pipeline {
  agent none

  options {
    timestamps()
  }

  environment {
    NODE_OPTIONS = '--max_old_space_size=2048'
  }

  stages {

    stage('Init') {
      agent any
      steps {
        script {
          env.COMMIT_AUTHOR = sh(
            script: "git show -s --format=%an HEAD",
            returnStdout: true
          ).trim()

          env.COMMIT_SHORT = sh(
            script: "git rev-parse --short HEAD",
            returnStdout: true
          ).trim()
        }

        echo "CI build for commit ${env.COMMIT_SHORT} by ${env.COMMIT_AUTHOR}"
      }
    }

    /* =========================
       BACKEND CI
       ========================= */

    stage('Backend: lint & test') {
      agent {
        docker {
          image 'python:3.11-slim'
          args '-u root'
        }
      }
      steps {
        dir('backend') {
          sh '''
            set -e
            python -m venv .venv
            . .venv/bin/activate
            pip install --upgrade pip
            pip install -r requirements-dev.txt
            ruff check app tests
            pytest
          '''
        }
      }
    }

    /* =========================
       FRONTEND CI
       ========================= */

    stage('Frontend: check & build') {
      agent {
        docker {
          image 'node:20-slim'
        }
      }
      steps {
        dir('frontend') {
          sh '''
            set -e
            npm install --no-progress --no-audit --prefer-offline
            npm run check
            npm run build
          '''
        }
      }
    }

    stage('Cleanup') {
        agent any
        steps {
            cleanWs()
        }
    }
  }
}