export default async (req) => {
// Try to load dotenv if available (for local development)
// In production, this will fail gracefully and use Netlify's env vars
try {
const { config } = await import('dotenv');
config();
} catch (e) {
// dotenv not available or failed, use native environment variables
console.log('Using native environment variables');
}
console.log('🎵 Spotify auth function called');
console.log('Method:', req.method);
console.log('URL:', req.url);
// Only allow GET requests
if (req.method !== 'GET') {
console.error('❌ Method not allowed:', req.method);
return new Response(JSON.stringify({ error: 'Method not allowed' }), {
status: 405,
headers: { 'Content-Type': 'application/json', 'Allow': 'GET' }
});
}
try {
console.log('🔍 Checking environment variables...');
console.log('NODE_ENV:', process.env.NODE_ENV);
console.log('All env vars count:', Object.keys(process.env).length);
console.log('Available SPOTIFY env vars:', Object.keys(process.env).filter(k => k.includes('SPOTIFY')));
console.log('Available APP env vars:', Object.keys(process.env).filter(k => k.includes('APP')));
const clientId = process.env.SPOTIFY_CLIENT_ID;
const appUrl = process.env.APP_URL;
console.log('SPOTIFY_CLIENT_ID exists:', !!clientId);
console.log('SPOTIFY_CLIENT_ID length:', clientId ? clientId.length : 0);
console.log('APP_URL exists:', !!appUrl);
console.log('APP_URL value:', appUrl);
if (!clientId) {
console.error('❌ SPOTIFY_CLIENT_ID environment variable is not set');
return new Response(JSON.stringify({
error: 'Server configuration error',
details: 'Spotify client ID not configured'
}), {
status: 500,
headers: { 'Content-Type': 'application/json' }
});
}
if (!appUrl) {
console.error('❌ APP_URL environment variable is not set');
return new Response(JSON.stringify({
error: 'Server configuration error',
details: 'APP_URL not configured. Please set APP_URL environment variable.'
}), {
status: 500,
headers: { 'Content-Type': 'application/json' }
});
}
const redirectUri = `${appUrl}/api/spotify-callback`;
console.log('Redirect URI:', redirectUri);
const scopes = [
'user-modify-playback-state',
'user-read-playback-state',
'user-read-currently-playing'
];
console.log('🔐 Generating state parameter...');
// Generate state parameter for security
const state = crypto.randomUUID();
console.log('State generated:', !!state);
console.log('🔗 Building authorization URL...');
const authUrl = `https://accounts.spotify.com/authorize?` +
`client_id=${encodeURIComponent(clientId)}&` +
`response_type=code&` +
`redirect_uri=${encodeURIComponent(redirectUri)}&` +
`scope=${encodeURIComponent(scopes.join(' '))}&` +
`state=${encodeURIComponent(state)}`;
console.log('✅ Auth URL created, length:', authUrl.length);
return new Response(JSON.stringify({ authUrl, state }), {
headers: { 'Content-Type': 'application/json' }
});
} catch (error) {
console.error('💥 Error in spotify-auth function:');
console.error('Error message:', error.message);
console.error('Error stack:', error.stack);
console.error('Error type:', error.constructor.name);
return new Response(JSON.stringify({
error: 'Internal server error',
details: error.message,
type: error.constructor.name
}), {
status: 500,
headers: { 'Content-Type': 'application/json' }
});
}
};
