/*
 * Copyright (C) 2008-2021, Juick
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.juick.www.api;

import io.swagger.v3.oas.annotations.Hidden;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.HttpMediaTypeNotAcceptableException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;

import java.net.URI;

/**
 * Created by vitalyster on 25.07.2016.
 */
@ControllerAdvice
@RestController
public class Index {
    private static final Logger logger = LoggerFactory.getLogger("API");

    @Hidden
    @RequestMapping(value = { "/api/", "/ws/" }, method = RequestMethod.GET)
    public ResponseEntity<Void> description() {
        URI redirectUri = ServletUriComponentsBuilder.fromCurrentRequestUri().replacePath("/api/swagger-ui/index.html").build().toUri();
        return ResponseEntity.status(HttpStatus.MOVED_PERMANENTLY).location(redirectUri).build();
    }

    @ExceptionHandler(HttpMediaTypeNotAcceptableException.class)
    public ResponseEntity<String> invalidMediaType(final HttpMediaTypeNotAcceptableException exception,
            final NativeWebRequest request) {
        logger.info("Media type not resolved ({}) for url: {}", request.getHeaderValues("Accept"),
                ServletUriComponentsBuilder.fromCurrentRequestUri().build().toUriString());
        return ResponseEntity.badRequest().body("Invalid media type");
    }
}