import { createSlice, PayloadAction } from '@reduxjs/toolkit';
import emitter from '../../utils/eventEmitter';
import store from '../store';

enum GeneratorStatus {
  GENERATOR_SYNC_ERR = -1, // 错误状态
  GENERATOR_RAD_OFF, // 手闸抬起
  GENERATOR_RAD_PREPARE, // 手闸一档按下
  GENERATOR_RAD_READY, // 手闸二档按下
  GENERATOR_RAD_XRAYON, // 发生器点片出线
  GENERATOR_RAD_XRAYOFF, // 发生器点片结束出线
  GENERATOR_FLU_OFF, // 脚闸抬起
  GENERATOR_FLU_READY, // 脚闸踩下
  GENERATOR_FLU_XRAYON, // 透视出线
  GENERATOR_FLU_XRAYOFF, // 透视结束出线
  GENERATOR_FLU_CINE_READY, // 电影模式准备
  GENERATOR_SYNC_MAX, // 状态最大值（枚举边界）
}

interface DeviceAreaState {
  generatorStatus: GeneratorStatus;
  exposureStatus: 'ready' | 'not_ready';
  tabletStatus: 'exposing' | 'ready' | 'error';
}

const initialState: DeviceAreaState = {
  generatorStatus: GeneratorStatus.GENERATOR_RAD_OFF, // Default to idle state
  exposureStatus: 'not_ready',
  tabletStatus: 'ready',
};

const deviceAreaSlice = createSlice({
  name: 'deviceArea',
  initialState,
  reducers: {
    setGeneratorStatus: (state, action: PayloadAction<GeneratorStatus>) => {
      state.generatorStatus = action.payload;
    },
    setExposureStatus: (
      state,
      action: PayloadAction<'ready' | 'not_ready'>
    ) => {
      state.exposureStatus = action.payload;
    },
    setTabletStatus: (
      state,
      action: PayloadAction<'exposing' | 'ready' | 'error'>
    ) => {
      state.tabletStatus = action.payload;
    },
  },
});

emitter.on('DETECTOR_ACQUISITION_STARTED', () => {
  store.dispatch(setTabletStatus('ready'));
});

emitter.on('DETECTOR_ACQUISITION_INPROGRESS', () => {
  store.dispatch(setTabletStatus('exposing'));
});

emitter.on('DETECTOR_ACQUISITION_ERROR', () => {
  store.dispatch(setTabletStatus('error'));
});

emitter.on('GENERATOR_RAD_OFF', () => {
  store.dispatch(setGeneratorStatus(GeneratorStatus.GENERATOR_RAD_OFF));
});

emitter.on('GENERATOR_RAD_PREPARE', () => {
  store.dispatch(setGeneratorStatus(GeneratorStatus.GENERATOR_RAD_PREPARE));
});

emitter.on('GENERATOR_RAD_READY', () => {
  store.dispatch(setGeneratorStatus(GeneratorStatus.GENERATOR_RAD_READY));
});

emitter.on('AllReady_TRUE', () => {
  store.dispatch(setExposureStatus('ready'));
});

emitter.on('AllReady_FALSE', () => {
  store.dispatch(setExposureStatus('not_ready'));
});

export const { setGeneratorStatus, setExposureStatus, setTabletStatus } =
  deviceAreaSlice.actions;
export { GeneratorStatus };
export default deviceAreaSlice.reducer;