fix: better suggestions on pg connection error (#4597)

* fix: better suggestions on pg connection error

* chore: use project specific url

* chore: resolve conflict

Author: sweatybridge

internal/utils/connect.go

@@ -164,7 +164,22 @@ func ConnectByUrl(ctx context.Context, url string, options ...func(*pgx.ConnConf
 		}
 		cc.Fallbacks = fallbacks
 	})
-	return pgxv5.Connect(ctx, url, options...)
+	conn, err := pgxv5.Connect(ctx, url, options...)
+	var pgErr *pgconn.PgError
+	if errors.As(err, &pgErr) {
+		if strings.Contains(pgErr.Message, "connect: connection refused") {
+			CmdSuggestion = fmt.Sprintf("Make sure your local IP is allowed in Network Restrictions and Network Bans.\n%s/project/_/database/settings", CurrentProfile.DashboardURL)
+		} else if strings.Contains(pgErr.Message, "SSL connection is required") && viper.GetBool("DEBUG") {
+			CmdSuggestion = "SSL connection is not supported with --debug flag"
+		} else if strings.Contains(pgErr.Message, "SCRAM exchange: Wrong password") || strings.Contains(pgErr.Message, "failed SASL auth") {
+			// password authentication failed for user / invalid SCRAM server-final-message received from server
+			CmdSuggestion = "Try setting the SUPABASE_DB_PASSWORD environment variable"
+		} else if strings.Contains(pgErr.Message, "connect: no route to host") || strings.Contains(pgErr.Message, "Tenant or user not found") {
+			// Assumes IPv6 check has been performed before this
+			CmdSuggestion = "Make sure your project exists on profile: " + CurrentProfile.Name
+		}
+	}
+	return conn, err
 }
 
 const (