import { configureStore } from '@reduxjs/toolkit';
import PublicAssessmentSlice, { resetPublicAssessment } from '../PublicAssessmentSlice';

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

const createStore = () => configureStore({ reducer: { pa: PublicAssessmentSlice.reducer } });

describe('PublicAssessmentSlice', () => {
  it('has correct initial state', () => {
    const store = createStore();
    const state = store.getState().pa;
    expect(state.info).toBeNull();
    expect(state.startResponse).toBeNull();
    expect(state.submitResult).toBeNull();
    expect(state.alreadyCompleted).toBeNull();
    expect(state.loading).toBe(false);
    expect(state.submitting).toBe(false);
    expect(state.error).toBeNull();
  });

  it('sets loading on fetchInfo pending', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/fetchInfo/pending' });
    expect(store.getState().pa.loading).toBe(true);
  });

  it('sets info on fetchInfo fulfilled', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/fetchInfo/fulfilled', payload: { title: 'Test' } });
    expect(store.getState().pa.info).toEqual({ title: 'Test' });
  });

  it('sets error on fetchInfo rejected', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/fetchInfo/rejected', payload: { message: 'Not found' } });
    expect(store.getState().pa.error).toBe('Not found');
  });

  it('sets startResponse on startAttempt fulfilled', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/startAttempt/fulfilled', payload: { attempt_id: '1', questions: [] } });
    expect(store.getState().pa.startResponse).toEqual({ attempt_id: '1', questions: [] });
  });

  it('sets alreadyCompleted on startAttempt rejected with _alreadyCompleted flag', () => {
    const store = createStore();
    store.dispatch({
      type: 'publicAssessment/startAttempt/rejected',
      payload: { _alreadyCompleted: true, score: '80', percentage: '80%', passed: true },
    });
    expect(store.getState().pa.alreadyCompleted).toEqual({ score: '80', percentage: '80%', passed: true });
  });

  it('sets submitting on submitAttempt pending', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/submitAttempt/pending' });
    expect(store.getState().pa.submitting).toBe(true);
  });

  it('sets submitResult on submitAttempt fulfilled', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/submitAttempt/fulfilled', payload: { score: 90 } });
    expect(store.getState().pa.submitResult).toEqual({ score: 90 });
    expect(store.getState().pa.submitting).toBe(false);
  });

  it('resets all state via resetPublicAssessment', () => {
    const store = createStore();
    store.dispatch({ type: 'publicAssessment/fetchInfo/fulfilled', payload: { title: 'Test' } });
    store.dispatch(resetPublicAssessment());
    const state = store.getState().pa;
    expect(state.info).toBeNull();
    expect(state.startResponse).toBeNull();
    expect(state.submitResult).toBeNull();
    expect(state.alreadyCompleted).toBeNull();
  });
});