import { request } from '@/utils/request'

/** 周期模板 */
export interface RecurringTemplate {
  id: number
  user_id: number
  amount: number
  type: 'expense' | 'income'
  category_id: number
  note: string
  frequency: 'weekly' | 'monthly' | 'yearly'
  next_date: string
  end_date: string | null
  is_active: number
  group_id: number | null
  category_name?: string
  category_icon?: string
  category_color?: string
  created_at: string
  updated_at: string
}

/** 获取周期模板列表 */
export function getRecurringTemplates() {
  return request<RecurringTemplate[]>({ url: '/recurring' })
}

/** 创建周期模板 */
export function createRecurringTemplate(data: {
  amount: number
  type: 'expense' | 'income'
  category_id: number
  note?: string
  frequency: 'weekly' | 'monthly' | 'yearly'
  next_date: string
  end_date?: string | null
  group_id?: number | null
}) {
  return request<{ id: number }>({ url: '/recurring', method: 'POST', data })
}

/** 更新周期模板 */
export function updateRecurringTemplate(id: number, data: {
  amount?: number
  type?: 'expense' | 'income'
  category_id?: number
  note?: string
  frequency?: 'weekly' | 'monthly' | 'yearly'
  next_date?: string
  end_date?: string | null
  is_active?: number
}) {
  return request({ url: `/recurring/${id}`, method: 'PUT', data })
}

/** 删除周期模板 */
export function deleteRecurringTemplate(id: number) {
  return request({ url: `/recurring/${id}`, method: 'DELETE' })
}

/** 同步周期账单（生成到期交易） */
export function syncRecurring() {
  return request<{ generated: number }>({ url: '/recurring/sync', method: 'POST' })
}