import { configureStore } from '@reduxjs/toolkit';
import ReferralsSlice, { fetchMyReferrals, fetchPendingReferrals } from '../ReferralsSlice';

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: { referrals: ReferralsSlice.reducer } });

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

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

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

  it('populates pending referrals on fetchPendingReferrals.fulfilled', () => {
    const store = createStore();
    const payload = { data: [{ id: '2' }] } as any;
    store.dispatch(fetchPendingReferrals.fulfilled(payload, 'req', undefined));
    expect(store.getState().referrals.pendingReferrals).toEqual(payload.data);
  });
});