// Type definitions for csv-stringify 1.0
// Project: https://github.com/wdavidw/node-csv-stringify
// Definitions by: Rogier Schouten <https://github.com/rogierschouten>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/// <reference types="node" />

declare namespace stringify {
    interface StringifyOpts {
        /**
         * List of fields, applied when transform returns an object.
         * Order matters, read the transformer documentation for additionnal information,
         * columns are auto discovered when the user write object, see the "header" option on how to print columns names on the first line.
         */
        columns?: string[];
        /**
         * Set the field delimiter, one character only, defaults to a comma.
         */
        delimiter?: string;
        /**
         * Add the value of "options.rowDelimiter" on the last line, default to true.
         */
        eof?: boolean;
        /**
         * Defaults to the escape read option.
         */
        escape?: boolean;
        /**
         * Display the column names on the first line if the columns option is provided or discovered.
         */
        header?: boolean;
        /**
         * String used to delimit record rows or a special value;
         * special values are 'auto', 'unix', 'mac', 'windows', 'unicode'; defaults to 'auto' (discovered in source or 'unix' if no source is specified).
         */
        lineBreaks?: string;
        /**
         * Defaults to the quote read option.
         */
        quote?: string;
        /**
         * Boolean, default to false, quote all the non-empty fields even if not required.
         */
        quoted?: boolean;
        /**
         * Boolean, no default, quote empty fields? If specified, overrides quotedString for empty strings.
         */
        quotedEmpty?: boolean;
        /**
         * Boolean, default to false, quote all fields of type string even if not required.
         */
        quotedString?: boolean;
        /**
         * String used to delimit record rows or a special value;
         * special values are 'auto', 'unix', 'mac', 'windows', 'unicode'; defaults to 'auto' (discovered in source or 'unix' if no source is specified).
         */
        rowDelimiter?: string;

    }

    interface Stringifier extends NodeJS.ReadWriteStream {
        // Stringifier stream takes array of strings or Object
        write(line: string[] | any): boolean;

        // repeat declarations from NodeJS.WritableStream to avoid compile error
        write(buffer: string | Buffer, cb?: () => void): boolean;
        write(str: string, encoding?: string, cb?: () => void): boolean;
    }
}

/**
 * Streaming stringifier
 */
declare function stringify(opts?: stringify.StringifyOpts): stringify.Stringifier;

/**
 * Callback version: string in --> callback with string out
 */
declare function stringify(input: any[][], opts: stringify.StringifyOpts, callback: (error: Error | undefined, output: string) => void): void;
declare function stringify(input: any[][], callback: (error: Error | undefined, output: string) => void): void;

export = stringify;