using UnityEngine;
using CSharpESP.Drawing;

namespace CSharpESP.Renderers
{
    public class NameTagRenderer
    {
        public static void Render(
            Camera camera,
            Bounds bounds,
            string entityName,
            float currentHealth,
            float maxHealth,
            Color textColor)
        {
            if (!MathUtils.GetScreenRectFromBounds(camera, bounds, out Rect screenRect))
            {
                return;
            }

            float dist = MathUtils.GetDistance(camera, bounds.center);
            string labelText = $"{entityName} [{dist:F0}m]";

            // Draw text label centered above the bounding box
            Vector2 labelPos = new Vector2(screenRect.center.x, screenRect.yMin - 12f);
            RenderHelper.DrawString(labelPos, labelText, textColor, true);

            // Draw Health Bar if health parameters are valid
            if (maxHealth > 0f)
            {
                float healthPct = Mathf.Clamp01(currentHealth / maxHealth);
                float barWidth = Mathf.Max(30f, screenRect.width);
                float barHeight = 4f;
                float barX = screenRect.center.x - (barWidth / 2f);
                float barY = screenRect.yMin - 6f;

                // Background
                GUI.color = new Color(0f, 0f, 0f, 0.6f);
                GUI.DrawTexture(new Rect(barX, barY, barWidth, barHeight), RenderHelper.WhiteTexture);

                // Health Fill (interpolated green to red)
                Color healthColor = Color.Lerp(Color.red, Color.green, healthPct);
                GUI.color = healthColor;
                GUI.DrawTexture(new Rect(barX, barY, barWidth * healthPct, barHeight), RenderHelper.WhiteTexture);
                GUI.color = Color.white;
            }
        }
    }
}