import request from '@/utils/request';
import type { ApiResult } from '@/api';
import type { ApprovalInstance, ApprovalUser } from '../model';
import { THINK_API_URL } from '@/config/setting';

/**
 * 待办数量（个人中心红点）
 */
export async function getTodoCount() {
  const res = await request.get<ApiResult<number>>(
    THINK_API_URL + '/approval/todo/count'
  );
  if (res.data.code === 0 && res.data.data !== undefined) {
    return res.data.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 通过（意见可选）
 */
export async function approveTask(id: number, opinion?: string) {
  const res = await request.post<ApiResult<ApprovalInstance>>(
    THINK_API_URL + '/approval/task/' + id + '/approve',
    { opinion }
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 驳回（意见必填）
 */
export async function rejectTask(id: number, opinion: string) {
  const res = await request.post<ApiResult<ApprovalInstance>>(
    THINK_API_URL + '/approval/task/' + id + '/reject',
    { opinion }
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 存档确认（无意见，只能确认）
 */
export async function confirmTask(id: number) {
  const res = await request.post<ApiResult<ApprovalInstance>>(
    THINK_API_URL + '/approval/task/' + id + '/confirm'
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 归档（或签，归档后单据只读）
 */
export async function archiveTask(id: number) {
  const res = await request.post<ApiResult<ApprovalInstance>>(
    THINK_API_URL + '/approval/task/' + id + '/archive'
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 派单候选池（仅派单节点、本人待办）
 */
export async function listDispatchCandidates(id: number) {
  const res = await request.get<ApiResult<ApprovalUser[]>>(
    THINK_API_URL + '/approval/task/' + id + '/candidates'
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 派单（选定 1 人即完成派单节点）
 */
export async function dispatchTask(id: number, targetUserId: number) {
  const res = await request.post<ApiResult<ApprovalInstance>>(
    THINK_API_URL + '/approval/task/' + id + '/dispatch',
    { targetUserId }
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data;
  }
  return Promise.reject(new Error(res.data.message));
}

/**
 * 撤回
 */
export async function withdrawInstance(id: number) {
  const res = await request.post<ApiResult<ApprovalInstance>>(
    THINK_API_URL + '/approval/instance/' + id + '/withdraw'
  );
  if (res.data.code === 0 && res.data.data) {
    return res.data;
  }
  return Promise.reject(new Error(res.data.message));
}