import { ExtendedCharacter } from './types'
import ZoneManager from '../managers/zoneManager'

export class MovementValidator {
  public async isValidMove(character: ExtendedCharacter, position: { x: number; y: number }): Promise<boolean> {
    const grid = await ZoneManager.getGrid(character.zoneId)
    if (!grid?.length) return false

    return !this.isObstacle(position, grid)
  }

  private isObstacle({ x, y }: { x: number; y: number }, grid: number[][]): boolean {
    const gridX = Math.floor(x)
    const gridY = Math.floor(y)
    return grid[gridY]?.[gridX] === 1 || grid[gridY]?.[Math.ceil(x)] === 1 || grid[Math.ceil(y)]?.[gridX] === 1 || grid[Math.ceil(y)]?.[Math.ceil(x)] === 1
  }
}