Fix Discord OAuth data format

supabase/functions/process-oauth-profile/index.ts

@@ -29,14 +29,18 @@ interface GoogleUserMetadata {
 
 interface DiscordUserMetadata {
   email?: string;
-  username?: string;
-  global_name?: string;
-  discriminator?: string;
-  avatar?: string;
-  id?: string;
-  verified?: boolean;
-  flags?: number;
-  premium_type?: number;
+  name?: string;              // "username#0" format
+  full_name?: string;         // "username" without discriminator
+  custom_claims?: {
+    global_name?: string;     // Display name like "PacNPal"
+  };
+  avatar_url?: string;        // Full CDN URL
+  picture?: string;           // Alternative full CDN URL
+  provider_id?: string;       // Discord user ID
+  sub?: string;               // Alternative Discord user ID
+  email_verified?: boolean;
+  phone_verified?: boolean;
+  iss?: string;
 }
 
 Deno.serve(async (req) => {
@@ -80,17 +84,12 @@ Deno.serve(async (req) => {
       if (discordIdentity) {
         userMetadata = discordIdentity.identity_data || {};
         
-        // Debug: Log full identity_data to see what Discord actually returns
-        console.log('[OAuth Profile] Discord identity_data (full):', JSON.stringify(discordIdentity.identity_data));
-        
-        console.log('[OAuth Profile] Using Discord identity data:', {
-          hasAvatar: !!userMetadata.avatar,
-          hasUsername: !!userMetadata.username,
-          hasGlobalName: !!userMetadata.global_name,
-          hasId: !!userMetadata.id,
-          hasEmail: !!userMetadata.email,
-          avatarValue: userMetadata.avatar,
-          idValue: userMetadata.id
+        console.log('[OAuth Profile] Discord identity_data:', {
+          hasAvatarUrl: !!(userMetadata as DiscordUserMetadata).avatar_url,
+          hasFullName: !!(userMetadata as DiscordUserMetadata).full_name,
+          hasGlobalName: !!(userMetadata as DiscordUserMetadata).custom_claims?.global_name,
+          hasProviderId: !!(userMetadata as DiscordUserMetadata).provider_id,
+          hasEmail: !!(userMetadata as DiscordUserMetadata).email
         });
       } else {
         console.warn('[OAuth Profile] Discord provider found but no Discord identity in user.identities');
@@ -111,43 +110,39 @@ Deno.serve(async (req) => {
     } else if (provider === 'discord') {
       const discordData = userMetadata as DiscordUserMetadata;
       
-      // Prefer global_name, fall back to username
-      displayName = discordData.global_name || discordData.username || null;
-      usernameBase = discordData.username || null;
+      // Extract Discord user ID from provider_id or sub
+      const discordId = discordData.provider_id || discordData.sub || null;
       
-      // Extract email (Discord provides it with email scope)
+      // Extract display name: custom_claims.global_name > full_name > name
+      displayName = discordData.custom_claims?.global_name || discordData.full_name || discordData.name || null;
+      
+      // Extract username base: full_name or name without discriminator
+      usernameBase = discordData.full_name || discordData.name?.split('#')[0] || null;
+      
+      // Extract email
       const discordEmail = discordData.email || null;
       
-      // Validate we have minimum required data
-      if (!discordData.id) {
-        console.error('[OAuth Profile] Discord user ID missing - OAuth scopes may not be configured correctly');
+      // Use the avatar URL that Supabase already provides (full CDN URL)
+      avatarUrl = discordData.avatar_url || discordData.picture || null;
+      
+      // Validation logging
+      if (!discordId) {
+        console.error('[OAuth Profile] Discord user ID missing from provider_id/sub - OAuth data incomplete');
       }
       
-      if (!discordData.username) {
+      if (!usernameBase) {
         console.warn('[OAuth Profile] Discord username missing - using ID as fallback');
-        usernameBase = discordData.id || null;
+        usernameBase = discordId;
       }
       
-      // Construct Discord avatar URL with proper format detection
-      if (discordData.avatar && discordData.id) {
-        // Discord animated avatars have 'a_' prefix and use .gif extension
-        const isAnimated = discordData.avatar.startsWith('a_');
-        const extension = isAnimated ? 'gif' : 'png';
-        avatarUrl = `https://cdn.discordapp.com/avatars/${discordData.id}/${discordData.avatar}.${extension}?size=512`;
-      } else if (!discordData.avatar && discordData.id) {
-        // User has no custom avatar - use Discord default avatar
-        const defaultAvatarIndex = (parseInt(discordData.id) >> 22) % 6;
-        avatarUrl = `https://cdn.discordapp.com/embed/avatars/${defaultAvatarIndex}.png`;
-        console.log('[OAuth Profile] Using Discord default avatar for user without custom avatar');
-      }
-      
-      console.log('[OAuth Profile] Discord user:', { 
+      console.log('[OAuth Profile] Discord user (Supabase format):', { 
         avatarUrl, 
         displayName, 
         usernameBase,
+        discordId,
         email: discordEmail,
-        hasAnimatedAvatar: discordData.avatar?.startsWith('a_'),
-        hasCustomAvatar: !!discordData.avatar
+        hasAvatar: !!avatarUrl,
+        source: discordData.avatar_url ? 'avatar_url' : discordData.picture ? 'picture' : 'none'
       });
     } else {
       console.log('[OAuth Profile] Unsupported provider:', provider);