import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
import 'package:mchess/chess_bloc/chess_bloc.dart';

import 'package:mchess/chess/chess_board.dart';
import 'package:mchess/chess_bloc/promotion_bloc.dart';
import 'package:mchess/chess_bloc/tap_bloc.dart';
import 'package:mchess/utils/chess_utils.dart';
import 'package:mchess/utils/widgets/promotion_dialog.dart';
import 'package:universal_platform/universal_platform.dart';
import 'package:uuid/uuid.dart';

class ChessGame extends StatefulWidget {
  final UuidValue playerID;
  final UuidValue lobbyID;
  final String? passphrase;
  const ChessGame(
      {required this.playerID,
      required this.lobbyID,
      required this.passphrase,
      super.key});

  @override
  State<ChessGame> createState() => _ChessGameState();
}

class _ChessGameState extends State<ChessGame> {
  ChessCoordinate? tappedSquare;

  @override
  Widget build(BuildContext context) {
    FloatingActionButton? fltnBtn;
    if (UniversalPlatform.isLinux ||
        UniversalPlatform.isMacOS ||
        UniversalPlatform.isWindows) {
      fltnBtn = FloatingActionButton(
        child: const Icon(Icons.cancel),
        onPressed: () {
          context.pop();
        },
      );
    }
    return Scaffold(
      floatingActionButton: fltnBtn,
      body: Center(
        child: Container(
          margin: const EdgeInsets.all(10),
          child: BlocListener<TapBloc, TapState>(
            listener: (context, state) {
              setState(() {
                tappedSquare = state.firstSquareTapped;
              });
            },
            child: BlocListener<PromotionBloc, PromotionState>(
              listener: (listenerContext, state) {
                if (state.showPromotionDialog) {
                  promotionDialogBuilder(listenerContext, state.colorMoved);
                }
              },
              child: BlocBuilder<ChessBloc, ChessBoardState>(
                builder: (context, state) {
                  return ChessBoard(
                    boardState: state,
                    tappedSquare: tappedSquare,
                  );
                },
              ),
            ),
          ),
        ),
      ),
    );
  }

  Future<void> promotionDialogBuilder(BuildContext context, ChessColor color) {
    return showDialog<void>(
      context: context,
      barrierDismissible: false,
      builder: (BuildContext context) {
        return PromotionDialog(
          sideColor: color,
        );
      },
    );
  }
}

class ChessGameArguments {
  final UuidValue lobbyID;
  final UuidValue playerID;
  final String? passphrase;

  ChessGameArguments({
    required this.lobbyID,
    required this.playerID,
    required this.passphrase,
  });

  bool isValid() {
    try {
      lobbyID.validate();
      playerID.validate();
    } catch (e) {
      return false;
    }

    if (passphrase == null) return false;
    if (passphrase!.isEmpty) return false;

    return true;
  }
}