import { PlayerConnection } from '../player-connection';
import { broadcastBoard } from '../view/board-renderer';
import { broadcastButtons } from '../view/button-renderer';
import { broadcastSound, broadcastSoundToPlayer } from '../view/sound-renderer';
import { broadcastTitle } from '../view/title-renderer';
import { GameServer } from '../game-server';
import { Message } from './messages';

export interface MakeMoveMessage extends Message {
  row: number;
  col: number;
}

export function handleMakeMove(
  server: GameServer,
  conn: PlayerConnection,
  message: MakeMoveMessage,
): void {
  const { row, col } = message;

  if (server.gomoku.status !== 'playing') {
    conn.sendMessage(
      'error',
      'You cannot play a move while the game is not ongoing!',
    );
    return;
  }

  var playerColor;
  if (server.blackPlayerId === conn.id) {
    playerColor = 'black';
  } else if (server.whitePlayerId == conn.id) {
    playerColor = 'white';
  } else {
    conn.sendMessage(
      'error',
      'You are not a player in this game, you cannot make a move!',
    );
    return;
  }
  if (server.gomoku.currentPlayerColor !== playerColor) {
    conn.sendMessage('error', "It's not your turn");
    return;
  }

  if (server.takebackRequesterId || server.drawRequesterId) {
    server.takebackRequesterId = null;
    server.drawRequesterId = null;
    broadcastButtons(server);
  }

  const stateBeforeMove = server.gomoku.status;
  const result = server.gomoku.makeMove(playerColor, row, col);
  if (result.success) {
    broadcastBoard(server);
    broadcastTitle(server);
    // We only need to re-send buttons when the game state changes
    if (stateBeforeMove != server.gomoku.status) {
      broadcastButtons(server);
    }

    // Broadcast sounds
    if (server.gomoku.status === 'playing') {
      broadcastSound(server, 'move');
    } else {
      const whiteConn = server.whitePlayerId
        ? server.connections.get(server.whitePlayerId)
        : null;
      const blackConn = server.blackPlayerId
        ? server.connections.get(server.blackPlayerId)
        : null;
      switch (server.gomoku.winnerColor) {
        case 'draw':
          broadcastSound(server, 'draw');
        case 'white':
          if (whiteConn) {
            broadcastSoundToPlayer(whiteConn, 'victory');
          }
          if (blackConn) {
            broadcastSoundToPlayer(blackConn, 'defeat');
          }
          break;
        case 'black':
          if (whiteConn) {
            broadcastSoundToPlayer(whiteConn, 'defeat');
          }
          if (blackConn) {
            broadcastSoundToPlayer(blackConn, 'victory');
          }
          break;
      }
    }

    console.log(
      `Move made in game ${server.id} by ${conn.id}: (${row}, ${col})`,
    );
  } else {
    conn.sendMessage('error', result.error!);
  }
}