// Copyright 2019 Google LLC
//
// Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://llvm.org/LICENSE.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

def success = true
def failure_message = ""

pipeline {
    agent { label 'linux' }
    parameters {
        string(name: 'DIFF_ID')
        string(name: 'PHID')
        string(name: 'REV_ID')
    }
    environment {
            CONDUIT_TOKEN = credentials('phabricator-conduit-token')
            PHABRICATOR_HOST = 'https://reviews.llvm.org'
            LLVM_DIR = "${WORKSPACE}/llvm-project"
            SCRIPT_DIR = "${WORKSPACE}/llvm-premerge-checks/scripts"
            RESULT_DIR = "${WORKSPACE}/results"
            PHAB_LOG = "${RESULT_DIR}/.phabricator-comment"
            MY_BUILD_ID = "${JOB_BASE_NAME}-${BUILD_NUMBER}"
            TARGET_DIR = "/mnt/nfs/results/${MY_BUILD_ID}"
            RESULT_URL = "http://results.llvm-merge-guard.org/${MY_BUILD_ID}"
    }
    stages {
        stage("build info"){
            steps {
                echo "Building diff ${DIFF_ID} with PHID ${PHID} for Revision ${REV_ID}"
                script {
                    currentBuild.displayName += " D${REV_ID}"
                    currentBuild.description = "<a href='https://reviews.llvm.org/D${REV_ID}'>D${REV_ID}</a>"
                }
            }
        }
        stage("git checkout"){
            steps {
                dir("${LLVM_DIR}"){
                  git url: 'git@github.com:llvm-premerge-tests/llvm-project.git'
                }
                dir("llvm-premerge-checks")
                {
                    git url: 'https://github.com/google/llvm-premerge-checks.git'
                }
                sh """
                  rm -rf ${RESULT_DIR}
                  mkdir -p ${RESULT_DIR}
                  """
            }
        }
        stage('arc patch'){
            steps {
                dir("${LLVM_DIR}"){
                  sh """
                    ${SCRIPT_DIR}/phabtalk/apply_patch2.py ${DIFF_ID} \
                      --token ${CONDUIT_TOKEN} \
                      --url ${PHABRICATOR_HOST} \
                      --comment-file ${PHAB_LOG} \
                      --push-branch
                  """
                 }
            }
        }
    }
    post {
        always {
            dir("${RESULT_DIR}") {
                // copy console log to result folder
                sh "wget -qO console-log.txt http://jenkins-ui.jenkins.svc.cluster.local:8080/job/${JOB_BASE_NAME}/${BUILD_NUMBER}/consoleText"
                sh "mkdir ${TARGET_DIR}"
                sh "cp * ${TARGET_DIR}"
            }

            sh """${SCRIPT_DIR}/phabtalk/phabtalk.py "${PHID}" "${DIFF_ID}" \
                --workspace "${LLVM_DIR}" \
                --conduit-token "${CONDUIT_TOKEN}" \
                --host "${PHABRICATOR_HOST}/api/" \
                --buildresult ${currentBuild.result} \
                --results-dir "${TARGET_DIR}" \
                --results-url "${RESULT_URL}" \
                --failures "Applying patch failed" \
                --name "apply patch"
                """
        }
    }
}