/**
 * Complete set of Figma token names (slash-separated format).
 * Source: design-system discussion #1689
 */
const FIGMA_TOKENS: string[] = [
    // Primitive colors
    'color/grey/0',
    'color/grey/50',
    'color/grey/100',
    'color/grey/200',
    'color/grey/300',
    'color/grey/400',
    'color/grey/500',
    'color/grey/600',
    'color/grey/700',
    'color/grey/800',
    'color/grey/900',
    'color/opacity/grey/018',
    'color/pink/50',
    'color/pink/100',
    'color/pink/200',
    'color/pink/300',
    'color/pink/400',
    'color/pink/500',
    'color/pink/600',
    'color/pink/700',
    'color/pink/800',
    'color/yellow/50',
    'color/yellow/100',
    'color/yellow/200',
    'color/yellow/300',
    'color/yellow/400',
    'color/yellow/500',
    'color/yellow/600',
    'color/yellow/700',
    'color/yellow/800',
    'color/blue/50',
    'color/blue/100',
    'color/blue/200',
    'color/blue/300',
    'color/blue/400',
    'color/blue/500',
    'color/blue/600',
    'color/blue/700',
    'color/blue/800',
    'color/teal/50',
    'color/teal/100',
    'color/teal/200',
    'color/teal/300',
    'color/teal/400',
    'color/teal/500',
    'color/teal/600',
    'color/teal/700',
    'color/teal/800',
    'color/red/50',
    'color/red/100',
    'color/red/200',
    'color/red/300',
    'color/red/400',
    'color/red/500',
    'color/red/600',
    'color/red/700',
    'color/red/800',

    // Primitive spacing/sizing/radius
    'spacing/0',
    'spacing/1',
    'spacing/2',
    'spacing/4',
    'spacing/6',
    'spacing/8',
    'spacing/12',
    'spacing/16',
    'spacing/20',
    'spacing/24',
    'spacing/32',
    'spacing/48',
    'spacing/64',
    'spacing/96',
    'spacing/160',
    'sizing/0',
    'sizing/1',
    'sizing/2',
    'sizing/4',
    'sizing/8',
    'sizing/12',
    'sizing/16',
    'sizing/20',
    'sizing/24',
    'sizing/32',
    'sizing/40',
    'sizing/48',
    'sizing/64',
    'sizing/96',
    'sizing/160',
    'radius/0',
    'radius/2',
    'radius/4',
    'radius/8',
    'radius/16',
    'radius/300',

    // Semantic color/text
    'color/text/primary',
    'color/text/secondary',
    'color/text/tertiary',
    'color/text/accentDark',
    'color/text/placeholder',
    'color/text/inverted',
    'color/text/feedback/positive',
    'color/text/feedback/info',
    'color/text/feedback/warning',
    'color/text/feedback/critical',

    // Semantic color/icon
    'color/icon/primary',
    'color/icon/secondary',
    'color/icon/tertiary',
    'color/icon/inverted',
    'color/icon/accentDark',
    'color/icon/disabled',
    'color/icon/feedback/positive',
    'color/icon/feedback/info',
    'color/icon/feedback/warning',
    'color/icon/feedback/critical',

    // Semantic color/border
    'color/border/primary',
    'color/border/secondary',
    'color/border/secondaryopacity',
    'color/border/tertiary',
    'color/border/brand',
    'color/border/feedback/focus',
    'color/border/feedback/critical',
    'color/border/feedback/disabled',
    'color/border/feedback/status',

    // Semantic sizing/icon
    'sizing/icon/16',
    'sizing/icon/24',
    'sizing/icon/32',
    'sizing/icon/48',

    // Semantic borderwidth
    'borderwidth/1',
    'borderwidth/2',

    // Semantic color/background
    'color/background/primary',
    'color/background/secondary',
    'color/background/tertiary',
    'color/background/brand/brand',
    'color/background/brand/accentLight',
    'color/background/inverted/primary',
    'color/background/inverted/secondary',
    'color/background/inverted/tertiary',

    // Semantic color/foreground
    'color/foreground/primary',
    'color/foreground/secondary',
    'color/foreground/tertiary',
    'color/foreground/overlay',
    'color/foreground/disabled',
    'color/foreground/brand/brand',
    'color/foreground/brand/accentLight',
    'color/foreground/brand/accentDark',
    'color/foreground/inverted/primary',
    'color/foreground/inverted/secondary',
    'color/foreground/inverted/tertiary',
    'color/foreground/feedback/positiveDark',
    'color/foreground/feedback/positiveLight',
    'color/foreground/feedback/infoDark',
    'color/foreground/feedback/infoLight',
    'color/foreground/feedback/warningDark',
    'color/foreground/feedback/warningLight',
    'color/foreground/feedback/criticalDark',
    'color/foreground/feedback/criticalLight',
    'color/foreground/feedback/statusOnline',
    'color/foreground/feedback/statusOffline',

    // Component button
    'button/background/primary/B2C/rest',
    'button/background/primary/B2C/hover',
    'button/background/primary/B2C/active',
    'button/background/primary/B2C/busy',
    'button/background/secondary/hover',
    'button/background/secondary/active',
    'button/background/tertiary/hover',
    'button/background/tertiary/active',
    'button/background/critical/rest',
    'button/background/critical/hover',
    'button/background/critical/active',
    'button/background/critical/busy',
    'button/background/disabled/inactive',
    'button/background/ghost/hover',
    'button/background/ghost/active',
    'button/background/classroom/rest',
    'button/background/classroom/hover',
    'button/background/classroom/active',
    'button/background/classroom/selected',
    'button/background/classroom/busy',
    'button/background/onColor/rest',
    'button/background/onColor/hover',
    'button/background/onColor/active',
    'button/background/onColor/busy',
    'button/background/inverted/hover',
    'button/background/inverted/active',
    'button/border/primary/rest',
    'button/border/primary/hover',
    'button/border/primary/active',
    'button/border/primary/busy',
    'button/border/tertiary/rest',
    'button/border/tertiary/hover',
    'button/border/tertiary/active',
    'button/border/tertiary/busy',
    'button/border/critical/rest',
    'button/border/critical/hover',
    'button/border/critical/active',
    'button/border/critical/busy',
    'button/border/disabled/default',
    'button/border/secondary/rest',
    'button/border/secondary/hover',
    'button/border/secondary/active',
    'button/border/secondary/busy',
    'button/border/inverted/rest',
    'button/border/inverted/hover',
    'button/border/inverted/active',
    'button/border/inverted/busy',
    'button/border/focus/default',
    'button/text/inverted',
    'button/text/default',
    'button/text/disabled',
    'button/radius/8',

    // Component action
    'action/background/hover',
    'action/background/active',
    'action/border/tertiary',
];

const FIGMA_TOKEN_SET = new Set(FIGMA_TOKENS);

/**
 * Returns the Figma token name for a code token, or undefined if
 * there's no matching Figma token.
 *
 * Mapping rules:
 * - exp.color.X → color/X (exp prefix stripped)
 * - color.background.X → also checked as color/foreground/X
 * - direct dot→slash conversion
 */
export function getFigmaTokenName(codeTokenName: string): string | undefined {
    const direct = codeTokenName.replace(/\./g, '/');
    if (FIGMA_TOKEN_SET.has(direct)) return direct;

    // exp.color.* → color/* in Figma
    if (codeTokenName.startsWith('exp.')) {
        const stripped = codeTokenName.slice(4).replace(/\./g, '/');
        if (FIGMA_TOKEN_SET.has(stripped)) return stripped;
    }

    // color.background.* → color/foreground/* in Figma
    if (codeTokenName.startsWith('color.background.')) {
        const asForeground = codeTokenName
            .replace('color.background.', 'color.foreground.')
            .replace(/\./g, '/');
        if (FIGMA_TOKEN_SET.has(asForeground)) return asForeground;
    }

    return undefined;
}

export function isFigmaToken(codeTokenName: string): boolean {
    return getFigmaTokenName(codeTokenName) !== undefined;
}