export interface Options {
	preserveUnmatchedSyntax?: boolean;
	convertEmphasisToRuby?: {
		enable: boolean;
		character?: string;
	};
}

export interface InternalOptions {
	preserveUnmatchedSyntax: boolean;
	convertEmphasisToRuby: {
		enable: boolean;
		character: string;
	};
}

export const defaultOptions: InternalOptions = {
	preserveUnmatchedSyntax: false,
	convertEmphasisToRuby: {
		enable: false,
		character: "•",
	},
};

export function buildOptions(options?: Options | null): InternalOptions {
	return {
		...defaultOptions,
		...options,
		convertEmphasisToRuby: {
			...defaultOptions.convertEmphasisToRuby,
			...options?.convertEmphasisToRuby,
		},
	};
}