import { apiClient } from '@/shared/api/client'
import type { ApiResponse, PaginatedResult } from '@/shared/types/types'

// 结算差异判定阈值(分)。号主应得与钱包入账/线下结算差额绝对值达到此值即标红。
// 与后端 settlementDiffThresholdCent 保持一致,改口径时两端同步。
export const SETTLEMENT_DIFF_THRESHOLD_CENT = 5

export interface FinanceSummary {
  total_flow_amount_cent: number
  total_refund_amount_cent: number
  pending_refund_amount_cent: number
  channel_net_amount_cent: number
  platform_income_amount_cent: number
  normal_order_profit_amount_cent: number
  pickup_profit_amount_cent: number
  /** 普通（租赁）订单利润对应的已结算订单数量 */
  settled_order_count: number
  /** 线下提号利润对应的已完成提号笔数 */
  pickup_completed_count: number
  owner_should_income_amount_cent: number
  owner_wallet_income_amount_cent: number
  owner_effective_settlement_amount_cent: number
  offline_settlement_amount_cent: number
  offline_settlement_pending_amount_cent: number
  settlement_diff_amount_cent: number
  estimated_income_amount_cent: number
  successful_pay_count: number
  successful_refund_count: number
  full_refund_count: number
  partial_refund_count: number
  pending_refund_count: number
  pending_settle_order_count: number
  offline_settlement_pending_count: number
  financial_exception_count: number
}

export interface FinanceDailyItem {
  date: string
  total_flow_amount_cent: number
  total_refund_amount_cent: number
  pending_refund_amount_cent: number
  channel_net_amount_cent: number
  platform_income_amount_cent: number
  owner_should_income_amount_cent: number
  owner_wallet_income_amount_cent: number
  owner_effective_settlement_amount_cent: number
  offline_settlement_amount_cent: number
  offline_settlement_pending_amount_cent: number
  settlement_diff_amount_cent: number
  estimated_income_amount_cent: number
  successful_pay_count: number
  successful_refund_count: number
  full_refund_count: number
  partial_refund_count: number
  pending_refund_count: number
  settled_order_count: number
  pickup_completed_count: number
  /** 正常（租赁）订单已退全款笔数（不含撞车商城退款） */
  normal_full_refund_count: number
  /** 线下提号取消笔数 */
  pickup_cancelled_count: number
  sales_count: number
  paid_order_count: number
  offline_settlement_pending_count: number
  offline_settlement_paid_amount_cent: number
  offline_settlement_paid_count: number
  withdrawal_paid_amount_cent: number
  withdrawal_paid_count: number
  manual_paid_amount_cent: number
  manual_paid_count: number
  operating_expense_amount_cent: number
  operating_expense_count: number
  disbursement_paid_amount_cent: number
  disbursement_paid_count: number
}

export interface FinancePickupSummary {
  settled_amount_cent: number
  profit_amount_cent: number
  completed_count: number
  in_progress_count: number
}

export interface FinanceMohongSummary {
  flow_amount_cent: number
  refund_amount_cent: number
  net_amount_cent: number
  paid_order_count: number
}

export interface FinanceDisbursementSummary {
  paid_amount_cent: number
  paid_count: number
  pending_payment_amount_cent: number
  pending_payment_count: number
  offline_settlement_paid_amount_cent: number
  offline_settlement_paid_count: number
  offline_settlement_pending_amount_cent: number
  offline_settlement_pending_count: number
  withdrawal_amount_cent: number
  withdrawal_fee_amount_cent: number
  withdrawal_paid_amount_cent: number
  withdrawal_paid_count: number
  withdrawal_pending_amount_cent: number
  withdrawal_pending_count: number
  withdrawal_review_amount_cent: number
  withdrawal_review_count: number
  manual_paid_amount_cent: number
  manual_paid_count: number
}

export interface OperatingExpenseSummary {
  amount_cent: number
  count: number
}

export interface FinanceDisbursementListSummary {
  record_count: number
  paid_amount_cent: number
  paid_count: number
  payment_pending_amount_cent: number
  payment_pending_count: number
  review_pending_amount_cent: number
  review_pending_count: number
  withdrawal_fee_amount_cent: number
}

export interface FinanceDisbursementItem {
  source_type: 'platform_managed' | 'withdrawal' | 'manual_offline'
  source_id: number
  business_no: string
  order_id?: number
  withdrawal_id?: number
  user_id: number
  payee_name: string
  payee_phone: string
  uploader_name: string
  source_channel: string
  account_type: string
  account_name: string
  account_no: string
  bank_name: string
  amount_cent: number
  fee_cent: number
  actual_amount_cent: number
  status: 'review_pending' | 'payment_pending' | 'paid' | 'rejected' | 'cancelled' | 'voided'
  raw_status: string
  business_created_at?: string
  paid_at?: string
  operator_id?: number
  operator_name: string
  remark: string
  category: string
  custom_category_name: string
  voucher_url: string
  voided_at?: string
  voided_by?: number
  voided_by_name: string
  void_reason: string
}

export interface CreateManualDisbursementPayload {
  category: string
  custom_category_name?: string
  payee_name: string
  amount_cent: number
  paid_at: string
  remark: string
  voucher_url?: string
}

export interface ManualDisbursement {
  id: number
  disbursement_no: string
  category: string
  custom_category_name: string
  payee_name: string
  amount_cent: number
  paid_at: string
  remark: string
  voucher_url: string
  status: 'paid' | 'voided'
  created_by: number
  created_by_name: string
  voided_by?: number
  voided_by_name: string
  voided_at?: string
  void_reason: string
  created_at: string
}

export interface FinanceDisbursementQuery extends FinanceDateQuery {
  source_type?: string
  status?: string
  date_type?: string
  business_no?: string
  keyword?: string
  user_id?: string
  page?: number
  page_size?: number
}

export interface FinanceDisbursementList {
  items: FinanceDisbursementItem[]
  total: number
  page: number
  page_size: number
  summary: FinanceDisbursementListSummary
}

export interface FinanceDashboard {
  summary: FinanceSummary
  daily_items: FinanceDailyItem[]
  pickup_summary: FinancePickupSummary
  mohong_summary: FinanceMohongSummary
  disbursement_summary: FinanceDisbursementSummary
  operating_expense_summary: OperatingExpenseSummary
  generated_at: string
}

export interface OperatingExpense {
  id: number
  expense_no: string
  category: string
  payee_name: string
  amount_cent: number
  occurred_at: string
  remark: string
  voucher_url: string
  status: 'paid' | 'voided'
  created_by: number
  created_by_name: string
  voided_by?: number
  voided_by_name: string
  voided_at?: string
  void_reason: string
  created_at: string
}

export interface OperatingExpenseQuery extends FinanceDateQuery {
  status?: string
  category?: string
  keyword?: string
  date_type?: 'created' | 'occurred'
  page?: number
  page_size?: number
}

export interface OperatingExpenseListSummary {
  record_count: number
  paid_amount_cent: number
  paid_count: number
}

export interface OperatingExpenseList {
  items: OperatingExpense[]
  total: number
  page: number
  page_size: number
  summary: OperatingExpenseListSummary
}

export interface CreateOperatingExpensePayload {
  category: string
  payee_name: string
  amount_cent: number
  occurred_at: string
  remark: string
  voucher_url?: string
}

export interface FinanceDetail {
  order_id: number
  order_no: string
  order_status: string
  settlement_status: string
  refund_status: string
  handoff_mode: string
  settlement_mode: string
  offline_settlement_status: string
  offline_settlement_amount_cent: number
  renter_id: number
  renter_phone: string
  renter_nickname: string
  owner_id: number
  owner_phone: string
  owner_nickname: string
  order_rent_amount_cent: number
  order_deposit_amount_cent: number
  checkout_rent_amount_cent: number
  checkout_renter_refund_cent: number
  checkout_owner_income_cent: number
  checkout_platform_fee_cent: number
  owner_wallet_income_amount_cent: number
  owner_effective_settlement_amount_cent: number
  paid_amount_cent: number
  refunded_amount_cent: number
  refunding_amount_cent: number
  failed_refund_amount_cent: number
  channel_net_amount_cent: number
  platform_net_amount_cent: number
  settlement_diff_amount_cent: number
  finance_status: string
  created_at: string
  settled_at?: string
  offline_settled_at?: string
}

export interface FinanceDateQuery {
  start_date?: string
  end_date?: string
}

export interface FinanceDetailQuery extends FinanceDateQuery {
  order_no?: string
  user_id?: string
  order_status?: string
  settlement_status?: string
  settlement_mode?: string
  offline_settlement_status?: string
  date_type?: string
  page?: number
  page_size?: number
}

function cleanParams(query: object) {
  return Object.fromEntries(
    Object.entries(query).filter(([, value]) => value !== '' && value !== undefined)
  )
}

export async function fetchFinanceDashboard(query: FinanceDateQuery = {}) {
  const { data } = await apiClient.get<ApiResponse<FinanceDashboard>>('/admin/finance/dashboard', {
    params: cleanParams(query),
  })
  return {
    ...data.data,
    daily_items: Array.isArray(data.data?.daily_items) ? data.data.daily_items : [],
    pickup_summary: data.data?.pickup_summary ?? {
      settled_amount_cent: 0,
      profit_amount_cent: 0,
      completed_count: 0,
      in_progress_count: 0,
    },
    mohong_summary: data.data?.mohong_summary ?? {
      flow_amount_cent: 0,
      refund_amount_cent: 0,
      net_amount_cent: 0,
      paid_order_count: 0,
    },
    disbursement_summary: data.data?.disbursement_summary ?? {
      paid_amount_cent: 0,
      paid_count: 0,
      pending_payment_amount_cent: 0,
      pending_payment_count: 0,
      offline_settlement_paid_amount_cent: 0,
      offline_settlement_paid_count: 0,
      offline_settlement_pending_amount_cent: 0,
      offline_settlement_pending_count: 0,
      withdrawal_amount_cent: 0,
      withdrawal_fee_amount_cent: 0,
      withdrawal_paid_amount_cent: 0,
      withdrawal_paid_count: 0,
      withdrawal_pending_amount_cent: 0,
      withdrawal_pending_count: 0,
      withdrawal_review_amount_cent: 0,
      withdrawal_review_count: 0,
      manual_paid_amount_cent: 0,
      manual_paid_count: 0,
    },
    operating_expense_summary: data.data?.operating_expense_summary ?? {
      amount_cent: 0,
      count: 0,
    },
  }
}

export async function fetchFinanceDetails(query: FinanceDetailQuery = {}) {
  const { data } = await apiClient.get<ApiResponse<PaginatedResult<FinanceDetail>>>(
    '/admin/finance/details',
    { params: cleanParams(query) }
  )
  const result = data.data
  return {
    items: Array.isArray(result?.items) ? result.items : [],
    total: Number(result?.total ?? 0),
    page: Number(result?.page ?? query.page ?? 1),
    page_size: Number(result?.page_size ?? query.page_size ?? 20),
  }
}

export async function fetchFinanceDisbursements(query: FinanceDisbursementQuery = {}) {
  const { data } = await apiClient.get<ApiResponse<FinanceDisbursementList>>(
    '/admin/finance/disbursements',
    { params: cleanParams(query) }
  )
  const result = data.data
  return {
    items: Array.isArray(result?.items) ? result.items : [],
    total: Number(result?.total ?? 0),
    page: Number(result?.page ?? query.page ?? 1),
    page_size: Number(result?.page_size ?? query.page_size ?? 20),
    summary: result?.summary ?? {
      record_count: 0,
      paid_amount_cent: 0,
      paid_count: 0,
      payment_pending_amount_cent: 0,
      payment_pending_count: 0,
      review_pending_amount_cent: 0,
      review_pending_count: 0,
      withdrawal_fee_amount_cent: 0,
    },
  }
}

export async function fetchOperatingExpenses(query: OperatingExpenseQuery = {}) {
  const { data } = await apiClient.get<ApiResponse<OperatingExpenseList>>(
    '/admin/finance/operating-expenses',
    { params: cleanParams(query) }
  )
  const result = data.data
  return {
    items: Array.isArray(result?.items) ? result.items : [],
    total: Number(result?.total ?? 0),
    page: Number(result?.page ?? query.page ?? 1),
    page_size: Number(result?.page_size ?? query.page_size ?? 20),
    summary: result?.summary ?? { record_count: 0, paid_amount_cent: 0, paid_count: 0 },
  }
}

export async function createOperatingExpense(payload: CreateOperatingExpensePayload) {
  const { data } = await apiClient.post<ApiResponse<OperatingExpense>>(
    '/admin/finance/operating-expenses',
    payload
  )
  return data.data
}

export async function voidOperatingExpense(id: number, reason: string) {
  const { data } = await apiClient.post<ApiResponse<OperatingExpense>>(
    `/admin/finance/operating-expenses/${id}/void`,
    { reason }
  )
  return data.data
}

export async function createManualDisbursement(payload: CreateManualDisbursementPayload) {
  const { data } = await apiClient.post<ApiResponse<ManualDisbursement>>(
    '/admin/finance/manual-disbursements',
    payload
  )
  return data.data
}

export async function voidManualDisbursement(id: number, reason: string) {
  const { data } = await apiClient.post<ApiResponse<ManualDisbursement>>(
    `/admin/finance/manual-disbursements/${id}/void`,
    { reason }
  )
  return data.data
}