// Pipeline d'exécution d'un audit Lighthouse
def call() {
    pipeline {

        agent {
            label 'docker'
        }

        parameters {
            string(
                name: 'url', 
                description: 'URL cible pour l\'audit'
            )
            string(
                name: 'auditTimeout', 
                description: "Délai maximum pour la réalisation de l'audit (en minutes)",
                defaultValue: '60'
            )
        }

        stages {

            stage("Check parameters") {
                steps {
                    script {
                        if (!params.url?.trim()) {
                            error("L'URL cible n'est pas définie !")
                        }
                    }
                }
            }

            stage("Run Lighthouse audit") {
                steps {
                    script {
                        def lighthouseImage = buildDockerImage()
                        def dockerArgs = """
                        -e LIGHTHOUSE_URL='${params.url}'
                        """
                        timeout(params.auditTimeout.toInteger()) {
                            lighthouseImage.inside(dockerArgs) {
                                sh 'chown -R lighthouse: ./'
                                sh 'su lighthouse - /usr/local/bin/run-audit'
                            }
                        }
                    }
                }
            }

        }

        post {
            always {
                publishHTML target: [
                    allowMissing: true,
                    alwaysLinkToLastBuild: false,
                    keepAll: true,
                    reportDir: 'reports',
                    reportFiles: '*.report.html',
                    reportName: "Rapports d'audit"
                ]
                cleanWs()
            }
            success {
                wrap([$class: 'BuildUser']) {
                    rocketSend (
                        avatar: 'https://jenkins.cadol.es/static/b5f67753/images/headshot.png',
                        message: """
                        L'audit Lighthouse pour `${params.url}` est terminé:
                        
                        - [Voir le rapport](${env.BUILD_URL}Rapports_20d_27audit/lighthouse.report.html)
                        
                        [Lancer un nouvel audit](${env.BUILD_URL}../build)

                        @${env.BUILD_USER_ID ? env.BUILD_USER_ID : 'here'}
                        """.stripIndent(),
                        rawMessage: true
                    )
                }
            }
            failure {
                wrap([$class: 'BuildUser']) {
                    rocketSend (
                        avatar: 'https://jenkins.cadol.es/static/b5f67753/images/headshot.png',
                        message: """
                        L'audit Lighthouse pour `${params.url}` a échoué:
                        
                        [Voir le job](${env.RUN_DISPLAY_URL})
                        
                        @${env.BUILD_USER_ID ? env.BUILD_USER_ID : 'here'}
                        """.stripIndent(),
                        rawMessage: true
                    )
                }
            }
        }

    }
}

def buildDockerImage() {
    dir ('.lighthouse') {
        def resourceFiles = [
            'com/cadoles/lighthouse/Dockerfile',
            'com/cadoles/lighthouse/config.js.tmpl',
            'com/cadoles/lighthouse/run-audit.sh'
        ];

        for (res in resourceFiles) {
            def fileContent = libraryResource res
            def fileName = res.substring(res.lastIndexOf("/")+1)
            writeFile file:fileName, text:fileContent
        }
        
        def safeJobName = URLDecoder.decode(env.JOB_NAME).toLowerCase().replace('/', '-').replace(' ', '-')
        def imageTag = "${safeJobName}-${env.BUILD_ID}"
        return docker.build("lighthouse:${imageTag}", ".")
    }
}