import { request } from './request'

// 支出类型
export function getExpenseTypeList(params: { pageNum: number; pageSize: number; typeName?: string; status?: string }) {
  return request.get('/exp/expense-type/page', { params })
}

export function getExpenseTypeTree() {
  return request.get('/exp/expense-type/tree')
}

export function createExpenseType(data: any) {
  return request.post('/exp/expense-type', data)
}

export function updateExpenseType(id: number, data: any) {
  return request.put(`/exp/expense-type/${id}`, data)
}

export function deleteExpenseType(id: number) {
  return request.delete(`/exp/expense-type/${id}`)
}

// 支出管理
export function getExpenseList(params: { pageNum: number; pageSize: number; title?: string; expenseType?: number; approvalStatus?: number; payStatus?: number }) {
  return request.get('/exp/expense/page', { params })
}

export function getExpenseById(id: number) {
  return request.get(`/exp/expense/${id}`)
}

export function createExpense(data: any) {
  return request.post('/exp/expense', data)
}

export function updateExpense(id: number, data: any) {
  return request.put(`/exp/expense/${id}`, data)
}

export function deleteExpense(id: number) {
  return request.delete(`/exp/expense/${id}`)
}

// 审批流程
export function submitExpense(id: number) {
  return request.post(`/exp/expense/${id}/submit`)
}

export function withdrawExpense(id: number) {
  return request.post(`/exp/expense/${id}/withdraw`)
}

export function approveExpense(id: number, comment: string) {
  return request.put(`/exp/expense/${id}/approve?comment=${encodeURIComponent(comment)}`)
}

export function rejectExpense(id: number, comment: string) {
  return request.put(`/exp/expense/${id}/reject?comment=${encodeURIComponent(comment)}`)
}

export function confirmPayExpense(id: number, payChannel: string, payVoucher?: string) {
  return request.put(`/exp/expense/${id}/confirm-pay?payChannel=${payChannel}&payVoucher=${payVoucher || ''}`)
}

// 导出支出明细
export function exportExpense(params?: { title?: string; expenseType?: number; approvalStatus?: number; payStatus?: number }) {
  const baseUrl = import.meta.env.VITE_API_URL || ''
  const token = localStorage.getItem('token')
  const tenantId = localStorage.getItem('tenantId') || '1'
  
  const queryParams = new URLSearchParams()
  if (params?.title) queryParams.append('title', params.title)
  if (params?.expenseType) queryParams.append('expenseType', String(params.expenseType))
  if (params?.approvalStatus !== undefined) queryParams.append('approvalStatus', String(params.approvalStatus))
  if (params?.payStatus !== undefined) queryParams.append('payStatus', String(params.payStatus))
  
  const queryString = queryParams.toString()
  const url = `${baseUrl}/exp/expense/export${queryString ? '?' + queryString : ''}`
  
  return fetch(url, {
    headers: {
      Authorization: `Bearer ${token}`,
      'X-Tenant-Id': tenantId
    }
  }).then(response => {
    if (!response.ok) throw new Error('导出失败')
    
    const contentDisposition = response.headers.get('Content-Disposition')
    let filename = '支出明细.xlsx'
    if (contentDisposition) {
      const match = contentDisposition.match(/filename\*=utf-8''(.+)/i)
      if (match && match[1]) {
        filename = decodeURIComponent(match[1])
      }
    }
    
    return response.blob().then(blob => ({ blob, filename }))
  })
}