using UnityEngine;

/// <summary>
/// Utility class for proximity and distance-based calculations.
/// Centralizes common distance checking logic used throughout the game.
/// </summary>
public static class ProximityUtility
{
    /// <summary>
    /// Check if two objects are within a specified distance
    /// </summary>
    public static bool IsWithinDistance(Vector3 from, Vector3 to, float distance)
    {
        return Vector3.Distance(from, to) <= distance;
    }

    /// <summary>
    /// Check if two Transform objects are within a specified distance
    /// </summary>
    public static bool IsWithinDistance(Transform from, Transform to, float distance)
    {
        if (from == null || to == null) return false;
        return IsWithinDistance(from.position, to.position, distance);
    }

    /// <summary>
    /// Check if GameObject is within a specified distance
    /// </summary>
    public static bool IsWithinDistance(GameObject from, GameObject to, float distance)
    {
        if (from == null || to == null) return false;
        return IsWithinDistance(from.transform.position, to.transform.position, distance);
    }

    /// <summary>
    /// Get the distance between two positions
    /// </summary>
    public static float GetDistance(Vector3 from, Vector3 to)
    {
        return Vector3.Distance(from, to);
    }

    /// <summary>
    /// Get the distance between two Transform objects
    /// </summary>
    public static float GetDistance(Transform from, Transform to)
    {
        if (from == null || to == null) return float.MaxValue;
        return GetDistance(from.position, to.position);
    }

    /// <summary>
    /// Get the distance between two GameObjects
    /// </summary>
    public static float GetDistance(GameObject from, GameObject to)
    {
        if (from == null || to == null) return float.MaxValue;
        return GetDistance(from.transform.position, to.transform.position);
    }

    /// <summary>
    /// Check if object is in range and handle both close and far cases
    /// </summary>
    public static bool CheckRange(Vector3 from, Vector3 to, float minDistance, float maxDistance, out float distance)
    {
        distance = GetDistance(from, to);
        return distance >= minDistance && distance <= maxDistance;
    }
}