using UnityEngine;
using Bekkoloco.QuickTile;

public class DigBlockSpawner : MonoBehaviour
{
    public QuickTilemapEditor level;
    // Put this marker at the centre of the block's top face.
    // When empty, Spawn uses this GameObject's position.
    public Transform topCenter;
    // Zero-based index in level.tileRules, not the Paths list.
    [Min(0)] public int ruleIndex = 0;
    // World-space dimensions in metres: width, depth, length.
    public Vector3 worldSize = Vector3.one;

    private string lastVolumeId;

    [ContextMenu("Spawn dig block")]
    public void Spawn()
    {
        Vector3 position = topCenter != null
            ? topCenter.position : transform.position;
        SpawnAt(position);
    }

    // Call this from another script to choose the position at runtime.
    public QuickTileDigVolume SpawnAt(Vector3 worldTopCenter)
    {
        if (level == null)
        {
            Debug.LogWarning("Assign the QuickTile level first.", this);
            return null;
        }

        var volume = level.CreateDigVolume(
            worldTopCenter, worldSize, ruleIndex);
        if (volume == null)
        {
            Debug.LogWarning(
                "Choose a diggable terrain rule with Dig Mode " +
                "set to Volume or Both.", this);
            return null;
        }

        lastVolumeId = volume.persistentId;
        return volume;
    }

    [ContextMenu("Fill last dig block")]
    public void FillLast()
    {
        if (level == null || string.IsNullOrEmpty(lastVolumeId))
            return;
        if (level.RemoveDigVolume(lastVolumeId))
            lastVolumeId = null;
    }
}