import { type ArgsOrigin, type CommandAction, type CommandArgType, type CommandArgTypeSign, type CommandConfig, type OptsOrigin, UserAccess } from '../types';
import { CommandError } from '../utils/error';
/** Command argument */
interface CommandArg {
    /** Argument displayname */
    name: string;
    /** Argument type */
    type: CommandArgTypeSign;
    /** Argument is wether optional */
    optional: boolean;
    /** Argument default value, if exists so `optional` is true */
    default?: CommandArgType;
    /** Argument is wether rest arguments */
    rest: boolean;
}
/** Command option */
interface CommandOption {
    /** Option short name, composed a uppercase letter */
    name: string;
    /** Option type */
    type: CommandArgTypeSign;
    /** Option full name (real name), composed some lowercase letters and connect by `-` between word and word */
    realname: string;
    /** Option description */
    description?: string;
}
/**
 * Command meta data.
 *
 * @template Args - Command arguments
 * @template Opts - Command options
 */
interface CommandData<Args = ArgsOrigin, Opts = OptsOrigin, Scope = 'all'> {
    /** Command root content */
    root: string;
    /** Command alias (need bring command prefix) */
    alias: string[];
    /** Command shortcut (needn't bring command prefix) */
    shortcut: string[];
    /** Command is wether hide at the menu */
    hide: boolean;
    /** Command arguments */
    args: CommandArg[];
    /** Command options */
    options: CommandOption[];
    /** Command require message scope (session type) */
    scope: CommandConfig['scope'];
    /** Command require user access level */
    access: UserAccess;
    /** Command description */
    description?: string;
    /** Command help message, it has more details than `description` */
    help?: string;
    /** Command action */
    action?: CommandAction<Args, Opts, Scope>;
}
type GetSignType<T extends string> = T extends `${string}number${string}` ? number : T extends `${string}boolean${string}` ? boolean : string;
type GetArgCtn<Template extends string> = Template extends `${string}:${infer Suffix}` ? Suffix extends `${infer T}=${string}` ? GetSignType<T> : GetSignType<Suffix> : Template extends `${infer T}=${string}` ? GetSignType<T> : string;
type ParseArgs<Template extends string> = string extends Template ? ArgsOrigin : Template extends `${string} ${`<${infer Ctn}>`}${infer Rest}` ? Ctn extends `...${infer Ctn2}` ? [...GetSignType<Ctn2>[]] : [GetArgCtn<Ctn>, ...ParseArgs<Rest>] : Template extends `${string} [${infer Ctn}]${infer Rest}` ? Ctn extends `${infer Ctn2}=${string}` ? Ctn2 extends `...${infer Ctn3}` ? [...GetSignType<Ctn3>[]] : [GetArgCtn<Ctn2>, ...ParseArgs<Rest>] : Ctn extends `...${infer Ctn2}` ? [...GetSignType<Ctn2>[]] : [GetArgCtn<Ctn>?, ...ParseArgs<Rest>] : [];
type ParseOpts<Template extends string> = string extends Template ? {} : Template extends `${infer K}:${infer V}` ? GetSignType<V> extends boolean ? {
    [C in K]: GetSignType<V>;
} : {
    [C in K]?: GetSignType<V>;
} : {};
/**
 * Command.
 *
 * @template Template - Command template
 * @template Opts - Command options
 *
 * @class
 */
export declare class Command<Template extends string = string, Opts extends OptsOrigin = OptsOrigin, Scope extends CommandConfig['scope'] | 'all' = 'all'> {
    private static handleDefaultValue;
    private static parseArgs;
    static run(input: string, data: CommandData): CommandError | {
        args: ArgsOrigin;
        options: OptsOrigin;
    };
    private template;
    /**
     * Command meta data.
     *
     * @readonly
     */
    readonly meta: CommandData<ParseArgs<Template>, Opts, Scope>;
    /**
     * Create a command instance
     *
     * @param template - Command template.
     * @param config - Command config.
     */
    constructor(template: Template, config?: CommandConfig);
    private parse;
    /**
     * Add command alias.
     *
     * @param alias - Command alias.
     * @returns Command instance
     */
    alias(alias: string | string[]): this;
    /**
     * Add command shortcut.
     *
     * @param short - shortcut name
     * @returns Command instance
     */
    shortcut(short: string | string[]): this;
    /**
     * Set the message scope which command require.
     *
     * @param scope - Message scope.
     * @returns Command instance
     */
    scope<S extends CommandConfig['scope']>(scope: S): Command<Template, Opts, S>;
    /**
     * Set the user access level which command require.
     *
     * @param access - User access level.
     * @returns Command instance
     */
    access(access: UserAccess): this;
    /**
     * Add command option.
     *
     * @param name - Option name.
     * @param template - Option template.
     * @returns Command instance
     */
    option<TemplateOpt extends string>(name: string, template: TemplateOpt): Command<Template, Opts & ParseOpts<TemplateOpt>>;
    /**
     * Set command action.
     *
     * @param callback - Command action.
     * @returns Command instance
     */
    action(callback: CommandAction<ParseArgs<Template>, Opts, Scope>): this;
    /**
     * Set command help text.
     *
     * @param text - Command help text.
     * @returns Command instance
     */
    help(text: string): this;
    /**
     * Set command hide.
     *
     * @param isHide - Command hide.
     * @returns Command instance
     */
    hide(isHide?: boolean): this;
}
export default Command;