import request from '@/utils/http'

const BASE = '/web/admin/oa-approval'

// ---------------------------------------------------------------------------
// 工作流角色
// ---------------------------------------------------------------------------

export function fetchOaRoleList(params?: { keyword?: string; status?: string }) {
  return request.get<{ list: any[] }>({
    url: `${BASE}/roles`,
    params
  })
}

export function fetchEnsureOaRolePresets() {
  return request.post<{ createdCount: number }>({
    url: `${BASE}/roles/ensure-presets`,
    showSuccessMessage: true
  })
}

export function fetchCreateOaRole(data: {
  roleName: string
  roleCode: string
  status?: string
  orderNum?: number
  remark?: string
}) {
  return request.post({
    url: `${BASE}/roles`,
    data,
    showSuccessMessage: true
  })
}

export function fetchUpdateOaRole(
  id: string,
  data: Partial<{
    roleName: string
    status: string
    orderNum: number
    remark: string
  }>
) {
  return request.put({
    url: `${BASE}/roles/${id}`,
    data,
    showSuccessMessage: true
  })
}

export function fetchDeleteOaRole(id: string) {
  return request.del({
    url: `${BASE}/roles/${id}`,
    showSuccessMessage: true
  })
}

export function fetchOaRoleUsers(roleId: string) {
  return request.get<{ list: any[] }>({
    url: `${BASE}/roles/${roleId}/users`
  })
}

export function fetchReplaceOaRoleUsers(roleId: string, userIds: string[]) {
  return request.put<{ list: any[] }>({
    url: `${BASE}/roles/${roleId}/users`,
    data: { userIds },
    showSuccessMessage: true
  })
}

// ---------------------------------------------------------------------------
// 分组 / 应用 / 草稿 / 发布
// ---------------------------------------------------------------------------

export function fetchOaGroupList() {
  return request.get<{ list: any[] }>({ url: `${BASE}/groups` })
}

export function fetchCreateOaGroup(data: {
  groupName: string
  orderNum?: number
  remark?: string
}) {
  return request.post({
    url: `${BASE}/groups`,
    data,
    showSuccessMessage: true
  })
}

export function fetchUpdateOaGroup(
  id: string,
  data: Partial<{ groupName: string; orderNum: number; remark: string }>
) {
  return request.put({
    url: `${BASE}/groups/${id}`,
    data,
    showSuccessMessage: true
  })
}

export function fetchDeleteOaGroup(id: string) {
  return request.del({
    url: `${BASE}/groups/${id}`,
    showSuccessMessage: true
  })
}

export function fetchOaAppList(params?: {
  groupId?: string
  keyword?: string
  status?: string
}) {
  return request.get<{ list: any[] }>({
    url: `${BASE}/apps`,
    params
  })
}

export function fetchCreateOaApp(data: Record<string, any>) {
  return request.post({
    url: `${BASE}/apps`,
    data,
    showSuccessMessage: true
  })
}

export function fetchUpdateOaApp(id: string, data: Record<string, any>) {
  return request.put({
    url: `${BASE}/apps/${id}`,
    data,
    showSuccessMessage: true
  })
}

export function fetchDeleteOaApp(id: string) {
  return request.del({
    url: `${BASE}/apps/${id}`,
    showSuccessMessage: true
  })
}

export function fetchOaAppDraft(appId: string) {
  return request.get<any>({ url: `${BASE}/apps/${appId}/draft` })
}

export function fetchSaveOaAppDraft(
  appId: string,
  data: {
    basic?: Record<string, any>
    formSchemaJson?: any
    flowTreeJson?: any
    advancedSettingsJson?: any
  }
) {
  return request.put({
    url: `${BASE}/apps/${appId}/draft`,
    data,
    showSuccessMessage: true
  })
}

export function fetchPublishOaApp(appId: string) {
  return request.post({
    url: `${BASE}/apps/${appId}/publish`,
    showSuccessMessage: true
  })
}

// ---------------------------------------------------------------------------
// 运行时
// ---------------------------------------------------------------------------

export function fetchOaTemplates() {
  return request.get<{ list: any[] }>({ url: `${BASE}/templates` })
}

export function fetchOaTemplateDetail(appId: string) {
  return request.get<any>({ url: `${BASE}/templates/${appId}` })
}

/** 发起前审批流预览（条件齐后返回最终路径） */
export function fetchOaFlowPreview(
  appId: string,
  opts?: { formData?: Record<string, any>; initiatorSelectUserIds?: string[] }
) {
  return request.post<{
    resolved: boolean
    message?: string
    steps: OaFlowPreviewStep[]
  }>({
    url: `${BASE}/templates/${appId}/flow-preview`,
    data: {
      formData: opts?.formData || {},
      initiatorSelectUserIds: opts?.initiatorSelectUserIds || undefined
    },
    showSuccessMessage: false
  })
}

export type OaFlowPreviewStep = {
  id: string
  type: 'start' | 'approval' | 'cc' | 'branch' | 'end' | string
  name: string
  signMode?: string
  assigneeType?: string
  meta?: string
  people?: Array<{ id: string; nickName: string }>
  resolveError?: string
}

export function fetchStartOaInstance(data: {
  appId: string
  formData?: Record<string, any>
  title?: string
  initiatorDeptId?: string
  initiatorSelectUserIds?: string[]
  relatedInstanceIds?: string[]
}) {
  return request.post({
    url: `${BASE}/instances`,
    data,
    showSuccessMessage: true
  })
}

/** 详情审批进度投影项（后端 build_progress_items） */
export interface OaProgressItem {
  kind: 'submit' | 'task' | 'pending_node' | 'terminal' | string
  roundNo?: number
  title?: string
  status?: string
  assigneeUserId?: string
  assigneeUserName?: string
  timestamp?: string
  commentText?: string
  nodeKey?: string
  taskType?: string
  resolveSource?: string
  taskId?: string
}

export function fetchOaInstanceDetail(id: string) {
  return request.get<{ progress?: OaProgressItem[]; tasks?: any[] } & Record<string, any>>({
    url: `${BASE}/instances/${id}`
  })
}

export function fetchOaTasks(kind: 'pending' | 'done' | 'mine' | 'cc') {
  return request.get<{ list: any[] }>({ url: `${BASE}/tasks/${kind}` })
}

export function fetchApproveOaTask(taskId: string, comment?: string) {
  return request.post({
    url: `${BASE}/tasks/${taskId}/approve`,
    data: { comment },
    showSuccessMessage: true
  })
}

export function fetchRejectOaTask(taskId: string, comment?: string) {
  return request.post({
    url: `${BASE}/tasks/${taskId}/reject`,
    data: { comment },
    showSuccessMessage: true
  })
}

export function fetchReturnOaTask(taskId: string, comment: string) {
  return request.post({
    url: `${BASE}/tasks/${taskId}/return`,
    data: { comment },
    showSuccessMessage: true
  })
}

export function fetchAddSignOaTask(
  taskId: string,
  data: { userIds: string[]; comment?: string }
) {
  return request.post({
    url: `${BASE}/tasks/${taskId}/add-sign`,
    data,
    showSuccessMessage: true
  })
}

export function fetchWithdrawOaInstance(instanceId: string) {
  return request.post({
    url: `${BASE}/instances/${instanceId}/withdraw`,
    showSuccessMessage: true
  })
}