import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:test_sa/extensions/int_extensions.dart';
import 'package:test_sa/extensions/text_extensions.dart';
import 'package:test_sa/extensions/widget_extensions.dart';
import 'package:test_sa/modules/cx_module/chat/chat_provider.dart';
import 'package:test_sa/modules/cx_module/chat/model/call_session.dart';
import 'package:test_sa/modules/cx_module/chat/call/video_call_page.dart';
import 'package:test_sa/new_views/app_style/app_color.dart';
import 'package:test_sa/new_views/common_widgets/default_app_bar.dart';

class AudioCallPage extends StatefulWidget {
  const AudioCallPage({Key? key}) : super(key: key);

  @override
  State<AudioCallPage> createState() => _AudioCallPageState();
}

class _AudioCallPageState extends State<AudioCallPage> {
  @override
  void initState() {
    super.initState();
    // Initialize call on page load
    WidgetsBinding.instance.addPostFrameCallback((_) {
      // Will be implemented when connecting to provider
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColor.backgroundTabBarDark,
      appBar: const DefaultAppBar(
        backgroundColor: Colors.transparent,
        arrowBackColor: AppColor.white10,
      ),
      body: SafeArea(
        child: Selector<ChatProvider, CallSession?>(
          selector: (_, provider) => provider.currentCall,
          builder: (context, session, _) {
            if (session == null) {
              return const Center(child: Text('No active call'));
            }
            return Column(
              children: [
                const Spacer(flex: 2),
                _buildContactInfo(context, session),
                8.height,
                _buildCallStatusOrDuration(context),
                const Spacer(flex: 4),
                _buildControls(context, session),
                32.height,
              ],
            );
          },
        ),
      ),
    );
  }
  Widget _buildContactInfo(BuildContext context, CallSession session) {
    return Column(
      children: [
        Container(
          padding: const EdgeInsets.all(14),
          decoration: BoxDecoration(
            shape: BoxShape.circle,
            color: AppColor.whiteF8d,
            //TODO need to check opacity
            border: Border.all(color: AppColor.white10.withOpacity(0.2), width: 1),
          ),
          child: ClipOval(
            child: session.peerAvatar != null
                ? CachedNetworkImage(
                    imageUrl: session.peerAvatar!,
                    fit: BoxFit.cover,
                    placeholder: (context, url) => Center(
                      child: CircularProgressIndicator(
                        color: Colors.white.withOpacity(0.5),
                      ),
                    ),
                    errorWidget: (context, url, error) => 'call_user_avatar'.toSvgAsset(height: 48, width: 48),
                  )
                : 'call_user_avatar'.toSvgAsset(height: 48, width: 48),
          ),
        ),
        24.height,
        Text(
          session.peerName,
          style: AppTextStyles.heading2.copyWith(
            color: Colors.white,
            fontWeight: FontWeight.w600,
          ),
          textAlign: TextAlign.center,
        ),
      ],
    );
  }

  Widget _buildCallStatusOrDuration(BuildContext context) {
    return Selector<ChatProvider, CallStatus>(
      selector: (_, provider) => provider.callStatus,
      builder: (context, status, _) {
        String statusText;
        switch (status) {
          case CallStatus.outgoingRinging:
            statusText = 'Calling...';
            break;
          case CallStatus.incomingRinging:
            statusText = 'Incoming call...';
            break;
          case CallStatus.connecting:
            statusText = 'Connecting...';
            break;
          case CallStatus.connected:
            return _buildDuration(context);
          default:
            statusText = '';
        }
        return Text(
          statusText,
          style: AppTextStyles.heading5.copyWith(
            color: AppColor.neutral100,
          ),
        );
      },
    );
  }

  Widget _buildDuration(BuildContext context) {
    return Selector<ChatProvider, Duration>(
      selector: (_, provider) => provider.callDuration,
      builder: (context, duration, _) {
        if (duration.inSeconds == 0) {
          return const SizedBox.shrink();
        }

        String twoDigits(int n) => n.toString().padLeft(2, '0');
        final minutes = twoDigits(duration.inMinutes.remainder(60));
        final seconds = twoDigits(duration.inSeconds.remainder(60));

        return Container(
          padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
          decoration: BoxDecoration(
            color: Colors.white.withAlpha(51),
            borderRadius: BorderRadius.circular(20),
          ),
          child: Text(
            '$minutes:$seconds',
            style: AppTextStyles.heading5.copyWith(
              color: AppColor.neutral100,
              fontWeight: FontWeight.w400,
            ),
          ),
        );
      },
    );
  }

  Widget _buildControls(BuildContext context, CallSession session) {
    final chatProvider = context.read<ChatProvider>();
    return Column(
      children: [
        Row(
          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
          children: [
            Selector<ChatProvider, bool>(
              selector: (_, provider) => provider.isMuted,
              builder: (context, isMuted, _) {
                return _buildControlButton(
                  icon: isMuted ? 'mic_disable' : 'mic_enable',
                  label: isMuted ? 'Unmute' : 'Mute',
                  isActive: isMuted,
                  onPressed: () {
                    chatProvider.toggleMute();
                  },
                );
              },
            ),
            _buildControlButton(
              icon: 'video_call_icon',
              label: 'Video',
              isActive: false,
              onPressed: () {
                // Switch to video call view
                Navigator.pushReplacement(
                  context,
                  MaterialPageRoute(
                    builder: (context) => const VideoCallPage(),
                  ),
                );
              },
            ),
            Selector<ChatProvider, bool>(
              selector: (_, provider) => provider.isSpeakerOn,
              builder: (context, isSpeakerOn, _) {
                return _buildControlButton(
                  icon: 'speaker_enable',
                  label: 'Speaker',
                  isActive: isSpeakerOn,
                  onPressed: () {
                    chatProvider.toggleSpeaker();
                  },
                );
              },
            ),
          ],
        ),
        48.height,
        _buildEndCallButton(context, chatProvider),
      ],
    );
  }

  Widget _buildControlButton({
    required String icon,
    required String label,
    required bool isActive,
    required VoidCallback onPressed,
  }) {
    return Column(
      children: [
        Container(
          padding: const EdgeInsets.all(18),
          decoration: BoxDecoration(color: isActive ? AppColor.primary10 : AppColor.black2E, shape: BoxShape.circle, border: BoxBorder.all(color: AppColor.white10.withOpacity(0.2))),
          child: icon.toSvgAsset(width: 24, height: 24, color: AppColor.white10),
        ).onPress(() {
          onPressed();
        }),
        8.height,
        Text(
          label,
          style: AppTextStyles.heading5.copyWith(color: AppColor.neutral100, fontWeight: FontWeight.w400),
        ),
      ],
    );
  }

  Widget _buildEndCallButton(BuildContext context, ChatProvider provider) {
    return Container(
      padding: const EdgeInsets.all(18),
      decoration: BoxDecoration(
        color: AppColor.red30,
        shape: BoxShape.circle,
        boxShadow: [
          BoxShadow(
            color: Colors.black.withOpacity(0.3),
            blurRadius: 8,
            offset: const Offset(0, 4),
          ),
        ],
      ),
      alignment: Alignment.center,
      child: 'end_call'.toSvgAsset(height: 32, width: 32, color: AppColor.white10),
    ).onPress(() async {
      await provider.hangUp();
      if (mounted) {
        Navigator.pop(context);
      }
    });
  }
}