package com.publiccms.views.directive.cms;

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.cms.CmsDictionary;
import com.publiccms.entities.cms.CmsDictionaryId;
import com.publiccms.entities.sys.SysSite;
import com.publiccms.logic.service.cms.CmsDictionaryService;

import freemarker.template.TemplateException;

/**
 *
 * dictionary 数据字典查询指令
 * <p>
 * 参数列表
 * <ul>
 * <li><code>id</code>:值,结果返回<code>object</code>{@link com.publiccms.entities.cms.CmsDictionary}
 * <li><code>ids</code>:多个值,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>
 * <p>
 * 使用示例
 * <p>
 * &lt;@cms.dictionary id='data'&gt;${object.name}&lt;/@cms.dictionary&gt;
 * <p>
 * &lt;@cms.dictionary values='data,data2'&gt;&lt;#list map as
 * k,v&gt;${k}:${v.name}&lt;#sep&gt;,&lt;/#list&gt;&lt;/@cms.dictionary&gt;
 *
 * <pre>
 *  &lt;script&gt;
   $.getJSON('${site.dynamicPath}api/directive/cms/dictionary?dictionaryId=data&amp;value=1', function(data){
     console.log(data.name);
   });
   &lt;/script&gt;
 * </pre>
 */
@Component
public class CmsDictionaryDirective extends AbstractTemplateDirective {

    @Override
    public void execute(RenderHandler handler) throws IOException, TemplateException {
        SysSite site = getSite(handler);
        short siteId = null == site.getParentId() ? site.getId() : site.getParentId();
        String id = handler.getString("id");
        if (CommonUtils.notEmpty(id)) {
            CmsDictionaryId entityId = new CmsDictionaryId(id, siteId);
            CmsDictionary entity = service.getEntity(entityId);
            if (null != entity) {
                handler.put("object", entity).render();
            }
        } else {
            String[] ids = handler.getStringArray("ids");
            if (CommonUtils.notEmpty(ids)) {
                CmsDictionaryId[] entityIds = new CmsDictionaryId[ids.length];
                for (int i = 0; i < ids.length; i++) {
                    entityIds[i] = new CmsDictionaryId(ids[i], siteId);
                }
                List<CmsDictionary> entityList = service.getEntitys(entityIds);
                Map<String, CmsDictionary> map = CommonUtils.listToMapSorted(entityList, k -> k.getId().getId(), ids,
                        e -> e.getId());
                handler.put("map", map).render();
            }
        }
    }

    @Resource
    private CmsDictionaryService service;

}
