/**
 * 审批流程管理类型定义
 */

// 审批人选择方式
export type ApproverType = 'specified' | 'role' | 'superior' | 'self_select'

// 审批人类型映射
export const ApproverTypeMap: Record<ApproverType, string> = {
  specified: '指定人员',
  role: '按角色',
  superior: '上级领导',
  self_select: '发起人自选'
}

// 审批方式
export type ApprovalMode = 'and' | 'or'

// 审批方式映射
export const ApprovalModeMap: Record<ApprovalMode, string> = {
  and: '会签（所有人通过）',
  or: '或签（任一人通过）'
}

// 审批节点
export interface ApprovalNode {
  id: number
  name: string                     // 节点名称
  approverType: ApproverType       // 审批人选择方式
  approverIds?: number[]           // 指定审批人ID列表（approverType为specified时使用）
  approverRole?: string            // 审批角色（approverType为role时使用）
  approvalMode: ApprovalMode       // 审批方式
  timeoutHours?: number            // 超时时间（小时）
  timeoutAction?: 'skip' | 'reject' // 超时操作
  order: number                    // 节点顺序
}

// 审批流程适用场景
export type ApprovalScenario = 
  | 'project_publish' 
  | 'withdrawal' 
  | 'contract' 
  | 'certification' 
  | 'content'
  // 财务管理审批场景
  | 'expense_reimbursement'  // 费用报销
  | 'payment_request'        // 付款申请
  | 'purchase_request'       // 采购申请
  | 'budget_adjustment'      // 预算调整
  | 'invoice_apply'          // 发票申请

// 场景映射
export const ApprovalScenarioMap: Record<ApprovalScenario, string> = {
  project_publish: '项目发布',
  withdrawal: '提现申请',
  contract: '合同签署',
  certification: '用户认证',
  content: '内容审核',
  // 财务管理
  expense_reimbursement: '费用报销',
  payment_request: '付款申请',
  purchase_request: '采购申请',
  budget_adjustment: '预算调整',
  invoice_apply: '发票申请'
}

// 审批流程模板
export interface ApprovalTemplate {
  id: number
  name: string                     // 模板名称
  description?: string             // 描述
  scenario: ApprovalScenario       // 适用场景
  nodes: ApprovalNode[]            // 审批节点列表
  enabled: boolean                 // 是否启用
  createdAt: string
  updatedAt: string
}

// 审批实例状态
export type ApprovalInstanceStatus = 'pending' | 'in_progress' | 'approved' | 'rejected' | 'withdrawn' | 'cancelled'

// 实例状态映射
export const ApprovalInstanceStatusMap: Record<ApprovalInstanceStatus, string> = {
  pending: '待提交',
  in_progress: '审批中',
  approved: '已通过',
  rejected: '已拒绝',
  withdrawn: '已撤回',
  cancelled: '已取消'
}

// 实例状态徽章
export const ApprovalInstanceStatusBadgeMap: Record<ApprovalInstanceStatus, 'default' | 'processing' | 'success' | 'error' | 'warning'> = {
  pending: 'default',
  in_progress: 'processing',
  approved: 'success',
  rejected: 'error',
  withdrawn: 'warning',
  cancelled: 'default'
}

// 节点审批记录
export interface NodeApprovalRecord {
  nodeId: number
  nodeName: string
  approverId: number
  approverName: string
  approverAvatar: string
  action: 'approve' | 'reject' | 'transfer' | 'return'
  comment?: string
  operatedAt: string
}

// 审批实例
export interface ApprovalInstance {
  id: number
  templateId: number
  templateName: string
  scenario: ApprovalScenario
  
  // 业务关联
  businessType: string             // 业务类型
  businessId: number               // 业务ID
  businessTitle: string            // 业务标题
  
  // 发起人
  initiatorId: number
  initiatorName: string
  initiatorAvatar: string
  
  // 状态
  status: ApprovalInstanceStatus
  currentNodeId?: number           // 当前节点ID
  currentNodeName?: string         // 当前节点名称
  
  // 审批记录
  records: NodeApprovalRecord[]
  
  // 时间
  submittedAt: string
  completedAt?: string
  createdAt: string
}

// 审批人信息（用于选择）
export interface ApproverInfo {
  id: number
  name: string
  avatar: string
  role: string
  department?: string
}

// 模板查询参数
export interface ApprovalTemplateQueryParams {
  page?: number
  pageSize?: number
  keyword?: string
  scenario?: ApprovalScenario
  enabled?: boolean
}

// 模板列表结果
export interface ApprovalTemplateListResult {
  list: ApprovalTemplate[]
  total: number
  page: number
  pageSize: number
}

// 实例查询参数
export interface ApprovalInstanceQueryParams {
  page?: number
  pageSize?: number
  keyword?: string
  scenario?: ApprovalScenario
  status?: ApprovalInstanceStatus
  startDate?: string
  endDate?: string
}

// 实例列表结果
export interface ApprovalInstanceListResult {
  list: ApprovalInstance[]
  total: number
  page: number
  pageSize: number
}

// 统计
export interface ApprovalStats {
  totalTemplates: number
  enabledTemplates: number
  totalInstances: number
  pendingInstances: number
  inProgressInstances: number
  approvedInstances: number
  rejectedInstances: number
}