massive state refactor, mostly fixes #3

server/trpc/context.ts

@@ -8,6 +8,7 @@ import AuthService from '~~/lib/services/auth.service';
 export async function createContext(event: H3Event){
   let user: User | null = null;
   let dbUser: FullDBUser | null = null;
+  let activeAccountId: number | null = null;
   
   if (!user) {
     user = await serverSupabaseUser(event);
@@ -20,11 +21,24 @@ export async function createContext(event: H3Event){
       dbUser = await authService.createUser(user.id, user.user_metadata.full_name?user.user_metadata.full_name:"no name supplied", user.email?user.email:"no@email.supplied" );
       console.log(`\n Created DB User \n ${JSON.stringify(dbUser)}\n`);
     }
+
+    if(dbUser){
+      const preferredAccountId = getCookie(event, 'preferred-active-account-id')
+      if(preferredAccountId && dbUser?.memberships.find(m => m.account_id === +preferredAccountId && !m.pending)){
+        activeAccountId = +preferredAccountId
+      } else {
+        const defaultActive = dbUser.memberships[0].account_id.toString();
+        setCookie(event, 'preferred-active-account-id', defaultActive, {expires: new Date(Date.now() + 1000 * 60 * 60 * 24  * 365 * 10)});
+        activeAccountId = +defaultActive;
+      }
+    }
   }
 
   return {
-    user,
-    dbUser,
+    user,             // the Supabase User
+    dbUser,           // the corresponding Database User
+    activeAccountId,  // the account ID that is active for the user
+    event,            // required to enable setCookie in accountRouter
   }  
 };