part of '../voice_channel.dart';

class _BigAvatar extends StatelessWidget {
  final _ParticipantData data;
  final PyramidTheme pt;
  const _BigAvatar({required this.data, required this.pt});

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Container(
        width: 100, height: 100,
        decoration: BoxDecoration(
          gradient: LinearGradient(colors: [data.avatarColor, data.avatarColor.withAlpha(150)], begin: Alignment.topLeft, end: Alignment.bottomRight),
          shape: BoxShape.circle,
        ),
        child: Center(child: Text(data.name.isNotEmpty ? data.name[0].toUpperCase() : '?', style: const TextStyle(color: Colors.white, fontSize: 40, fontWeight: FontWeight.bold))),
      ),
    );
  }
}

class _SmallAvatar extends StatelessWidget {
  final _ParticipantData data;
  final PyramidTheme pt;
  const _SmallAvatar({required this.data, required this.pt});

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Container(
        width: 44, height: 44,
        decoration: BoxDecoration(
          gradient: LinearGradient(colors: [data.avatarColor, data.avatarColor.withAlpha(150)], begin: Alignment.topLeft, end: Alignment.bottomRight),
          shape: BoxShape.circle,
        ),
        child: Center(child: Text(data.name.isNotEmpty ? data.name[0].toUpperCase() : '?', style: const TextStyle(color: Colors.white, fontSize: 18, fontWeight: FontWeight.bold))),
      ),
    );
  }
}

class _CallControls extends StatelessWidget {
  final bool isMuted;
  final bool isDeafened;
  final bool isCameraOff;
  final bool isScreenSharing;
  final VoidCallback onToggleMic;
  final VoidCallback onToggleDeafen;
  final VoidCallback onToggleCam;
  final VoidCallback onToggleScreen;
  final VoidCallback onHangUp;
  final PyramidTheme pt;

  const _CallControls({
    required this.isMuted,
    required this.isDeafened,
    required this.isCameraOff,
    required this.isScreenSharing,
    required this.onToggleMic,
    required this.onToggleDeafen,
    required this.onToggleCam,
    required this.onToggleScreen,
    required this.onHangUp,
    required this.pt,
  });

  @override
  Widget build(BuildContext context) {
    return SafeArea(
      top: false,
      child: Container(
        padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 20),
        decoration: BoxDecoration(color: pt.bg1, border: Border(top: BorderSide(color: pt.border))),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            _VoiceCtrlBtn(icon: isMuted ? Icons.mic_off_rounded : Icons.mic_rounded, danger: isMuted, pt: pt, onTap: onToggleMic),
            const SizedBox(width: 16),
            _VoiceCtrlBtn(icon: isDeafened ? Icons.headset_off_rounded : Icons.headphones_rounded, danger: isDeafened, pt: pt, onTap: onToggleDeafen),
            const SizedBox(width: 16),
            _VoiceCtrlBtn(icon: isCameraOff ? Icons.videocam_off_rounded : Icons.videocam_rounded, active: !isCameraOff, pt: pt, onTap: onToggleCam),
            const SizedBox(width: 16),
            _VoiceCtrlBtn(icon: Icons.screen_share_rounded, active: isScreenSharing, pt: pt, onTap: onToggleScreen),
            const SizedBox(width: 24),
            Container(width: 1, height: 32, color: pt.border),
            const SizedBox(width: 24),
            _VoiceCtrlBtn(icon: Icons.call_end_rounded, isDanger: true, pt: pt, onTap: onHangUp),
          ],
        ),
      ),
    );
  }
}

class _NoCall extends StatelessWidget {
  final PyramidTheme pt;
  final WidgetRef ref;
  const _NoCall({required this.pt, required this.ref});

  @override
  Widget build(BuildContext context) {
    return Container(
      color: pt.bg1,
      child: Column(
        children: [
          Container(
            height: 52,
            padding: const EdgeInsets.symmetric(horizontal: 16),
            decoration: BoxDecoration(border: Border(bottom: BorderSide(color: pt.border))),
            child: Row(
              children: [
                PyrIconBtn(
                  icon: const Icon(Icons.menu_rounded),
                  tooltip: 'Toggle sidebar',
                  onPressed: () => ref.read(railCollapsedProvider.notifier).update((s) => !s),
                ),
                const SizedBox(width: 8),
                Icon(Icons.headphones_rounded, size: 16, color: pt.fgMuted),
                const SizedBox(width: 8),
                Text('No active call', style: TextStyle(color: pt.fg, fontSize: 15, fontWeight: FontWeight.w600)),
              ],
            ),
          ),
          Expanded(
            child: Center(
              child: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  Text('𐃏', style: TextStyle(fontSize: 48, color: pt.fgDim.withAlpha(100))),
                  const SizedBox(height: 12),
                  Text('Join a voice room to start a call', style: TextStyle(color: pt.fgMuted, fontSize: 14)),
                ],
              ),
            ),
          ),
        ],
      ),
    );
  }
}

class _FullscreenVideoPage extends StatelessWidget {
  final _ParticipantData data;
  const _FullscreenVideoPage({required this.data});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      body: Stack(children: [
        Positioned.fill(
          child: data.videoWidget != null 
            ? _MirrorWrapper(
                isLocal: data.id == 'local' || (data.originalParticipant is LocalParticipant),
                isScreenShare: data.isScreenShare,
                child: data.videoWidget!,
              )
            : _BigAvatar(data: data, pt: PyramidTheme.of(context)),
        ),
        Positioned(
          top: 0, right: 0,
          child: SafeArea(
            child: IconButton(
              icon: const Icon(Icons.fullscreen_exit_rounded, color: Colors.white, size: 28),
              onPressed: () => Navigator.of(context).pop(),
            ),
          ),
        ),
      ]),
    );
  }
}