/*
 * Seldon -- open source prediction engine
 * =======================================
 *
 * Copyright 2011-2015 Seldon Technologies Ltd and Rummble Ltd (http://www.seldon.io/)
 *
 * ********************************************************************************************
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ********************************************************************************************
 */

package io.seldon.api.controller;

import java.util.Date;

import javax.servlet.http.HttpServletRequest;

import io.seldon.api.APIException;
import io.seldon.api.logging.ApiLogger;
import io.seldon.api.resource.ConsumerBean;
import io.seldon.api.resource.ErrorBean;
import io.seldon.api.resource.ResourceBean;
import io.seldon.api.resource.service.ItemService;
import io.seldon.api.service.ApiLoggerServer;
import io.seldon.api.service.ResourceServer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;


/**
 * @author claudio
 */

@Controller
public class DimensionController {

	@Autowired
	private ResourceServer resourceServer;

	@RequestMapping(value="/dimensions", method = RequestMethod.GET)
	public @ResponseBody
	ResourceBean retrieveDimensions(HttpServletRequest req) {
		Date start = new Date();
		ResourceBean con = resourceServer.validateResourceRequest(req);
		ResourceBean res = con;
		//request authorized
		if(con instanceof ConsumerBean) {
			try {
				res = ItemService.getDimensions((ConsumerBean) con);
			}
			catch(APIException e) {
				ApiLoggerServer.log(this, e);
				res = new ErrorBean(e);
			}
			catch(Exception e) {
				ApiLoggerServer.log(this, e);
				APIException apiEx = new APIException(APIException.GENERIC_ERROR);
				res = new ErrorBean(apiEx);
			}
		}
		ApiLogger.log("dimensions", start, new Date(), con, res, req);
		return res;
	}
	
	@RequestMapping(value="/dimensions/{dimId}", method = RequestMethod.GET)
	public @ResponseBody ResourceBean retrieveDimensions(@PathVariable String dimId,HttpServletRequest req) {
		Date start = new Date();
		ResourceBean con = resourceServer.validateResourceRequest(req);
		ResourceBean res = con;
		//request authorized
		if(con instanceof ConsumerBean) {
			try {
				int id = Integer.parseInt(dimId);
				res = ItemService.getDimension((ConsumerBean)con, id);
			}
			catch(APIException e) {
				ApiLoggerServer.log(this, e);
				res = new ErrorBean(e);
			}
			catch(NumberFormatException e) {
				ApiLoggerServer.log(this, e);
				APIException apiEx = new APIException(APIException.NUMBER_FORMAT_NOT_VALID);
				res = new ErrorBean(apiEx);
			}
			catch(Exception e) {
				ApiLoggerServer.log(this, e);
				APIException apiEx = new APIException(APIException.GENERIC_ERROR);
				res = new ErrorBean(apiEx);
			}
		}
		ApiLogger.log("dimensions.dim_id",start,new Date(),con,res,req);
		return res;
	}
	
}