// Изменено: 2026-04-09
// SendMessageV1 — добавляет сообщение в очередь тенанта.
// Ловушка #6: queueName извлекается как ПОСЛЕДНИЙ сегмент URL — при URL вида
// http://host/tenantID/queueName последний сегмент = queueName (правильно).
package gosqs

import (
"net/http"
"strings"
"time"

"github.com/google/uuid"

"shared-sqs/app/interfaces"
"shared-sqs/app/models"
"shared-sqs/app/utils"

log "github.com/sirupsen/logrus"

"github.com/gorilla/mux"
)

func SendMessageV1(req *http.Request) (int, interfaces.AbstractResponseBody) {
requestBody := models.NewSendMessageRequest()
ok := utils.REQUEST_TRANSFORMER(requestBody, req, false)
if !ok {
log.Error("Invalid Request - SendMessageV1")
return utils.CreateErrorResponseV1("InvalidParameterValue", true)
}

t := getTenantFromContext(req)
if t == nil {
return utils.CreateErrorResponseV1("InvalidClientTokenId", true)
}

messageBody := requestBody.MessageBody
messageGroupID := requestBody.MessageGroupId
messageDeduplicationID := requestBody.MessageDeduplicationId

queueUrl := getQueueFromPath(requestBody.QueueUrl, req.URL.String())
queueName := ""
if queueUrl == "" {
vars := mux.Vars(req)
queueName = vars["queueName"]
} else {
// Ловушка #6: берём последний сегмент — это queueName, не tenantID
uriSegments := strings.Split(queueUrl, "/")
queueName = uriSegments[len(uriSegments)-1]
}

key := tenantQueueKey(t.AccessKey, queueName)

if _, ok := models.SyncQueues.Queues[key]; !ok {
return utils.CreateErrorResponseV1("QueueNotFound", true)
}

if models.SyncQueues.Queues[key].MaximumMessageSize > 0 &&
len(messageBody) > models.SyncQueues.Queues[key].MaximumMessageSize {
return utils.CreateErrorResponseV1("MessageTooBig", true)
}

delaySecs := models.SyncQueues.Queues[key].DelaySeconds
if requestBody.DelaySeconds != 0 {
delaySecs = requestBody.DelaySeconds
}

log.Debugf("Putting Message in Queue: [%s] tenant: [%s]", queueName, t.ID)
msg := models.SqsMessage{MessageBody: messageBody}
if len(requestBody.MessageAttributes) > 0 {
msg.MessageAttributes = requestBody.MessageAttributes
msg.MD5OfMessageAttributes = utils.HashAttributes(requestBody.MessageAttributes)
}
msg.MD5OfMessageBody = utils.GetMD5Hash(messageBody)
msg.Uuid = uuid.NewString()
msg.GroupID = messageGroupID
msg.DeduplicationID = messageDeduplicationID
msg.SentTime = time.Now()
msg.DelaySecs = delaySecs

models.SyncQueues.Lock()
fifoSeqNumber := ""
if models.SyncQueues.Queues[key].IsFIFO {
fifoSeqNumber = models.SyncQueues.Queues[key].NextSequenceNumber(messageGroupID)
}

if !models.SyncQueues.Queues[key].IsDuplicate(messageDeduplicationID) {
models.SyncQueues.Queues[key].Messages = append(models.SyncQueues.Queues[key].Messages, msg)
} else {
log.Debugf("Duplicate message deduplicationId [%s] in queue [%s]", messageDeduplicationID, queueName)
}

models.SyncQueues.Queues[key].InitDuplicatation(messageDeduplicationID)
models.SyncQueues.Unlock()
log.Infof("%s: Queue: %s, Message: %s\n", time.Now().Format("2006-01-02 15:04:05"), queueName, msg.MessageBody)

respStruct := models.SendMessageResponse{
Xmlns: models.BaseXmlns,
Result: models.SendMessageResult{
MD5OfMessageAttributes: msg.MD5OfMessageAttributes,
MD5OfMessageBody:       msg.MD5OfMessageBody,
MessageId:              msg.Uuid,
SequenceNumber:         fifoSeqNumber,
},
Metadata: models.BaseResponseMetadata,
}

return http.StatusOK, respStruct
}