/**
 * Gerrit gating pipeline
 * CREDENTIALS_ID - Gerrit credentails ID
 * JOBS_NAMESPACE - Gerrit gating jobs namespace (mk, contrail, ...)
 *
**/

def common = new com.mirantis.mk.Common()
def gerrit = new com.mirantis.mk.Gerrit()
def ssh = new com.mirantis.mk.Ssh()
timeout(time: 12, unit: 'HOURS') {
  node("python") {
    try{
      // test if change is not already merged
      ssh.prepareSshAgentKey(CREDENTIALS_ID)
      ssh.ensureKnownHosts(GERRIT_HOST)
      def gerritChange = gerrit.getGerritChange(GERRIT_NAME, GERRIT_HOST, GERRIT_CHANGE_NUMBER, CREDENTIALS_ID, true)
      def doSubmit = false
      def giveVerify = false
      stage("test") {
        if (gerritChange.status != "MERGED" && !SKIP_TEST.equals("true")){
          // test max CodeReview
          if(gerrit.patchsetHasApproval(gerritChange.currentPatchSet,"Code-Review", "+")){
            doSubmit = true
            def gerritProjectArray = GERRIT_PROJECT.tokenize("/")
            def gerritProject = gerritProjectArray[gerritProjectArray.size() - 1]
            def jobsNamespace = JOBS_NAMESPACE
            def plural_namespaces = ['salt-formulas', 'salt-models']
            // remove plural s on the end of job namespace
            if (JOBS_NAMESPACE in plural_namespaces){
              jobsNamespace = JOBS_NAMESPACE.substring(0, JOBS_NAMESPACE.length() - 1)
            }
            // salt-formulas tests have -latest on end of the name
            if(JOBS_NAMESPACE.equals("salt-formulas")){
              gerritProject=gerritProject+"-latest"
            }
            def testJob = String.format("test-%s-%s", jobsNamespace, gerritProject)
            if (_jobExists(testJob)) {
              common.infoMsg("Test job ${testJob} found, running")
              def patchsetVerified =  gerrit.patchsetHasApproval(gerritChange.currentPatchSet,"Verified", "+")
              build job: testJob, parameters: [
                [$class: 'StringParameterValue', name: 'DEFAULT_GIT_URL', value: "${GERRIT_SCHEME}://${GERRIT_NAME}@${GERRIT_HOST}:${GERRIT_PORT}/${GERRIT_PROJECT}"],
                [$class: 'StringParameterValue', name: 'DEFAULT_GIT_REF', value: GERRIT_REFSPEC]
              ]
              giveVerify = true
            } else {
              common.infoMsg("Test job ${testJob} not found")
            }
          } else {
            common.errorMsg("Change don't have a CodeReview, skipping gate")
          }
        } else {
          common.infoMsg("Test job skipped")
        }
      }
      stage("submit review"){
        if(gerritChange.status == "MERGED"){
          common.successMsg("Change ${GERRIT_CHANGE_NUMBER} is already merged, no need to gate them")
        }else if(doSubmit){
          if(giveVerify){
            common.warningMsg("Change ${GERRIT_CHANGE_NUMBER} don't have a Verified, but tests were successful, so adding Verified and submitting")
            ssh.agentSh(String.format("ssh -p 29418 %s@%s gerrit review --verified +1 --submit %s,%s", GERRIT_NAME, GERRIT_HOST, GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
          }else{
            ssh.agentSh(String.format("ssh -p 29418 %s@%s gerrit review --submit %s,%s", GERRIT_NAME, GERRIT_HOST, GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
          }
          common.infoMsg(String.format("Gerrit review %s,%s submitted", GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER))
        }
      }
    } catch (Throwable e) {
       // If there was an error or exception thrown, the build failed
       currentBuild.result = "FAILURE"
       currentBuild.description = currentBuild.description ? e.message + " " + currentBuild.description : e.message
       throw e
    }
  }
}

@NonCPS
def _jobExists(jobName){
  return Jenkins.instance.items.find{it -> it.name.equals(jobName)}
}