import { apiRequestData } from "./http";
import type { AssetStatus } from "./assets";

export type InventoryCheckScopeType = "all" | "legal_entity" | "cost_center" | "location";
export type InventoryCheckStatus = "draft" | "counting" | "completed";
export type InventoryCheckResult = "matched" | "missing" | "extra" | "damaged";

export type InventoryCheckItem = {
  id: string;
  assetId: string;
  result: InventoryCheckResult;
  note: string | null;
  asset: {
    id: string;
    assetNo: string;
    name: string;
    status: AssetStatus;
    legalEntityId: string;
    costCenterId: string;
    location: string | null;
    assigneeEmployeeId: string | null;
  } | null;
};

export type InventoryCheck = {
  id: string;
  checkNo: string;
  scopeType: InventoryCheckScopeType;
  scopeRefId: string | null;
  status: InventoryCheckStatus;
  startedAt: string | null;
  completedAt: string | null;
  createdAt: string | null;
  updatedAt: string | null;
  items: InventoryCheckItem[];
};

function toQueryString(query: Record<string, string | undefined>) {
  const params = new URLSearchParams();
  for (const [key, value] of Object.entries(query)) {
    if (!value) {
      continue;
    }
    params.set(key, value);
  }
  const encoded = params.toString();
  return encoded ? `?${encoded}` : "";
}

export async function fetchInventoryChecks(params: { status?: InventoryCheckStatus; scopeType?: InventoryCheckScopeType } = {}) {
  return apiRequestData<{ items: InventoryCheck[] }>(
    `/api/inventory-checks${toQueryString(params as Record<string, string | undefined>)}`,
  );
}

export async function createInventoryCheck(payload: { scopeType: InventoryCheckScopeType; scopeRefId?: string | null }) {
  return apiRequestData<{ inventoryCheck: InventoryCheck }>("/api/inventory-checks", {
    method: "POST",
    body: JSON.stringify(payload),
  });
}

export async function startInventoryCheck(inventoryCheckId: string) {
  return apiRequestData<{ inventoryCheck: InventoryCheck }>(`/api/inventory-checks/${inventoryCheckId}/start`, {
    method: "POST",
  });
}

export async function recordInventoryItems(
  inventoryCheckId: string,
  payload: { items: Array<{ assetId: string; result: InventoryCheckResult; note?: string | null }> },
) {
  return apiRequestData<{ inventoryCheck: InventoryCheck }>(`/api/inventory-checks/${inventoryCheckId}/items`, {
    method: "POST",
    body: JSON.stringify(payload),
  });
}

export async function completeInventoryCheck(inventoryCheckId: string) {
  return apiRequestData<{ inventoryCheck: InventoryCheck }>(`/api/inventory-checks/${inventoryCheckId}/complete`, {
    method: "POST",
  });
}