import { api } from '@/lib/api'
import type {
  PaginatedResponse,
  PriceListResponse,
  SchemeResponse,
  SchemeRuleType,
} from '@/types/api'

import type { PageParams } from './master'

// ─── Price Lists ──────────────────────────────────────────────────────────────

export interface PriceListItemBody {
  itemId: string
  price: number
  minPrice?: number | null
}

export interface PriceListBody {
  name: string
  regionId?: string | null
  effectiveFrom: string
  effectiveTo: string
  isActive?: boolean
  items: PriceListItemBody[]
}

export interface PriceListListParams extends PageParams {
  regionId?: string
  isActive?: boolean
}

export const priceLists = {
  list: (params?: PriceListListParams) =>
    api.get<PaginatedResponse<PriceListResponse>>('/price-lists', { params }).then(r => r.data),

  get: (id: string) =>
    api.get<PriceListResponse>(`/price-lists/${id}`).then(r => r.data),

  create: (body: PriceListBody) =>
    api.post<PriceListResponse>('/price-lists', body).then(r => r.data),

  update: (id: string, body: Partial<PriceListBody>) =>
    api.put<PriceListResponse>(`/price-lists/${id}`, body).then(r => r.data),
}

// ─── Schemes ──────────────────────────────────────────────────────────────────

export interface BundleComponentBody {
  itemId: string
  qty: number
}

export interface SchemeBody {
  name: string
  ruleType: SchemeRuleType
  ruleConfig?: string | null
  triggerItemId?: string | null
  triggerQty?: number
  freeItemId?: string | null
  freeQty?: number
  bundleComponents?: BundleComponentBody[]
  regionId?: string | null
  eligibleSegment?: string | null
  dateRangeFrom: string
  dateRangeTo: string
  agentLimitExempt?: boolean
  baselineExpectedSales?: number
  isActive?: boolean
}

export interface SchemeListParams extends PageParams {
  regionId?: string
  isActive?: boolean
}

export const schemes = {
  list: (params?: SchemeListParams) =>
    api.get<PaginatedResponse<SchemeResponse>>('/schemes', { params }).then(r => r.data),

  get: (id: string) =>
    api.get<SchemeResponse>(`/schemes/${id}`).then(r => r.data),

  create: (body: SchemeBody) =>
    api.post<SchemeResponse>('/schemes', body).then(r => r.data),

  update: (id: string, body: Partial<SchemeBody>) =>
    api.put<SchemeResponse>(`/schemes/${id}`, body).then(r => r.data),
}