package rabbit

import (
	"context"
	"errors"

	rmq "github.com/rabbitmq/rabbitmq-amqp-go-client/pkg/rabbitmqamqp"
)

func NewConsumer(ctx context.Context, tag string, xqr *XQR) (*rmq.Consumer, error) {
	cli := client
	if tag != "default" {
		endpoints, err := genEndpoints(tag)
		if err != nil {
			return nil, err
		}
		cli, err = NewClient(ctx, endpoints)
		if err != nil {
			return nil, err
		}
	}

	return cli.conn.NewConsumer(ctx, xqr.QueueName, nil)
}

func Consuming(ctx context.Context, consumer *rmq.Consumer, msgChan chan<- []byte) {
	for {
		deliCtx, err := consumer.Receive(ctx)
		if errors.Is(err, context.Canceled) {
			// The consumer was closed correctly
			// TODO
			return
		}
		if err != nil {
			// An error occurred receiving the message
			// TODO
			return
		}

		for _, data := range deliCtx.Message().Data {
			msgChan <- data
		}

		err = deliCtx.Accept(ctx)
		if err != nil {
			// TODO
			return
		}
	}
}