import { configureStore } from '@reduxjs/toolkit';
import RecruitmentAssessmentsSlice, { clearAssessment, clearCandidates } from '../RecruitmentAssessmentsSlice';

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: { ra: RecruitmentAssessmentsSlice.reducer } });

describe('RecruitmentAssessmentsSlice', () => {
  it('has correct initial state', () => {
    const store = createStore();
    const state = store.getState().ra;
    expect(state.assessments).toEqual([]);
    expect(state.assessment).toBeNull();
    expect(state.candidates).toEqual([]);
    expect(state.meta).toBeNull();
    expect(state.candidatesMeta).toBeNull();
    expect(state.loading).toBe(false);
    expect(state.error).toBeNull();
  });

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

  it('populates assessments and meta on fetchAll fulfilled', () => {
    const store = createStore();
    const meta = { current_page: 1, last_page: 1, per_page: 15, total: 1 };
    store.dispatch({ type: 'recruitmentAssessments/fetchAll/fulfilled', payload: { data: [{ id: '1' }], meta } });
    expect(store.getState().ra.assessments).toEqual([{ id: '1' }]);
    expect(store.getState().ra.meta).toEqual(meta);
  });

  it('sets assessment on fetchOne fulfilled', () => {
    const store = createStore();
    store.dispatch({ type: 'recruitmentAssessments/fetchOne/fulfilled', payload: { id: '1' } });
    expect(store.getState().ra.assessment).toEqual({ id: '1' });
  });

  it('prepends on create fulfilled', () => {
    const store = createStore();
    const meta = { current_page: 1, last_page: 1, per_page: 15, total: 1 };
    store.dispatch({ type: 'recruitmentAssessments/fetchAll/fulfilled', payload: { data: [{ id: '1' }], meta } });
    store.dispatch({ type: 'recruitmentAssessments/create/fulfilled', payload: { id: '2' } });
    expect(store.getState().ra.assessments[0]).toEqual({ id: '2' });
  });

  it('updates in-place on update fulfilled', () => {
    const store = createStore();
    const meta = { current_page: 1, last_page: 1, per_page: 15, total: 1 };
    store.dispatch({ type: 'recruitmentAssessments/fetchAll/fulfilled', payload: { data: [{ id: '1', name: 'Old' }], meta } });
    store.dispatch({ type: 'recruitmentAssessments/update/fulfilled', payload: { id: '1', name: 'New' } });
    expect(store.getState().ra.assessments[0].name).toBe('New');
  });

  it('removes on delete fulfilled', () => {
    const store = createStore();
    const meta = { current_page: 1, last_page: 1, per_page: 15, total: 1 };
    store.dispatch({ type: 'recruitmentAssessments/fetchAll/fulfilled', payload: { data: [{ id: '1' }], meta } });
    store.dispatch({ type: 'recruitmentAssessments/delete/fulfilled', payload: '1' });
    expect(store.getState().ra.assessments).toEqual([]);
  });

  it('populates candidates on fetchCandidates fulfilled', () => {
    const store = createStore();
    const meta = { current_page: 1, last_page: 1, per_page: 15, total: 1 };
    store.dispatch({ type: 'recruitmentAssessments/fetchCandidates/fulfilled', payload: { data: [{ id: 'c1' }], meta } });
    expect(store.getState().ra.candidates).toEqual([{ id: 'c1' }]);
    expect(store.getState().ra.candidatesMeta).toEqual(meta);
  });

  it('clears assessment via clearAssessment', () => {
    const store = createStore();
    store.dispatch({ type: 'recruitmentAssessments/fetchOne/fulfilled', payload: { id: '1' } });
    store.dispatch(clearAssessment());
    expect(store.getState().ra.assessment).toBeNull();
  });

  it('clears candidates via clearCandidates', () => {
    const store = createStore();
    const meta = { current_page: 1, last_page: 1, per_page: 15, total: 1 };
    store.dispatch({ type: 'recruitmentAssessments/fetchCandidates/fulfilled', payload: { data: [{ id: 'c1' }], meta } });
    store.dispatch(clearCandidates());
    expect(store.getState().ra.candidates).toEqual([]);
    expect(store.getState().ra.candidatesMeta).toBeNull();
  });
});