import 'package:flutter/material.dart';
import 'package:shirne_dialog/shirne_dialog.dart';

import '../models/game_manager.dart';
import '../models/play_mode.dart';
import 'play_step.dart';

class GameBottomBar extends StatefulWidget {
  final PlayMode mode;

  const GameBottomBar(this.mode, {Key? key}) : super(key: key);

  @override
  State<GameBottomBar> createState() => GameBottomBarState();
}

class GameBottomBarState extends State<GameBottomBar> {
  final GameManager gamer = GameManager.instance;

  @override
  Widget build(BuildContext context) {
    if (widget.mode == PlayMode.modeRobot) {
      return robotBottomBar();
    }
    if (widget.mode == PlayMode.modeRobot) {
      return onlineBottomBar();
    }

    return freeBottomBar();
  }

  void _showStepList() {
    final size = MediaQuery.of(context).size;
    MyDialog.popup(
      SizedBox(
        height: size.height * 0.75,
        child: Center(
          child: PlayStep(
            width: size.width * 0.8,
          ),
        ),
      ),
      isScrollControlled: true,
    );
  }

  void _showCode() {}

  void _doReply() {}

  void _goPrev() {
    if (gamer.currentStep < 1) return;
    gamer.loadHistory(gamer.currentStep - 1);
    setState(() {});
  }

  void _goNext() {
    if (gamer.currentStep + 1 >= gamer.stepCount) return;
    gamer.loadHistory(gamer.currentStep + 1);
    setState(() {});
  }

  Widget freeBottomBar() {
    return BottomAppBar(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: [
          IconButton(icon: const Icon(Icons.list), onPressed: _showStepList),
          IconButton(icon: const Icon(Icons.code), onPressed: _showCode),
          IconButton(
            icon: const Icon(Icons.navigate_before),
            onPressed: _goPrev,
          ),
          IconButton(icon: const Icon(Icons.navigate_next), onPressed: _goNext)
        ],
      ),
    );
  }

  Widget onlineBottomBar() {
    return BottomAppBar(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: [
          IconButton(icon: const Icon(Icons.list), onPressed: _showStepList),
          IconButton(icon: const Icon(Icons.replay), onPressed: _doReply),
          IconButton(
            icon: const Icon(Icons.navigate_before),
            onPressed: _goPrev,
          ),
          IconButton(icon: const Icon(Icons.navigate_next), onPressed: _goNext)
        ],
      ),
    );
  }

  Widget robotBottomBar() {
    return BottomAppBar(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceAround,
        children: [
          IconButton(icon: const Icon(Icons.list), onPressed: _showStepList),
          IconButton(icon: const Icon(Icons.replay), onPressed: _doReply),
          IconButton(
            icon: const Icon(Icons.navigate_before),
            onPressed: _goPrev,
          ),
          IconButton(icon: const Icon(Icons.navigate_next), onPressed: _goNext)
        ],
      ),
    );
  }
}