool.length) return null;
	return pool.sort((a, b) =>
		((b.independent === true) - (a.independent === true)) || (a.name.common.length - b.name.common.length)
	)[0];
}

async function getPopulation(cca2) {
	try {
		const { data } = await axios.get(
			`https://api.worldbank.org/v2/country/${cca2}/indicator/SP.POP.TOTL?format=json&mrnev=1`,
			{ timeout: 10000 }
		);
		const row = Array.isArray(data) && Array.isArray(data[1]) ? data[1][0] : null;
		return row && row.value ? { value: Number(row.value), year: row.date } : null;
	} catch (e) {
		return null;
	}
}

function buildInfo(c, list, pop) {
	const byCode = {};
	list.forEach(x => (byCode[x.cca3] = x.name.common));
	const curr = c.currencies ? Object.entries(c.currencies) : [];
	return {
		name: c.name.common,
		official: c.name.official,
		cca2: c.cca2,
		cca3: c.cca3,
		region: c.region || "N/A",
		subregion: c.subregion || "N/A",
		capital: c.capital && c.capital.length ? c.capital.join(", ") : "N/A",
		population: pop ? pop.value.toLocaleString("en-US") : "N/A",
		popYear: pop ? String(pop.year) : "",
		area: c.area ? c.area.toLocaleString("en-US") + " km²" : "N/A",
		currency: curr.length ? curr.map(([k, v]) => `${v.name} (${v.symbol || k})`).join(", ") : "N/A",
		languages: c.languages ? Object.values(c.languages).join(", ") : "N/A",
		calling: c.idd && c.idd.root ? c.idd.root + (c.idd.suffixes && c.idd.suffixes.length === 1 ? c.idd.suffixes[0] : "") : "N/A",
		tld: c.tld && c.tld.length ? c.tld.join(", ") : "N/A",
		borders: c.borders && c.borders.length ? `${c.borders.length} • ` + c.borders.map(b => byCode[b] || b).join(", ") : "None",
		independent: c.independent === true,
		unMember: c.unMember === true,
		landlocked: c.landlocked === true,
		flagEmoji: c.flag || "🏳️"
	};
}

/* ───────────────────── ক্যানভাস ডিজাইন ───────────────────── */

const rgba = (c, a) => `rgba(${c[0]},${c[1]},${c[2]},${a})`;
const mix = (c, t, k) => c.map((v, i) => Math.round(v + (t[i] - v) * k));

function rr(ctx, x, y, w, h, r) {
	ctx.beginPath();
	ctx.moveTo(x + r, y);
	ctx.arcTo(x + w, y, x + w, y + h, r);
	ctx.arcTo(x + w, y + h, x, y + h, r);
	ctx.arcTo(x, y + h, x, y, r);
	ctx.arcTo(x, y, x + w, y, r);
	ctx.closePath();
}

function spaced(ctx, text, x, y, sp) {
	for (const ch of text) {
		ctx.fillText(ch, x, y);
		x += ctx.measureText(ch).width + sp;
	}
	return x;
}

function spacedWidth(ctx, text, sp) {
	let w = 0;
	for (const ch of text) w += ctx.measureText(ch).width + sp;
	return w - sp;
}

function fitFont(ctx, text, weight, maxSize, minSize, maxW) {
	let s = maxSize;
	for (; s > minSize; s -= 2) {
		ctx.font = `${weight} ${s}px sans-serif`;
		if (ctx.measureText(text).width <= maxW) return s;
	}
	ctx.font = `${weight} ${minSize}px sans-serif`;
	return minSize;
}

function wrap(ctx, text, maxW, maxLines) {
	const words = String(text).split(" ");
	const lines = [];
	let cur = "";
	for (const w of words) {
		const t = cur ? cur + " " + w : w;
		if (ctx.measureText(t).width <= maxW) cur = t;
		else { if (cur) lines.push(cur); cur = w; }
	}
	if (cur) lines.push(cur);
	if (lines.length > maxLines) {
		const keep = lines.slice(0, maxLines);
		let last = keep[maxLines - 1];
		while (last.length > 1 && ctx.measureText(last + "…").width > maxW) last = last.slice(0, -1);
		keep[maxLines - 1] = last + "…";
		return keep;
	}
	return lines;
}

// পতাকা থেকে দুটো প্রধান রঙ বের করে
function palette(createCanvas, img) {
	const def = [[245, 197, 66], [124, 92, 255]];
	if (!img) return def;
	try {
		const s = createCanvas(32, 20), g = s.getContext("2d");
		g.drawImage(img, 0, 0, 32, 20);
		const d = g.getImageData(0, 0, 32, 20).data;
		const buckets = {};
		for (let i = 0; i < d.length; i += 4) {
			const r = d[i], gg = d[i + 1], b = d[i + 2];
			const mx = Math.max(r, gg, b), mn = Math.min(r, gg, b);
			const lum = (r + gg + b) / 3, sat = (mx - mn) / (mx || 1);
			if (lum < 35 || lum > 235 || sat < 0.35) continue;
			const k = (r >> 6) + "," + (gg >> 6) + "," + (b >> 6);
			const o = buckets[k] || (buckets[k] = { n: 0, r: 0, g: 0, b: 0 });
			o.n++; o.r += r; o.g += gg; o.b += b;
		}
		const arr = Object.values(buckets).sort((a, b) => b.n - a.n).map(o => [o.r / o.n, o.g / o.n, o.b / o.n].map(Math.round));
		const lift = c => (c[0] + c[1] + c[2] < 330 ? mix(c, [255, 255, 255], 0.35) : c);
		const a1 = arr[0] ? lift(arr[0]) : def[0];
		let a2 = arr.find(c => Math.abs(c[0] - a1[0]) + Math.abs(c[1] - a1[1]) + Math.abs(c[2] - a1[2]) > 120);
		a2 = a2 ? lift(a2) : mix(def[1], a1, 0.25);
		return [a1, a2];
	} catch (e) {
		return def;
	}
}

function drawCard(createCanvas, flagImg, info) {
	const W = 1280, H = 760;
	const cv = createCanvas(W, H);
	const ctx = cv.getContext("2d");
	const [A1, A2] = palette(createCanvas, flagImg);
	const WHITE = [255, 255, 255];

	// ── ব্যাকগ্রাউন্ড ──
	ctx.fillStyle = "#070914";
	ctx.fillRect(0, 0, W, H);

	if (flagImg) {
		const t1 = createCanvas(16, 10);
		t1.getContext("2d").drawImage(flagImg, 0, 0, 16, 10);
		const t2 = createCanvas(160, 95);
		const g2 = t2.getContext("2d");
		g2.imageSmoothingEnabled = true;
		g2.drawImage(t1, 0, 0, 160, 95);
		ctx.imageSmoothingEnabled = true;
		ctx.globalAlpha = 0.6;
		ctx.drawImage(t2, 0, 0, W, H);
		ctx.globalAlpha = 1;
	}
	let g = ctx.createLinearGradient(0, 0, W, H);
	g.addColorStop(0, "rgba(7,9,20,0.80)");
	g.addColorStop(1, "rgba(7,9,20,0.94)");
	ctx.fillStyle = g;
	ctx.fillRect(0, 0, W, H);

	g = ctx.createRadialGradient(220, 200, 0, 220, 200, 560);
	g.addColorStop(0, rgba(A1, 0.30));
	g.addColorStop(1, rgba(A1, 0));
	ctx.fillStyle = g;
	ctx.fillRect(0, 0, W, H);

	g = ctx.createRadialGradient(1100, 650, 0, 1100, 650, 560);
	g.addColorStop(0, rgba(A2, 0.26));
	g.addColorStop(1, rgba(A2, 0));
	ctx.fillStyle = g;
	ctx.fillRect(0, 0, W, H);

	ctx.fillStyle = "rgba(255,255,255,0.045)";
	for (let x = 20; x < W; x += 30) for (let y = 20; y < H; y += 30) ctx.fillRect(x, y, 2, 2);

	// ── মূল গ্লাস প্যানেল ──
	rr(ctx, 28, 28, W - 56, H - 56, 36);
	ctx.fillStyle = "rgba(255,255,255,0.045)";
	ctx.fill();
	g = ctx.createLinearGradient(28, 28, W - 28, H - 28);
	g.addColorStop(0, rgba(A1, 0.85));
	g.addColorStop(0.5, "rgba(255,255,255,0.12)");
	g.addColorStop(1, rgba(A2, 0.85));
	ctx.lineWidth = 2.5;
	ctx.strokeStyle = g;
	ctx.stroke();

	// ── হেডার ট্যাগ ──
	rr(ctx, 70, 64, 214, 36, 18);
	ctx.fillStyle = rgba(A1, 0.16);
	ctx.fill();
	ctx.lineWidth = 1.5;
	ctx.strokeStyle = rgba(A1, 0.8);
	ctx.stroke();
	ctx.fillStyle = rgba(mix(A1, WHITE, 0.55), 1);
	ctx.font = "bold 14px sans-serif";
	spaced(ctx, "COUNTRY  INFO", 92, 87, 2.5);

	// ── পতাকা ──
	const FX = 70, FY = 140, FW = 400;
	let fh = 270, fw = FW;
	if (flagImg) {
		fh = Math.round(FW * flagImg.height / flagImg.width);
		if (fh > 290) { fh = 290; fw = Math.round(fh * flagImg.width / flagImg.height); }
	}
	const fx = FX + Math.round((FW - fw) / 2);
	ctx.save();
	ctx.shadowColor = rgba(A1, 0.75);
	ctx.shadowBlur = 55;
	rr(ctx, fx, FY, fw, fh, 22);
	ctx.fillStyle = "#101426";
	ctx.fill();
	ctx.restore();
	if (flagImg) {
		ctx.save();
		rr(ctx, fx, FY, fw, fh, 22);
		ctx.clip();
		ctx.drawImage(flagImg, fx, FY, fw, fh);
		const sh = ctx.createLinearGradient(fx, FY, fx + fw, FY + fh);
		sh.addColorStop(0, "rgba(255,255,255,0.22)");
		sh.addColorStop(0.45, "rgba(255,255,255,0)");
		sh.addColorStop(1, "rgba(0,0,0,0.22)");
		ctx.fillStyle = sh;
		ctx.fillRect(fx, FY, fw, fh);
		ctx.restore();
	} else {
		ctx.fillStyle = "rgba(255,255,255,0.8)";
		ctx.font = "bold 90px sans-serif";
		ctx.textAlign = "center";
		ctx.fillText(info.cca2, fx + fw / 2, FY + fh / 2 + 30);
		ctx.textAlign = "left";
	}
	rr(ctx, fx, FY, fw, fh, 22);
	ctx.lineWidth = 3;
	ctx.strokeStyle = "rgba(255,255,255,0.4)";
	ctx.stroke();

	// ── ব্যাজ ──
	const pill = (x, y, text, col) => {
		ctx.font = "bold 18px sans-serif";
		const w = Math.min(ctx.measureText(text).width + 40, 400);
		rr(ctx, x, y, w, 42, 21);
		ctx.fillStyle = rgba(col, 0.2);
		ctx.fill();
		ctx.lineWidth = 1.5;
		ctx.strokeStyle = rgba(col, 0.75);
		ctx.stroke();
		ctx.fillStyle = "#ffffff";
		ctx.fillText(text, x + 20, y + 28);
		return w;
	};
	const py = FY + fh + 34;
	pill(70, py, `${info.cca2}  •  ${info.cca3}`, A1);
	pill(70, py + 54, info.region, A2);

	// ── স্ট্যাটাস লাইন ──
	const flags = [
		["Independent", info.independent],
		["UN Member", info.unMember],
		["Landlocked", info.landlocked]
	];
	let sy = py + 134;
	flags.forEach(([label, on]) => {
		ctx.beginPath();
		ctx.arc(84, sy - 6, 7, 0, Math.PI * 2);
		ctx.fillStyle = on ? "#3ddc97" : "rgba(255,255,255,0.22)";
		ctx.fill();
		ctx.fillStyle = on ? "#ffffff" : "rgba(255,255,255,0.55)";
		ctx.font = "600 19px sans-serif";
		ctx.fillText(`${label}: ${on ? "Yes" : "No"}`, 106, sy);
		sy += 34;
	});

	// ── নাম ──
	const RX = 520, RW = 700;
	ctx.fillStyle = "#ffffff";
	const ns = fitFont(ctx, info.name, "bold", 84, 36, RW);
	ctx.shadowColor = rgba(A1, 0.5);
	ctx.shadowBlur = 24;
	ctx.fillText(info.name, RX, 128 + ns * 0.75);
	ctx.shadowBlur = 0;
	ctx.shadowColor = "transparent";

	ctx.fillStyle = "rgba(255,255,255,0.62)";
	fitFont(ctx, info.official, "500", 22, 13, RW);
	ctx.fillText(info.official, RX, 128 + ns * 0.75 + 36);

	const dy = 128 + ns * 0.75 + 58;
	g = ctx.createLinearGradient(RX, 0, RX + RW, 0);
	g.addColorStop(0, rgba(A1, 1));
	g.addColorStop(0.6, rgba(A2, 0.7));
	g.addColorStop(1, rgba(A2, 0));
	ctx.fillStyle = g;
	rr(ctx, RX, dy, RW, 4, 2);
	ctx.fill();

	// ── স্ট্যাট কার্ড ──
	const items = [
		["CAPITAL", info.capital],
		["POPULATION" + (info.popYear ? "  •  " + info.popYear : ""), info.population],
		["AREA", info.area],
		["CURRENCY", info.currency],
		["LANGUAGES", info.languages],
		["CALLING CODE", info.calling],
		["SUBREGION", info.subregion],
		["DOMAIN", info.tld],
		["BORDERS", info.borders]
	];
	const CW = 220, CH = 112, GAP = 18;
	const top = Math.max(dy + 28, 286);
	const rowStep = Math.min(CH + 16, Math.floor((H - 100 - top) / 3));
	const ch = rowStep - 16;

	items.forEach(([label, value], i) => {
		const col = i % 3, row = Math.floor(i / 3);
		const x = RX + col * (CW + GAP);
		const y = top + row * rowStep;

		rr(ctx, x, y, CW, ch, 20);
		ctx.fillStyle = "rgba(255,255,255,0.065)";
		ctx.fill();
		ctx.lineWidth = 1.5;
		ctx.strokeStyle = "rgba(255,255,255,0.13)";
		ctx.stroke();

		const bar = ctx.createLinearGradient(0, y + 16, 0, y + 42);
		bar.addColorStop(0, rgba(A1, 1));
		bar.addColorStop(1, rgba(A2, 1));
		ctx.fillStyle = bar;
		rr(ctx, x + 16, y + 17, 4, 22, 2);
		ctx.fill();

		ctx.fillStyle = "rgba(255,255,255,0.58)";
		ctx.font = "bold 12px sans-serif";
		spaced(ctx, label, x + 30, y + 33, 1.6);

		ctx.fillStyle = "#ffffff";
		const maxW = CW - 36;
		ctx.font = "bold 28px sans-serif";
		const single = ctx.measureText(value).width;
		if (single <= maxW) {
			ctx.fillText(value, x + 18, y + ch - 30);
		} else {
			const fs = fitFont(ctx, value, "bold", 26, 20, maxW);
			if (ctx.measureText(value).width <= maxW) {
				ctx.fillText(value, x + 18, y + ch - 30);
			} else {
				ctx.font = "bold 18px sans-serif";
				const lines = wrap(ctx, value, maxW, 2);
				const base = y + ch - 24 - (lines.length - 1) * 22;
				lines.forEach((ln, k) => ctx.fillText(ln, x + 18, base + k * 22));
			}
		}
	});

	// ── ফুটার ──
	const fy = H - 52;
	ctx.fillStyle = rgba(A1, 1);
	ctx.beginPath();
	ctx.moveTo(70, fy - 6);
	ctx.lineTo(78, fy - 14);
	ctx.lineTo(86, fy - 6);
	ctx.lineTo(78, fy + 2);
	ctx.closePath();
	ctx.fill();
	ctx.fillStyle = "rgba(255,255,255,0.8)";
	ctx.font = "600 17px sans-serif";
	spaced(ctx, "AUTHOR  •  " + AUTHOR.toUpperCase(), 98, fy, 2);

	const rt = "GOATBOT  •  WORLD COUNTRY INFO";
	ctx.fillStyle = "rgba(255,255,255,0.5)";
	ctx.font = "600 15px sans-serif";
	const rw = spacedWidth(ctx, rt, 2);
	spaced(ctx, rt, W - 70 - rw, fy, 2);

	return cv;
}

/* ───────────────────── টেক্সট ফলব্যাক ───────────────────── */

function buildText(i) {
	return [
		`${i.flagEmoji} ${i.name}`,
		"━━━━━━━━━━━━━━━━━━",
		`📛 Official: ${i.official}`,
		`🔤 Code: ${i.cca2} / ${i.cca3}`,
		`🏙️ Capital: ${i.capital}`,
		`🌍 Region: ${i.region} / ${i.subregion}`,
		`👥 Population: ${i.population}${i.popYear ? " (" + i.popYear + ")" : ""}`,
		`📐 Area: ${i.area}`,
		`💰 Currency: ${i.currency}`,
		`🗣️ Languages: ${i.languages}`,
		`📞 Calling code: ${i.calling}`,
		`🌐 Domain: ${i.tld}`,
		`🤝 Borders: ${i.borders}`,
		`✍️ Author: ${AUTHOR}`
	].join("\n");
}

/* ───────────────────────── কমান্ড ───────────────────────── */

module.exports = {
	config: {
		name: "country",
		aliases: ["desh", "nation"],
		version: "4.0",
		author: AUTHOR,
		countDown: 5,
		role: 0,
		description: { en: "Premium country info card for any country in the world" },
		category: "info",
		guide: { en: "{pn} <country name | code>\nExample: {pn} Bangladesh | {pn} BD | {pn} বাংলাদেশ | {pn} chine" }
	},

	drawCard, // টেস্টের জন্য

	onStart: async function ({ message, args }) {
		const query = args.join(" ").trim();
		if (!query)
			return message.reply("❌ একটি দেশের নাম দিন।\nউদাহরণ: country Bangladesh");

		let list;
		try {
			list = await loadData();
		} catch (err) {
			console.error("[country] data error:", err.message);
			return message.reply(`❌ ডাটা লোড করা যায়নি।\nকারণ: ${err.code || (err.response && err.response.status) || err.message}`);
		}

		const c = findCountry(list, query);
		if (!c) return message.reply(`❌ "${query}" নামে কোনো দেশ পাওয়া যায়নি।`);

		const pop = await getPopulation(c.cca2);
		const info = buildInfo(c, list, pop);
		const caption = `${info.flagEmoji} ${info.name}\n🗺️ https://www.google.com/maps/search/?api=1&query=${encodeURIComponent(info.name)}`;

		// ক্যানভাস কার্ড
		if (canvasLib) {
			let file;
			try {
				let flagImg = null;
				try {
					const r = await axios.get(`https://flagcdn.com/w640/${info.cca2.toLowerCase()}.png`, {
						responseType: "arraybuffer",
						timeout: 15000
					});
					flagImg = await canvasLib.loadImage(Buffer.from(r.data));
				} catch (e) {
					console.error("[country] flag error:", e.message);
				}

				const cv = drawCard(canvasLib.createCanvas, flagImg, info);
				const dir = path.join(__dirname, "cache");
				if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
				file = path.join(dir, `country_${Date.now()}.png`);
				fs.writeFileSync(file, cv.toBuffer("image/png"));

				await message.reply({ body: caption, attachment: fs.createReadStream(file) });
				return fs.unlink(file, () => {});
			} catch (err) {
				console.error("[country] canvas error:", err);
				if (file) fs.unlink(file, () => {});
			}
		}

		// ফলব্যাক: সাধারণ টেক্সট
		return message.reply(buildText(info));
	}
};