import { configureStore } from '@reduxjs/toolkit';
import { AttendanceHistoryImportsSlice, executeAttendanceHistoryImport, fetchAttendanceHistoryImportStatus, downloadAttendanceHistoryTemplate, downloadAttendanceHistoryFailedRows, clearAttendanceHistoryImportState } from '../AttendanceHistoryImportsSlice';

jest.mock('@/services/api/api', () => ({
  apiGet: jest.fn(),
  apiPost: jest.fn(),
  apiPut: jest.fn(),
  apiDelete: jest.fn(),
  apiDownloadBlob: jest.fn(),
  axiosInstance: { get: 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: any) => e?.message || 'Error') },
}));

const createStore = () => configureStore({ reducer: { attendanceImports: AttendanceHistoryImportsSlice.reducer } });

describe('AttendanceHistoryImportsSlice', () => {
  it('has correct initial state', () => {
    const store = createStore();
    const state = store.getState().attendanceImports;
    expect(state.importBatch).toBeNull();
    expect(state.importResult).toBeNull();
    expect(state.importing).toBe(false);
    expect(state.downloadingTemplate).toBe(false);
    expect(state.downloadingFailedRows).toBe(false);
    expect(state.error).toBeNull();
  });

  describe('reducers', () => {
    it('clearAttendanceHistoryImportState resets fields', () => {
      const store = createStore();
      store.dispatch({ type: executeAttendanceHistoryImport.fulfilled.type, payload: { batch_id: 'b1', message: 'ok' } });
      store.dispatch(clearAttendanceHistoryImportState());
      const state = store.getState().attendanceImports;
      expect(state.importBatch).toBeNull();
      expect(state.importResult).toBeNull();
      expect(state.error).toBeNull();
    });
  });

  describe('executeAttendanceHistoryImport', () => {
    it('sets importing on pending', () => {
      const store = createStore();
      store.dispatch({ type: executeAttendanceHistoryImport.pending.type });
      expect(store.getState().attendanceImports.importing).toBe(true);
    });

    it('sets importBatch on fulfilled', () => {
      const store = createStore();
      store.dispatch({ type: executeAttendanceHistoryImport.fulfilled.type, payload: { batch_id: 'b1', message: 'Dispatched' } });
      const state = store.getState().attendanceImports;
      expect(state.importing).toBe(false);
      expect(state.importBatch?.batch_id).toBe('b1');
      expect(state.importBatch?.finished).toBe(false);
    });

    it('sets importing false on rejected', () => {
      const store = createStore();
      store.dispatch({ type: executeAttendanceHistoryImport.pending.type });
      expect(store.getState().attendanceImports.importing).toBe(true);
      store.dispatch({
        type: executeAttendanceHistoryImport.rejected.type,
        payload: { message: 'fail' },
        meta: { arg: undefined, requestId: 'test', rejectedWithValue: true, requestStatus: 'rejected', aborted: false, condition: false },
      });
      expect(store.getState().attendanceImports.importing).toBe(false);
    });
  });

  describe('fetchAttendanceHistoryImportStatus', () => {
    it('sets importBatch on fulfilled', () => {
      const store = createStore();
      const status = { batch_id: 'b1', progress: 100, finished: true, cancelled: false, total_jobs: 1, pending_jobs: 0, processed_jobs: 1, failed_jobs: 0, imported_count: 10, updated_count: 0, failed_count: 2, processed_count: 12 };
      store.dispatch({ type: fetchAttendanceHistoryImportStatus.fulfilled.type, payload: status });
      expect(store.getState().attendanceImports.importBatch).toEqual(status);
      expect(store.getState().attendanceImports.importResult?.imported_count).toBe(10);
      expect(store.getState().attendanceImports.importResult?.failed_count).toBe(2);
    });

    it('does not set importResult when not finished', () => {
      const store = createStore();
      const status = { batch_id: 'b1', progress: 50, finished: false, cancelled: false, total_jobs: 1, pending_jobs: 1, processed_jobs: 0, failed_jobs: 0 };
      store.dispatch({ type: fetchAttendanceHistoryImportStatus.fulfilled.type, payload: status });
      expect(store.getState().attendanceImports.importResult).toBeNull();
    });
  });

  describe('downloadAttendanceHistoryTemplate', () => {
    it('sets downloadingTemplate on pending', () => {
      const store = createStore();
      store.dispatch({ type: downloadAttendanceHistoryTemplate.pending.type });
      expect(store.getState().attendanceImports.downloadingTemplate).toBe(true);
    });

    it('resets downloadingTemplate on fulfilled', () => {
      const store = createStore();
      store.dispatch({ type: downloadAttendanceHistoryTemplate.fulfilled.type });
      expect(store.getState().attendanceImports.downloadingTemplate).toBe(false);
    });
  });

  describe('downloadAttendanceHistoryFailedRows', () => {
    it('sets downloadingFailedRows on pending', () => {
      const store = createStore();
      store.dispatch({ type: downloadAttendanceHistoryFailedRows.pending.type });
      expect(store.getState().attendanceImports.downloadingFailedRows).toBe(true);
    });

    it('resets downloadingFailedRows on fulfilled', () => {
      const store = createStore();
      store.dispatch({ type: downloadAttendanceHistoryFailedRows.fulfilled.type });
      expect(store.getState().attendanceImports.downloadingFailedRows).toBe(false);
    });
  });
});