// Assets/_Project/Scripts/Gameplay/SpellHotkeys.cs
using UnityEngine.InputSystem;

namespace TD.Gameplay
{
    /// <summary>
    /// The fixed key bound to each spell hotkey slot (slot index == grant order ==
    /// <see cref="PlayerSpellLoadout"/> list index). Shared by
    /// <see cref="BuilderSpellCastController"/> (reads input) and the HUD hotbar (renders key
    /// labels) so the two can never drift apart.
    /// </summary>
    /// <remarks>
    /// <see cref="TD.UI.HUDController"/>'s <c>HotkeyLayout</c> already claims the entire
    /// Q/W/E/R/T/A/S/D/F/G/Z/X/C/V/B block for the build command grid, so spell casting uses
    /// the number row instead.
    /// </remarks>
    public static class SpellHotkeys
    {
        public static readonly Key[] Layout =
        {
            Key.Digit1,
            Key.Digit2,
            Key.Digit3,
            Key.Digit4,
        };

        public static int MaxSpellSlots => Layout.Length;
    }
}