// Mirror of ci/Jenkinsfile.titan-iac for multibranch discovery.
pipeline {
  agent {
    kubernetes {
      defaultContainer 'python'
      yaml """
apiVersion: v1
kind: Pod
spec:
  nodeSelector:
    hardware: rpi5
    kubernetes.io/arch: arm64
    node-role.kubernetes.io/worker: "true"
  containers:
    - name: python
      image: python:3.12-slim
      command:
        - cat
      tty: true
"""
    }
  }
  environment {
    PIP_DISABLE_PIP_VERSION_CHECK = '1'
    PYTHONUNBUFFERED = '1'
  }
  stages {
    stage('Checkout') {
      steps {
        checkout scm
      }
    }
    stage('Install deps') {
      steps {
        sh 'pip install --no-cache-dir -r ci/requirements.txt'
      }
    }
    stage('Glue tests') {
      steps {
        sh 'pytest -q ci/tests/glue'
      }
    }
    stage('Resolve Flux branch') {
      steps {
        script {
          env.FLUX_BRANCH = sh(
            returnStdout: true,
            script: "awk '/branch:/{print $2; exit}' clusters/atlas/flux-system/gotk-sync.yaml"
          ).trim()
          if (!env.FLUX_BRANCH) {
            error('Flux branch not found in gotk-sync.yaml')
          }
          echo "Flux branch: ${env.FLUX_BRANCH}"
        }
      }
    }
    stage('Promote') {
      when {
        expression {
          def branch = env.BRANCH_NAME ?: (env.GIT_BRANCH ?: '').replaceFirst('origin/', '')
          return env.FLUX_BRANCH && branch == env.FLUX_BRANCH
        }
      }
      steps {
        withCredentials([usernamePassword(credentialsId: 'gitea-pat', usernameVariable: 'GIT_USER', passwordVariable: 'GIT_TOKEN')]) {
          sh '''
            set +x
            git config user.email "jenkins@bstein.dev"
            git config user.name "jenkins"
            git remote set-url origin https://${GIT_USER}:${GIT_TOKEN}@scm.bstein.dev/bstein/titan-iac.git
            git push origin HEAD:${FLUX_BRANCH}
          '''
        }
      }
    }
  }
}