import { configureStore } from '@reduxjs/toolkit';
import PeerReviewSlice, { clearCurrentPeerReview, fetchPeerReviews, submitPeerReview, deletePeerReview, fetchPeerReview } from '../PeerReviewSlice';

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', () => ({
  __esModule: true,
  default: { handleServerError: jest.fn((e) => e?.message || 'Error') },
}));

const createStore = () =>
  configureStore({ reducer: { pr: PeerReviewSlice.reducer } });

describe('PeerReviewSlice', () => {
  it('has correct initial state', () => {
    const store = createStore();
    const state = store.getState().pr;
    expect(state.peerReviews).toEqual([]);
    expect(state.currentPeerReview).toBeNull();
    expect(state.loading).toBe(false);
    expect(state.error).toBeNull();
  });

  it('populates on fetchPeerReviews.fulfilled', () => {
    const store = createStore();
    const payload = { data: [{ id: '1' }], meta: {}, links: {} };
    store.dispatch({ type: fetchPeerReviews.fulfilled.type, payload });
    expect(store.getState().pr.peerReviews).toEqual(payload.data);
  });

  it('prepends on submitPeerReview.fulfilled', () => {
    const store = createStore();
    store.dispatch({ type: submitPeerReview.fulfilled.type, payload: { id: '1' } });
    expect(store.getState().pr.peerReviews[0]).toEqual({ id: '1' });
  });

  it('removes on deletePeerReview.fulfilled', () => {
    const store = createStore();
    store.dispatch({ type: fetchPeerReviews.fulfilled.type, payload: { data: [{ id: '1' }], meta: {}, links: {} } });
    store.dispatch({ type: deletePeerReview.fulfilled.type, payload: { id: '1', message: 'Deleted' } });
    expect(store.getState().pr.peerReviews).toHaveLength(0);
  });

  it('clears via clearCurrentPeerReview', () => {
    const store = createStore();
    store.dispatch({ type: fetchPeerReview.fulfilled.type, payload: { id: '1' } });
    store.dispatch(clearCurrentPeerReview());
    expect(store.getState().pr.currentPeerReview).toBeNull();
  });
});