import fs from 'node:fs';
import path from 'node:path';
import { createRequire } from 'node:module';

const require = createRequire(import.meta.url);
const nodePathEntries = (process.env.NODE_PATH || '')
	.split(path.delimiter)
	.filter(Boolean);
const resolveOptions = nodePathEntries.length > 0 ? { paths: nodePathEntries } : undefined;
const { chromium } = require(require.resolve('playwright', resolveOptions));

const url = process.env.FARM_GODOT_URL || 'http://127.0.0.1:8792/index.html';
const outDir = process.env.FARM_SMOKE_OUT || path.resolve('docs/ui-baseline/smoke');
const waitMs = Number(process.env.FARM_SMOKE_WAIT_MS || 900);
const errors = [];

fs.mkdirSync(outDir, { recursive: true });
for (const file of fs.readdirSync(outDir)) {
	if (file.endsWith('.png')) {
		fs.unlinkSync(path.join(outDir, file));
	}
}

const browser = await chromium.launch({ headless: true });
const page = await browser.newPage({ viewport: { width: 640, height: 960 }, deviceScaleFactor: 1 });
page.on('pageerror', error => errors.push(`pageerror: ${error.message}`));
page.on('console', message => {
	if (message.type() === 'error') {
		errors.push(`console: ${message.text()}`);
	}
});

async function shot(name) {
	await page.screenshot({ path: path.join(outDir, `${name}.png`), fullPage: false });
}

async function waitForGame() {
	await page.waitForFunction(() => {
		const canvas = document.querySelector('canvas');
		return canvas && canvas.clientWidth > 0 && canvas.clientHeight > 0;
	}, { timeout: 60000 });
	await page.waitForTimeout(7000);
}

async function clickShot(name, x, y) {
	await page.mouse.click(x, y);
	await page.waitForTimeout(waitMs);
	await shot(name);
}

async function closePanel() {
	await page.mouse.click(320, 730);
	await page.waitForTimeout(250);
	await page.mouse.click(320, 810);
	await page.waitForTimeout(250);
	await page.mouse.click(320, 875);
	await page.waitForTimeout(500);
}

try {
	await page.goto(url, { waitUntil: 'domcontentloaded', timeout: 60000 });
	await waitForGame();
	await shot('01-main');

	await clickShot('02-log-panel', 237, 144);
	await closePanel();

	await clickShot('03-land-upgrade-panel', 340, 145);
	await closePanel();

	await clickShot('04-pay-panel', 451, 144);
	await closePanel();

	await clickShot('05-level-gift-panel', 539, 144);
	await closePanel();

	await clickShot('06-lottery-panel', 445, 221);
	await closePanel();

	await clickShot('07-notice-panel', 43, 294);
	await closePanel();

	await clickShot('08-sign-panel', 43, 379);
	await closePanel();

	await clickShot('09-online-gift-panel', 43, 466);
	await closePanel();

	await clickShot('11-gold-exchange-panel', 58, 560);
	await closePanel();

	await clickShot('12-land-menu', 366, 551);
	await page.mouse.click(600, 500);
	await page.waitForTimeout(500);

	await clickShot('13-market-panel', 88, 870);
	await page.waitForTimeout(500);
	await shot('14-market-panel-opened');
	await page.mouse.click(496, 338);
	await page.waitForTimeout(waitMs);
	await shot('15-market-sell-quantity');
	await page.mouse.click(520, 318);
	await page.waitForTimeout(300);
	await page.mouse.click(496, 294);
	await page.waitForTimeout(waitMs);
	await shot('16-market-buy-quantity');
	await page.mouse.click(520, 318);
	await page.waitForTimeout(300);
	await closePanel();
	await page.mouse.click(500, 870);
	await page.waitForTimeout(500);

	await clickShot('17-dog-panel', 494, 558);
	await closePanel();

	await page.keyboard.down('Control');
	await page.mouse.wheel(0, -700);
	await page.keyboard.up('Control');
	await page.waitForTimeout(500);
	await shot('18-zoom-in');

	await page.keyboard.down('Control');
	await page.mouse.wheel(0, 1200);
	await page.keyboard.up('Control');
	await page.waitForTimeout(500);
	await shot('19-zoom-out');
} finally {
	await browser.close();
}

if (errors.length > 0) {
	console.error(JSON.stringify({ ok: false, url, outDir, errors }, null, 2));
	process.exit(1);
}

console.log(JSON.stringify({ ok: true, url, outDir }, null, 2));