import {
  Row,
  Col,
  Select,
  InputNumber,
  Button,
  Switch,
  Divider,
  Tooltip,
  message,
  Flex,
  Modal,
} from 'antd';
import ErrorMessage from '@/components/ErrorMessage';
import { patientSizes, PatientSize } from '../../states/patientSize';
import { WorkstationTypeLabels, WorkstationType } from '../../states/workstation';
import { FormattedMessage, useIntl } from 'react-intl';
import { useSelector, useDispatch, useStore } from 'react-redux';
import { deleteBodyPosition } from '../../API/patient/viewActions';
import { copyPositionThunk } from '../../states/exam/examWorksCacheSlice';
import {
  removeBodyPositionBySopInstanceUid,
  setByIndex,
  judgeImageThunk,
} from '../../states/exam/bodyPositionListSlice';
import { RootState } from '../../states/store';
import {
  setAprConfig,
  setBodysize,
  setWorkstation,
  setThickness,
  setIsAECEnabled,
  updateAprParamsThunk,
} from '../../states/exam/aprSlice';
import { workstationIdFromWorkstation } from '../../states/workstation';
import { AprParamsUpdateRequest } from '../../API/exam/APRActions';
import BodyPositionList from './components/BodyPositionList';
import BodyPositionDetail from './components/BodyPositionDetail';
import { AppDispatch } from '@/states/store';
import { useRef } from 'react';
import Icon from '@/components/Icon';
import ParaSettingCoordinator from '@/domain/exam/paraSettingCoordinator';
import { resetDevices } from '@/states/device/deviceSlice';
import { openCamera, closeCamera } from '@/states/exam/cameraSlice';
import CameraModal from '@/components/CameraModal';

const ContentAreaLarge = () => {
  const intl = useIntl();
  const dispatch = useDispatch<AppDispatch>();
  const isResetting = useSelector(
    (state: RootState) => state.device.status === 'loading'
  );
  const store = useStore<RootState>();
  const aprConfig = useSelector((state: RootState) => state.apr.aprConfig);
  const bodysize = useSelector((state: RootState) => state.apr.bodysize);
  const workstation = useSelector((state: RootState) => state.apr.workstation);
  const thickness = useSelector((state: RootState) => state.apr.thickness);
  const isAECEnabled = useSelector(
    (state: RootState) => state.apr.isAECEnabled
  );
  const currentExposureMode = useSelector(
    (state: RootState) => state.apr.currentExposureMode
  );
  const productName = useSelector(
    (state: RootState) => state.product.productName
  );

  const handleBodysizeChange = (key: string) => {
    const value = patientSizes[key as PatientSize]; // 获取对应的显示文本
    console.log('体型 key:', key); // 例如: 'small'
    console.log('体型 value:', value); // 例如: 'Small'

    dispatch(setBodysize(value));
  };

  const handleWorkstationChange = (value: string) => {
    dispatch(setWorkstation(value));
  };

  const handleThicknessChange = (value: number | null) => {
    if (value !== null) {
      dispatch(setThickness(value));
    }
  };

  const handleAECChange = (checked: boolean) => {
    dispatch(setIsAECEnabled(checked));
  };

  const handleExposureModeChange = (value: string) => {
    ParaSettingCoordinator.setExposureMode(value);
  };

  const handleResetParameters = async () => {
    try {
      await dispatch(resetDevices());
      message.success(`重置高压发生器成功`);
    } catch (error) {
      console.error('Error resetting devices:', error);
      message.error(`重置高压发生器失败 ${error}`);
    }
  };

  /**
   * 处理打开摄像头按钮点击事件
   */
  const handleOpenCamera = () => {
    // 获取当前选中体位的 study_id
    const currentStudyId = selectedBodyPosition?.study_id;

    if (!currentStudyId) {
      message.warning('请先选择一个体位');
      return;
    }

    console.log('[handleOpenCamera] 打开摄像头，Study ID:', currentStudyId);

    // dispatch openCamera action，打开摄像头
    dispatch(openCamera(currentStudyId));
  };

  /**
   * 处理拒绝图像按钮点击事件
   */
  const handleReject = async () => {
    if (!selectedBodyPosition) {
      message.warning('请先选择一个体位');
      return;
    }


    Modal.confirm({
      title: '确认拒绝',
      content: `确定要拒绝选中的图像吗？`,
      okText: '确认拒绝',
      cancelText: '取消',
      okButtonProps: {
        danger: true,
        'data-testid': 'modal-confirm-delete'
      },
      cancelButtonProps: {
        'data-testid': 'modal-cancel-delete'
      },
      centered: true,
      onOk: async () => {
        try {
          await dispatch(
            judgeImageThunk({
              sopInstanceUid: selectedBodyPosition.sop_instance_uid,
              accept: false,
            })
          ).unwrap();
          message.success('图像已拒绝');
        } catch (err) {
          console.error('拒绝图像失败:', err);
          message.error('拒绝图像失败');
        }
      },
    });
  };

  /**
   * 处理恢复图像按钮点击事件
   */
  const handleRestore = async () => {
    if (!selectedBodyPosition) {
      message.warning('请先选择一个体位');
      return;
    }

    try {
      await dispatch(
        judgeImageThunk({
          sopInstanceUid: selectedBodyPosition.sop_instance_uid,
          accept: true,
        })
      ).unwrap();

      message.success('图像已恢复');
    } catch (err) {
      console.error('恢复图像失败:', err);
      message.error('恢复图像失败');
    }
  };

  /**
   * 处理保存参数按钮点击事件
   */
  const handleSaveParams = async () => {
    if (!selectedBodyPosition) {
      message.warning('请先选择一个体位');
      return;
    }

    try {
      // 获取工作站ID - 将字符串转换为WorkstationType枚举
      const workstationType = workstation as WorkstationType;
      const workStationId = workstationIdFromWorkstation(
        workstationType,
        productName
      );

      // 构建请求参数
      const request: AprParamsUpdateRequest = {
        work_station_id: workStationId,
        patient_size: bodysize,
        kV: aprConfig.kV,
        mA: aprConfig.mA,
        ms: aprConfig.ms,
        mAs: aprConfig.mAs,
      };

      // 调用 updateAprParamsThunk
      await dispatch(
        updateAprParamsThunk({
          id: selectedBodyPosition.view_id,
          request,
        })
      ).unwrap();

      message.success('参数保存成功');
    } catch (err) {
      console.error('保存参数失败:', err);
      message.error('保存参数失败');
    }
  };

  // 1. 正常在顶层用 useSelector 订阅
  const selectedBodyPosition = useSelector(
    (state: RootState) => state.bodyPositionList.selectedBodyPosition
  );

  // 2. 用 ref 保存最新值（每次渲染都会更新）
  const positionRef = useRef(selectedBodyPosition);
  positionRef.current = selectedBodyPosition;

  // 3. 订阅 camera 状态
  const cameraIsOpen = useSelector((state: RootState) => state.camera.isOpen);
  const cameraStudyId = useSelector(
    (state: RootState) => state.camera.currentStudyId
  );

  // 4. 计算按钮可见性
  const loading = useSelector(
    (state: RootState) => state.bodyPositionList.loading
  );
  const exposeStatus = selectedBodyPosition?.dview.expose_status;
  const judgedStatus = selectedBodyPosition?.dview.judged_status || '';

  const isExposed = exposeStatus === 'Exposed';
  const isUnexposed = exposeStatus === 'Unexposed';

  // 按钮可见性逻辑
  const showRejectButton = isExposed && judgedStatus !== 'Reject';
  const showRestoreButton = isExposed && judgedStatus === 'Reject';
  const showSaveParamsButton = isUnexposed;
  const showDeleteButton = isUnexposed;

  return (
    <Row className="w-full p-1" style={{ height: '100%', display: 'flex' }}>
      <Col span={20} style={{ display: 'flex', flexDirection: 'column' }} className='h-full'>
        <Row gutter={16} style={{ flex: 1, minHeight: 0, display: 'flex' }} className='h-full'>
          <Col span={4} className="flex flex-col h-full" >
            <BodyPositionList layout="vertical"></BodyPositionList>
          </Col>
          <Col span={20}>
            <BodyPositionDetail />
          </Col>
        </Row>
      </Col>
      <Col
        span={4}
        style={{ height: '100%', overflowY: 'auto', flexShrink: 0 }}
      >
        <Row gutter={16} align="middle">
          <Col span={productName === 'DROS' ? 9 : 12}>
            <Select
              placeholder={<FormattedMessage id="exam.bodysize.placeholder" />}
              style={{ width: '100%', marginBottom: 8 }}
              value={!!bodysize ? intl.formatMessage({ id: bodysize }) : undefined}
              onChange={handleBodysizeChange}
            >
              {Object.entries(patientSizes).map(
                ([key, value]: [string, string]) => (
                  <Select.Option key={key} value={key}>
                    <FormattedMessage id={value} />
                  </Select.Option>
                )
              )}
            </Select>
          </Col>
          <Col span={productName === 'DROS' ? 9 : 12}>
            <label
              style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
            >
              <FormattedMessage
                id="exam.thickness.label"
                defaultMessage="厚度 (cm)"
              />
            </label>
            <InputNumber
              placeholder={intl.formatMessage({
                id: 'exam.thickness.placeholder',
              })}
              style={{ width: '100%', marginBottom: 8 }}
              value={thickness || undefined}
              min={1}
              max={50}
              step={1}
              onChange={handleThicknessChange}
              onStep={(value, info) => {
                if (info.type === 'up') {
                  ParaSettingCoordinator.increaseThickness();
                } else {
                  ParaSettingCoordinator.decreaseThickness();
                }
              }}
            />
          </Col>
          {productName === 'DROS' && (
            <Col span={15}>
              <Select
                placeholder="选择工作位"
                style={{ width: '100%', marginBottom: 8 }}
                value={workstation}
                onChange={handleWorkstationChange}
              >
                {Object.entries(WorkstationTypeLabels).map(
                  ([key, value]: [string, string]) => (
                    <Select.Option key={key} value={value}>
                      <FormattedMessage
                        id={`workstation.${key.toLowerCase()}`}
                      />
                    </Select.Option>
                  )
                )}
              </Select>
            </Col>
          )}
        </Row>
        <div>
          <div>
            <label
              style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
            >
              mA
            </label>
            <Tooltip
              title={
                currentExposureMode === 'mAs'
                  ? '当前为 mAs 模式，mA 和 ms 不可调整'
                  : ''
              }
            >
              <InputNumber
                disabled={currentExposureMode === 'mAs'}
                placeholder={currentExposureMode === 'mAs' ? '--' : 'mA'}
                style={{ width: '100%', marginBottom: 8 }}
                value={
                  currentExposureMode === 'mAs'
                    ? null
                    : (aprConfig.mA ?? undefined)
                }
                onStep={(value, info) => {
                  if (info.type === 'up') {
                    ParaSettingCoordinator.increaseMA();
                  } else {
                    ParaSettingCoordinator.decreaseMA();
                  }
                  return false;
                }}
              />
            </Tooltip>
          </div>
          <div>
            <label
              style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
            >
              ms
            </label>
            <Tooltip
              title={
                currentExposureMode === 'mAs'
                  ? '当前为 mAs 模式，mA 和 ms 不可调整'
                  : ''
              }
            >
              <InputNumber
                disabled={currentExposureMode === 'mAs'}
                placeholder={currentExposureMode === 'mAs' ? '--' : 'ms'}
                style={{ width: '100%', marginBottom: 8 }}
                value={
                  currentExposureMode === 'mAs'
                    ? null
                    : (aprConfig.ms ?? undefined)
                }
                onStep={(value, info) => {
                  if (info.type === 'up') {
                    ParaSettingCoordinator.increaseMS();
                  } else {
                    ParaSettingCoordinator.decreaseMS();
                  }
                }}
              />
            </Tooltip>
          </div>
          <div>
            <label
              style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
            >
              mAs
            </label>
            <Tooltip
              title={
                currentExposureMode === 'time'
                  ? '当前为 time 模式，mAs 不可调整'
                  : ''
              }
            >
              <InputNumber
                disabled={currentExposureMode === 'time'}
                placeholder={currentExposureMode === 'time' ? '--' : 'mAs'}
                style={{ width: '100%', marginBottom: 8 }}
                value={
                  currentExposureMode === 'time'
                    ? null
                    : (aprConfig.mAs ?? undefined)
                }
                onStep={(value, info) => {
                  if (info.type === 'up') {
                    ParaSettingCoordinator.increaseMAS();
                  } else {
                    ParaSettingCoordinator.decreaseMAS();
                  }
                }}
              />
            </Tooltip>
          </div>
          <div>
            <label
              style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
            >
              KV
            </label>
            <InputNumber
              placeholder="KV"
              style={{ width: '100%', marginBottom: 8 }}
              value={aprConfig.kV ?? undefined}
              // onChange={(value) =>
              //   dispatch(setAprConfig({ ...aprConfig, kV: value ?? 0 }))
              // }

              onStep={(value, info) => {
                if (info.type === 'up') {
                  ParaSettingCoordinator.increaseKV();
                } else {
                  ParaSettingCoordinator.decreaseKV();
                }
              }}
            />
          </div>

          {/* <div>
            <label
              style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
            >
              density
            </label>
            <InputNumber
              placeholder="density"
              style={{ width: '100%', marginBottom: 8 }}
              value={aprConfig.AECDensity ?? undefined}
              onChange={(value) =>
                dispatch(setAprConfig({ ...aprConfig, AECDensity: value ?? 0 }))
              }
              onStep={(value, info) => {
                if (info.type === 'up') {
                  ParaSettingCoordinator.increaseDensity();
                } else {
                  ParaSettingCoordinator.decreaseDensity();
                }
              }}
            />
          </div> */}
        </div>
        <div>
          <label
            style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
          >
            <FormattedMessage id="exam.exposureMode.label" />
          </label>
          <Select
            placeholder={<FormattedMessage id="exam.exposureMode.placeholder" />}
            value={currentExposureMode}
            onChange={handleExposureModeChange}
            style={{ width: '100%', marginBottom: 8 }}
          >
            <Select.Option value="mAs">mAs</Select.Option>
            <Select.Option value="time">time</Select.Option>
          </Select>
        </div>
        <div>
          <label
            style={{ display: 'block', marginBottom: 4, fontSize: '12px' }}
          >
            AEC
          </label>
          <Switch
            checkedChildren={<FormattedMessage id="exam.aec.enabled" />}
            unCheckedChildren={<FormattedMessage id="exam.aec.disabled" />}
            checked={isAECEnabled}
            onChange={handleAECChange}
            style={{ marginBottom: 8 }}
          />
        </div>
        <Flex align="center" justify="start" gap="middle" wrap>
          <Button
            data-testid="reset-generator-btn"
            style={{ width: '1.5rem', height: '1.5rem' }}
            icon={
              <Icon
                module="module-exam"
                name="btn_ResetGenerator"
                userId="base"
                theme="default"
                size="2x"
                state="normal"
              />
            }
            title={intl.formatMessage({ id: 'exam.action.resetParams' })}
            onClick={handleResetParameters}
            disabled={isResetting}
          />
        </Flex>
        <Divider />
        <Flex wrap gap="small">
          {showDeleteButton && (
            <Tooltip title={intl.formatMessage({ id: 'exam.action.deletePosition' })}>
              <Button
                style={{ width: '1.5rem', height: '1.5rem' }}
                icon={
                  <Icon
                    module="module-exam"
                    name="btn_DeleteView"
                    userId="base"
                    theme="default"
                    size="2x"
                    state="normal"
                  />
                }
                onClick={async () => {
                  const state = store.getState().bodyPositionList;
                  const selectedBodyPosition = state.selectedBodyPosition;
                  const bodyPositions = state.bodyPositions;

                  // 检查体位数量，至少保留一个
                  if (bodyPositions.length <= 1) {
                    message.warning('至少需要保留一个体位，无法删除');
                    return;
                  }

                  console.log(
                    `选中的体位：${JSON.stringify(selectedBodyPosition)}`
                  );
                  if (
                    selectedBodyPosition &&
                    selectedBodyPosition.sop_instance_uid
                  ) {
                    try {
                      await deleteBodyPosition(
                        selectedBodyPosition.sop_instance_uid
                      );
                      dispatch(
                        removeBodyPositionBySopInstanceUid(
                          selectedBodyPosition.sop_instance_uid
                        )
                      );
                      dispatch(setByIndex(0));
                    } catch (error) {
                      console.error('Error deleting body position:', error);
                      message.error('Failed to delete body position');
                    }
                  }
                }}
              />
            </Tooltip>
          )}

          <Tooltip title={intl.formatMessage({ id: 'exam.action.copyPosition' })}>
            <Button
              style={{ width: '1.5rem', height: '1.5rem' }}
              icon={
                <Icon
                  module="module-exam"
                  name="btn_Copy"
                  userId="base"
                  theme="default"
                  size="2x"
                  state="normal"
                />
              }
              onClick={() => {
                const instanceUid =
                  store.getState().bodyPositionList.selectedBodyPosition
                    ?.study_instance_uid ?? '';
                console.log('Copying position for instance UID:', instanceUid);
                console.log(
                  `${store.getState().bodyPositionList.selectedBodyPosition}`
                );
                dispatch(copyPositionThunk({ instanceUid }));
              }}
            />
          </Tooltip>

          {showSaveParamsButton && (
            <Tooltip title={intl.formatMessage({ id: 'exam.action.saveParams' })}>
              <Button
                style={{ width: '1.5rem', height: '1.5rem' }}
                icon={
                  <Icon
                    module="module-exam"
                    name="btn_Save"
                    userId="base"
                    theme="default"
                    size="2x"
                    state="normal"
                  />
                }
                onClick={handleSaveParams}
              />
            </Tooltip>
          )}

          <Tooltip title={intl.formatMessage({ id: 'exam.action.toggleCamera' })}>
            <Button
              style={{ width: '1.5rem', height: '1.5rem' }}
              icon={
                <Icon
                  module="module-exam"
                  name="btn_OpenCamera"
                  userId="base"
                  theme="default"
                  size="2x"
                  state="normal"
                />
              }
              onClick={handleOpenCamera}
            />
          </Tooltip>

          {showRejectButton && (
            <Tooltip title={intl.formatMessage({ id: 'exam.action.reject' })}>
              <Button
                style={{ width: '1.5rem', height: '1.5rem' }}
                loading={loading}
                icon={
                  <Icon
                    module="module-exam"
                    name="btn_RejectImage"
                    userId="base"
                    theme="default"
                    size="2x"
                    state="normal"
                  />
                }
                onClick={handleReject}
              />
            </Tooltip>
          )}

          {showRestoreButton && (
            <Tooltip title={intl.formatMessage({ id: 'exam.action.restore' })}>
              <Button
                style={{ width: '1.5rem', height: '1.5rem' }}
                loading={loading}
                icon={
                  <Icon
                    module="module-exam"
                    name="btn_RestoreImage"
                    userId="base"
                    theme="default"
                    size="2x"
                    state="normal"
                  />
                }
                onClick={handleRestore}
              />
            </Tooltip>
          )}
        </Flex>
        <ErrorMessage />
      </Col>

      {/* 摄像头 Modal */}
      {cameraIsOpen && cameraStudyId && (
        <CameraModal
          visible={cameraIsOpen}
          studyId={cameraStudyId}
          onClose={() => dispatch(closeCamera())}
        />
      )}
    </Row>
  );
};

export default ContentAreaLarge;