import { h, render } from 'preact';
import { signal } from '@preact/signals-core';
import { useEffect, useState } from 'preact/hooks';
import Phaser from 'phaser';
import { createGameContext } from 'boardgame-core';
import { GameUI, PromptDialog, CommandLog } from 'boardgame-phaser';
import { createInitialState, registry, type TicTacToeState } from './game/tic-tac-toe';
import { GameScene } from './scenes/GameScene';
import './style.css';

const gameContext = createGameContext<TicTacToeState>(registry, createInitialState);

const promptSignal = signal<null | Awaited<ReturnType<typeof gameContext.commands.promptQueue.pop>>>(null);
const commandLog = signal<Array<{ input: string; result: string; timestamp: number }>>([]);

// 监听 prompt 事件
gameContext.commands.on('prompt', (event) => {
  promptSignal.value = event;
});

// 包装 run 方法以记录命令日志
const originalRun = gameContext.commands.run.bind(gameContext.commands);
(gameContext.commands as any).run = async (input: string) => {
  const result = await originalRun(input);
  commandLog.value = [
    ...commandLog.value,
    {
      input,
      result: result.success ? `OK: ${JSON.stringify(result.result)}` : `ERR: ${result.error}`,
      timestamp: Date.now(),
    },
  ];
  return result;
};

function App() {
  const [phaserReady, setPhaserReady] = useState(false);
  const [game, setGame] = useState<Phaser.Game | null>(null);

  useEffect(() => {
    const phaserConfig: Phaser.Types.Core.GameConfig = {
      type: Phaser.AUTO,
      width: 560,
      height: 560,
      parent: 'phaser-container',
      backgroundColor: '#f9fafb',
      scene: [],
    };

    const phaserGame = new Phaser.Game(phaserConfig);
    // 通过 init 传递 gameContext
    phaserGame.scene.add('GameScene', GameScene, true, { gameContext });

    setGame(phaserGame);
    setPhaserReady(true);

    return () => {
      phaserGame.destroy(true);
    };
  }, []);

  useEffect(() => {
    if (phaserReady) {
      gameContext.commands.run('setup');
    }
  }, [phaserReady]);

  return (
    <div className="flex flex-col h-screen">
      <div className="flex-1 relative">
        <div id="phaser-container" className="w-full h-full" />
        <PromptDialog
          prompt={promptSignal.value}
          onSubmit={(input: string) => {
            gameContext.commands._tryCommit(input);
            promptSignal.value = null;
          }}
          onCancel={() => {
            gameContext.commands._cancel('cancelled');
            promptSignal.value = null;
          }}
        />
      </div>
      <div className="p-4 bg-gray-100 border-t">
        <CommandLog entries={commandLog} />
      </div>
    </div>
  );
}

const ui = new GameUI({
  container: document.getElementById('ui-root')!,
  root: <App />,
});

ui.mount();