using System.Collections.Generic;

namespace Sandbox.BeatPad;

// QWERTY -> pad map, bottom-to-top so physical-down == grid-down. Keys are
// Goo.Input.KnownKeys engine names: uppercase letters, digit chars. Numpad is
// intentionally unsupported (not in KnownKeys; we stay inside Goo's input layer).
public static class BeatPadKeys
{
    static readonly Dictionary<string, int> Map = new()
    {
        ["1"] = 12, ["2"] = 13, ["3"] = 14, ["4"] = 15, // top pad row
        ["Q"] = 8,  ["W"] = 9,  ["E"] = 10, ["R"] = 11,
        ["A"] = 4,  ["S"] = 5,  ["D"] = 6,  ["F"] = 7,
        ["Z"] = 0,  ["X"] = 1,  ["C"] = 2,  ["V"] = 3,  // bottom pad row
    };

    public static bool TryMap(string engineName, out int pad) => Map.TryGetValue(engineName, out pad);

    public static IEnumerable<int> AllMappedPads() => Map.Values;
}