import request from '@/utils/request'

// ==================== 维保工单类型 ====================
export type TaskType = 'PREVENTIVE' | 'CORRECTIVE' | 'EMERGENCY'
export type TaskPriority = 'LOW' | 'MEDIUM' | 'HIGH' | 'URGENT'
export type TaskStatus = 'PENDING' | 'ASSIGNED' | 'IN_PROGRESS' | 'COMPLETED' | 'VERIFIED' | 'CANCELLED'
export type TriggerType = 'PLAN' | 'INSPECTION' | 'FAULT' | 'MANUAL'

export interface PartsUsed {
  partsId?: string
  partsName: string
  quantity: number
  unitPrice: number
  totalPrice: number
}

export interface MaintenanceTask {
  id?: string
  taskNo?: string
  planId?: string
  equipmentId: string
  equipmentName?: string
  projectId?: string
  taskType: TaskType
  triggerType?: TriggerType
  priority: TaskPriority
  status: TaskStatus
  title: string
  description?: string
  assignedTo?: string
  assignedVendor?: string
  assignedDate?: string
  actualStart?: string
  actualEnd?: string
  actualHours?: number
  faultCause?: string
  solution?: string
  result?: string
  partsUsed?: PartsUsed[]
  laborCost?: number
  partsCost?: number
  totalCost?: number
  completedBy?: string
  completedDate?: string
  verifiedBy?: string
  verifiedDate?: string
  rating?: number
  remark?: string
  photos?: string[]
  signature?: string
  createdBy?: string
  createdAt?: string
  updatedAt?: string
}

export interface MaintenanceTaskForm {
  id?: string
  planId?: string
  equipmentId: string
  taskType: TaskType
  triggerType?: TriggerType
  priority: TaskPriority
  title: string
  description?: string
  assignedTo?: string
  assignedVendor?: string
  remark?: string
}

export interface CompleteTaskData {
  actualHours?: number
  faultCause?: string
  solution?: string
  result?: string
  partsUsed?: PartsUsed[]
  laborCost?: number
  partsCost?: number
  photos?: string[]
  signature?: string
  completedBy?: string
}

export interface VerifyTaskData {
  verifiedBy: string
  remark?: string
  rating?: number
}

// ==================== 维保工单 API ====================

// 获取维保工单列表
export function getMaintenanceTasks(projectId?: string) {
  return request.get<MaintenanceTask[]>(`/api/ops/maintenance-tasks`, {
    params: { projectId }
  })
}

// 根据状态获取维保工单列表
export function getMaintenanceTasksByStatus(status: TaskStatus) {
  return request.get<MaintenanceTask[]>(`/api/ops/maintenance-tasks`, {
    params: { status }
  })
}

// 获取维保工单详情
export function getMaintenanceTask(id: string) {
  return request.get<MaintenanceTask>(`/api/ops/maintenance-tasks/${id}`)
}

// 创建维保工单
export function createMaintenanceTask(data: MaintenanceTaskForm) {
  return request.post<MaintenanceTask>('/api/ops/maintenance-tasks', data)
}

// 更新维保工单
export function updateMaintenanceTask(id: string, data: Partial<MaintenanceTaskForm>) {
  return request.put<MaintenanceTask>(`/api/ops/maintenance-tasks/${id}`, data)
}

// 删除维保工单
export function deleteMaintenanceTask(id: string) {
  return request.delete<void>(`/api/ops/maintenance-tasks/${id}`)
}

// 状态流转 API
export function assignTask(id: string, assignedTo: string, assignedDate?: string) {
  return request.post(`/api/ops/maintenance-tasks/${id}/assign`, { assignedTo, assignedDate })
}

export function startTask(id: string) {
  return request.post(`/api/ops/maintenance-tasks/${id}/start`)
}

export function completeTask(id: string, data: { result?: string; actualHours?: number; cost?: number; completedBy?: string }) {
  return request.post(`/api/ops/maintenance-tasks/${id}/complete`, data)
}

export function completeTaskWithDetails(id: string, data: CompleteTaskData) {
  return request.post(`/api/ops/maintenance-tasks/${id}/complete-details`, data)
}

export function verifyTask(id: string, data: VerifyTaskData) {
  return request.post(`/api/ops/maintenance-tasks/${id}/verify`, data)
}

export function cancelTask(id: string) {
  return request.post(`/api/ops/maintenance-tasks/${id}/cancel`)
}

export function rateTask(id: string, rating: number) {
  return request.post(`/api/ops/maintenance-tasks/${id}/rate`, null, { params: { rating } })
}

// 获取工单统计
export function getMaintenanceTaskStats() {
  return request.get<{
    total: number
    pending: number
    assigned: number
    inProgress: number
    completed: number
    verified: number
    cancelled: number
    completedToday: number
    createdToday: number
    overdue: number
    avgCompleteHours: number
    avgRating: number
    byPriority: Record<string, number>
    byTriggerType: Record<string, number>
  }>('/api/ops/maintenance-tasks/stats')
}

// ==================== 常量选项 ====================
export const TASK_TYPE_OPTIONS = [
  { value: 'PREVENTIVE', label: '预防性维护' },
  { value: 'CORRECTIVE', label: '纠正性维护' },
  { value: 'EMERGENCY', label: '紧急维修' }
]

export const TRIGGER_TYPE_OPTIONS = [
  { value: 'PLAN', label: '计划触发' },
  { value: 'INSPECTION', label: '巡检触发' },
  { value: 'FAULT', label: '故障触发' },
  { value: 'MANUAL', label: '手动创建' }
]

export const TASK_PRIORITY_OPTIONS = [
  { value: 'LOW', label: '低' },
  { value: 'MEDIUM', label: '中' },
  { value: 'HIGH', label: '高' },
  { value: 'URGENT', label: '紧急' }
]

export const TASK_STATUS_OPTIONS = [
  { value: 'PENDING', label: '待分配' },
  { value: 'ASSIGNED', label: '已派单' },
  { value: 'IN_PROGRESS', label: '执行中' },
  { value: 'COMPLETED', label: '已完成' },
  { value: 'VERIFIED', label: '已验收' },
  { value: 'CANCELLED', label: '已取消' }
]

// 状态颜色映射
export const STATUS_COLOR_MAP: Record<TaskStatus, string> = {
  'PENDING': 'default',
  'ASSIGNED': 'blue',
  'IN_PROGRESS': 'orange',
  'COMPLETED': 'green',
  'VERIFIED': 'cyan',
  'CANCELLED': 'red'
}

// 优先级颜色映射
export const PRIORITY_COLOR_MAP: Record<TaskPriority, string> = {
  'LOW': 'green',
  'MEDIUM': 'blue',
  'HIGH': 'orange',
  'URGENT': 'red'
}