import { AnyObject, CommonLogger } from '@naturalcycles/js-lib';
import { InspectAnyOptions } from '..';
/**
 * Properties that exists both in SlackApiBody (as per Slack API) and SlackMessage (our abstraction).
 */
export interface SlackMessageProps {
    /**
     * @default bot
     */
    username?: string;
    channel?: string;
    icon_url?: string;
    /**
     * @default :spider_web:
     */
    icon_emoji?: string;
    attachments?: SlackMessageAttachment[];
}
export interface SlackApiBody extends SlackMessageProps {
    text: string;
}
export interface SlackMessage<CTX = any> extends SlackMessageProps {
    /**
     * The only *required* field.
     *
     * You can throw anything at it, it'll handle it appropriately:
     * String - as is
     * Object - pass via util.inspect()
     * Array - will pass each item via util.inspect() and join with \n
     * Error - print the stack nicely
     *
     * If you don't want the default Array behavior - you can pre-util.inspect() it yourself to your liking.
     */
    items: any;
    /**
     * Optional "context object", to be used by `messagePrefixHook`.
     */
    ctx?: CTX;
    /**
     * Keys-values will be rendered as MessageAttachment with Fields
     */
    kv?: AnyObject;
    /**
     * If specified - adds @name1, @name2 in the end of the message
     */
    mentions?: string[];
    /**
     * By default it ignores possible errors from slack
     *
     * @default false
     */
    throwOnError?: boolean;
}
export interface SlackAttachmentField {
    title: string;
    value: string;
    short?: boolean;
}
export interface SlackMessageAttachment {
    fallback?: string;
    color?: 'good' | 'warning' | 'danger' | string;
    pretext?: string;
    author_name?: string;
    author_link?: string;
    author_icon?: string;
    title?: string;
    title_link?: string;
    text?: string;
    fields?: SlackAttachmentField[];
    image_url?: string;
    thumb_url?: string;
    footer?: string;
    footer_icon?: string;
    ts?: number;
    callback_id?: string;
    mrkdwn_in?: ('pretext' | 'text' | 'fields')[];
}
/**
 * Return `null` to skip (filter out) the message completely.
 */
export declare type SlackMessagePrefixHook<CTX = any> = (msg: SlackMessage<CTX>) => string[] | null | Promise<string[] | null>;
export interface SlackServiceCfg<CTX = any> {
    /**
     * Undefined means slack is disabled.
     */
    webhookUrl?: string;
    defaults?: Partial<SlackMessage>;
    /**
     * Function to return an array of "prefix tokens" (will be joined by ': ').
     * Allows to skip (filter out) the message by returning `null`.
     */
    messagePrefixHook: SlackMessagePrefixHook<CTX>;
    /**
     * By default SlackService logs every message to console.log
     * Pass another logger if needed.
     * Pass `noopLogger` to suppress logging completely.
     */
    logger: CommonLogger;
    /**
     * Defaults to:
     * includeErrorData: true
     * includeErrorStack: true
     */
    inspectOptions: InspectAnyOptions;
}