/*
 *  Copyright (C) 2005-2021 Team Kodi (https://kodi.tv)
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 *  See LICENSE.md for more information.
 */

#pragma once

#include "Channels.h"
#include "ChannelGroups.h"

#include <string>

#include <kodi/addon-instance/PVR.h>

namespace iptvsimple
{
  static const std::string M3U_START_MARKER        = "#EXTM3U";
  static const std::string M3U_INFO_MARKER         = "#EXTINF";
  static const std::string M3U_GROUP_MARKER        = "#EXTGRP:";
  static const std::string TVG_URL_MARKER          = "x-tvg-url=";
  static const std::string TVG_URL_OTHER_MARKER    = "url-tvg=";
  static const std::string TVG_INFO_ID_MARKER      = "tvg-id=";
  static const std::string TVG_INFO_ID_MARKER_UC   = "tvg-ID="; //some provider incorrectly use an uppercase ID
  static const std::string TVG_INFO_NAME_MARKER    = "tvg-name=";
  static const std::string TVG_INFO_LOGO_MARKER    = "tvg-logo=";
  static const std::string TVG_INFO_SHIFT_MARKER   = "tvg-shift=";
  static const std::string TVG_INFO_CHNO_MARKER    = "tvg-chno=";
  static const std::string CHANNEL_NUMBER_MARKER   = "ch-number=";
  static const std::string TVG_INFO_REC            = "tvg-rec="; // some providers use 'tvg-rec' instead of 'catchup-days'
  static const std::string GROUP_NAME_MARKER       = "group-title=";
  static const std::string CATCHUP                 = "catchup=";
  static const std::string CATCHUP_TYPE            = "catchup-type=";
  static const std::string CATCHUP_DAYS            = "catchup-days=";
  static const std::string CATCHUP_SOURCE          = "catchup-source=";
  static const std::string CATCHUP_SIPTV           = "timeshift=";
  static const std::string CATCHUP_CORRECTION      = "catchup-correction=";
  static const std::string KODIPROP_MARKER         = "#KODIPROP:";
  static const std::string EXTVLCOPT_MARKER        = "#EXTVLCOPT:";
  static const std::string EXTVLCOPT_DASH_MARKER   = "#EXTVLCOPT--";
  static const std::string RADIO_MARKER            = "radio=";
  static const std::string PLAYLIST_TYPE_MARKER    = "#EXT-X-PLAYLIST-TYPE:";

  class PlaylistLoader
  {
    struct M3UHeaderStrings {
        // members will be public without `private:` keyword
        std::string m_catchup;
        std::string m_catchupDays;
        std::string m_catchupSource;
    };

  public:
    PlaylistLoader(kodi::addon::CInstancePVRClient* client, iptvsimple::Channels& channels, iptvsimple::ChannelGroups& channelGroups);

    bool Init();

    bool LoadPlayList();
    void ReloadPlayList();

  private:
    static std::string ReadMarkerValue(const std::string& line, const std::string& markerName);
    static void ParseSinglePropertyIntoChannel(const std::string& line, iptvsimple::data::Channel& channel, const std::string& markerName);

    std::string ParseIntoChannel(const std::string& line, iptvsimple::data::Channel& channel, std::vector<int>& groupIdList, int epgTimeShift, int catchupCorrectionSecs, bool xeevCatchup);
    void ParseAndAddChannelGroups(const std::string& groupNamesListString, std::vector<int>& groupIdList, bool isRadio);

    std::string m_m3uLocation;
    std::string m_logoLocation;

    iptvsimple::ChannelGroups& m_channelGroups;
    iptvsimple::Channels& m_channels;
    kodi::addon::CInstancePVRClient* m_client;

    M3UHeaderStrings m_m3uHeaderStrings;
  };
} //namespace iptvsimple
