import { test, expect } from '@playwright/test';
import { execSync } from 'child_process';
import { join, dirname } from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);

const baseUrl = process.env.PLAYWRIGHT_BASE_URL || 'http://localhost:4173';
const urlMatch = baseUrl.match(/:(\d+)$/);
const PORT = urlMatch ? urlMatch[1] : '4173';
const ALPHA_URL = `http://ecole-alpha.classeo.local:${PORT}`;

const ADMIN_PASSWORD = 'BlockSession123';
const TARGET_PASSWORD = 'TargetSession123';

test.describe('User Blocking Mid-Session [P1]', () => {
	test.describe.configure({ mode: 'serial' });

	// Per-browser unique emails to avoid cross-project race conditions
	// (parallel browser projects share the same database)
	let ADMIN_EMAIL: string;
	let TARGET_EMAIL: string;

	// eslint-disable-next-line no-empty-pattern
	test.beforeAll(async ({}, testInfo) => {
		const browser = testInfo.project.name;
		ADMIN_EMAIL = `e2e-block-session-admin-${browser}@example.com`;
		TARGET_EMAIL = `e2e-block-session-target-${browser}@example.com`;

		const projectRoot = join(__dirname, '../..');
		const composeFile = join(projectRoot, 'compose.yaml');

		// Create admin user
		execSync(
			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${ADMIN_EMAIL} --password=${ADMIN_PASSWORD} --role=ROLE_ADMIN 2>&1`,
			{ encoding: 'utf-8' }
		);

		// Create target user to be blocked mid-session
		execSync(
			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${TARGET_EMAIL} --password=${TARGET_PASSWORD} --role=ROLE_PROF 2>&1`,
			{ encoding: 'utf-8' }
		);

		// Ensure target user is unblocked before tests start
		resetTargetUser();
	});

	/**
	 * Resets the target user to active state via SQL.
	 * Called at the start of tests that need the user unblocked,
	 * so that Playwright retries don't fail because a previous
	 * attempt already blocked the user server-side.
	 */
	function resetTargetUser() {
		const projectRoot = join(__dirname, '../..');
		const composeFile = join(projectRoot, 'compose.yaml');
		try {
			execSync(
				`docker compose -f "${composeFile}" exec -T php php bin/console dbal:run-sql "UPDATE users SET statut = 'active', blocked_at = NULL, blocked_reason = NULL WHERE email = '${TARGET_EMAIL}'" 2>&1`,
				{ encoding: 'utf-8' }
			);
		} catch {
			// Ignore cleanup errors
		}
	}

	async function loginAsAdmin(page: import('@playwright/test').Page) {
		await page.goto(`${ALPHA_URL}/login`);
		await page.locator('#email').fill(ADMIN_EMAIL);
		await page.locator('#password').fill(ADMIN_PASSWORD);
		await Promise.all([
			page.waitForURL(/\/dashboard/, { timeout: 60000 }),
			page.getByRole('button', { name: /se connecter/i }).click()
		]);
	}

	async function loginAsTarget(page: import('@playwright/test').Page) {
		await page.goto(`${ALPHA_URL}/login`);
		await page.locator('#email').fill(TARGET_EMAIL);
		await page.locator('#password').fill(TARGET_PASSWORD);
		await Promise.all([
			page.waitForURL(/\/dashboard/, { timeout: 60000 }),
			page.getByRole('button', { name: /se connecter/i }).click()
		]);
	}

	async function blockUserViaAdmin(page: import('@playwright/test').Page) {
		await page.goto(`${ALPHA_URL}/admin/users`);
		await expect(page.locator('.users-table')).toBeVisible({ timeout: 10000 });

		// Search for the target user (pagination may hide them beyond page 1)
		const searchInput = page.locator('input[type="search"]');
		await searchInput.fill(TARGET_EMAIL);
		await page.waitForTimeout(500);
		await page.waitForLoadState('networkidle');

		const targetRow = page.locator('tr', { has: page.locator(`text=${TARGET_EMAIL}`) });
		await expect(targetRow).toBeVisible();

		// Click "Bloquer" and wait for modal (retry handles hydration timing)
		await expect(async () => {
			await targetRow.getByRole('button', { name: /bloquer/i }).click();
			await expect(page.locator('#block-modal-title')).toBeVisible({ timeout: 2000 });
		}).toPass({ timeout: 10000 });

		// Fill in the reason
		await page.locator('#block-reason').fill('Blocage mid-session E2E test');

		// Confirm the block
		await page.getByRole('button', { name: /confirmer le blocage/i }).click();

		// Wait for the success message
		await expect(page.locator('.alert-success')).toBeVisible({ timeout: 10000 });
	}

	async function unblockUserViaAdmin(page: import('@playwright/test').Page) {
		await page.goto(`${ALPHA_URL}/admin/users`);
		await expect(page.locator('.users-table')).toBeVisible({ timeout: 10000 });

		// Search for the target user (pagination may hide them beyond page 1)
		const searchInput = page.locator('input[type="search"]');
		await searchInput.fill(TARGET_EMAIL);
		await page.waitForTimeout(500);
		await page.waitForLoadState('networkidle');

		const targetRow = page.locator('tr', { has: page.locator(`text=${TARGET_EMAIL}`) });
		await expect(targetRow).toBeVisible();

		const unblockButton = targetRow.getByRole('button', { name: /débloquer/i });
		await expect(unblockButton).toBeVisible();
		await unblockButton.click();

		await expect(page.locator('.alert-success')).toBeVisible({ timeout: 10000 });
	}

	// ============================================================================
	// AC1: Admin blocks a user mid-session
	// ============================================================================
	test('[P1] admin blocks user mid-session - blocked user next request results in redirect', async ({ browser }) => {
		// Reset target user state so retries work (a previous attempt may have blocked the user server-side)
		resetTargetUser();

		// Use two separate browser contexts to simulate two concurrent sessions
		const adminContext = await browser.newContext();
		const targetContext = await browser.newContext();

		const adminPage = await adminContext.newPage();
		const targetPage = await targetContext.newPage();

		try {
			// Step 1: Target user logs in and is on the dashboard
			await loginAsTarget(targetPage);
			await expect(targetPage).toHaveURL(/\/dashboard/);

			// Step 2: Admin logs in and blocks the target user
			await loginAsAdmin(adminPage);
			await blockUserViaAdmin(adminPage);

			// Step 3: The blocked user tries to navigate or make an API call
			// Navigating to a protected page should result in redirect to login
			await targetPage.goto(`${ALPHA_URL}/settings/sessions`);

			// The blocked user should be redirected to login (API returns 401/403)
			await expect(targetPage).toHaveURL(/\/login/, { timeout: 10000 });
		} finally {
			await adminContext.close().catch(() => {});
			await targetContext.close().catch(() => {});
		}
	});

	// ============================================================================
	// AC2: Blocked user cannot log in
	// ============================================================================
	test('[P1] blocked user cannot log in and sees suspended error', async ({ page }) => {
		// The user was blocked in the previous test; attempt to log in
		await page.goto(`${ALPHA_URL}/login`);
		await page.locator('#email').fill(TARGET_EMAIL);
		await page.locator('#password').fill(TARGET_PASSWORD);
		await page.getByRole('button', { name: /se connecter/i }).click();

		// Should see a suspended account error, not the generic credentials error
		const errorBanner = page.locator('.error-banner.account-suspended');
		await expect(errorBanner).toBeVisible({ timeout: 5000 });
		await expect(errorBanner).toContainText(/suspendu|contactez/i);
	});

	// ============================================================================
	// AC3: Admin unblocks user - user can log in again
	// ============================================================================
	test('[P1] admin unblocks user and user can log in again', async ({ browser }) => {
		const adminContext = await browser.newContext();
		const adminPage = await adminContext.newPage();

		try {
			// Admin unblocks the user
			await loginAsAdmin(adminPage);
			await unblockUserViaAdmin(adminPage);

			// Verify the status changed back to "Actif"
			const updatedRow = adminPage.locator('tr', { has: adminPage.locator(`text=${TARGET_EMAIL}`) });
			await expect(updatedRow.locator('.status-active')).toContainText('Actif');
		} finally {
			await adminContext.close().catch(() => {});
		}

		// Now the user should be able to log in again (use a new context)
		const userContext = await browser.newContext();
		const userPage = await userContext.newPage();

		try {
			await userPage.goto(`${ALPHA_URL}/login`);
			await userPage.locator('#email').fill(TARGET_EMAIL);
			await userPage.locator('#password').fill(TARGET_PASSWORD);
			await userPage.getByRole('button', { name: /se connecter/i }).click();

			// Should redirect to dashboard (successful login)
			await expect(userPage).toHaveURL(/\/dashboard/, { timeout: 30000 });
		} finally {
			await userContext.close().catch(() => {});
		}
	});

	// ============================================================================
	// AC4: Admin cannot block themselves
	// ============================================================================
	test('[P1] admin cannot block themselves from users page', async ({ page }) => {
		await loginAsAdmin(page);
		await page.goto(`${ALPHA_URL}/admin/users`);

		await expect(page.locator('.users-table')).toBeVisible({ timeout: 10000 });

		// Search for the admin user (pagination may hide them beyond page 1)
		const searchInput = page.locator('input[type="search"]');
		await searchInput.fill(ADMIN_EMAIL);
		await page.waitForTimeout(500);
		await page.waitForLoadState('networkidle');

		// Find the admin's own row
		const adminRow = page.locator('tr', { has: page.locator(`text=${ADMIN_EMAIL}`) });
		await expect(adminRow).toBeVisible();

		// "Bloquer" button should NOT be present on the admin's own row
		await expect(adminRow.getByRole('button', { name: /^bloquer$/i })).not.toBeVisible();
	});
});