package org.ssssssss.magicapi.swagger;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.web.bind.annotation.ResponseBody;
import org.ssssssss.magicapi.config.ApiInfo;
import org.ssssssss.magicapi.config.MappingHandlerMapping;

import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;

public class SwaggerProvider {

	private MappingHandlerMapping mappingHandlerMapping;

	private String description;

	private String title;

	private String version;

	public void setMappingHandlerMapping(MappingHandlerMapping mappingHandlerMapping) {
		this.mappingHandlerMapping = mappingHandlerMapping;
	}

	public void setDescription(String description) {
		this.description = description;
	}

	public void setTitle(String title) {
		this.title = title;
	}

	public void setVersion(String version) {
		this.version = version;
	}

	@ResponseBody
	public SwaggerEntity swaggerJson(){
		List<ApiInfo> infos = mappingHandlerMapping.getApiInfos();
		SwaggerEntity swaggerEntity = new SwaggerEntity();
		SwaggerEntity.License license = new SwaggerEntity.License("MIT", "https://gitee.com/ssssssss-team/magic-api/blob/master/LICENSE");
		swaggerEntity.setInfo(new SwaggerEntity.Info(this.description, this.version, this.title, license));
		ObjectMapper mapper = new ObjectMapper();
		for (ApiInfo info : infos) {
			swaggerEntity.addTag(info.getGroupName(),info.getGroupPrefix());
			SwaggerEntity.Path path = new SwaggerEntity.Path();
			path.addTag(info.getGroupName());
			try {
				path.addResponse("200",mapper.readValue(Objects.toString(info.getOutput(),"{}"),Object.class));
			} catch (IOException ignored) {
			}
			path.addConsume("*/*");
			path.addProduce("application/json");
			path.setSummary(info.getName());
			try {
				Map map = mapper.readValue(Objects.toString(info.getParameter(),"{}"),Map.class);
				Object request = map.get("request");
				if(request instanceof Map){
					Map requestMap = (Map) request;
					Set keys = requestMap.keySet();
					for (Object key : keys) {
						path.addParameter(new SwaggerEntity.Parameter(key.toString(),"query","string", requestMap.getOrDefault(key,"")));
					}
				}
				Object header = map.get("header");
				if(header instanceof Map){
					Map headers = (Map) header;
					Set keys = headers.keySet();
					for (Object key : keys) {
						path.addParameter(new SwaggerEntity.Parameter(key.toString(),"header","string", headers.getOrDefault(key,"")));
					}
				}
				if(map.containsKey("body")){
					path.addParameter(new SwaggerEntity.Parameter("body","body",null,map.get("body")));
				}
			} catch (IOException ignored) {
			}
			swaggerEntity.addPath(mappingHandlerMapping.getRequestPath(info.getGroupPrefix(),info.getPath()),info.getMethod(),path);
		}
		return swaggerEntity;
	}


}