using System;
using Escape_Room_Engine.Engine.Scripts.Modules;
using UnityEngine;
using Logger = Escape_Room_Engine.Engine.Scripts.Utilities.Logger;
using LogType = Escape_Room_Engine.Engine.Scripts.Utilities.LogType;

namespace Escape_Room_Engine.Engine.Scripts
{
    public class Passage
    {
        internal DoorModule fromOut, toIn;
        /// <summary>
        /// The room relative (<i>RR</i>) position of this passage.
        /// </summary>
        internal Vector2Int rrPosition;

        internal Passage(DoorModule from)
        {
            ConnectFrom(from);
        }

        protected Passage() {}

        internal void ConnectFrom(DoorModule door)
        {
            fromOut = door;
            rrPosition = fromOut.RrPosition;
            
            Logger.Log($"Connected passage from {door} at {rrPosition} (RR).", LogType.PassageConnection);
        }

        internal virtual void ConnectTo(DoorModule door)
        {
            if (fromOut == null)
            {
                throw new Exception("Cannot connect passage to entrance if it hasn't been connected to an exit first.");
            }

            toIn = door;
            
            // to make sure the origin of the player doesn't move, the two doors must be placed in the same location
            toIn.PlaceRoomRelative(rrPosition);
            
            Logger.Log($"Connected passage to {door} at {rrPosition} (RR).", LogType.PassageConnection);
        }
    }
}