pipeline {
  agent any

  environment {
    GIT_AUTHOR_NAME = 'Jenkins Bot'
    GIT_AUTHOR_EMAIL = 'jenkins@alidavid.hu'
  }

  stages {
    // =========================================================
    // ETAP 1: DEVELOP (Testy i Merge)
    // =========================================================
    stage('CI: Test & Merge (Develop)') {
      when {
        branch 'develop'
      }
      steps {
        script {
          echo '--- [DEVELOP] 1. Uruchamianie testów E2E ---'
          sh 'docker compose -f docker-compose.test.yml down -v || true'
          sh 'docker compose -f docker-compose.test.yml up --build --abort-on-container-exit --exit-code-from cypress'
        }
        sshagent(credentials: ['gitea-ssh-key']) {
          script {
            echo '--- [DEVELOP] 2. Testy OK. Scalanie do Main ---'
            sh "git config user.name '${GIT_AUTHOR_NAME}'"
            sh "git config user.email '${GIT_AUTHOR_EMAIL}'"
            sh 'git fetch origin main'
            sh 'git checkout main'
            sh 'git pull origin main'
            sh 'git merge origin/develop --no-ff -m "Release: Merge develop to main"'
            sh 'GIT_SSH_COMMAND="ssh -o StrictHostKeyChecking=no" git push origin main'
          }
        }
      }
      post {
        always {
          echo '--- [DEVELOP] Sprzątanie ---'
          sh 'docker compose -f docker-compose.test.yml down -v'
        }
      }
    }

    // =========================================================
    // ETAP 2: MAIN (Weryfikacja wersji i Publikacja w Dockerze)
    // =========================================================
    stage('CD: Publish to NPM (Main)') {
      when {
        branch 'main'
      }
      steps {
        withCredentials([string(credentialsId: 'npm-token', variable: 'NPM_TOKEN')]) {
          script {
            echo '--- [MAIN] Start procedury publikacji ---'

            def localVersion = sh(script: "grep '\"version\":' package.json | cut -d\\\" -f4", returnStdout: true).trim()
            echo "Lokalna wersja w package.json: ${localVersion}"

            echo '--- Przebudowywanie obrazu z aktualnym kodem ---'
            sh 'docker compose -f docker-compose.test.yml build app'

            def versionExists = false
            try {
              sh "docker compose -f docker-compose.test.yml run --rm -w /app/wc-timer app npm view wc-timer@${localVersion} version"
              versionExists = true
            } catch (err) {
              versionExists = false
            }

            if (versionExists) {
              echo "❌ BŁĄD: Wersja ${localVersion} jest już opublikowana w NPM!"
              error("Przerwano publikację: Wersja ${localVersion} już istnieje.")
            } else {
              echo "🚀 Wersja ${localVersion} jest nowa. Publikuję..."
              
              sh """
                docker compose -f docker-compose.test.yml run --rm \
                -w /app/wc-timer \
                -e NPM_TOKEN=${NPM_TOKEN} \
                app \
                sh -c "echo '//registry.npmjs.org/:_authToken=\${NPM_TOKEN}' > .npmrc && npm publish --access public"
              """
              
              echo "✅ SUKCES: Wersja ${localVersion} została opublikowana."
            }
          }
        }
      }
      post {
        always {
          echo '--- [MAIN] Sprzątanie ---'
          sh 'docker compose -f docker-compose.test.yml down -v'
        }
      }
    }
  }
}