import 'package:didvan/config/design_config.dart';
import 'package:didvan/config/theme_data.dart';
import 'package:didvan/models/message_data/message_data.dart';
import 'package:didvan/utils/date_time.dart';
import 'package:didvan/views/ai/widgets/audio_wave.dart';
import 'package:didvan/views/direct/direct_state.dart';
import 'package:didvan/views/widgets/didvan/divider.dart';
import 'package:didvan/views/widgets/didvan/text.dart';
import 'package:didvan/views/widgets/skeleton_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/svg.dart';
import 'package:provider/provider.dart';
import 'package:persian_number_utility/persian_number_utility.dart';

class Message extends StatefulWidget {
  final MessageData message;
  const Message({Key? key, required this.message}) : super(key: key);

  @override
  State<Message> createState() => _MessageState();
}

class _MessageState extends State<Message> with SingleTickerProviderStateMixin {
  late AnimationController _controller;
  late Animation<Offset> _slideAnimation;
  late Animation<double> _opacityAnimation;

  @override
  void initState() {
    super.initState();
    _controller = AnimationController(
      vsync: this,
      duration: const Duration(milliseconds: 300),
    );

    _slideAnimation = Tween<Offset>(
      begin: const Offset(0, 0.5),
      end: Offset.zero,
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: Curves.easeOut,
    ));

    _opacityAnimation = Tween<double>(
      begin: 0.0,
      end: 1.0,
    ).animate(CurvedAnimation(
      parent: _controller,
      curve: Curves.easeIn,
    ));

    _controller.forward();
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    final state = context.read<DirectState>();
    final firstMessageOfGroupId = state
        .dailyMessages[
            widget.message.createdAt.replaceAll('T', ' ').split(' ').first]!
        .last;

    return FadeTransition(
      opacity: _opacityAnimation,
      child: SlideTransition(
        position: _slideAnimation,
        child: GestureDetector(
          onLongPress: () {
            if (state.deletionQueue.contains(widget.message.id) ||
                widget.message.writedByAdmin) {
              return;
            }
            state.deletionQueue.add(widget.message.id);
            state.update();
          },
          onTap: () {
            if (state.deletionQueue.isEmpty || widget.message.writedByAdmin)
              return;
            if (!state.deletionQueue.contains(widget.message.id)) {
              state.deletionQueue.add(widget.message.id);
            } else {
              state.deletionQueue.remove(widget.message.id);
            }
            state.update();
          },
          child: Container(
            color: state.deletionQueue.contains(widget.message.id)
                ? Theme.of(context)
                    .colorScheme
                    .secondaryDisabled
                    .withValues(alpha: 0.5)
                : null,
            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            child: Column(
              crossAxisAlignment: widget.message.writedByAdmin
                  ? CrossAxisAlignment.end
                  : CrossAxisAlignment.start,
              children: [
                if (widget.message.id == firstMessageOfGroupId)
                  Center(
                    child: Container(
                      margin: const EdgeInsets.only(bottom: 12),
                      padding: const EdgeInsets.all(4),
                      decoration: BoxDecoration(
                        color: Theme.of(context).colorScheme.splash,
                        borderRadius: DesignConfig.mediumBorderRadius,
                      ),
                      child: Padding(
                        padding: const EdgeInsets.all(3.0),
                        child: DidvanText(
                          DateTime.parse(widget.message.createdAt)
                              .toPersianDateStr(),
                          style: Theme.of(context).textTheme.labelMedium,
                          color: DesignConfig.isDark
                              ? Theme.of(context).colorScheme.white
                              : Theme.of(context).colorScheme.black,
                        ),
                      ),
                    ),
                  ),
                Padding(
                  padding: const EdgeInsets.all(0),
                  child: Column(
                    crossAxisAlignment: widget.message.writedByAdmin
                        ? CrossAxisAlignment.end
                        : CrossAxisAlignment.start,
                    children: [
                      _MessageContainer(
                        writedByAdmin: widget.message.writedByAdmin,
                        child: Column(
                          crossAxisAlignment: CrossAxisAlignment.start,
                          children: [
                            if (widget.message.text != null)
                              DidvanText(
                                widget.message.text!,
                                fontWeight: FontWeight.normal,
                              ),
                            if (widget.message.audio != null)
                              AudioWave(
                                file: widget.message.audio!,
                                totalDuration: widget.message.duration != null
                                    ? Duration(
                                        seconds: widget.message.duration!)
                                    : null,
                              ),
                            if (widget.message.radar != null ||
                                widget.message.news != null)
                              const DidvanDivider(),
                            if (widget.message.radar != null ||
                                widget.message.news != null)
                              const SizedBox(height: 4),
                            if (widget.message.radar != null)
                              _ReplyRadarOverview(message: widget.message),
                            if (widget.message.news != null)
                              _ReplyNewsOverview(message: widget.message),
                            if (widget.message.radar != null ||
                                widget.message.news != null)
                              const SizedBox(height: 4),
                          ],
                        ),
                      ),
                      const SizedBox(height: 4),
                      Row(
                        mainAxisSize: MainAxisSize.min,
                        mainAxisAlignment: widget.message.writedByAdmin
                            ? MainAxisAlignment.end
                            : MainAxisAlignment.start,
                        crossAxisAlignment: CrossAxisAlignment.center,
                        children: [
                          if (widget.message.writedByAdmin)
                            Padding(
                                padding: const EdgeInsets.only(left: 8),
                                child: Container(
                                  width: 20,
                                  height: 20,
                                  decoration: BoxDecoration(
                                      shape: BoxShape.circle,
                                      border: Border.all(
                                          color: const Color.fromARGB(
                                              255, 184, 184, 184))),
                                  child: Center(
                                    child: SvgPicture.asset(
                                      'lib/assets/icons/Didvan.svg',
                                      width: 12,
                                      height: 12,
                                      color: DesignConfig.isDark
                                          ? Colors.white
                                          : null,
                                    ),
                                  ),
                                ))
                          else
                            Padding(
                              padding: const EdgeInsets.only(left: 8),
                              child: widget.message.writerPhoto != null &&
                                      widget.message.writerPhoto!.isNotEmpty
                                  ? Container(
                                      width: 20,
                                      height: 20,
                                      decoration: BoxDecoration(
                                        shape: BoxShape.circle,
                                        border: Border.all(
                                          color: const Color.fromARGB(
                                              255, 184, 184, 184),
                                          width: 1,
                                        ),
                                      ),
                                      child: ClipRRect(
                                        borderRadius: BorderRadius.circular(10),
                                        child: Image.network(
                                          widget.message.writerPhoto!,
                                          fit: BoxFit.cover,
                                          errorBuilder:
                                              (context, error, stackTrace) {
                                            return Container(
                                              width: 20,
                                              height: 20,
                                              decoration: BoxDecoration(
                                                shape: BoxShape.circle,
                                                border: Border.all(
                                                  color: const Color.fromARGB(
                                                      255, 184, 184, 184),
                                                  width: 1,
                                                ),
                                              ),
                                              child: Icon(
                                                Icons.person_rounded,
                                                size: 12,
                                                color: DesignConfig.isDark
                                                    ? Colors.white
                                                    : Colors.black,
                                              ),
                                            );
                                          },
                                        ),
                                      ),
                                    )
                                  : Container(
                                      width: 20,
                                      height: 20,
                                      decoration: BoxDecoration(
                                        shape: BoxShape.circle,
                                        border: Border.all(
                                          color: const Color.fromARGB(
                                              255, 184, 184, 184),
                                          width: 1,
                                        ),
                                      ),
                                      child: Icon(
                                        Icons.person_rounded,
                                        size: 12,
                                        color: DesignConfig.isDark
                                            ? Colors.white
                                            : Colors.black,
                                      ),
                                    ),
                            ),
                          DidvanText(
                            DateTimeUtils.timeWithAmPm(widget.message.createdAt)
                                .toPersianDigit(),
                            style: Theme.of(context).textTheme.labelSmall,
                            color: Theme.of(context).colorScheme.caption,
                          ),
                          const SizedBox(width: 4),
                          if (!widget.message.writedByAdmin)
                            SvgPicture.asset(
                              widget.message.readed
                                  ? 'lib/assets/icons/Seen.svg'
                                  : 'lib/assets/icons/unseen-tick.svg',
                              height: 10,
                            )
                        ],
                      ),
                    ],
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}

class _ReplyRadarOverview extends StatelessWidget {
  final MessageData message;
  const _ReplyRadarOverview({Key? key, required this.message})
      : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        SkeletonImage(
          imageUrl: message.radar!.image,
          height: 52,
          width: 52,
        ),
        const SizedBox(width: 8),
        Expanded(
          child: SizedBox(
            height: 52,
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                DidvanText(
                  message.radar!.title,
                  style: Theme.of(context).textTheme.bodyLarge,
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  color: const Color.fromARGB(255, 0, 126, 167),
                ),
                Row(
                  children: [
                    Expanded(
                      child: DidvanText(
                        'رادار ${message.radar!.categories.first.label}',
                        style: Theme.of(context)
                            .textTheme
                            .labelSmall
                            ?.copyWith(fontWeight: FontWeight.bold),
                        color: const Color.fromARGB(255, 0, 126, 167),
                      ),
                    ),
                    DidvanText(
                      '${DateTimeUtils.momentGenerator(message.radar!.createdAt)} / خواندن در ${message.radar!.timeToRead} دقیقه',
                      color: const Color.fromARGB(255, 0, 126, 167),
                      style: Theme.of(context)
                          .textTheme
                          .labelSmall
                          ?.copyWith(fontWeight: FontWeight.bold),
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ],
    );
  }
}

class _ReplyNewsOverview extends StatelessWidget {
  final MessageData message;
  const _ReplyNewsOverview({Key? key, required this.message}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        SkeletonImage(
          imageUrl: message.news!.image,
          height: 52,
          width: 52,
        ),
        const SizedBox(width: 8),
        Expanded(
          child: SizedBox(
            height: 52,
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                DidvanText(
                  message.news!.title,
                  style: Theme.of(context).textTheme.bodyLarge,
                  maxLines: 1,
                  overflow: TextOverflow.ellipsis,
                  color: Theme.of(context).colorScheme.focusedBorder,
                ),
                Row(
                  children: [
                    DidvanText(
                      'خبر',
                      style: Theme.of(context).textTheme.labelSmall,
                      color: Theme.of(context).colorScheme.focusedBorder,
                    ),
                    const Spacer(),
                    DidvanText(
                      DateTimeUtils.momentGenerator(message.news!.createdAt),
                      color: Theme.of(context).colorScheme.focusedBorder,
                      style: Theme.of(context).textTheme.labelSmall,
                    ),
                  ],
                ),
              ],
            ),
          ),
        ),
      ],
    );
  }
}

class _MessageContainer extends StatelessWidget {
  final bool writedByAdmin;
  final Widget child;
  const _MessageContainer({
    Key? key,
    required this.writedByAdmin,
    required this.child,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
      decoration: BoxDecoration(
        borderRadius: DesignConfig.highBorderRadius.copyWith(
          bottomLeft: writedByAdmin ? Radius.zero : null,
          bottomRight: !writedByAdmin ? Radius.zero : null,
        ),
        border: Border.all(
          color: writedByAdmin
              ? const Color.fromARGB(255, 184, 184, 184)
              : Colors.transparent,
          width: 0.5,
        ),
        color: (writedByAdmin
                ? Theme.of(context).colorScheme.surface
                : Theme.of(context).colorScheme.focused)
            .withValues(alpha: 0.9),
      ),
      child: child,
    );
  }
}