-- DropForeignKey
ALTER TABLE "AgentBooking" DROP CONSTRAINT "AgentBooking_agentId_fkey";

-- DropForeignKey
ALTER TABLE "AgentBooking" DROP CONSTRAINT "AgentBooking_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "AgentCommission" DROP CONSTRAINT "AgentCommission_agentId_fkey";

-- DropForeignKey
ALTER TABLE "AgentShift" DROP CONSTRAINT "AgentShift_agentId_fkey";

-- DropForeignKey
ALTER TABLE "BaggageBooking" DROP CONSTRAINT "BaggageBooking_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "Booking" DROP CONSTRAINT "Booking_passengerId_fkey";

-- DropForeignKey
ALTER TABLE "Booking" DROP CONSTRAINT "Booking_scheduleId_fkey";

-- DropForeignKey
ALTER TABLE "BookingCancellation" DROP CONSTRAINT "BookingCancellation_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "BookingModification" DROP CONSTRAINT "BookingModification_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "BookingSeat" DROP CONSTRAINT "BookingSeat_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "BookingSeat" DROP CONSTRAINT "BookingSeat_seatId_fkey";

-- DropForeignKey
ALTER TABLE "Coach" DROP CONSTRAINT "Coach_coachTypeId_fkey";

-- DropForeignKey
ALTER TABLE "CoachAssignment" DROP CONSTRAINT "CoachAssignment_coachId_fkey";

-- DropForeignKey
ALTER TABLE "CoachAssignment" DROP CONSTRAINT "CoachAssignment_scheduleId_fkey";

-- DropForeignKey
ALTER TABLE "FaqArticle" DROP CONSTRAINT "FaqArticle_categoryId_fkey";

-- DropForeignKey
ALTER TABLE "FareRule" DROP CONSTRAINT "FareRule_seatClassId_fkey";

-- DropForeignKey
ALTER TABLE "FoodOrder" DROP CONSTRAINT "FoodOrder_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "FoodOrderItem" DROP CONSTRAINT "FoodOrderItem_orderId_fkey";

-- DropForeignKey
ALTER TABLE "GateValidationLog" DROP CONSTRAINT "GateValidationLog_ticketId_fkey";

-- DropForeignKey
ALTER TABLE "JourneySegment" DROP CONSTRAINT "JourneySegment_journeyId_fkey";

-- DropForeignKey
ALTER TABLE "JourneySegment" DROP CONSTRAINT "JourneySegment_scheduleId_fkey";

-- DropForeignKey
ALTER TABLE "LoyaltyLedgerEntry" DROP CONSTRAINT "LoyaltyLedgerEntry_accountId_fkey";

-- DropForeignKey
ALTER TABLE "LoyaltyReward" DROP CONSTRAINT "LoyaltyReward_accountId_fkey";

-- DropForeignKey
ALTER TABLE "MenuItem" DROP CONSTRAINT "MenuItem_categoryId_fkey";

-- DropForeignKey
ALTER TABLE "MenuItem" DROP CONSTRAINT "MenuItem_scheduleId_fkey";

-- DropForeignKey
ALTER TABLE "Notification" DROP CONSTRAINT "Notification_passengerId_fkey";

-- DropForeignKey
ALTER TABLE "PaymentIntent" DROP CONSTRAINT "PaymentIntent_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "PaymentRefund" DROP CONSTRAINT "PaymentRefund_paymentIntentId_fkey";

-- DropForeignKey
ALTER TABLE "RouteFareRule" DROP CONSTRAINT "RouteFareRule_seatClassId_fkey";

-- DropForeignKey
ALTER TABLE "SavedRoute" DROP CONSTRAINT "SavedRoute_passengerId_fkey";

-- DropForeignKey
ALTER TABLE "SeatBlock" DROP CONSTRAINT "SeatBlock_seatId_fkey";

-- DropForeignKey
ALTER TABLE "SegmentFareRule" DROP CONSTRAINT "SegmentFareRule_seatClassId_fkey";

-- DropForeignKey
ALTER TABLE "StationCrowdSignal" DROP CONSTRAINT "StationCrowdSignal_stationId_fkey";

-- DropForeignKey
ALTER TABLE "SupportMessage" DROP CONSTRAINT "SupportMessage_conversationId_fkey";

-- DropForeignKey
ALTER TABLE "Ticket" DROP CONSTRAINT "Ticket_bookingId_fkey";

-- DropForeignKey
ALTER TABLE "TicketSeat" DROP CONSTRAINT "TicketSeat_seatId_fkey";

-- DropForeignKey
ALTER TABLE "TrainSchedule" DROP CONSTRAINT "TrainSchedule_destinationStationId_fkey";

-- DropForeignKey
ALTER TABLE "TrainSchedule" DROP CONSTRAINT "TrainSchedule_originStationId_fkey";

-- DropForeignKey
ALTER TABLE "TrainSchedule" DROP CONSTRAINT "TrainSchedule_routeId_fkey";

-- DropForeignKey
ALTER TABLE "TrainSchedule" DROP CONSTRAINT "TrainSchedule_trainId_fkey";

-- DropForeignKey
ALTER TABLE "TripLiveStatus" DROP CONSTRAINT "TripLiveStatus_scheduleId_fkey";

-- DropForeignKey
ALTER TABLE "TripStopTime" DROP CONSTRAINT "TripStopTime_scheduleId_fkey";

-- DropForeignKey
ALTER TABLE "WalletLedgerEntry" DROP CONSTRAINT "WalletLedgerEntry_walletId_fkey";

-- DropIndex (created later in 20260627_add_journey_booking_id; IF EXISTS guards against ordering)
DROP INDEX IF EXISTS "Journey_bookingId_idx";

-- AlterTable
ALTER TABLE "FaydaVerificationSession" ALTER COLUMN "purpose" SET DEFAULT 'VERIFY';

-- CreateTable
CREATE TABLE "SystemConfig" (
    "id" TEXT NOT NULL,
    "key" TEXT NOT NULL,
    "value" TEXT NOT NULL,
    "updatedAt" TIMESTAMP(3) NOT NULL,

    CONSTRAINT "SystemConfig_pkey" PRIMARY KEY ("id")
);

-- CreateIndex
CREATE UNIQUE INDEX "SystemConfig_key_key" ON "SystemConfig"("key");

-- AddForeignKey
ALTER TABLE "TrainSchedule" ADD CONSTRAINT "TrainSchedule_trainId_fkey" FOREIGN KEY ("trainId") REFERENCES "Train"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "TrainSchedule" ADD CONSTRAINT "TrainSchedule_routeId_fkey" FOREIGN KEY ("routeId") REFERENCES "Route"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "TrainSchedule" ADD CONSTRAINT "TrainSchedule_originStationId_fkey" FOREIGN KEY ("originStationId") REFERENCES "Station"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "TrainSchedule" ADD CONSTRAINT "TrainSchedule_destinationStationId_fkey" FOREIGN KEY ("destinationStationId") REFERENCES "Station"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "TripStopTime" ADD CONSTRAINT "TripStopTime_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "TrainSchedule"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "TripLiveStatus" ADD CONSTRAINT "TripLiveStatus_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "TrainSchedule"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Coach" ADD CONSTRAINT "Coach_coachTypeId_fkey" FOREIGN KEY ("coachTypeId") REFERENCES "CoachType"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "CoachAssignment" ADD CONSTRAINT "CoachAssignment_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "TrainSchedule"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "CoachAssignment" ADD CONSTRAINT "CoachAssignment_coachId_fkey" FOREIGN KEY ("coachId") REFERENCES "Coach"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "FareRule" ADD CONSTRAINT "FareRule_seatClassId_fkey" FOREIGN KEY ("seatClassId") REFERENCES "SeatClass"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Booking" ADD CONSTRAINT "Booking_passengerId_fkey" FOREIGN KEY ("passengerId") REFERENCES "Passenger"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Booking" ADD CONSTRAINT "Booking_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "TrainSchedule"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Booking" ADD CONSTRAINT "Booking_returnScheduleId_fkey" FOREIGN KEY ("returnScheduleId") REFERENCES "TrainSchedule"("id") ON DELETE SET NULL ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "BookingSeat" ADD CONSTRAINT "BookingSeat_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "BookingSeat" ADD CONSTRAINT "BookingSeat_seatId_fkey" FOREIGN KEY ("seatId") REFERENCES "Seat"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "PaymentIntent" ADD CONSTRAINT "PaymentIntent_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "PaymentRefund" ADD CONSTRAINT "PaymentRefund_paymentIntentId_fkey" FOREIGN KEY ("paymentIntentId") REFERENCES "PaymentIntent"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Ticket" ADD CONSTRAINT "Ticket_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "TicketSeat" ADD CONSTRAINT "TicketSeat_seatId_fkey" FOREIGN KEY ("seatId") REFERENCES "Seat"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "LoyaltyLedgerEntry" ADD CONSTRAINT "LoyaltyLedgerEntry_accountId_fkey" FOREIGN KEY ("accountId") REFERENCES "LoyaltyAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "LoyaltyReward" ADD CONSTRAINT "LoyaltyReward_accountId_fkey" FOREIGN KEY ("accountId") REFERENCES "LoyaltyAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "WalletLedgerEntry" ADD CONSTRAINT "WalletLedgerEntry_walletId_fkey" FOREIGN KEY ("walletId") REFERENCES "WalletAccount"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "Notification" ADD CONSTRAINT "Notification_passengerId_fkey" FOREIGN KEY ("passengerId") REFERENCES "Passenger"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "StationCrowdSignal" ADD CONSTRAINT "StationCrowdSignal_stationId_fkey" FOREIGN KEY ("stationId") REFERENCES "Station"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "MenuItem" ADD CONSTRAINT "MenuItem_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "TrainSchedule"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "MenuItem" ADD CONSTRAINT "MenuItem_categoryId_fkey" FOREIGN KEY ("categoryId") REFERENCES "MenuCategory"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "FoodOrder" ADD CONSTRAINT "FoodOrder_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "FoodOrderItem" ADD CONSTRAINT "FoodOrderItem_orderId_fkey" FOREIGN KEY ("orderId") REFERENCES "FoodOrder"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "FaqArticle" ADD CONSTRAINT "FaqArticle_categoryId_fkey" FOREIGN KEY ("categoryId") REFERENCES "FaqCategory"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "SupportMessage" ADD CONSTRAINT "SupportMessage_conversationId_fkey" FOREIGN KEY ("conversationId") REFERENCES "SupportConversation"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "SavedRoute" ADD CONSTRAINT "SavedRoute_passengerId_fkey" FOREIGN KEY ("passengerId") REFERENCES "Passenger"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- Journey_bookingId_fkey moved to 20260627_add_journey_booking_id (column added there)

-- AddForeignKey
ALTER TABLE "JourneySegment" ADD CONSTRAINT "JourneySegment_journeyId_fkey" FOREIGN KEY ("journeyId") REFERENCES "Journey"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "JourneySegment" ADD CONSTRAINT "JourneySegment_scheduleId_fkey" FOREIGN KEY ("scheduleId") REFERENCES "TrainSchedule"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "RouteFareRule" ADD CONSTRAINT "RouteFareRule_seatClassId_fkey" FOREIGN KEY ("seatClassId") REFERENCES "SeatClass"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "SegmentFareRule" ADD CONSTRAINT "SegmentFareRule_seatClassId_fkey" FOREIGN KEY ("seatClassId") REFERENCES "SeatClass"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "AgentBooking" ADD CONSTRAINT "AgentBooking_agentId_fkey" FOREIGN KEY ("agentId") REFERENCES "Agent"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "AgentBooking" ADD CONSTRAINT "AgentBooking_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "AgentShift" ADD CONSTRAINT "AgentShift_agentId_fkey" FOREIGN KEY ("agentId") REFERENCES "Agent"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "AgentCommission" ADD CONSTRAINT "AgentCommission_agentId_fkey" FOREIGN KEY ("agentId") REFERENCES "Agent"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "BookingModification" ADD CONSTRAINT "BookingModification_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "BookingCancellation" ADD CONSTRAINT "BookingCancellation_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "GateValidationLog" ADD CONSTRAINT "GateValidationLog_ticketId_fkey" FOREIGN KEY ("ticketId") REFERENCES "Ticket"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "BaggageBooking" ADD CONSTRAINT "BaggageBooking_bookingId_fkey" FOREIGN KEY ("bookingId") REFERENCES "Booking"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE "SeatBlock" ADD CONSTRAINT "SeatBlock_seatId_fkey" FOREIGN KEY ("seatId") REFERENCES "Seat"("id") ON DELETE RESTRICT ON UPDATE CASCADE;