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

/** 月结状态：1草稿 2待审批 3已审定（=已锁定）4已驳回 */
export const SETTLEMENT_STATUS = {
  DRAFT: 1,
  PENDING: 2,
  APPROVED: 3,
  REJECTED: 4,
} as const

export function settlementStatusLabel(status: number): string {
  return (
    { 1: '草稿', 2: '待审批', 3: '已审定（锁定）', 4: '已驳回' }[status] ?? String(status)
  )
}

export function settlementStatusTagType(
  status: number,
): 'primary' | 'success' | 'danger' | 'warning' | 'info' {
  return (
    ({ 1: 'info', 2: 'primary', 3: 'success', 4: 'danger', 5: 'info' } as const)[status] ?? 'info'
  )
}

export interface SettlementItem {
  id: number
  personnel_id: number
  personnel_name: string
  role_code: string
  calc_type: number
  performance_sum: string
  payable_sum: string
  basic_amount: string | null
  salary_mode: string | null
  net_amount: string | null
  is_probation: number
  probation_note: string | null
}

export interface Settlement {
  id: number
  settlement_month: string
  status: number
  total_performance: string | null
  total_payable: string | null
  person_count: number
  approval_order_no: string | null
  submitter_name: string
  locked_at: string | null
  locked_by: string | null
  create_time: string
}

export interface SettlementDetail extends Settlement {
  items: SettlementItem[]
}

export interface SettlementQueryParams {
  pageNum?: number
  pageSize?: number
  status?: number
}

export function listSettlements(params: SettlementQueryParams): Promise<PageData<Settlement>> {
  return request({ url: '/v1/settlements', method: 'get', params })
}

export function getSettlement(id: number): Promise<SettlementDetail> {
  return request({ url: `/v1/settlements/${id}`, method: 'get' })
}

export function generateSettlement(month: string): Promise<SettlementDetail> {
  return request({ url: '/v1/settlements/generate', method: 'post', data: { month } })
}

export function submitSettlement(id: number): Promise<SettlementDetail> {
  return request({ url: `/v1/settlements/${id}/submit`, method: 'post' })
}

/** 调整单（已锁定月份的补发/扣减） */
export interface AdjustmentRow {
  id: number
  order_no: string
  settlement_month: string
  personnel_name: string
  direction: number
  amount: string
  reason: string
  status: number
}

export function createAdjustment(data: {
  settlement_month: string
  personnel_id: number
  direction: number
  amount: string
  reason: string
}): Promise<Record<string, unknown>> {
  return request({ url: '/v1/settlements/adjustments', method: 'post', data })
}

export function listAdjustments(): Promise<AdjustmentRow[]> {
  return request({ url: '/v1/settlements/adjustments', method: 'get' })
}