/*
 This file is part of Airsonic.

 Airsonic is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 Airsonic 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with Airsonic.  If not, see <http://www.gnu.org/licenses/>.

 Copyright 2016 (C) Airsonic Authors
 Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
 */
package org.airsonic.player.controller;

import org.airsonic.player.domain.MediaFile;
import org.airsonic.player.domain.User;
import org.airsonic.player.service.MediaFileService;
import org.airsonic.player.service.NetworkService;
import org.airsonic.player.service.PlayerService;
import org.airsonic.player.service.SecurityService;
import org.airsonic.player.util.StringUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Controller for the page used to play videos.
 *
 * @author Sindre Mehus
 */
@Controller
@RequestMapping("/videoPlayer")
public class VideoPlayerController {

    public static final int DEFAULT_BIT_RATE = 2000;
    public static final int[] BIT_RATES = {200, 300, 400, 500, 700, 1000, 1200, 1500, 2000, 3000, 5000};

    @Autowired
    private MediaFileService mediaFileService;
    @Autowired
    private PlayerService playerService;
    @Autowired
    private SecurityService securityService;

    @GetMapping
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) throws Exception {

        User user = securityService.getCurrentUser(request);
        Map<String, Object> map = new HashMap<String, Object>();
        int id = ServletRequestUtils.getRequiredIntParameter(request, "id");
        MediaFile file = mediaFileService.getMediaFile(id);
        mediaFileService.populateStarredDate(file, user.getUsername());

        Integer duration = file.getDurationSeconds();
        Integer playerId = playerService.getPlayer(request, response).getId();
        String url = NetworkService.getBaseUrl(request);
        String streamUrl = url + "stream?id=" + file.getId() + "&player=" + playerId + "&format=mp4";
        String coverArtUrl = url + "coverArt.view?id=" + file.getId();

        map.put("video", file);
        map.put("streamUrl", streamUrl);
        map.put("remoteStreamUrl", streamUrl);
        map.put("remoteCoverArtUrl", coverArtUrl);
        map.put("duration", duration);
        map.put("bitRates", BIT_RATES);
        map.put("defaultBitRate", DEFAULT_BIT_RATE);
        map.put("user", user);

        return new ModelAndView("videoPlayer", "model", map);
    }

    public static Map<String, Integer> createSkipOffsets(int durationSeconds) {
        LinkedHashMap<String, Integer> result = new LinkedHashMap<String, Integer>();
        for (int i = 0; i < durationSeconds; i += 60) {
            result.put(StringUtil.formatDurationMSS(i), i);
        }
        return result;
    }

}
