package com.publiccms.views.directive.sys;

import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.annotation.Resource;
import org.springframework.stereotype.Component;

import com.publiccms.common.base.AbstractTemplateDirective;
import com.publiccms.common.handler.RenderHandler;
import com.publiccms.common.tools.CommonUtils;
import com.publiccms.entities.sys.SysApp;
import com.publiccms.entities.sys.SysSite;
import com.publiccms.logic.service.sys.SysAppService;

import freemarker.template.TemplateException;

/**
 *
 * sysApp 应用查询指令
 * <p>
 * 参数列表
 * <ul>
 * <li><code>id</code>:应用id,结果返回<code>object</code>
 * {@link com.publiccms.entities.sys.SysApp}
 * <li><code>ids</code>:
 * 多个应用id,逗号或空格间隔,当id为空时生效,结果返回<code>map</code>(id,<code>object</code>)
 * </ul>
 * 使用示例
 * <p>
 * &lt;@sys.app id=1&gt;${object.channel}&lt;/@sys.app&gt;
 * <p>
 * &lt;@sys.app ids='1,2,3'&gt;&lt;#list map as
 * k,v&gt;${k}:${v.channel}&lt;#sep&gt;,&lt;/#list&gt;&lt;/@sys.app&gt;
 * 
 * <pre>
&lt;script&gt;
fetch('${site.dynamicPath}api/directive/sys/app?id=1',{"headers":{"appToken":"接口访问授权Token"}}).then(res => res.json()).then(data=>{    
  console.log(data.channel);
});
&lt;/script&gt;
 * </pre>
 */
@Component
public class SysAppDirective extends AbstractTemplateDirective {

    @Override
    public void execute(RenderHandler handler) throws IOException, TemplateException {
        Integer id = handler.getInteger("id");
        SysSite site = getSite(handler);
        if (CommonUtils.notEmpty(id)) {
            SysApp entity = service.getEntity(id);
            if (null != entity && site.getId() == entity.getSiteId()) {
                handler.put("object", entity).render();
            }
        } else {
            Integer[] ids = handler.getIntegerArray("ids");
            if (CommonUtils.notEmpty(ids)) {
                List<SysApp> entityList = service.getEntitys(ids);
                Map<String, SysApp> map = CommonUtils.listToMapSorted(entityList, k -> k.getId().toString(), null, ids,
                        e -> e.getId(), entity -> site.getId() == entity.getSiteId());
                handler.put("map", map).render();
            }
        }
    }

    @Override
    public boolean needAppToken() {
        return true;
    }

    @Resource
    private SysAppService service;

}
