import {
	MinifyOptions,
	CompressOptions,
	BeforeCompressFn,
	AfterCompressFn,
	Usage,
} from "csso";

export default interface CSS extends MinifyOptions, CompressOptions {
	[key: string]: any;

	/**
	 * Generate a source map when true.
	 * @default false
	 */
	sourceMap?: boolean | undefined;

	/**
	 * Filename of input CSS, uses for source map generation.
	 * @default '<unknown>'
	 */
	filename?: string | undefined;

	/**
	 * Output debug information to stderr.
	 * @default false
	 */
	debug?: boolean | undefined;

	/**
	 * Called right after parse is run.
	 * @default null
	 */
	beforeCompress?: BeforeCompressFn | BeforeCompressFn[] | undefined;

	/**
	 * Called right after syntax.compress() is run.
	 * @default null
	 */
	afterCompress?: AfterCompressFn | AfterCompressFn[] | undefined;

	/**
	 * Disable | enable a structure optimisations.
	 * @default true
	 */
	restructure?: boolean;

	/**
	 * Enables merging of @media rules with the same media query by splitted by other rules.
	 * The optimisation is unsafe in general, but should work fine in most cases. Use it on your own risk.
	 * @default false
	 * @default astro-compress: true
	 */
	forceMediaMerge?: boolean;

	/**
	 * Transform a copy of input AST if true. Useful in case of AST reuse.
	 * @default false
	 */
	clone?: boolean;

	/**
	 * Specify what comments to leave:
	 * 'exclamation' | true – leave all exclamation comments (i.e. /*! .. *\/)
	 * 'first-exclamation' – remove every comment except first one false – remove all comments
	 * @default true
	 * @default astro-compress: false
	 */
	comments?: string | boolean | undefined;

	/**
	 * Usage data for advanced optimisations.
	 * @default null
	 */
	usage?: Usage | undefined;

	/**
	 * Function to track every step of transformation.
	 * @default null
	 */
	logger?: () => {} | null;
}