package com.ld.igds.camera;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Map;

/**
 * 视频接口管理，用于管理不同播放方式的协议接口，业务通过当前管理调用不同的实现
 */
@Component(ApiCameraManager.BEAN_ID)
public class ApiCameraManager implements ApplicationContextAware {

    public static final String BEAN_ID = "core.apiCameraManager";


    public static Map<String, ApiCameraService> remoteMap = new HashMap<>();

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {

        Map<String, ApiCameraService> grainMap = applicationContext.getBeansOfType(ApiCameraService.class);

        for (String key : grainMap.keySet()) {
            remoteMap.put(grainMap.get(key).getPlayType(), grainMap.get(key));
        }
    }


    /**
     * 根据播放方式获取系统实现接口，如果接口没有实现，自动调用系统默认接口
     *
     * @param playType
     * @return
     */
    public ApiCameraService getApiCameraService(String playType) {
        ApiCameraService apiCameraService = remoteMap.get(playType);
        if (null == apiCameraService) {
            apiCameraService = remoteMap.get(CameraUtil.PLAY_TYPE_DEFAULT);
        }
        return apiCameraService;
    }
}