package com.flightfeather.uav.common.api2word.utils;

import com.fasterxml.jackson.core.JsonProcessingException;

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

/**
 * @author : ivenhan
 * @date : 2020/10/16
 */
public class ResponseUtils {

    public static void validateResponseKey(Map<String, Map> content) throws JsonProcessingException {
		Map<String, Map> applicationJSON = content.get("application/json");
        if (applicationJSON == null) {
        	throw new JsonProcessingException("content 字段缺少 application/json 字段") {};
        }

        Map<String, Map> schema = applicationJSON.get("schema");
        if (schema == null) {
        	throw new JsonProcessingException("content 字段 application/json 字段 缺少 schema 字段") {};
        }

        if (schema.get("type") == null) {
        	throw new JsonProcessingException("content 字段 application/json 字段 schema 字段 缺少 type字段") {};
        }

        Map items = schema.get("items");
        Map properties = schema.get("properties");
        if (items == null && properties == null) {
        	throw new JsonProcessingException("content 字段 application/json 字段 schema 字段 缺少  properties 或者 items 字段") {};
        }


        Set<Entry<String, Map>> contentValues = content.entrySet();

        int size = contentValues.size();
        if ((applicationJSON.get("examples") != null && size > 2) || (applicationJSON.get("examples") == null && size > 1) ) {
        	throw new JsonProcessingException("content 字段存在除 application/json 或者 examples 字段之外的其他字段") {};
        }
    }
}