npm install -g anypoint-cli@latest # Installing Anypoint CLI 3.x

mkdir ~/.anypoint #New Directory
tmpPOMfile=$(mktemp /tmp/tempPOM.XXXXXX) # Create temporary file and storing the reference in a variable
tmpJsonInstancesfile=$(mktemp /tmp/tempInstances.XXXXXX) # Create temporary file and storing the reference in a variable

cp $AGENT_TEMPDIRECTORY/credentials ~/.anypoint/ # Storing the "Credentials" file inside the .anypoint directory

export ANYPOINT_ENV="$(ENV)" # Setting the Environment for the current application

unzip -q -c -a "$(Release.PrimaryArtifactSourceAlias)/$(ARTIFACT_NAME)/target/*.jar" **/pom.xml > "$tmpPOMfile" # Unzip the artifact to store the POM file in a temporary file

assetId=$(xmllint --xpath '/*[local-name()="project"]/*[local-name()="dependencies"]/*[local-name()="dependency"][*[local-name()="classifier"]="raml"]/*[local-name()="artifactId"]/text()' "$tmpPOMfile") # Extracting the RAML Asset ID from the Artifact POM using xmllint
echo "AssetID: ${assetId}"
assetVersion=$(xmllint --xpath '/*[local-name()="project"]/*[local-name()="dependencies"]/*[local-name()="dependency"][*[local-name()="classifier"]="raml"]/*[local-name()="version"]/text()' "$tmpPOMfile") # Extracting the RAML Asset Version from the Artifact POM using xmllint
echo "AssetVersion: ${assetVersion}"

anypoint-cli api-mgr api list -o json > "$tmpJsonInstancesfile" # Retrieve the API instances for the specific environment in json and storing them in a temporary file

instanceId=$(jq --arg assetId "$assetId" '[.[] | select(."Asset ID"==$assetId)][0] | ."Instance ID"' "$tmpJsonInstancesfile") # Compare the AssetID from the Artifact and the API instances. If match is found the variable instanceId will store the matching API Manager Instance ID
echo "InstanceID: ${instanceId}"


export filename="$(Release.PrimaryArtifactSourceAlias)/$(ARTIFACT_NAME)/target/*.jar" # Storing the Artifact in variable

if [ "$instanceId" = "null" ] || [ "$instanceId" = "" ] # Check if instanceId is null or empty. It will be TRUE only if no matching API instance was found.
then
    echo "No instance avalible for the current Asset. Creating one"
    apiManageRes=$(anypoint-cli api-mgr api manage "$assetId" "$assetVersion" --type raml -m) # Create API Instance with the RAML AssetID and Version and store the response in a variable
    apiID=$(echo -n $apiManageRes | tail -c 8) # Cut Anypoint reponse to only the API ID and store the response in a variable
    echo "$apiID"
    anypoint-cli runtime-mgr cloudhub-application deploy --runtime "$(RUNTIME)" --workers "$(WORKERS)" --workerSize "$(WORKER_SIZE)" --region "$(REGION)" --property "env:$(ENV)" --property "api.id:$apiID" --property "anypoint.platform.client_id:$(CLIENT-ID)" --property "anypoint.platform.client_secret:$(CLIENT-SECRET)" $(APP_NAME) $filename # Deploy the Artifact on CloudHub with the specifications provided in the Release Variables + Link the API Instance. 
else
    echo "The instance for specific application is present. updating the application"
    anypoint-cli api-mgr api change-specification "$instanceId" "$assetVersion" # Update API Instance version with the Artifact RAML version 
    anypoint-cli runtime-mgr cloudhub-application modify --runtime "$(RUNTIME)" --workers "$(WORKERS)" --workerSize "$(WORKER_SIZE)" --region "$(REGION)" $(APP_NAME) $filename # Redeploy the Artifact on CloudHub with the specifications provided in the Release Variable
fi
rm "$tmpPOMfile" #remove temporary file
rm "$tmpJsonInstancesfile" #remove temporary file