/**
 * Verifies eidos recipes render correctly in /test/eidos.
 *
 *   1. Toggle (★) — has data-archetype + focus ring on Tab.
 *   2. Switch — has data-archetype + focus ring on Tab.
 *   3. Dialog — opens via click, content + overlay visible, persists.
 *
 * Saves screenshots to /tmp/eidos-*.png so I can inspect.
 */

import { chromium } from 'playwright';
import { mkdir } from 'node:fs/promises';

const URL = 'http://localhost:5173/test/eidos';
const OUT = 'g:/tmp/eidos';

async function probePort(): Promise<string | null> {
	for (const port of [5173, 5174, 5175]) {
		try {
			const r = await fetch(`http://localhost:${port}/`, { signal: AbortSignal.timeout(500) });
			if (r.ok || r.status === 404) return `http://localhost:${port}`;
		} catch {}
	}
	return null;
}

async function main() {
	const base = await probePort();
	if (!base) {
		console.error('No dev server. Run npm run dev.');
		process.exit(2);
	}
	await mkdir(OUT, { recursive: true });

	const browser = await chromium.launch();
	const ctx = await browser.newContext({ viewport: { width: 900, height: 1100 } });
	const page = await ctx.newPage();

	page.on('console', (msg) => {
		if (msg.type() === 'error') console.log(`[console error] ${msg.text()}`);
	});

	// ── 1. Toggle ────────────────────────────────────────────────────────────
	await page.goto(`${base}/test/eidos/toggle`, { waitUntil: 'networkidle' });
	await page.waitForTimeout(300);
	const toggle = page.locator('[data-toggle]').first();
	const toggleAttrs = await toggle.evaluate((el) => ({
		dataToggle: el.getAttribute('data-toggle'),
		dataArchetype: el.getAttribute('data-archetype'),
		tag: el.tagName.toLowerCase()
	}));
	console.log('Toggle attrs:', toggleAttrs);

	// Click body first so we have a focus origin, then tab into the toggle.
	await page.locator('body').click({ position: { x: 5, y: 5 } });
	await page.waitForTimeout(50);
	// Tab until we hit the toggle button (skip the Soma layout bar if present).
	for (let i = 0; i < 10; i++) {
		await page.keyboard.press('Tab');
		const isToggle = await page.evaluate(() => document.activeElement?.hasAttribute('data-toggle') ?? false);
		if (isToggle) break;
	}
	await page.waitForTimeout(100);
	const toggleFocusOutline = await toggle.evaluate((el) => {
		const cs = getComputedStyle(el);
		return {
			matchesFocusVisible: el.matches(':focus-visible'),
			outlineStyle: cs.outlineStyle,
			outlineWidth: cs.outlineWidth,
			boxShadow: cs.boxShadow
		};
	});
	console.log('Toggle ring (Tab focused):', toggleFocusOutline);
	await page.screenshot({ path: `${OUT}/01-toggle-focused.png`, fullPage: false });

	// ── 2. Switch ────────────────────────────────────────────────────────────
	await page.goto(`${base}/test/eidos/switch`, { waitUntil: 'networkidle' });
	await page.waitForTimeout(300);
	const sw = page.locator('[data-switch]').first();
	const swAttrs = await sw.evaluate((el) => ({
		dataSwitch: el.getAttribute('data-switch'),
		dataArchetype: el.getAttribute('data-archetype'),
		dataState: el.getAttribute('data-state'),
		tag: el.tagName.toLowerCase()
	}));
	console.log('Switch attrs:', swAttrs);

	for (let i = 0; i < 5; i++) {
		await page.keyboard.press('Tab');
		const isSwitch = await page.evaluate(() => document.activeElement?.hasAttribute('data-switch') ?? false);
		if (isSwitch) break;
	}
	await page.waitForTimeout(100);
	const swFocusOutline = await sw.evaluate((el) => {
		const cs = getComputedStyle(el);
		return {
			matchesFocusVisible: el.matches(':focus-visible'),
			boxShadow: cs.boxShadow,
			width: cs.width,
			height: cs.height,
			background: cs.backgroundColor
		};
	});
	console.log('Switch ring (Tab focused):', swFocusOutline);
	await page.screenshot({ path: `${OUT}/02-switch-focused.png`, fullPage: false });

	// ── 3. Dialog ────────────────────────────────────────────────────────────
	await page.goto(`${base}/test/eidos/dialog`, { waitUntil: 'networkidle' });
	await page.waitForTimeout(300);
	const dialogTrigger = page.locator('[data-dialog-trigger]').first();
	const triggerExists = (await dialogTrigger.count()) > 0;
	console.log('Dialog trigger exists:', triggerExists);
	if (triggerExists) {
		// Inject a sampler that records opacity at every rAF after the click.
		await page.evaluate(`(() => {
			window.__samples = [];
			const trigger = document.querySelector('[data-dialog-trigger]');
			const t0 = performance.now();
			trigger.click();
			const tick = () => {
				const t = performance.now() - t0;
				const el = document.querySelector('[data-dialog-content]');
				if (el) {
					const cs = getComputedStyle(el);
					window.__samples.push({
						t: Math.round(t),
						opacity: parseFloat(cs.opacity),
						hasStartingStyle: el.hasAttribute('data-starting-style')
					});
				}
				if (t < 500) requestAnimationFrame(tick);
			};
			requestAnimationFrame(tick);
		})()`);
		await page.waitForTimeout(550);
		const entranceSamples = await page.evaluate('window.__samples') as Array<{
			t: number;
			opacity: number;
			hasStartingStyle: boolean;
		}>;
		const decimated = entranceSamples.filter((_, i) => i % 3 === 0 || i === entranceSamples.length - 1);
		console.log('Entrance samples (t-ms, opacity, hasStartingStyle):');
		for (const s of decimated) {
			console.log(`  t=${s.t}ms  opacity=${s.opacity.toFixed(3)}  starting=${s.hasStartingStyle}`);
		}

		const dialogContent = page.locator('[data-dialog-content]');
		await page.screenshot({ path: `${OUT}/03a-dialog-entrance-mid.png`, fullPage: false });

		const dialogOverlay = page.locator('[data-dialog-overlay]');
		const overlayCount = await dialogOverlay.count();
		const contentCount = await dialogContent.count();
		console.log(`Dialog opened — overlay count: ${overlayCount}, content count: ${contentCount}`);

		if (contentCount > 0) {
			const contentBox = await dialogContent.first().boundingBox();
			const overlayBox = await dialogOverlay.first().boundingBox();
			const overlayStyles = await dialogOverlay.first().evaluate((el) => {
				const cs = getComputedStyle(el);
				return {
					position: cs.position,
					inset: cs.inset,
					top: cs.top,
					left: cs.left,
					right: cs.right,
					bottom: cs.bottom,
					width: cs.width,
					height: cs.height,
					background: cs.backgroundColor,
					zIndex: cs.zIndex,
					display: cs.display,
					visibility: cs.visibility,
					opacity: cs.opacity,
					dataArchetype: el.getAttribute('data-archetype'),
					parentTag: el.parentElement?.tagName.toLowerCase()
				};
			});
			const contentStyles = await dialogContent.first().evaluate((el) => {
				const cs = getComputedStyle(el);
				return {
					position: cs.position,
					top: cs.top,
					left: cs.left,
					transform: cs.transform,
					background: cs.backgroundColor,
					zIndex: cs.zIndex,
					display: cs.display,
					visibility: cs.visibility,
					opacity: cs.opacity
				};
			});
			console.log('Dialog content box:', contentBox);
			console.log('Dialog overlay box:', overlayBox);
			console.log('Dialog overlay styles:', overlayStyles);
			console.log('Dialog content styles:', contentStyles);
		}
		await page.screenshot({ path: `${OUT}/03-dialog-open.png`, fullPage: false });

		await page.evaluate(`(() => {
			window.__exitSamples = [];
			const closeBtn = document.querySelector('[data-dialog-close]');
			const t0 = performance.now();
			closeBtn.click();
			const tick = () => {
				const t = performance.now() - t0;
				const el = document.querySelector('[data-dialog-content]');
				if (el) {
					const cs = getComputedStyle(el);
					window.__exitSamples.push({
						t: Math.round(t),
						opacity: parseFloat(cs.opacity),
						hasEndingStyle: el.hasAttribute('data-ending-style'),
						lastAction: el.getAttribute('data-last-action'),
						borderTopColor: cs.borderTopColor,
						mounted: true
					});
				} else {
					window.__exitSamples.push({
						t: Math.round(t), opacity: 0, hasEndingStyle: false, lastAction: null,
						borderTopColor: '', mounted: false
					});
				}
				if (t < 500) requestAnimationFrame(tick);
			};
			requestAnimationFrame(tick);
		})()`);
		await page.waitForTimeout(550);
		const exitSamples = await page.evaluate('window.__exitSamples') as Array<{
			t: number;
			opacity: number;
			hasEndingStyle: boolean;
			lastAction: string | null;
			borderTopColor: string;
			mounted: boolean;
		}>;
		const exitDecimated = exitSamples.filter((_, i) => i % 3 === 0 || i === exitSamples.length - 1);
		console.log('Exit samples (t-ms, opacity, hasEndingStyle, lastAction, borderTop, mounted):');
		for (const s of exitDecimated) {
			console.log(
				`  t=${s.t}ms  opacity=${s.opacity.toFixed(3)}  ending=${s.hasEndingStyle}  lastAction=${s.lastAction}  border=${s.borderTopColor}  mounted=${s.mounted}`
			);
		}
		await page.screenshot({ path: `${OUT}/04-dialog-closed.png`, fullPage: false });
	}

	await browser.close();
	console.log(`\nScreenshots saved to ${OUT}/`);
}

main().catch((e) => {
	console.error(e);
	process.exit(1);
});