// ported from Feishin https://github.com/jeffvli/feishin

export const EQ_FREQUENCIES = [
	31, 62, 125, 250, 500, 1000, 2000, 4000, 8000, 16000,
];
export const EQ_Q = 1;
export const EQ_MIN_DB = -12;
export const EQ_MAX_DB = 12;

export const EQ_PRESETS: {
	id: string;
	label: string;
	gains: readonly number[];
	preamp: number;
}[] = [
	{
		id: "flat",
		label: "Flat",
		gains: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
		preamp: 0,
	},
	{
		id: "rock",
		label: "Rock",
		gains: [5, 4, 3, 1, -1, -1, 0, 2, 3, 3],
		preamp: -3,
	},
	{
		id: "pop",
		label: "Pop",
		gains: [-1, 0, 2, 4, 4, 3, 1, 0, -1, -1],
		preamp: -2,
	},
	{
		id: "jazz",
		label: "Jazz",
		gains: [3, 2, 1, 2, -1, -1, 0, 1, 2, 3],
		preamp: -2,
	},
	{
		id: "classical",
		label: "Classical",
		gains: [4, 3, 2, 0, 0, 0, -1, -2, -2, -3],
		preamp: -2,
	},
	{
		id: "bass",
		label: "Bass Boost",
		gains: [6, 5, 4, 2, 0, 0, 0, 0, 0, 0],
		preamp: -4,
	},
	{
		id: "vocal",
		label: "Vocal",
		gains: [-2, -2, -1, 1, 3, 3, 2, 1, 0, -1],
		preamp: -2,
	},
];