import service, { request } from './request'
import type { PageData } from './types'

/** 报表分页：标准分页四字段 + 全筛选合计（summary 非当前页合计） */
export interface ReportSummary {
  row_count: number
  performance_total?: string | null
  payable_total?: string | null
  converted_profit_total?: string | null
  ship_total?: string | null
  received_total?: string | null
  sale_total?: string | null
}

export interface ReportPage<T> extends PageData<T> {
  summary: ReportSummary
}

/** 个人绩效明细行（金额/比例一律字符串，前端不做数值运算） */
export interface PersonalDetailRow {
  ledger_id: number
  business_id: number
  business_no: string
  personnel_id: number
  personnel_name: string
  role_code: string
  role_name: string
  customer_type: string
  product_category: string
  ship_date: string | null
  receipt_date: string
  payment_days: number | null
  rate_text: string
  weight_r: number | null
  payment_weight: string | null
  performance_amount: string | null
  payable_amount: string | null
  converted_profit: string | null
  is_probation: number
  missing_cost: number
  calc_version: number
  settlement_id: number | null
}

export interface DepartmentMemberRow {
  personnel_id: number
  personnel_name: string
  role_code: string
  is_probation: number
  performance_sum: string | null
  payable_sum: string | null
  adjust_extra: string
  adjust_deduct: string
  adjust_net: string
  net_total: string | null
  ledger_ids: number[]
}

export interface DepartmentTeamRow {
  manager_id: number
  manager_name: string
  manager_status: number
  member_count: number
  team_base: string
  team_share_amount: string
  company_share_amount: string
  company_base_ratio: string
  adjust_extra: string
  adjust_deduct: string
  adjust_net: string
  net_total: string
  frozen_amount: string | null
  aggregate_ledger_id: number | null
  members: DepartmentMemberRow[]
}

export interface DepartmentSummary {
  settlement_month: string
  params: {
    team_text: string
    company_text: string
    manager_personal_included: number
    params_as_of: string
  } | null
  teams: DepartmentTeamRow[]
  unassigned: DepartmentMemberRow[]
  company: {
    team_base_total: string
    company_base: string
    company_share_pct: string
    company_share_amount: string
  } | null
  totals: Record<string, string>
}

export interface BusinessStatsRow {
  business_id: number
  business_no: string
  business_date: string | null
  status: number
  customer_name: string | null
  owner_personnel_name: string | null
  total_sale_amount: string | null
  total_ship_amount: string | null
  total_received_amount: string | null
  performance_amount: string | null
  payable_amount: string | null
}

export interface BucketRow {
  code: string
  label: string
  min_days: number | null
  max_days: number | null
  receipt_amount: string | null
  receipt_count: number
  performance_amount: string | null
  payable_amount: string | null
  ledger_count: number
}

export interface GroupRow {
  code: string
  label: string
  receipt_amount: string | null
  performance_amount: string | null
  payable_amount: string | null
  ledger_count: number
}

export interface PaymentStats {
  settlement_month: string | null
  buckets: BucketRow[]
  by_customer_type: GroupRow[]
  by_product_category: GroupRow[]
  totals: Record<string, string | number>
}

export interface PaymentDetailRow {
  ledger_id: number
  receipt_id: number | null
  receipt_batch_no: string | null
  amount: string | null
  business_id: number
  business_no: string
  personnel_id: number
  personnel_name: string
  customer_type: string
  product_category: string
  ship_date: string | null
  receipt_date: string
  payment_days: number | null
  performance_amount: string | null
  payable_amount: string | null
}

/** 报表查询通用筛选（各页按需取用） */
export interface ReportFilterParams {
  pageNum?: number
  pageSize?: number
  settlement_month?: string
  personnel_id?: number
  customer_type?: string
  product_category?: string
  role_code?: string
  manager_id?: number
  keyword?: string
  customer_id?: number
  owner_personnel_id?: number
  status?: number
  date_from?: string
  date_to?: string
  bucket?: string
}

export function listPersonalDetail(
  params: ReportFilterParams,
): Promise<ReportPage<PersonalDetailRow>> {
  return request({ url: '/v1/reports/personal-detail', method: 'get', params })
}

export function getDepartmentSummary(params: ReportFilterParams): Promise<DepartmentSummary> {
  return request({ url: '/v1/reports/department-summary', method: 'get', params })
}

export function listBusinessStats(
  params: ReportFilterParams,
): Promise<ReportPage<BusinessStatsRow>> {
  return request({ url: '/v1/reports/business-stats', method: 'get', params })
}

export function getPaymentStats(params: ReportFilterParams): Promise<PaymentStats> {
  return request({ url: '/v1/reports/payment-stats', method: 'get', params })
}

export function listPaymentDetail(
  params: ReportFilterParams,
): Promise<ReportPage<PaymentDetailRow>> {
  return request({ url: '/v1/reports/payment-detail', method: 'get', params })
}

export function getPaymentDayBuckets(): Promise<
  { code: string; label: string; min_days: number | null; max_days: number | null }[]
> {
  return request({ url: '/v1/reports/payment-day-buckets', method: 'get' })
}

/**
 * 导出报表（文件流）。走 axios 实例（带令牌）而非 request 封装：响应是
 * xlsx 文件流，不是统一信封，拦截器已对 responseType=blob 直通。
 * 服务端文件名是 ASCII（HTTP 头 latin-1 限制），中文名由调用方 link.download 指定。
 */
export async function exportReport(
  code: 'personal-detail' | 'department-summary' | 'business-stats' | 'payment-stats',
  params: ReportFilterParams,
): Promise<Blob> {
  const response = await service.get(`/v1/reports/${code}/export`, {
    params,
    responseType: 'blob',
  })
  return response.data as Blob
}

/** 产品类别展示名：报表需额外覆盖「混合业务」（台账行可为 mixed） */
export function reportCategoryLabel(code: string): string {
  if (code === 'mixed') return '混合业务'
  return { municipal_water: '市政水利', rail_transit: '轨道交通' }[code] ?? code
}