export const colors = {
    ut: {
        burntorange: '#BF5700',
        black: '#333F48',
        orange: '#f8971f',
        yellow: '#ffd600',
        lightgreen: '#a6cd57',
        green: '#579d42',
        teal: '#00a9b7',
        blue: '#005f86',
        gray: '#9cadb7',
        offwhite: '#d6d2c4',
        concrete: '#95a5a6',
    },
    theme: {
        red: '#af2e2d',
        black: '#1a2024',
    },
} as const;

type NestedKeys<T> = {
    [K in keyof T]: T[K] extends Record<string, any> ? `${string & K}-${string & keyof T[K]}` : never;
}[keyof T];

/**
 * A union of all colors in the theme
 */
export type ThemeColor = NestedKeys<typeof colors>;

export const colorsFlattened = Object.entries(colors).reduce(
    (acc, [prefix, group]) => {
        for (const [name, hex] of Object.entries(group)) {
            acc[`${prefix}-${name}`] = hex;
        }
        return acc;
    },
    {} as Record<ThemeColor, string>
);

const hexToRgb = (hex: string) =>
    hex.match(/[0-9a-f]{2}/gi).map(partialHex => parseInt(partialHex, 16)) as [number, number, number];

const colorsFlattenedRgb = Object.fromEntries(
    Object.entries(colorsFlattened).map(([name, hex]) => [name, hexToRgb(hex)])
) as Record<ThemeColor, ReturnType<typeof hexToRgb>>;

/**
 * Retrieves the hexadecimal color value by name from the theme.
 *
 * @param name - The name of the theme color.
 * @returns The hexadecimal color value.
 */
export const getThemeColorHexByName = (name: ThemeColor): string => colorsFlattened[name];

/**
 *
 * @param name - The name of the theme color.
 * @returns An array of the red, green, and blue values, respectively
 */
export const getThemeColorRgbByName = (name: ThemeColor) => colorsFlattenedRgb[name];