using UnityEngine;

namespace Vanguard.Board3D
{
    /// <summary>Плоская зона стола: общий круг защиты, урон, душа.</summary>
    public sealed class BoardZoneView : MonoBehaviour
    {
        private MeshRenderer _renderer;
        private MaterialPropertyBlock _block;
        private Color _baseColor;
        private Color _highlightColor;
        private TextMesh _label;

        public static BoardZoneView Create(
            Transform parent,
            string name,
            Vector3 position,
            float width,
            float depth,
            float border,
            Color color,
            string label,
            float labelSize,
            float labelOffsetZ,
            Color labelColor,
            Color highlightColor)
        {
            var go = new GameObject(name);
            go.transform.SetParent(parent, false);
            go.transform.localPosition = position;

            var view = go.AddComponent<BoardZoneView>();
            view._baseColor = color;
            view._highlightColor = highlightColor;
            view._block = new MaterialPropertyBlock();

            var filter = go.AddComponent<MeshFilter>();
            filter.sharedMesh = BoardMeshLibrary.Frame(width, depth, border);

            var renderer = go.AddComponent<MeshRenderer>();
            renderer.sharedMaterial = BoardMaterials.Highlight;
            BoardMaterials.SetShadows(renderer, false);
            view._renderer = renderer;
            view.ApplyColor(false);

            if (!string.IsNullOrEmpty(label))
            {
                view._label = BoardText.Create(
                    go.transform,
                    label,
                    labelSize,
                    labelColor,
                    new Vector3(0f, 0.002f, labelOffsetZ));
            }

            return view;
        }

        public void SetLabel(string text)
        {
            BoardText.SetText(_label, text);
        }

        public void SetHighlighted(bool highlighted)
        {
            ApplyColor(highlighted);
        }

        public void SetColor(Color color)
        {
            _baseColor = color;
            ApplyColor(false);
        }

        private void ApplyColor(bool highlighted)
        {
            if (_renderer == null)
                return;

            _renderer.GetPropertyBlock(_block);
            _block.Clear();
            BoardMaterials.SetColor(
                _block,
                _renderer.sharedMaterial,
                highlighted ? _highlightColor : _baseColor);
            _renderer.SetPropertyBlock(_block);
        }
    }
}