// Type definitions for Marked 4.0
// Project: https://github.com/markedjs/marked, https://marked.js.org
// Definitions by: William Orr <https://github.com/worr>
//                 BendingBender <https://github.com/BendingBender>
//                 CrossR <https://github.com/CrossR>
//                 Mike Wickett <https://github.com/mwickett>
//                 Hitomi Hatsukaze <https://github.com/htkzhtm>
//                 Ezra Celli <https://github.com/ezracelli>
//                 Romain LE BARO <https://github.com/scandinave>
//                 Sarun Intaralawan <https://github.com/sarunint>
//                 Tony Brix <https://github.com/UziTech>
//                 Anatolii Titov <https://github.com/Toliak>
//                 Jean-Francois Cere <https://github.com/jfcere>
//                 Mykhaylo Stolyarchuk <https://github.com/MykSto>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

/**
 * Compiles markdown to HTML asynchronously.
 *
 * @param src String of markdown source to be compiled
 * @param options Hash of options, having async: true
 * @return Promise of string of compiled HTML
 */
export function marked(src: string, options: marked.MarkedOptions & {async: true}): Promise<string>;

/**
 * Compiles markdown to HTML synchronously.
 *
 * @param src String of markdown source to be compiled
 * @param options Optional hash of options
 * @return String of compiled HTML
 */
export function marked(src: string, options?: marked.MarkedOptions): string;

/**
 * Compiles markdown to HTML asynchronously with a callback.
 *
 * @param src String of markdown source to be compiled
 * @param callback Function called when the markdownString has been fully parsed when using async highlighting
 */
export function marked(src: string, callback: (error: any, parseResult: string) => void): void;

/**
 * Compiles markdown to HTML asynchronously with a callback.
 *
 * @param src String of markdown source to be compiled
 * @param options Hash of options
 * @param callback Function called when the markdownString has been fully parsed when using async highlighting
 */
export function marked(
    src: string,
    options: marked.MarkedOptions,
    callback: (error: any, parseResult: string) => void,
): void;

export class Lexer extends marked.Lexer {}
export class Parser extends marked.Parser {}
export class Tokenizer<T = never> extends marked.Tokenizer<T> {}
export class Renderer<T = never> extends marked.Renderer<T> {}
export class TextRenderer extends marked.TextRenderer {}
export class Slugger extends marked.Slugger {}

export namespace marked {
    const defaults: MarkedOptions;

    /**
     * @param src String of markdown source to be compiled
     * @param options Hash of options
     */
    function lexer(src: string, options?: MarkedOptions): TokensList;

    /**
     * Compiles markdown to HTML.
     *
     * @param src String of markdown source to be compiled
     * @param callback Function called when the markdownString has been fully parsed when using async highlighting
     * @return String of compiled HTML
     */
    function parse(src: string, callback: (error: any, parseResult: string) => void): void;

    /**
     * Compiles markdown to HTML asynchronously.
     *
     * @param src String of markdown source to be compiled
     * @param options Hash of options having async: true
     * @return Promise of string of compiled HTML
     */
    function parse(src: string, options: MarkedOptions & {async: true}): Promise<string>;

    /**
     * Compiles markdown to HTML synchronously.
     *
     * @param src String of markdown source to be compiled
     * @param options Optional hash of options
     * @return String of compiled HTML
     */
    function parse(src: string, options?: MarkedOptions): string;

    /**
     * Compiles markdown to HTML synchronously.
     *
     * @param src String of markdown source to be compiled
     * @param options Optional hash of options
     * @param callback Function called when the markdownString has been fully parsed when using async highlighting
     * @return String of compiled HTML
     */
    function parse(src: string, options: MarkedOptions, callback: (error: any, parseResult: string) => void): void;

    /**
     * @param src Tokenized source as array of tokens
     * @param options Hash of options
     */
    function parser(src: Token[] | TokensList, options?: MarkedOptions): string;

    /**
     * Compiles markdown to HTML without enclosing `p` tag.
     *
     * @param src String of markdown source to be compiled
     * @param options Hash of options
     * @return String of compiled HTML
     */
    function parseInline(src: string, options?: MarkedOptions): string;

    /**
     * Sets the default options.
     *
     * @param options Hash of options
     */
    function options(options: MarkedOptions): typeof marked;

    /**
     * Sets the default options.
     *
     * @param options Hash of options
     */
    function setOptions(options: MarkedOptions): typeof marked;

    /**
     * Gets the original marked default options.
     */
    function getDefaults(): MarkedOptions;

    function walkTokens(tokens: Token[] | TokensList, callback: (token: Token) => void): typeof marked;

    /**
     * Use Extension
     * @param MarkedExtension
     */
    function use(...extensions: MarkedExtension[]): void;

    class Tokenizer<T = never> {
        constructor(options?: MarkedOptions);
        options: MarkedOptions;
        space(this: Tokenizer & TokenizerThis, src: string): Tokens.Space | T;
        code(this: Tokenizer & TokenizerThis, src: string): Tokens.Code | T;
        fences(this: Tokenizer & TokenizerThis, src: string): Tokens.Code | T;
        heading(this: Tokenizer & TokenizerThis, src: string): Tokens.Heading | T;
        hr(this: Tokenizer & TokenizerThis, src: string): Tokens.Hr | T;
        blockquote(this: Tokenizer & TokenizerThis, src: string): Tokens.Blockquote | T;
        list(this: Tokenizer & TokenizerThis, src: string): Tokens.List | T;
        html(this: Tokenizer & TokenizerThis, src: string): Tokens.HTML | T;
        def(this: Tokenizer & TokenizerThis, src: string): Tokens.Def | T;
        table(this: Tokenizer & TokenizerThis, src: string): Tokens.Table | T;
        lheading(this: Tokenizer & TokenizerThis, src: string): Tokens.Heading | T;
        paragraph(this: Tokenizer & TokenizerThis, src: string): Tokens.Paragraph | T;
        text(this: Tokenizer & TokenizerThis, src: string): Tokens.Text | T;
        escape(this: Tokenizer & TokenizerThis, src: string): Tokens.Escape | T;
        tag(this: Tokenizer & TokenizerThis, src: string): Tokens.Tag | T;
        link(this: Tokenizer & TokenizerThis, src: string): Tokens.Image | Tokens.Link | T;
        reflink(
            this: Tokenizer & TokenizerThis,
            src: string,
            links: Tokens.Link[] | Tokens.Image[],
        ): Tokens.Link | Tokens.Image | Tokens.Text | T;
        emStrong(
            this: Tokenizer & TokenizerThis,
            src: string,
            maskedSrc: string,
            prevChar: string,
        ): Tokens.Em | Tokens.Strong | T;
        codespan(this: Tokenizer & TokenizerThis, src: string): Tokens.Codespan | T;
        br(this: Tokenizer & TokenizerThis, src: string): Tokens.Br | T;
        del(this: Tokenizer & TokenizerThis, src: string): Tokens.Del | T;
        autolink(this: Tokenizer & TokenizerThis, src: string, mangle: (cap: string) => string): Tokens.Link | T;
        url(this: Tokenizer & TokenizerThis, src: string, mangle: (cap: string) => string): Tokens.Link | T;
        inlineText(this: Tokenizer & TokenizerThis, src: string, smartypants: (cap: string) => string): Tokens.Text | T;
    }

    type TokenizerObject = Partial<Omit<Tokenizer<false>, 'constructor' | 'options'>>;

    class Renderer<T = never> {
        constructor(options?: MarkedOptions);
        options: MarkedOptions;
        code(this: Renderer | RendererThis, code: string, language: string | undefined, isEscaped: boolean): string | T;
        blockquote(this: Renderer | RendererThis, quote: string): string | T;
        html(this: Renderer | RendererThis, html: string): string | T;
        heading(
            this: Renderer | RendererThis,
            text: string,
            level: 1 | 2 | 3 | 4 | 5 | 6,
            raw: string,
            slugger: Slugger,
        ): string | T;
        hr(this: Renderer | RendererThis): string | T;
        list(this: Renderer | RendererThis, body: string, ordered: boolean, start: number): string | T;
        listitem(this: Renderer | RendererThis, text: string, task: boolean, checked: boolean): string | T;
        checkbox(this: Renderer | RendererThis, checked: boolean): string | T;
        paragraph(this: Renderer | RendererThis, text: string): string | T;
        table(this: Renderer | RendererThis, header: string, body: string): string | T;
        tablerow(this: Renderer | RendererThis, content: string): string | T;
        tablecell(
            this: Renderer | RendererThis,
            content: string,
            flags: {
                header: boolean;
                align: 'center' | 'left' | 'right' | null;
            },
        ): string | T;
        strong(this: Renderer | RendererThis, text: string): string | T;
        em(this: Renderer | RendererThis, text: string): string | T;
        codespan(this: Renderer | RendererThis, code: string): string | T;
        br(this: Renderer | RendererThis): string | T;
        del(this: Renderer | RendererThis, text: string): string | T;
        link(this: Renderer | RendererThis, href: string | null, title: string | null, text: string): string | T;
        image(this: Renderer | RendererThis, href: string | null, title: string | null, text: string): string | T;
        text(this: Renderer | RendererThis, text: string): string | T;
    }

    type RendererObject = Partial<Omit<Renderer<false>, 'constructor' | 'options'>>;

    class TextRenderer {
        strong(text: string): string;
        em(text: string): string;
        codespan(text: string): string;
        del(text: string): string;
        text(text: string): string;
        link(href: string | null, title: string | null, text: string): string;
        image(href: string | null, title: string | null, text: string): string;
        br(): string;
        html(text: string): string;
    }

    class Parser {
        constructor(options?: MarkedOptions);
        tokens: Token[] | TokensList;
        token: Token | null;
        options: MarkedOptions;
        renderer: Renderer;
        textRenderer: TextRenderer;
        slugger: Slugger;
        static parse(src: Token[] | TokensList, options?: MarkedOptions): string;
        static parseInline(src: Token[], options?: MarkedOptions): string;
        parse(src: Token[] | TokensList): string;
        parseInline(src: Token[], renderer?: Renderer): string;
        next(): Token;
    }

    class Lexer {
        constructor(options?: MarkedOptions);
        tokens: TokensList;
        options: MarkedOptions;
        rules: Rules;
        static rules: Rules;
        static lex(src: string, options?: MarkedOptions): TokensList;
        static lexInline(src: string, options?: MarkedOptions): Token[];
        lex(src: string): TokensList;
        blockTokens(src: string, tokens: Token[]): Token[];
        blockTokens(src: string, tokens: TokensList): TokensList;
        inline(src: string, tokens?: Token[]): Token[];
        inlineTokens(src: string, tokens?: Token[]): Token[];
        state: {
            inLink: boolean;
            inRawBlock: boolean;
            top: boolean;
        };
    }

    class Slugger {
        seen: { [slugValue: string]: number };
        slug(value: string, options?: SluggerOptions): string;
    }

    interface SluggerOptions {
        dryrun: boolean;
    }

    interface Rules {
        [ruleName: string]: RegExp | Rules;
    }

    type TokensList = Token[] & {
        links: {
            [key: string]: { href: string | null; title: string | null };
        };
    };

    type Token =
        | Tokens.Space
        | Tokens.Code
        | Tokens.Heading
        | Tokens.Table
        | Tokens.Hr
        | Tokens.Blockquote
        | Tokens.List
        | Tokens.ListItem
        | Tokens.Paragraph
        | Tokens.HTML
        | Tokens.Text
        | Tokens.Def
        | Tokens.Escape
        | Tokens.Tag
        | Tokens.Image
        | Tokens.Link
        | Tokens.Strong
        | Tokens.Em
        | Tokens.Codespan
        | Tokens.Br
        | Tokens.Del;

    namespace Tokens {
        interface Space {
            type: 'space';
            raw: string;
        }

        interface Code {
            type: 'code';
            raw: string;
            codeBlockStyle?: 'indented' | undefined;
            lang?: string | undefined;
            text: string;
        }

        interface Heading {
            type: 'heading';
            raw: string;
            depth: number;
            text: string;
            tokens: Token[];
        }

        interface Table {
            type: 'table';
            raw: string;
            align: Array<'center' | 'left' | 'right' | null>;
            header: TableCell[];
            rows: TableCell[][];
        }

        interface TableCell {
            text: string;
            tokens: Token[];
        }

        interface Hr {
            type: 'hr';
            raw: string;
        }

        interface Blockquote {
            type: 'blockquote';
            raw: string;
            text: string;
            tokens: Token[];
        }

        interface List {
            type: 'list';
            raw: string;
            ordered: boolean;
            start: number | '';
            loose: boolean;
            items: ListItem[];
        }

        interface ListItem {
            type: 'list_item';
            raw: string;
            task: boolean;
            checked?: boolean | undefined;
            loose: boolean;
            text: string;
            tokens: Token[];
        }

        interface Paragraph {
            type: 'paragraph';
            raw: string;
            pre?: boolean | undefined;
            text: string;
            tokens: Token[];
        }

        interface HTML {
            type: 'html';
            raw: string;
            pre: boolean;
            text: string;
        }

        interface Text {
            type: 'text';
            raw: string;
            text: string;
            tokens?: Token[] | undefined;
        }

        interface Def {
            type: 'def';
            raw: string;
            tag: string;
            href: string;
            title: string;
        }

        interface Escape {
            type: 'escape';
            raw: string;
            text: string;
        }

        interface Tag {
            type: 'text' | 'html';
            raw: string;
            inLink: boolean;
            inRawBlock: boolean;
            text: string;
        }

        interface Link {
            type: 'link';
            raw: string;
            href: string;
            title: string;
            text: string;
            tokens: Token[];
        }

        interface Image {
            type: 'image';
            raw: string;
            href: string;
            title: string;
            text: string;
        }

        interface Strong {
            type: 'strong';
            raw: string;
            text: string;
            tokens: Token[];
        }

        interface Em {
            type: 'em';
            raw: string;
            text: string;
            tokens: Token[];
        }

        interface Codespan {
            type: 'codespan';
            raw: string;
            text: string;
        }

        interface Br {
            type: 'br';
            raw: string;
        }

        interface Del {
            type: 'del';
            raw: string;
            text: string;
            tokens: Token[];
        }

        interface Generic {
            [index: string]: any;
            type: string;
            raw: string;
            tokens?: Token[] | undefined;
        }
    }

    interface TokenizerThis {
        lexer: Lexer;
    }

    interface TokenizerExtension {
        name: string;
        level: 'block' | 'inline';
        start?: ((this: TokenizerThis, src: string) => number | void) | undefined;
        tokenizer: (this: TokenizerThis, src: string, tokens: Token[] | TokensList) => Tokens.Generic | void;
        childTokens?: string[] | undefined;
    }

    interface RendererThis {
        parser: Parser;
    }

    interface RendererExtension {
        name: string;
        renderer: (this: RendererThis, token: Tokens.Generic) => string | false;
    }

    type TokenizerAndRendererExtension = TokenizerExtension | RendererExtension | (TokenizerExtension & RendererExtension);

    interface MarkedExtension {
        /**
         * True will tell marked to await any walkTokens functions before parsing the tokens and returning an HTML string.
         */
        async?: boolean;

        /**
         * A prefix URL for any relative link.
         */
        baseUrl?: string | undefined;

        /**
         * Enable GFM line breaks. This option requires the gfm option to be true.
         */
        breaks?: boolean | undefined;

        /**
         * Add tokenizers and renderers to marked
         */
        extensions?:
            | TokenizerAndRendererExtension[]
            | undefined;

        /**
         * Enable GitHub flavored markdown.
         */
        gfm?: boolean | undefined;

        /**
         * Include an id attribute when emitting headings.
         */
        headerIds?: boolean | undefined;

        /**
         * Set the prefix for header tag ids.
         */
        headerPrefix?: string | undefined;

        /**
         * A function to highlight code blocks. The function can either be
         * synchronous (returning a string) or asynchronous (callback invoked
         * with an error if any occurred during highlighting and a string
         * if highlighting was successful)
         */
        highlight?(code: string, lang: string, callback?: (error: any, code?: string) => void): string | void;

        /**
         * Set the prefix for code block classes.
         */
        langPrefix?: string | undefined;

        /**
         * Mangle autolinks (<email@domain.com>).
         */
        mangle?: boolean | undefined;

        /**
         * Conform to obscure parts of markdown.pl as much as possible. Don't fix any of the original markdown bugs or poor behavior.
         */
        pedantic?: boolean | undefined;

        /**
         * Type: object Default: new Renderer()
         *
         * An object containing functions to render tokens to HTML.
         */
        renderer?: Renderer | RendererObject | undefined;

        /**
         * Sanitize the output. Ignore any HTML that has been input.
         */
        sanitize?: boolean | undefined;

        /**
         * Optionally sanitize found HTML with a sanitizer function.
         */
        sanitizer?(html: string): string;

        /**
         * Shows an HTML error message when rendering fails.
         */
        silent?: boolean | undefined;

        /**
         * Use smarter list behavior than the original markdown. May eventually be default with the old behavior moved into pedantic.
         */
        smartLists?: boolean | undefined;

        /**
         * Use "smart" typograhic punctuation for things like quotes and dashes.
         */
        smartypants?: boolean | undefined;

        /**
         * The tokenizer defines how to turn markdown text into tokens.
         */
        tokenizer?: Tokenizer | TokenizerObject | undefined;

        /**
         * The walkTokens function gets called with every token.
         * Child tokens are called before moving on to sibling tokens.
         * Each token is passed by reference so updates are persisted when passed to the parser.
         * The return value of the function is ignored.
         */
        walkTokens?: ((token: Token) => void) | undefined;
        /**
         * Generate closing slash for self-closing tags (<br/> instead of <br>)
         */
        xhtml?: boolean | undefined;
    }

    interface MarkedOptions extends Omit<MarkedExtension, 'extensions'> {
        /**
         * Type: object Default: new Renderer()
         *
         * An object containing functions to render tokens to HTML.
         */
        renderer?: Renderer | undefined;

        /**
         * The tokenizer defines how to turn markdown text into tokens.
         */
        tokenizer?: Tokenizer | undefined;
    }
}