import { Zone } from '@prisma/client'
import zoneRepository from '../repositories/zoneRepository'

class LoadedZone {
  private readonly zone: Zone
  // private readonly npcs: ZoneNPC[] = []

  constructor(zone: Zone) {
    this.zone = zone
  }

  public getZone(): Zone {
    return this.zone
  }

  public async getGrid(): Promise<number[][]> {
    let grid: number[][] = Array.from({ length: this.zone.height }, () => Array.from({ length: this.zone.width }, () => 0))

    const eventTiles = await zoneRepository.getEventTiles(this.zone.id)

    // Set the grid values based on the event tiles, these are strings
    eventTiles.forEach((eventTile) => {
      if (eventTile.type === 'BLOCK') {
        grid[eventTile.positionY][eventTile.positionX] = 1
      }
    })

    return grid
  }

  /**
   * @TODO: Implement this
   * @param position
   */
  public async isPositionWalkable(position: { x: number; y: number }): Promise<boolean> {
    const grid = await this.getGrid()
    if (!grid?.length) return false

    const gridX = Math.floor(position.x)
    const gridY = Math.floor(position.y)

    return grid[gridY]?.[gridX] === 1 || grid[gridY]?.[Math.ceil(position.x)] === 1 || grid[Math.ceil(position.y)]?.[gridX] === 1 || grid[Math.ceil(position.y)]?.[Math.ceil(position.x)] === 1
  }
}

export default LoadedZone