import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';

import { warehouseService } from '@/services/warehouse.service';
import type {
  InspectionReportPayload,
  SaveAllocationRulePayload,
  SaveFeeRulePayload,
  WarehouseInvoiceFilter,
  PayInvoicePayload,
  InventoryFilter,
  InventoryInquiryFilter,
  LoadInventoryPayload,
  MoveInventoryPayload,
  ReceiveInventoryPayload,
  ReleaseOrderPayload,
  DeliverInventoryPayload,
  BulkReceivePayload,
  BulkInspectPayload,
  ReserveInventoryPayload,
  SaveWarehousePayload,
  SaveYardPayload,
  SaveZonePayload,
  WarehouseFilter,
} from '@/types/warehouse';

export const warehouseKeys = {
  all: ['warehouses'] as const,
  list: (filter?: WarehouseFilter) => ['warehouses', 'list', filter ?? {}] as const,
  facilities: () => ['warehouses', 'facilities'] as const,
  detail: (id: string) => ['warehouses', 'detail', id] as const,
  yards: (warehouseId: string) => ['warehouses', warehouseId, 'yards'] as const,
  allYards: () => ['warehouse-yards', 'all'] as const,
  zones: (yardId: string) => ['warehouse-yards', yardId, 'zones'] as const,
  allZones: () => ['warehouse-zones', 'all'] as const,
  inventory: (filter?: InventoryFilter) => ['warehouse-inventory', 'list', filter ?? {}] as const,
  dashboardSummary: (filter?: InventoryFilter) => ['warehouse-dashboard', 'summary', filter ?? {}] as const,
  inquiry: (filter: InventoryInquiryFilter) => ['warehouse-inventory', 'inquiry', filter] as const,
};

// ── Warehouses ─────────────────────────────────────────────────────────────

export function useWarehouses(filter?: WarehouseFilter) {
  return useQuery({
    queryKey: warehouseKeys.list(filter),
    queryFn: () => warehouseService.list(filter).then((r) => r.data),
  });
}

export function useWarehouse(id?: string) {
  return useQuery({
    queryKey: warehouseKeys.detail(id ?? ''),
    queryFn: () => warehouseService.getById(id as string).then((r) => r.data),
    enabled: Boolean(id),
  });
}

export function useWarehouseFacilities() {
  return useQuery({
    queryKey: warehouseKeys.facilities(),
    queryFn: () => warehouseService.listFacilities().then((r) => r.data.items),
  });
}

export function useCreateWarehouse() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (payload: SaveWarehousePayload) => warehouseService.create(payload),
    onSuccess: () => qc.invalidateQueries({ queryKey: warehouseKeys.all }),
  });
}

export function useUpdateWarehouse() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ id, payload }: { id: string; payload: Partial<SaveWarehousePayload> }) =>
      warehouseService.update(id, payload),
    onSuccess: (_, { id }) => {
      qc.invalidateQueries({ queryKey: warehouseKeys.all });
      qc.invalidateQueries({ queryKey: warehouseKeys.detail(id) });
    },
  });
}

// ── Yards ────────────────────────────────────────────────────────────────

export function useWarehouseYards(warehouseId?: string) {
  return useQuery({
    queryKey: warehouseKeys.yards(warehouseId ?? ''),
    queryFn: () => warehouseService.listYards(warehouseId as string).then((r) => r.data),
    enabled: Boolean(warehouseId),
  });
}

export function useAllWarehouseYards() {
  return useQuery({
    queryKey: warehouseKeys.allYards(),
    queryFn: () => warehouseService.listAllYards().then((r) => r.data),
  });
}

export function useCreateYard() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ warehouseId, payload }: { warehouseId: string; payload: SaveYardPayload }) =>
      warehouseService.createYard(warehouseId, payload),
    onSuccess: (_, { warehouseId }) => {
      qc.invalidateQueries({ queryKey: warehouseKeys.yards(warehouseId) });
      qc.invalidateQueries({ queryKey: warehouseKeys.detail(warehouseId) });
    },
  });
}

export function useUpdateYard() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ id, payload }: { id: string; payload: Partial<SaveYardPayload> }) =>
      warehouseService.updateYard(id, payload),
    onSuccess: () => qc.invalidateQueries({ queryKey: warehouseKeys.all }),
  });
}

// ── Zones ──────────────────────────────────────────────────────────────────

export function useWarehouseZones(yardId?: string) {
  return useQuery({
    queryKey: warehouseKeys.zones(yardId ?? ''),
    queryFn: () => warehouseService.listZones(yardId as string).then((r) => r.data),
    enabled: Boolean(yardId),
  });
}

export function useAllWarehouseZones() {
  return useQuery({
    queryKey: warehouseKeys.allZones(),
    queryFn: () => warehouseService.listAllZones().then((r) => r.data),
  });
}

/** Live per-zone occupancy for the heatmap (optionally scoped to one yard). */
export function useZoneOccupancy(yardId?: string) {
  return useQuery({
    queryKey: ['warehouse-zones', 'occupancy', yardId ?? 'all'],
    queryFn: () => warehouseService.zoneOccupancy(yardId).then((r) => r.data),
  });
}

/** At-a-glance warehouse ops counters for the KPI strip. */
export function useWarehouseOpsStats() {
  return useQuery({
    queryKey: ['warehouse-inventory', 'ops-stats'],
    queryFn: () => warehouseService.opsStats().then((r) => r.data),
  });
}

/** Server-side received-vs-dispatched throughput time series. */
export function useWarehouseThroughput(granularity: 'week' | 'month' | 'year') {
  return useQuery({
    queryKey: ['warehouse-inventory', 'throughput', granularity],
    queryFn: () => warehouseService.throughput(granularity).then((r) => r.data),
  });
}

/** Live per-item fee accrual (storage/demurrage) with alerts. */
export function useAccrualDashboard(billingCurrency?: 'ETB' | 'USD') {
  return useQuery({
    queryKey: ['warehouse-fees', 'accrual-dashboard', billingCurrency ?? 'USD'],
    queryFn: () => warehouseService.accrualDashboard(billingCurrency).then((r) => r.data),
  });
}

export function useCreateZone() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ yardId, payload }: { yardId: string; payload: SaveZonePayload }) =>
      warehouseService.createZone(yardId, payload),
    onSuccess: (_, { yardId }) => qc.invalidateQueries({ queryKey: warehouseKeys.zones(yardId) }),
  });
}

export function useUpdateZone() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ id, payload }: { id: string; payload: Partial<SaveZonePayload> }) =>
      warehouseService.updateZone(id, payload),
    onSuccess: () => qc.invalidateQueries({ queryKey: ['warehouse-yards'] }),
  });
}

// ── Inventory ──────────────────────────────────────────────────────────────

export function useWarehouseInventory(filter?: InventoryFilter) {
  return useQuery({
    queryKey: warehouseKeys.inventory(filter),
    queryFn: () => warehouseService.listInventory(filter).then((r) => r.data),
  });
}

export function useWarehouseDashboardSummary(filter?: InventoryFilter) {
  return useQuery({
    queryKey: warehouseKeys.dashboardSummary(filter),
    queryFn: () => warehouseService.getDashboardSummary(filter).then((r) => r.data),
  });
}

export function useReceiveInventory() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (payload: ReceiveInventoryPayload) => warehouseService.receiveInventory(payload),
    onSuccess: () => {
      qc.invalidateQueries({ queryKey: ['warehouse-inventory'] });
      qc.invalidateQueries({ queryKey: warehouseKeys.all });
      qc.invalidateQueries({ queryKey: ['warehouse-dashboard'] });
    },
  });
}

function useInventoryMutation<TArgs>(fn: (args: TArgs) => Promise<unknown>) {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: fn,
    onSuccess: () => {
      qc.invalidateQueries({ queryKey: ['warehouse-inventory'] });
      qc.invalidateQueries({ queryKey: ['warehouse-loadings'] });
      qc.invalidateQueries({ queryKey: warehouseKeys.all });
    },
  });
}

export const useStoreInventory = () => useInventoryMutation((id: string) => warehouseService.store(id));
export const useReserveInventory = () =>
  useInventoryMutation((payload: ReserveInventoryPayload) => warehouseService.reserve(payload));
export const useMarkReadyForLoading = () =>
  useInventoryMutation((id: string) => warehouseService.markReadyForLoading(id));
export const useLoadInventory = () =>
  useInventoryMutation((args: { id: string; payload: LoadInventoryPayload }) =>
    warehouseService.load(args.id, args.payload),
  );
export const useDispatchInventory = () => useInventoryMutation((id: string) => warehouseService.dispatch(id));
export const useMoveInventory = () =>
  useInventoryMutation((args: { id: string; payload: MoveInventoryPayload }) =>
    warehouseService.move(args.id, args.payload),
  );

// ── Import branch (READY_FOR_PICKUP → DELIVERED) ───────────────────────────
export const useMarkReadyForPickup = () =>
  useInventoryMutation((id: string) => warehouseService.markReadyForPickup(id));
export const useReleaseInventory = () =>
  useInventoryMutation((args: { id: string; payload: ReleaseOrderPayload }) =>
    warehouseService.release(args.id, args.payload),
  );
export const useDeliverInventory = () =>
  useInventoryMutation((args: { id: string; payload: DeliverInventoryPayload }) =>
    warehouseService.deliver(args.id, args.payload),
  );

// ── Receive (Import/Export bulk) ───────────────────────────────────────────
/**
 * All not-yet-received PAID bookings, classified IMPORT/EXPORT by route, in one call.
 * Both Receive tabs share this single query (same key) — only one HTTP request fires —
 * then filter client-side by direction.
 */
export function useEligibleBookings(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'eligible-bookings'],
    queryFn: () => warehouseService.eligibleBookings().then((r) => r.data),
    enabled,
  });
}
export const useBulkReceive = () =>
  useInventoryMutation((payload: BulkReceivePayload) => warehouseService.receiveBulk(payload));
export const useBulkMarkInspected = () =>
  useInventoryMutation((payload: BulkInspectPayload) => warehouseService.bulkMarkInspected(payload));

export function useReadyToLoadExport(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'ready-to-load-export'],
    queryFn: () => warehouseService.readyToLoadExport().then((r) => r.data),
    enabled,
  });
}

export function useLoadedExport(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'loaded-export'],
    queryFn: () => warehouseService.loadedExport().then((r) => r.data),
    enabled,
  });
}

export const useBulkDispatchExport = () =>
  useInventoryMutation((inventoryIds: string[]) => warehouseService.bulkDispatchExport(inventoryIds));

/** Arrived IMPORT trains (route-derived). Read-only. */
export function useImportArriveQueue(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'import-arrive-queue'],
    queryFn: () => warehouseService.importArriveQueue().then((r) => r.data),
    enabled,
  });
}

/** Assigned bookings/items for an arrived import train. Read-only. */
export function useImportTrainItems(scheduleId?: string) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'import-train-items', scheduleId],
    queryFn: () => warehouseService.importTrainItems(scheduleId as string).then((r) => r.data),
    enabled: Boolean(scheduleId),
  });
}

/** Unload all eligible assigned bookings of an ARRIVED import train (→ UNLOADED). */
export const useAutoUnloadArrivedBookings = () =>
  useInventoryMutation((payload: {
    scheduleId: string;
    warehouseId?: string;
    assignments?: { bookingId: string; warehouseId: string; yardId: string; zoneId: string }[];
  }) =>
    warehouseService.autoUnloadArrivedBookings(payload),
  );

/** Arrived EXPORT trains at Djibouti-side ports. Read-only. */
export function useExportDjiboutiArrivalQueue(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'export-djibouti-arrival-queue'],
    queryFn: () => warehouseService.exportDjiboutiArrivalQueue().then((r) => r.data),
    enabled,
  });
}

/** Assigned export bookings/items for a Djibouti-side arrived export train. Read-only. */
export function useExportDjiboutiTrainItems(scheduleId?: string) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'export-djibouti-train-items', scheduleId],
    queryFn: () => warehouseService.exportDjiboutiTrainItems(scheduleId as string).then((r) => r.data),
    enabled: Boolean(scheduleId),
  });
}

/** Unload eligible export items assigned to an arrived Djibouti-side train. */
export const useAutoUnloadExportAtDjibouti = () => {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: (scheduleId: string) => warehouseService.autoUnloadExportAtDjibouti(scheduleId),
    onSuccess: () => {
      qc.invalidateQueries({ queryKey: ['warehouse-inventory'] });
      qc.invalidateQueries({ queryKey: ['warehouse-loadings'] });
      qc.invalidateQueries({ queryKey: warehouseKeys.all });
      qc.invalidateQueries({ queryKey: ['interchange-documents'] });
    },
  });
};

/** IMPORT inventory in the Unloaded Queue (UNLOADED / destination inspection). Read-only. */
export function useImportUnloadedQueue(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'import-unloaded-queue'],
    queryFn: () => warehouseService.importUnloadedQueue().then((r) => r.data),
    enabled,
  });
}

/** IMPORT inventory that is PICKUP_READY (READY_FOR_PICKUP) awaiting pickup/dispatch. Read-only. */
export function useImportPickupReadyQueue(enabled = true) {
  return useQuery({
    queryKey: ['warehouse-inventory', 'import-pickup-ready-queue'],
    queryFn: () => warehouseService.importPickupReadyQueue().then((r) => r.data),
    enabled,
  });
}

// ── Loading (Batch 3) ────────────────────────────────────────────────────────

export function useLoadableWagons(enabled = true) {
  return useQuery({
    queryKey: ['warehouse', 'loadable-wagons'],
    queryFn: () => warehouseService.loadableWagons().then((r) => r.data),
    enabled,
  });
}

export function useWarehouseLoadings(params?: { bookingId?: string; wagonId?: string }) {
  return useQuery({
    queryKey: ['warehouse-loadings', params ?? {}],
    queryFn: () => warehouseService.loadings(params).then((r) => r.data),
  });
}

export function useBookingSchedule(bookingId?: string) {
  return useQuery({
    queryKey: ['warehouse', 'booking-schedule', bookingId ?? ''],
    queryFn: () => warehouseService.bookingSchedule(bookingId as string).then((r) => r.data),
    enabled: Boolean(bookingId),
  });
}

export function useInventoryMovements(id?: string) {
  return useQuery({
    queryKey: ['warehouse-inventory', id, 'movements'],
    queryFn: () => warehouseService.movements(id as string).then((r) => r.data),
    enabled: Boolean(id),
  });
}

export function useInventoryActivity(id?: string) {
  return useQuery({
    queryKey: ['warehouse-inventory', id, 'activity'],
    queryFn: () => warehouseService.activity(id as string).then((r) => r.data),
    enabled: Boolean(id),
  });
}

export function useWarehouseDashboard() {
  return useQuery({
    queryKey: ['warehouses', 'dashboard'],
    queryFn: () => warehouseService.dashboard().then((r) => r.data),
  });
}

export function useInventoryInquiry(filter: InventoryInquiryFilter, enabled = true) {
  return useQuery({
    queryKey: warehouseKeys.inquiry(filter),
    queryFn: () => warehouseService.inquiry(filter).then((r) => r.data),
    enabled,
  });
}

// ── Batch 4.5: Arrival / Unload / Inspection ────────────────────────────────

export function useArrivalQueue() {
  return useQuery({
    queryKey: ['warehouse-inventory', 'arrival-queue'],
    queryFn: () => warehouseService.arrivalQueue().then((r) => r.data),
  });
}

function useArrivalInvalidation() {
  const qc = useQueryClient();
  return () => {
    qc.invalidateQueries({ queryKey: ['warehouse-inventory'] });
    qc.invalidateQueries({ queryKey: warehouseKeys.all });
  };
}

export function useAutoUnloadArrived() {
  const onSuccess = useArrivalInvalidation();
  return useMutation({ mutationFn: () => warehouseService.autoUnloadArrived(), onSuccess });
}

export function useAutoLoadReady() {
  const onSuccess = useArrivalInvalidation();
  return useMutation({ mutationFn: () => warehouseService.autoLoadReady(), onSuccess });
}

export function useUnloadBooking() {
  const onSuccess = useArrivalInvalidation();
  return useMutation({
    mutationFn: (args: { bookingId: string; payload?: Record<string, unknown> }) =>
      warehouseService.unloadBooking(args.bookingId, args.payload),
    onSuccess,
  });
}

export function useInspectionReports(inventoryId?: string) {
  return useQuery({
    queryKey: ['warehouse-inventory', inventoryId, 'inspection-reports'],
    queryFn: () => warehouseService.listInspectionReports(inventoryId as string).then((r) => r.data),
    enabled: Boolean(inventoryId),
  });
}

export function useCreateInspectionReport() {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: ({ inventoryId, payload }: { inventoryId: string; payload: InspectionReportPayload }) =>
      warehouseService.createInspectionReport(inventoryId, payload).then((r) => r.data),
    onSuccess: (_, { inventoryId }) => {
      qc.invalidateQueries({ queryKey: ['warehouse-inventory', inventoryId, 'inspection-reports'] });
      qc.invalidateQueries({ queryKey: ['warehouse-inventory'] });
    },
  });
}

export function useUploadInspectionAttachments() {
  return useMutation({
    mutationFn: ({ reportId, files }: { reportId: string; files: File[] }) =>
      warehouseService.uploadInspectionAttachments(reportId, files),
  });
}

// ── Batch 5: Allocation + Fee rules / preview ───────────────────────────────

export function useAllocationRules() {
  return useQuery({
    queryKey: ['warehouse-allocation-rules'],
    queryFn: () => warehouseService.listAllocationRules().then((r) => r.data),
  });
}

export function useFeeRules() {
  return useQuery({
    queryKey: ['warehouse-fee-rules'],
    queryFn: () => warehouseService.listFeeRules().then((r) => r.data),
  });
}

function useRuleMutation<TArgs>(fn: (args: TArgs) => Promise<unknown>, keys: string[]) {
  const qc = useQueryClient();
  return useMutation({
    mutationFn: fn,
    onSuccess: () => keys.forEach((k) => qc.invalidateQueries({ queryKey: [k] })),
  });
}

export const useCreateAllocationRule = () =>
  useRuleMutation(
    (payload: SaveAllocationRulePayload) => warehouseService.createAllocationRule(payload),
    ['warehouse-allocation-rules'],
  );
export const useUpdateAllocationRule = () =>
  useRuleMutation(
    (args: { id: string; payload: Partial<SaveAllocationRulePayload> }) =>
      warehouseService.updateAllocationRule(args.id, args.payload),
    ['warehouse-allocation-rules'],
  );
export const useDeleteAllocationRule = () =>
  useRuleMutation((id: string) => warehouseService.deleteAllocationRule(id), ['warehouse-allocation-rules']);

export const useCreateFeeRule = () =>
  useRuleMutation((payload: SaveFeeRulePayload) => warehouseService.createFeeRule(payload), ['warehouse-fee-rules']);
export const useUpdateFeeRule = () =>
  useRuleMutation(
    (args: { id: string; payload: Partial<SaveFeeRulePayload> }) =>
      warehouseService.updateFeeRule(args.id, args.payload),
    ['warehouse-fee-rules'],
  );
export const useDeleteFeeRule = () =>
  useRuleMutation((id: string) => warehouseService.deleteFeeRule(id), ['warehouse-fee-rules']);

export function useFeePreview(inventoryId?: string, billingCurrency: 'ETB' | 'USD' = 'USD') {
  return useQuery({
    queryKey: ['warehouse-inventory', inventoryId, 'fee-preview', billingCurrency],
    queryFn: () => warehouseService.feePreview(inventoryId as string, billingCurrency).then((r) => r.data),
    enabled: Boolean(inventoryId),
  });
}

// ── Batch 6: Warehouse fee invoices ─────────────────────────────────────────

export function useWarehouseInvoices(filter?: WarehouseInvoiceFilter) {
  return useQuery({
    queryKey: ['warehouse-fee-invoices', filter ?? {}],
    queryFn: () => warehouseService.listInvoices(filter).then((r) => r.data),
  });
}

export function useWarehouseInvoice(id?: string) {
  return useQuery({
    queryKey: ['warehouse-fee-invoices', 'detail', id],
    queryFn: () => warehouseService.getInvoice(id as string).then((r) => r.data),
    enabled: Boolean(id),
  });
}

export function useInvoicesForInventory(inventoryId?: string) {
  return useQuery({
    queryKey: ['warehouse-inventory', inventoryId, 'fee-invoices'],
    queryFn: () => warehouseService.invoicesForInventory(inventoryId as string).then((r) => r.data),
    enabled: Boolean(inventoryId),
  });
}

function useInvoiceInvalidation() {
  const qc = useQueryClient();
  return () => {
    qc.invalidateQueries({ queryKey: ['warehouse-fee-invoices'] });
    qc.invalidateQueries({ queryKey: ['warehouse-inventory'] });
  };
}

export function useGenerateInvoice() {
  const onSuccess = useInvoiceInvalidation();
  return useMutation({
    mutationFn: ({
      inventoryId,
      confirmZero,
      billingCurrency,
    }: {
      inventoryId: string;
      confirmZero?: boolean;
      billingCurrency?: 'ETB' | 'USD';
    }) => warehouseService.generateInvoice(inventoryId, confirmZero, billingCurrency).then((r) => r.data),
    onSuccess,
  });
}

export function useCancelInvoice() {
  const onSuccess = useInvoiceInvalidation();
  return useMutation({ mutationFn: (id: string) => warehouseService.cancelInvoice(id), onSuccess });
}

export function usePayInvoice() {
  const onSuccess = useInvoiceInvalidation();
  return useMutation({
    mutationFn: ({ id, payload }: { id: string; payload: PayInvoicePayload }) =>
      warehouseService.payInvoice(id, payload),
    onSuccess,
  });
}

export function useGateClearance() {
  const onSuccess = useInvoiceInvalidation();
  return useMutation({ mutationFn: (inventoryId: string) => warehouseService.gateClearance(inventoryId), onSuccess });
}