import { chromium } from 'playwright';

const browser = await chromium.launch({ channel: 'chrome', headless: false, slowMo: 300 });
const context = await browser.newContext({ viewport: { width: 390, height: 844 } });
const page = await context.newPage();

const BASE = 'http://localhost:5173';
let failed = false;

async function step(name, fn) {
	process.stdout.write(`▶ ${name}... `);
	try {
		await fn();
		console.log('✅');
	} catch (e) {
		console.log(`❌ ${e.message}`);
		failed = true;
		throw e;
	}
}

try {
	await step('Navigate to app → should redirect to /login', async () => {
		await page.goto(BASE);
		await page.waitForURL('**/login', { timeout: 5000 });
	});

	await step('Register a new account', async () => {
		await page.click('text=Create account');
		await page.fill('input[placeholder="Name"]', 'TestChef');
		await page.fill('input[placeholder="Password"]', 'password123');
		await page.fill('input[placeholder="Family code"]', 'dev-family-code');
		await page.click('button[type="submit"]');
		await page.waitForURL('**/lists', { timeout: 5000 });
	});

	await step('Create store "Kroger"', async () => {
		await page.click('a:has-text("Stores")');
		await page.waitForURL('**/stores');
		await page.fill('input[placeholder="New store name"]', 'Kroger');
		await page.click('button:has-text("Add")');
		await page.waitForSelector('text=Kroger');
	});

	await step('Create store "Costco"', async () => {
		await page.fill('input[placeholder="New store name"]', 'Costco');
		await page.click('button:has-text("Add")');
		await page.waitForSelector('text=Costco');
	});

	await step('Create shopping list "Weekly Groceries"', async () => {
		await page.click('a:has-text("Lists")');
		await page.waitForURL('**/lists');
		await page.click('text=+ New list');
		await page.fill('input[placeholder="List name"]', 'Weekly Groceries');
		await page.selectOption('select', { label: 'Kroger' });
		await page.click('button:has-text("Create")');
		await page.waitForSelector('text=Weekly Groceries');
	});

	await step('Open list and add 5 items', async () => {
		await page.click('text=Weekly Groceries');
		await page.waitForURL(/\/lists\/\d+/);

		for (const item of ['Milk', 'Eggs', 'Bread', 'Chicken breast', 'Broccoli']) {
			await page.fill('input[placeholder="Add an item..."]', item);
			await page.click('button:has-text("Add")');
			await page.waitForSelector(`text=${item}`);
		}
	});

	await step('Check off Milk and Eggs', async () => {
		await page.click('button[aria-label="Check Milk"]');
		await page.waitForSelector('text=Checked (1)');
		await page.click('button[aria-label="Check Eggs"]');
		await page.waitForSelector('text=Checked (2)');
	});

	await step('Uncheck Milk', async () => {
		await page.click('button[aria-label="Uncheck Milk"]');
		await page.waitForSelector('text=Checked (1)');
	});

	await step('Remove Broccoli', async () => {
		await page.click('button[aria-label="Remove Broccoli"]');
		await page.waitForFunction(() => !document.body.textContent.includes('Broccoli'), { timeout: 3000 });
	});

	await step('Create recipe "Chicken Stir Fry"', async () => {
		await page.click('a:has-text("Recipes")');
		await page.waitForURL('**/recipes');
		await page.click('text=+ New recipe');
		await page.waitForURL('**/recipes/new');
		await page.fill('input[placeholder="Recipe title"]', 'Chicken Stir Fry');
		await page.fill('textarea[placeholder*="description"]', 'Quick weeknight dinner');

		const qtyInputs = page.locator('input[placeholder="Qty"]');
		const nameInputs = page.locator('input[placeholder="Ingredient name"]');
		await qtyInputs.nth(0).fill('2 lbs');
		await nameInputs.nth(0).fill('chicken breast');

		await page.click('text=+ Add ingredient');
		await qtyInputs.nth(1).fill('1 head');
		await nameInputs.nth(1).fill('broccoli');

		await page.click('text=+ Add ingredient');
		await qtyInputs.nth(2).fill('3 tbsp');
		await nameInputs.nth(2).fill('soy sauce');

		await page.fill('textarea[placeholder*="Instructions"]', '1. Cut chicken\n2. Stir fry\n3. Add sauce');
		await page.click('button:has-text("Save Recipe")');
		await page.waitForURL(/\/recipes\/\d+/);
	});

	await step('Add recipe ingredients to shopping list', async () => {
		await page.click('button:has-text("Add to list")');
		await page.waitForSelector('text=Choose a list');
		await page.click('text=Weekly Groceries');
		await page.waitForURL(/\/lists\/\d+/);
		await page.waitForSelector('text=chicken breast');
	});

	await step('Verify list has recipe items', async () => {
		const content = await page.textContent('body');
		for (const item of ['2 lbs chicken breast', '1 head broccoli', '3 tbsp soy sauce']) {
			if (!content.includes(item)) throw new Error(`Missing recipe item: ${item}`);
		}
	});

	await step('Navigate back to lists overview', async () => {
		await page.click('text=← Back');
		await page.waitForURL('**/lists');
	});

	await step('Sign out', async () => {
		await page.click('text=Sign out');
		await page.waitForURL('**/login');
	});

	console.log('\n🎉 All tests passed!');
} catch (e) {
	console.error(`\n💥 Test suite stopped at failure: ${e.message}`);
	process.exitCode = 1;
} finally {
	await new Promise(r => setTimeout(r, 2000));
	await browser.close();
}