import { configureStore } from '@reduxjs/toolkit';
import AppraisalSlice, { fetchAppraisals, createAppraisal, deleteAppraisal } from '../AppraisalSlice';

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: { appraisals: AppraisalSlice.reducer } });

describe('AppraisalSlice', () => {
  it('has correct initial state', () => {
    const store = createStore();
    const state = store.getState().appraisals;
    expect(state.appraisals).toEqual([]);
    expect(state.loading).toBe(false);
    expect(state.error).toBeNull();
    expect(state.links).toBeUndefined();
    expect(state.meta).toBeUndefined();
  });

  it('sets loading true on fetchAppraisals.pending', () => {
    const store = createStore();
    store.dispatch({ type: fetchAppraisals.pending.type });
    expect(store.getState().appraisals.loading).toBe(true);
    expect(store.getState().appraisals.error).toBeNull();
  });

  it('populates appraisals on fetchAppraisals.fulfilled with paginated data', () => {
    const store = createStore();
    const payload = {
      data: [{ id: '1', name: 'Test' }],
      meta: { current_page: 1 },
      links: { first: '/1' },
    };
    store.dispatch({ type: fetchAppraisals.fulfilled.type, payload });
    const state = store.getState().appraisals;
    expect(state.appraisals).toEqual(payload.data);
    expect(state.meta).toEqual(payload.meta);
    expect(state.links).toEqual(payload.links);
    expect(state.loading).toBe(false);
  });

  it('sets loading false on fetchAppraisals.rejected', () => {
    const store = createStore();
    store.dispatch({ type: fetchAppraisals.pending.type });
    store.dispatch({ type: fetchAppraisals.rejected.type });
    expect(store.getState().appraisals.loading).toBe(false);
  });

  it('prepends item on createAppraisal.fulfilled', () => {
    const store = createStore();
    const item = { id: '2', name: 'New' };
    store.dispatch({ type: createAppraisal.fulfilled.type, payload: item });
    expect(store.getState().appraisals.appraisals[0]).toEqual(item);
    expect(store.getState().appraisals.loading).toBe(false);
  });

  it('removes item on deleteAppraisal.fulfilled', () => {
    const store = createStore();
    store.dispatch({
      type: fetchAppraisals.fulfilled.type,
      payload: { data: [{ id: '1' }, { id: '2' }], meta: undefined, links: undefined },
    });
    store.dispatch({
      type: deleteAppraisal.fulfilled.type,
      payload: { id: '1', message: 'Deleted' },
    });
    expect(store.getState().appraisals.appraisals).toHaveLength(1);
    expect(store.getState().appraisals.appraisals[0].id).toBe('2');
  });
});