import { type Callsite } from '@evojs/callsite';
import { type LogLevel } from './enums';
import { type Log } from './log';
export interface LoggerOptions {
	/**
	 * Name of the logger.
	 */
	name?: string;
	/**
	 * Output message formats.
	 */
	formats?: (string | LogFormatFn)[];
	/**
	 * Functions for message formatting.
	 */
	pipes?: LogPipes;
	/**
	 * Output log handler. Set the handler for handle output messages.
	 */
	handler?: (log: Log) => void;
	/**
	 * Output log handler. Set the handler for handle output messages.
	 * @default 'verbose'
	 */
	logLevel?: LogLevel;
	/**
	 * Callsite depth
	 * @default 0
	 */
	callsiteDepth?: number;
}
export interface LogMessage {
	date: number;
	level: LogLevel;
	name?: string;
	args: unknown[];
	callsite?: Callsite | null;
}
export type PipeFn = (...args: any[]) => unknown;
export type LogPipes = Readonly<Record<string, PipeFn>>;
export type LogFormatFn = (this: LogPipes, message: LogMessage) => unknown;