/**
 * based on control.c,v 1.4 2007/06/18 17:58:52 lordjaxom
 *
 * version by Midas
 *
 */

#include "control.h"
#include "config.h"
#include "common.h"

#include <vdr/remote.h>

inline uint64_t BlockTimeout() { return SetupBlock.MessageTimeout * 1000; }

bool cControlBlock::mRequested = false;

cControlBlock::cControlBlock(const cChannel *Channel, const cEvent *Present, const cEvent *Following):
    cControl(new cPlayer),
    mChannel(Channel),
    mPresent(Present),
    mFollowing(Following),
    mStart(0),
    mSwitch(true),
    mOsd(NULL),
    direction(0)
{
#if APIVERSNUM >= 10500
  SetNeedsFastResponse(true);
#else
  needsFastResponse = true;
#endif

  cRemote::Put(kBack,true); //Hide OSD new version
}

cControlBlock::~cControlBlock()
{
  if (mOsd != NULL)
    delete mOsd;
        if (mRequested)
        {
#ifdef LOGGING
          dsyslog("plugin-block: userint user requested to watch blocked channel");
#endif  
          //if (mChannel!=0)
          if (mChannel != NULL)
          {
            cDevice::PrimaryDevice()->SwitchChannel(mChannel, true);
          }
          else
          {
             //don't know if this is necessary - just taken from plugin taste
             //seems that mChannel cannot be 0 because it is an object reference
             //changed that to NULL
             dsyslog("plugin-block: userint Cannot switch - channel unknown!");
          }
        }

  if (mSwitch) {
          int lastchannel=cSetupBlock::LastChannel;
    // possibly first or last available channel, fall back to old channel

    if (direction == 0)
      direction = 1;
    if (!cDevice::SwitchChannel(direction) && (lastchannel != 0))
      Channels.SwitchTo(lastchannel);

  }
}

void cControlBlock::Show(void)
{
  if (mOsd == NULL)
    mOsd = Skins.Current()->DisplayChannel(true);

  mOsd->SetChannel(mChannel, 0);
  mOsd->SetEvents(mPresent, mFollowing);
  mOsd->SetMessage(mtError, tr("Channel not acceptable!"));
  mOsd->Flush();

  mStart = time_ms();
}

eOSState cControlBlock::ProcessKey(eKeys Key)
{
#ifdef LOGGING
  dsyslog("plugin-block: userint cControlBlock::ProcessKey(%d) this = %p", Key, this);
#endif

  switch (Key) {

  case kOk:
#ifdef LOGGING
    dsyslog("plugin-block: userint Processing 'Ok' event");
#endif    
    mRequested = true;
    mSwitch = false;
    return osEnd;

  case kNone:
#ifdef LOGGING
dsyslog("plugin-block: userint Processing kNone (no user interaction)");
#endif
    if (mStart == 0)
      Show();
    else if (time_ms() - mStart > BlockTimeout()) {
    direction = mChannel->Number() - cSetupBlock::LastChannel;
      mSwitch = true;
      return osEnd;
    }
    return osContinue;



  case kUp:
  case kChanUp:
#ifdef LOGGING
dsyslog("plugin-block: userint Processing up event (userrequest)");
#endif
    if (mStart == 0)
      Show();
    else 
    {
      mRequested=false;//TODO:necessary? as below
      direction = 1;
      mSwitch = true;
      return osEnd;
    }
          break;
  case kDown:
  case kChanDn:
#ifdef LOGGING
dsyslog("plugin-block: userint Processing down event (userrequest)");
#endif
    if (mStart == 0)
      Show();
    else 
    {
      mRequested=false;//TODO:necessary? as below
      direction = -1;
      mSwitch = true;
      return osEnd;
    }
          break;


  default:
    break;
  }
  return osContinue;
}