using UnityEngine;
using UnityEngine.InputSystem;

/// <summary>
/// Example script demonstrating the Upgrade API.
/// Attach this to a GameObject in your scene to test upgrades with keyboard input.
/// </summary>
public class UpgradeAPIDemo : MonoBehaviour
{
    void Update()
    {
        if (Keyboard.current == null)
            return;

        // Press 'E' to upgrade explosive radius
        if (Keyboard.current.eKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradeExplosiveRadius(0.5f);
        }

        // Press 'D' to upgrade explosive damage
        if (Keyboard.current.dKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradeExplosiveDamage(1.5f);
        }

        // Press 'S' to upgrade split angle
        if (Keyboard.current.sKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradeSplitAngle(10f);
        }

        // Press 'P' to upgrade split speed
        if (Keyboard.current.pKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradeSplitSpeed(1.5f);
        }

        // Press 'I' to upgrade piercing hits
        if (Keyboard.current.iKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradePiercingHits(1);
        }

        // Press 'H' to upgrade homing turn rate
        if (Keyboard.current.hKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradeHomingTurnRate(1.5f);
        }

        // Press 'T' to upgrade teleport distance
        if (Keyboard.current.tKey.wasPressedThisFrame)
        {
            GameManager.Instance.UpgradeTeleportDistance(1.5f);
        }

        // Press 'R' to reset all upgrades
        if (Keyboard.current.rKey.wasPressedThisFrame)
        {
            GameManager.Instance.ResetAllUpgrades();
        }

        // Press 'U' to print upgrade summary
        if (Keyboard.current.uKey.wasPressedThisFrame)
        {
            UpgradeState state = GameManager.Instance.GetUpgradeState();
            Debug.Log("=== CURRENT UPGRADES ===\n" + state.ToString());
        }
    }

    void OnGUI()
    {
        GUILayout.BeginArea(new Rect(10, 10, 400, 300));
        GUILayout.Label("UPGRADE API DEMO - Press keys to test:", new GUIStyle(GUI.skin.label) { fontSize = 14 });
        GUILayout.Label("E - Explosive Radius (+0.5)");
        GUILayout.Label("D - Explosive Damage (x1.5)");
        GUILayout.Label("S - Split Angle (+10°)");
        GUILayout.Label("P - Split Speed (x1.5)");
        GUILayout.Label("I - Piercing Hits (+1)");
        GUILayout.Label("H - Homing Turn Rate (x1.5)");
        GUILayout.Label("T - Teleport Distance (x1.5)");
        GUILayout.Label("R - Reset All Upgrades");
        GUILayout.Label("U - Print Upgrade Summary (check Console)");
        GUILayout.EndArea();
    }
}