import { configureStore } from '@reduxjs/toolkit';
import RecruitmentApprovalsSlice, { fetchPendingRecruitmentApprovals, fetchApprovalInstance } from '../RecruitmentApprovalsSlice';

jest.mock('@/services/api/api', () => ({ apiGet: jest.fn(), apiPost: jest.fn(), apiPut: jest.fn(), apiDelete: jest.fn() }));
jest.mock('antd', () => ({ message: { success: jest.fn(), error: jest.fn(), warning: jest.fn() } }));
jest.mock('@/utilities/Helpers', () => ({ default: { handleServerError: jest.fn((e) => e?.message || 'Error') } }));

const createStore = () => configureStore({ reducer: { recruitmentApprovals: RecruitmentApprovalsSlice.reducer } });

describe('RecruitmentApprovalsSlice', () => {
  it('has correct initial state', () => {
    const state = createStore().getState().recruitmentApprovals;
    expect(state.pendingApprovals).toEqual([]);
    expect(state.approvalInstance).toBeNull();
    expect(state.history).toEqual([]);
    expect(state.loading).toBe(false);
    expect(state.actionLoading).toBe(false);
    expect(state.error).toBeNull();
  });

  it('sets loading on fetchPendingRecruitmentApprovals.pending', () => {
    const store = createStore();
    store.dispatch(fetchPendingRecruitmentApprovals.pending('req', undefined));
    expect(store.getState().recruitmentApprovals.loading).toBe(true);
  });

  it('populates data on fetchPendingRecruitmentApprovals.fulfilled', () => {
    const store = createStore();
    const payload = { data: [{ id: '1', status: 'pending' }] } as any;
    store.dispatch(fetchPendingRecruitmentApprovals.fulfilled(payload, 'req', undefined));
    expect(store.getState().recruitmentApprovals.pendingApprovals).toEqual(payload.data);
    expect(store.getState().recruitmentApprovals.loading).toBe(false);
  });

  it('populates approval instance on fetchApprovalInstance.fulfilled', () => {
    const store = createStore();
    const payload = { data: { id: '1', entity_type: 'job_opening' } } as any;
    store.dispatch(fetchApprovalInstance.fulfilled(payload, 'req', '1'));
    expect(store.getState().recruitmentApprovals.approvalInstance).toEqual(payload.data);
  });
});