<script lang="ts">
	import { onMount } from 'svelte';
	import { PUBLIC_API_URL } from '$env/static/public';
	import { goto } from '$app/navigation';
	import { page } from '$app/stores';

	const API_BASE = PUBLIC_API_URL || 'http://localhost:8000';

	let error = '';
	let loading = true;

	onMount(async () => {
		// Check if already authenticated
		try {
			const response = await fetch(`${API_BASE}/auth/status`, {
				credentials: 'include'
			});
			const data = await response.json();
			if (data.authenticated) {
				goto('/');
				return;
			}
		} catch (e) {
			console.error('Failed to check auth status:', e);
		}

		loading = false;

		// Check for error in URL
		const urlError = $page.url.searchParams.get('error');
		if (urlError === 'not_authorized') {
			error = 'Your email is not authorized to access this application. Contact the administrator.';
		} else if (urlError === 'oauth_failed') {
			error = 'Authentication failed. Please try again.';
		}
	});

	function loginWithGoogle() {
		window.location.href = `${API_BASE}/auth/login/google`;
	}
</script>

<svelte:head>
	<title>Login - AI Tools Suite</title>
</svelte:head>

<div class="min-h-screen bg-gradient-to-br from-primary-50 to-primary-100 flex items-center justify-center p-4">
	<div class="bg-white rounded-2xl shadow-xl p-8 w-full max-w-md">
		<div class="text-center mb-8">
			<h1 class="text-3xl font-bold text-gray-900 mb-2">AI Tools Suite</h1>
			<p class="text-gray-600">Sign in to access the cockpit</p>
		</div>

		{#if loading}
			<div class="flex justify-center py-8">
				<div class="animate-spin rounded-full h-8 w-8 border-b-2 border-primary-600"></div>
			</div>
		{:else}
			{#if error}
				<div class="mb-6 p-4 bg-red-50 border border-red-200 rounded-lg text-red-700 text-sm">
					{error}
				</div>
			{/if}

			<div class="space-y-4">
				<button
					on:click={loginWithGoogle}
					class="w-full flex items-center justify-center gap-3 px-4 py-3 border border-gray-300 rounded-lg hover:bg-gray-50 transition-colors"
				>
					<svg class="w-5 h-5" viewBox="0 0 24 24">
						<path
							fill="#4285F4"
							d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"
						/>
						<path
							fill="#34A853"
							d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"
						/>
						<path
							fill="#FBBC05"
							d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"
						/>
						<path
							fill="#EA4335"
							d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"
						/>
					</svg>
					<span class="font-medium text-gray-700">Continue with Google</span>
				</button>
			</div>

			<div class="mt-8 text-center text-sm text-gray-500">
				<p>Access is invite-only.</p>
				<p class="mt-1">Contact the administrator if you need access.</p>
			</div>
		{/if}
	</div>
</div>
