import { StringUnionHint } from '../utils';
import { BookElement, BookScope, Primitive, BookElementProps } from './model';
export type BookElements = MetaElements & BlockElements & MediaElements & LayoutElements & StoreElements & TextFormatElements & WebElements;
export type ElementNamespace = 'format' | 'web';
export type LevelBookElements<T extends ElementNamespace> = Pick<BookElements, Extract<keyof BookElements, `${T}.${string}`>>;
export type BookElementsWithoutLevel<ElementsRecord extends Record<keyof ElementsRecord, BookElement<string>>, LevelName extends string> = {
    [Name in keyof ElementsRecord as Name extends `${LevelName}.${infer X}` ? X : Name]: ElementsRecord[Name];
};
type GetElements<T extends Record<string, BookElementProps>> = {
    [K in keyof T]: K extends string ? BookElement<K, T[K]> : never;
};
export type MetaElements = GetElements<{
    title: {};
    authors: {};
}>;
export type LayoutAlign = 'end' | 'start' | 'center';
export type LayoutPosition = 'inline' | 'full' | LayoutAlign;
export type LayoutProps = {
    block?: boolean;
    inline?: boolean;
    position?: LayoutPosition;
};
export type TextAlignProps = {
    align?: LayoutAlign;
};
export type InteractionProps = {
    fast: boolean;
};
export type MediaProps = {
    src: string;
    alt?: string;
};
export type BookElementSize = string | number;
export type SizeProps = {
    width?: BookElementSize;
    height?: BookElementSize;
};
/**
 * Блоки-атомы, из которых состоит книга, не считая обычного текста.
 */
export type BlockElements = GetElements<{
    header: {
        level?: 1 | 2 | 3 | 4 | 5 | 6;
    };
    strong: {};
    em: {};
    code: {
        lang?: string;
    } & LayoutProps;
    tooltip: {
        content: string;
    };
    label: {
        ref: string;
    };
    /**
     * local link or hyperlink
     */
    link: {
        ref?: string;
        href?: string;
    };
    /**
     * Math formula, like LaTEX by default
     */
    math: LayoutProps;
    draft: {};
    /**
     * Placeholder for external elements
     */
    external: {
        scope?: BookScope | (string & {});
        name?: string;
        params?: Record<string, Primitive>;
    };
}>;
export declare const defaultBlockNameList: (keyof BlockElements)[];
export declare const defaultBlockNames: Set<keyof BlockElements>;
export type MediaElements = GetElements<{
    image: MediaProps & SizeProps & LayoutProps;
    video: MediaProps & SizeProps & LayoutProps;
    audio: MediaProps & LayoutProps;
}>;
export type TextFormatElements = GetElements<{
    'format.b': LayoutProps;
    'format.i': LayoutProps;
    'format.u': LayoutProps;
    'format.s': LayoutProps;
    'format.sup': LayoutProps;
    'format.sub': LayoutProps;
    'format.pre': LayoutProps;
    'format.small': LayoutProps;
}>;
export type WebElements = GetElements<{
    'web.video': {
        type?: StringUnionHint<'youtube' | 'vimeo'>;
    } & MediaProps & SizeProps & LayoutProps;
    'web.audio': {
        type?: StringUnionHint<'soundcloud'>;
    } & MediaProps & SizeProps & LayoutProps;
    'web.message': {
        type?: StringUnionHint<'telegram' | 'twitter'>;
    } & MediaProps & SizeProps & LayoutProps;
}>;
/**
 * Элементы, которые определяют верстку остальных элементов
 */
export type LayoutElements = GetElements<{
    area: LayoutProps;
    list: {
        order?: boolean;
    };
    item: {};
    separator: {};
    table: LayoutProps & TextAlignProps;
    row: {
        head?: boolean;
    } & TextAlignProps;
    cell: TextAlignProps;
}>;
export type StoreElements = GetElements<{
    /**
     * Использует заданную мета-информацию для вывода её части
     *
     * ref — ключ, по которому ищется элемент
     */
    use: {
        ref: string;
        path?: string;
    };
    /**
     * числовой счётчик
     */
    counter: {
        start?: string;
        end?: string;
        use?: string;
        last?: string;
        /**
         * initial counter value, by default `0`
         */
        initial?: number | string;
        /**
         * counter step, by default `1`
         */
        step?: number;
        type?: 'number' | 'char' | 'latin' | 'roman' | 'big-roman' | 'big-latin' | 'cyrillic' | 'big-cyrillic';
    };
    resource: {
        path: string;
        src: string;
        type?: keyof MediaElements;
    };
}>;
export {};