import { api } from '@/lib/api'
import type { PaginatedResponse } from '@/types/api'

import type { PageParams } from './master'

export interface ProductStockRow {
  itemId: string
  sku: string
  name: string
  brand: string | null
  category: string
  subCategory: string | null
  uom: string
  salePrice: number | null
  costPrice: number | null
  reorderLevel: number | null
  warehouseQty: number
  vehicleQty: number
  totalQty: number
  stockValue: number
  isLowStock: boolean
  isActive: boolean
}

export interface ProductSalesRow {
  itemId: string
  sku: string
  name: string
  orders: number
  stores: number
  qtyOrdered: number
  qtyFulfilled: number
  salesValue: number
  costValue: number | null
  margin: number | null
  marginPercent: number | null
}

export interface ProductReturnRow {
  itemId: string
  sku: string
  name: string
  returnedQty: number
  returnedValue: number
  soldQty: number
  returnPercent: number | null
  qtyByReason: Record<string, number>
}

export interface ProductReportSummary {
  itemCount: number
  totalQty: number
  totalValue: number
  totalSales: number
}

export interface ProductReportParams extends PageParams {
  brandId?: string
  categoryId?: string
  subCategoryId?: string
  warehouseId?: string
  regionId?: string
  routeId?: string
  storeId?: string
  from?: string
  to?: string
  search?: string
}

export interface ProductStockParams extends ProductReportParams {
  activeOnly?: boolean
  lowStockOnly?: boolean
}

export const productReports = {
  stock: (params?: ProductStockParams) =>
    api.get<PaginatedResponse<ProductStockRow>>('/reports/products/stock', { params }).then(r => r.data),

  sales: (params?: ProductReportParams) =>
    api.get<PaginatedResponse<ProductSalesRow>>('/reports/products/sales', { params }).then(r => r.data),

  returns: (params?: ProductReportParams) =>
    api.get<PaginatedResponse<ProductReturnRow>>('/reports/products/returns', { params }).then(r => r.data),

  summary: (params?: Pick<ProductReportParams, 'brandId' | 'categoryId' | 'warehouseId' | 'from' | 'to'>) =>
    api.get<ProductReportSummary>('/reports/products/summary', { params }).then(r => r.data),
}