import java.util.regex.Pattern


def SETTINGS = "/var/jenkins_home/tools/apache-maven-3.6.0/settings.xml"
def ENCODE = "ISO-8859-1"
def MODULO = "adm"
def TAG_SELECTOR = "UNINTIALIZED"

//======================================================================================================
def build(SETTINGS, ENCODE, jdk) {
   if (jdk == 'JDK8.202') {
      withEnv(["JAVA_HOME=/var/jenkins_home/tools/hudson.model.JDK/JDK8.202"]) {
         sh "mvn -B -f pom.xml -s ${SETTINGS} clean deploy -DskipTests -Dfile.encoding=${ENCODE} -Dproject.build.sourceEncoding=${ENCODE}"
      }
   } else {
      sh "mvn -B -f pom.xml -s ${SETTINGS} clean deploy -DskipTests -Dfile.encoding=${ENCODE} -Dproject.build.sourceEncoding=${ENCODE}"
   }
}

//======================================================================================================
def gitCheckout(branch_name, url_name) {
   if (branch_name == null || branch_name.isEmpty()) {
      branch_name = "master"
   }

   SCM = checkout([
           $class: 'GitSCM',
           branches: [[name: "*/${branch_name}"]],
           doGenerateSubmoduleConfigurations: false,
           extensions: [[$class: 'AuthorInChangelog']],
           submoduleCfg: [],
           userRemoteConfigs: [[credentialsId: 'admin-gitea', url: url_name]]
         ])
}

//======================================================================================================
def geraVersao() {
   TAG_SELECTOR = readMavenPom file: 'pom.xml'
   VERSAO = TAG_SELECTOR.getVersion()
   VERSAO_TEXTO = "Versao: ${VERSAO}@${env.BUILD_TIMESTAMP_VERSAO}#${env.BUILD_NUMBER}"

   println(VERSAO_TEXTO)
 //  writeFile file: "src/java/versionADM.info", text: VERSAO_TEXTO
}

//======================================================================================================
@NonCPS
def verificaTicket(mensagem) {
   def M = mensagem =~ /#\D{2}-\d{4}/
   if(M){
      return M[0].substring(1)
   }
}

//======================================================================================================
@NonCPS
String getChangedFilesList() {
   changedFiles = ""
   for (changeLogSet in currentBuild.changeSets) {
      for (entry in changeLogSet.getItems()) {
         for (file in entry.getAffectedFiles()) {
            changedFiles += "${file.editType.name} - ${file.path}\n"
         }
      }
   }
   return changedFiles
}

//======================================================================================================
@NonCPS
String getChangedLog() {
   changedLog = ""
   for (changeLogSet in currentBuild.changeSets) {
      for (entries in changeLogSet.getItems()) {
         for (entry in entries) {
            changedLog += "*Commit: ${entry.commitId}\n"
            changedLog += "Message: ${entry.msg}\n"
	    for (file in entry.getAffectedFiles()) {
	       changedLog += "${file.editType.name} - ${file.path}\n"
	    }
    	    changedLog += "Author: ${entry.author} \n"
         }
      }
   }
   return changedLog
}

//Valida formato do arquivo de migracao
def validateFlywayMigrations() {
   def migrationExclusions = [/* Adiocine aqui algum nome de arquivo que nao ira entrar na regra abaixo */]
   sh "ls src/main/resources/db/migration/ > listsqlFiles"
   def fileList = readFile( "listsqlFiles" ).split( "\\r?\\n" ); 
   //def fileList = "ls src/main/resources/db/migration".execute()
   def migrationPattern = "^V\\d{4}\\d{2}\\d{2}_\\d+__[A-Z_]+-\\d+\\.sql"
   def datePattern = Pattern.compile("\\d{4}\\d{2}\\d{2}")
   

    //doLast {
        for (def file in fileList) {
            final String migrationName = file.getName()
            if (!file.isFile() || migrationExclusions.contains(migrationName)) {
                continue
            }
            if (!migrationName.matches(migrationPattern)) {
                throw new Exception("Migracao '$migrationName' nao esta no padrao pattern '$migrationPattern'")
            }
            def matcher = datePattern.matcher(migrationName)
            if (matcher.find()) {
                def date = matcher.group()
                try {
                    LocalDate.parse(date, DateTimeFormatter.ofPattern("yyyyMMdd"))
                } catch (Exception e) {
                    throw new Exception(
                            "Migracao '$migrationName' tem valor de data invalido. Nao esta compativel com o padrao'yyyyMMdd'",
                            e
                    )
                }
            } else {
                throw new Exception("Migracao '$migrationName' nao te o padrao '$datePattern'")
            }
        }
    //}
}

//compileJava.dependsOn validateFlywayMigrations

//======================================================================================================
pipeline {
   agent any
   tools {
      maven 'mvn_3.6.0'
      jdk 'JDK8.202'
      //  jdk 'OpenJDK17'
   }
   stages {
      stage('Info') {
         steps {
            sh '''
            echo "PATH = ${PATH}"
            echo "M2_HOME = ${M2_HOME}"
            echo "DOCKER_HOST = ${DOCKER_HOST}"
            '''
            echo "VERSÃO: #${env.BUILD_TIMESTAMP_VERSAO}#${env.BUILD_NUMBER}"

         }
      }

      stage('Checkout Git') {
         steps {

            cleanWs()

            script {
               try {
                  gitCheckout('master', 'http://18.235.188.113:3000/utilidades/flyway.git')
               } catch (err) {
                  echo err.getMessage()
               }
            }
         }
      }

      stage('Build') {
         steps {
            script {
               validateFlywayMigrations()
               if( getChangedFilesList()) {
                  if(getChangedFilesList().contains(".sql")){
                     echo 'TODO: Implementar modulo_flyway do git'
                     parallel (                 
                        "Flyway" : {
                           b1 = build(job: "modulo_flyway", parameters: [
                           [$class: 'StringParameterValue', name: 'CALL', value: "ES_J2_${env.BUILD_TIMESTAMP_VERSAO}#${env.BUILD_NUMBER}"],
                           [$class: 'StringParameterValue', name: 'MODULO_MASTER', value: "${MODULO}"],
                           [$class: 'StringParameterValue', name: 'BUILD_MASTER', value: "${env.BUILD_NUMBER}"]], propagate: false).result

                           if(b1 == 'FAILURE' || b1 == 'UNSTABLE') {
                              echo "Flyway job failed"
//                              currentBuild.result = 'UNSTABLE'
                           }
                        }
                     )
                  }
		  geraVersao()
                  build(SETTINGS, ENCODE, 'JDK8.202')
               }else{
                  echo 'Não foram encontradas mudanças desde o ultimo build'
                  currentBuild.result = 'SUCCESS'
               }
            }
         }
      }

      stage('Test') {
         steps {
            script {
               echo "Em construção"
            }
         }
      }
   }

   post {
      success {
         script {
            if( getChangedFilesList()) {
               //gravando e publicando as mudanças
               def publisher = LastChanges.getLastChangesPublisher "PREVIOUS_REVISION", "LINE", "LINE", true, true, "", "", "", "", ""
               publisher.publishLastChanges()
               def changes = publisher.getLastChanges()

               def textoJira = "Alterações no projeto Flyway:\n"
	       def textoTag = "TAG: **${VERSAO_TEXTO}** \n"

               def changedLog = getChangedLog()
               def TICKET = verificaTicket(changedLog)

               textoJira += "${getChangedFilesList()}"

               for (commit in changes.getCommits()) {
                  def commitInfo = commit.getCommitInfo()
		  textoJira += "${commitInfo}\n\n"

                  textoTag += "- Commit: ${commitInfo.commitId} \n"+
		              "- Autor: ${commitInfo.committerEmail} \n"+
		              "- Data: ${commitInfo.commitDate} \n"+
		              "- Message: ${commitInfo.commitMessage} \n\n"
	       }


               //geração automatica de versão
	       try {
                 def giteaversion = httpRequest contentType: 'APPLICATION_JSON', httpMode: 'POST', requestBody: '''{
		         "body": "'''+textoTag+'''",
			 "draft": false,
			 "name": "'''+VERSAO+'''",
			 "prerelease": false,
			 "tag_name": "'''+VERSAO+'''",
			 "target_commitish": "master"
		       }''', responseHandle: 'NONE', url: 'http://18.235.188.113:3000/api/v1/repos/utilidades/Flyway/releases?access_token=6231bd083b69e47f5ad34329891ed6b3128a154e', wrapAsMultipart: false
               } catch (err) {
                  echo err.getMessage()
               }

               //integrando ao jira
               if( TICKET ){                  
	          jiraComment body: textoJira, issueKey: TICKET
	       } else {
	          echo 'Ticket não encontrado'
               }

            }
         }
      }
   }
}