import { configureStore } from '@reduxjs/toolkit';
import { JobOpeningsSlice, fetchJobOpenings, fetchJobOpening, clearJobOpening } from '../JobOpeningsSlice';

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: { jobOpenings: JobOpeningsSlice.reducer } });

describe('JobOpeningsSlice', () => {
  it('has correct initial state', () => {
    const state = createStore().getState().jobOpenings;
    expect(state.jobOpenings).toEqual([]);
    expect(state.jobOpening).toBeNull();
    expect(state.meta).toBeNull();
    expect(state.loading).toBe(false);
    expect(state.actionLoading).toBe(false);
    expect(state.error).toBeNull();
  });

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

  it('populates data on fetchJobOpenings.fulfilled', () => {
    const store = createStore();
    const payload = { data: [{ id: '1', title: 'Dev' }], meta: { total: 1 } } as any;
    store.dispatch(fetchJobOpenings.fulfilled(payload, 'req'));
    expect(store.getState().jobOpenings.jobOpenings).toEqual(payload.data);
    expect(store.getState().jobOpenings.meta).toEqual(payload.meta);
    expect(store.getState().jobOpenings.loading).toBe(false);
  });

  it('sets loading on fetchJobOpening.pending', () => {
    const store = createStore();
    store.dispatch(fetchJobOpening.pending('req', '1'));
    expect(store.getState().jobOpenings.loading).toBe(true);
  });

  it('populates single item on fetchJobOpening.fulfilled', () => {
    const store = createStore();
    const payload = { data: { id: '1', title: 'Dev' } } as any;
    store.dispatch(fetchJobOpening.fulfilled(payload, 'req', '1'));
    expect(store.getState().jobOpenings.jobOpening).toEqual(payload.data);
    expect(store.getState().jobOpenings.loading).toBe(false);
  });

  it('clears jobOpening on clearJobOpening', () => {
    const store = createStore();
    store.dispatch(fetchJobOpening.fulfilled({ data: { id: '1' } } as any, 'req', '1'));
    store.dispatch(clearJobOpening());
    expect(store.getState().jobOpenings.jobOpening).toBeNull();
  });
});