import type { LogRecord } from "./log-record.ts"

/**
 * @description Describe options consumed by log emitters.
 */
export interface LogEmitterOptions extends Omit<LogRecord, "type"> {}
/**
 * @description Define the base emitter contract for dispatching formatted logs.
 */
export abstract class LogEmitter {
  readonly tags: string[]
  readonly messages: unknown[]

  readonly formattedMessages: string[]

  constructor(options: LogEmitterOptions) {
    this.tags = options.tags ?? []
    this.messages = options.messages ?? []

    this.formattedMessages = []
    this.formattedMessages.push(this.tags.map((tag) => `[${tag}]`).join(""))
    this.formattedMessages.push(this.messages.map((message) => String(message)).join(" "))
  }

  abstract emit(): void
}

/**
 * @description Emit `log` records via `console.log`.
 */
export class ConsoleLogLogEmitter extends LogEmitter {
  emit(): void {
    console.log(this.formattedMessages.join(" "))
  }
}

/**
 * @description Emit `info` records via `console.info`.
 */
export class ConsoleInfoLogEmitter extends LogEmitter {
  emit(): void {
    console.info(this.formattedMessages.join(" "))
  }
}

/**
 * @description Emit `warn` records via `console.warn`.
 */
export class ConsoleWarnLogEmitter extends LogEmitter {
  emit(): void {
    console.warn(this.formattedMessages.join(" "))
  }
}

/**
 * @description Emit `error` records via `console.error`.
 */
export class ConsoleErrorLogEmitter extends LogEmitter {
  emit(): void {
    console.error(this.formattedMessages.join(" "))
  }
}

/**
 * @description Emit `debug` records via `console.debug`.
 */
export class ConsoleDebugLogEmitter extends LogEmitter {
  emit(): void {
    console.debug(this.formattedMessages.join(" "))
  }
}