export type DepCheckParser = (content: string, filePath: string, deps: ReadonlyArray<string>, rootDir: string) => Node;

export type DepCheckDetector = (node: Node) => ReadonlyArray<string> | string;

export interface DepCheckOptions {
    withoutDev?: boolean;
    ignoreBinPackage?: boolean;
    ignoreDirs?: ReadonlyArray<string>;
    ignoreMatches?: ReadonlyArray<string>;
    parsers?: {
        [match: string]: DepCheckParser;
    };
    detectors?: ReadonlyArray<DepCheckDetector>;
    specials?: ReadonlyArray<DepCheckParser>;
}

export interface DepCheckResults {
    dependencies: string[];
    devDependencies: string[];
    missing: string[];
    using: string[];
    invalidFiles: string[];
    invalidDirs: string[];
}

export const depcheck = async (rootDir: string, options: DepCheckOptions = {}): Promise<DepCheckResults> => {
    // options.parsers = {
    //     '*.ts.d': parseTypescript,
    //     '*.ts': parseTypescript,
    //     '*.js': depchecklib.parser.es6,
    //     '*.jsx': depchecklib.parser.jsx
    // };
    // tslint:disable-next-line no-any
    const depCheckLib = (await import('depcheck')) as any;
    // tslint:disable-next-line no-any
    return depCheckLib(rootDir, options) as any;
};