package rabbitmq

import (
	"context"
	"errors"

	"github.com/gogf/gf/v2/frame/g"

	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/consts"
	mq "git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/library/rabbitmq"
	"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/model"
	imeiproducer "git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/producer/imei"
)

func (c *Consumers) initImeiQueueStart(ctx context.Context) error {
	if !mq.Enabled(ctx) {
		g.Log().Info(ctx, "imei queue start consumer skipped, RabbitMQ disabled")
		return nil
	}
	if err := mq.ConsumeJSON[model.ImeiQueueStartMessage](ctx, consts.QueueImeiQueueStart, "iotlcm-imei-queue-start", c.handleImeiQueueStart); err != nil {
		return err
	}
	g.Log().Infof(ctx, "imei queue start consumer started, queue:%s", consts.QueueImeiQueueStart)
	return nil
}

func (c *Consumers) handleImeiQueueStart(ctx context.Context, message model.ImeiQueueStartMessage) error {
	if message.RunID == "" {
		g.Log().Errorf(ctx, "imei queue start message dropped, invalid message:%+v", message)
		return nil
	}
	err := c.imeiQueueStart.Produce(ctx, message)
	if errors.Is(err, imeiproducer.ErrAlreadyRunning) {
		g.Log().Warningf(ctx, "imei queue start skipped because a run is active, runId:%s", message.RunID)
		return nil
	}
	// A run that already finished must not be resurrected by a redelivered
	// message. Ack it instead of retrying forever.
	if errors.Is(err, imeiproducer.ErrRunFinished) {
		g.Log().Warningf(ctx, "imei queue start skipped because run already finished, runId:%s", message.RunID)
		return nil
	}
	return err
}