import { useState, useEffect } from 'react';
import type { GameManager, GameOptions } from './types';
import { useBoard } from './useBoard/useBoard';
import { useGameStatus } from './useGameStatus';
import { useCursor } from './useCursor';
import { useCursorRender } from './useCursor/useCursorRender';
import { useScore } from './useScore';

export function useGame(options: GameOptions = {}, platformHook?: unknown): GameManager {
  const { difficulty = 'easy', timeLimit = 600, removedCells } = options;
  const board = useBoard();
  const { containerRef, renderBoard, generateBoard, boardRendered } = board;
  
  const gameStatusManager = useGameStatus();
  const { gameStatus } = gameStatusManager;
  
  const [keyLog, setKeyLog] = useState<{ key: string; timestamp: number }[]>([]);
  
  const [hintsUsedRef] = useState({ current: 0 });
  
  const cursor = useCursor(gameStatusManager, containerRef, board, () => {
    hintsUsedRef.current++;
  });
  const cursorPosition = cursor.position();
  const cursorMode = cursor.mode();
  
  const scoreManager = useScore({ board, gameStatusManager, keyLog, cursorMode, difficulty, hintsUsed: hintsUsedRef.current, timeLimit });
  
  useCursorRender(containerRef, cursorPosition, cursorMode, gameStatus, boardRendered);

  useEffect(() => {
    if (gameStatus !== 'started') return;

    function handleKeyDown(e: KeyboardEvent) {
      setKeyLog(prev => [...prev, { key: e.key, timestamp: Date.now() }]);
    }

    window.addEventListener('keydown', handleKeyDown);
    return () => window.removeEventListener('keydown', handleKeyDown);
  }, [gameStatus]);

  useEffect(() => {
    if (gameStatus === 'started') {
      setKeyLog([]);
    }
  }, [gameStatus]);

  useEffect(() => {
    renderBoard();
  }, []);

  useEffect(() => {
    if (gameStatus === 'started') {
      generateBoard(difficulty, removedCells);
      renderBoard();
    } else if (gameStatus === 'waiting') {
      renderBoard();
    }
  }, [gameStatus, difficulty, removedCells]);

  const gameManager: GameManager = {
    containerRef,
    renderBoard,
    ...gameStatusManager,
    cursor,
    scoreManager,
    keyLog,
    clearKeyLog: () => setKeyLog([]),
    getKeyLog: () => [...keyLog],
  };

  if (typeof platformHook === 'function') {
    platformHook(gameManager);
  }

  return gameManager;
}