const { mq } = require('./mqPrefix')
const TASK_QUEUE = mq('runforge_task_queue')

/**
 * 声明乐跑任务主队列（无 RabbitMQ 插件）
 */
async function assertRunforgeTaskIngress(channel, logger) {
    await channel.assertQueue(TASK_QUEUE, { durable: true })
    return { mode: 'direct', queue: TASK_QUEUE }
}

/**
 * 投递乐跑任务 JSON 消息体（与 Worker 消费格式一致）
 */
function publishRunforgeTask(channel, messageObject, logger) {
    const body = Buffer.from(JSON.stringify(messageObject))
    const ok = channel.sendToQueue(TASK_QUEUE, body, {
        persistent: true,
        contentType: 'application/json'
    })
    if (!ok) {
        throw new Error(`MQ 背压，未能写入队列 ${TASK_QUEUE}`)
    }
    logger?.info?.(
        `乐跑任务已投递 MQ queue=${TASK_QUEUE} id=${messageObject?.id} type=${messageObject?.type}`
    )
}

module.exports = {
    TASK_QUEUE,
    assertRunforgeTaskIngress,
    publishRunforgeTask
}