import type { IsotypeColorKey } from './patterns';

/**
 * Ordered `[back, front, intersection]` for `Cuadrados`. `back`/`front`
 * are `ISOTYPE_COLORS` keys painted as the two frames; `intersection` is the
 * exact hex the brand manual mandates for that screen-print overlap — data,
 * not a value derived from a blend mode.
 */
export type CuadradosPair = readonly [IsotypeColorKey, IsotypeColorKey, string];

/** Brand color pairs in rotation — widen deliberately, not speculatively. */
export type CuadradosVariantId = 'blue-magenta' | 'blue-yellow' | 'green-red';

export const CUADRADOS_VARIANTS: Record<CuadradosVariantId, CuadradosPair> = {
  'blue-magenta': ['blue', 'magenta', '#5A4A96'], // Celeste + Magenta -> Violeta (obligatory)
  'blue-yellow': ['blue', 'yellow', '#2E9A3A'], // Celeste + Amarillo -> Verde medio
  'green-red': ['green', 'red', '#2A2415'], // Verde + Rojo -> Marrón (obligatory)
};

export const CUADRADOS_VARIANT_IDS = Object.keys(
  CUADRADOS_VARIANTS
) as CuadradosVariantId[];