pipeline {
  agent {
    kubernetes {
      defaultContainer 'builder'
      yaml """
apiVersion: v1
kind: Pod
spec:
  nodeSelector:
    kubernetes.io/arch: arm64
    node-role.kubernetes.io/worker: "true"
  containers:
    - name: dind
      image: docker:27-dind
      securityContext:
        privileged: true
      env:
        - name: DOCKER_TLS_CERTDIR
          value: ""
      args:
        - "--mtu=1400"
        - "--host=unix:///var/run/docker.sock"
        - "--host=tcp://0.0.0.0:2375"
      volumeMounts:
        - name: dind-storage
          mountPath: /var/lib/docker
        - name: workspace-volume
          mountPath: /home/jenkins/agent
    - name: builder
      image: docker:27
      command:
        - cat
      tty: true
      env:
        - name: DOCKER_HOST
          value: tcp://localhost:2375
        - name: DOCKER_TLS_CERTDIR
          value: ""
      volumeMounts:
        - name: workspace-volume
          mountPath: /home/jenkins/agent
        - name: docker-config-writable
          mountPath: /root/.docker
        - name: harbor-config
          mountPath: /docker-config
    - name: tester
      image: golang:1.25-bookworm
      command:
        - cat
      tty: true
      volumeMounts:
        - name: workspace-volume
          mountPath: /home/jenkins/agent
  volumes:
    - name: docker-config-writable
      emptyDir: {}
    - name: dind-storage
      emptyDir: {}
    - name: harbor-config
      secret:
        secretName: harbor-robot-pipeline
        items:
          - key: .dockerconfigjson
            path: config.json
    - name: workspace-volume
      emptyDir: {}
"""
    }
  }
  environment {
    SUITE_NAME = 'soteria'
    PUSHGATEWAY_URL = 'http://platform-quality-gateway.monitoring.svc.cluster.local:9091'
  }
  options {
    disableConcurrentBuilds()
  }
  parameters {
    booleanParam(
      name: 'PUBLISH_IMAGES',
      defaultValue: false,
      description: 'Build and push the Soteria runtime image (enable for release runs).'
    )
  }
  triggers {
    pollSCM('H/5 * * * *')
  }
  stages {
    stage('Checkout') {
      steps {
        checkout scm
      }
    }
    stage('Prep toolchain') {
      steps {
        container('builder') {
          sh '''
            set -eu
            apk add --no-cache bash git jq curl
            mkdir -p /root/.docker
            cp /docker-config/config.json /root/.docker/config.json
          '''
        }
      }
    }
    stage('Unit tests') {
      steps {
        container('tester') {
          sh '''
            set -eu
            apt-get update >/dev/null
            apt-get install -y --no-install-recommends jq >/dev/null
            mkdir -p build
            set +e
            go test -json ./... > build/go-test.json
            test_rc=$?
            set -e
            tests_total="$(jq -s '[.[] | select(.Test != null and (.Action=="pass" or .Action=="fail" or .Action=="skip"))] | length' build/go-test.json)"
            tests_failed="$(jq -s '[.[] | select(.Test != null and .Action=="fail")] | length' build/go-test.json)"
            tests_skipped="$(jq -s '[.[] | select(.Test != null and .Action=="skip")] | length' build/go-test.json)"
            tests_errors="$(jq -s '[.[] | select(.Test == null and .Action=="fail")] | length' build/go-test.json)"
            tests_passed=$((tests_total - tests_failed - tests_skipped))
            if [ "${tests_passed}" -lt 0 ]; then
              tests_passed=0
            fi
            cat > build/test-summary.json <<EOF
            {
              "tests": ${tests_total},
              "passed": ${tests_passed},
              "failed": ${tests_failed},
              "errors": ${tests_errors},
              "skipped": ${tests_skipped}
            }
EOF
            printf '%s\n' "${test_rc}" > build/test.exitcode
          '''
        }
      }
    }
    stage('Publish test metrics') {
      steps {
        container('tester') {
          sh '''
            set -eu
            apt-get update >/dev/null
            apt-get install -y --no-install-recommends curl jq >/dev/null
            suite="${SUITE_NAME}"
            gateway="${PUSHGATEWAY_URL}"
            test_rc="$(cat build/test.exitcode 2>/dev/null || echo 1)"
            status="ok"
            if [ "${test_rc}" -ne 0 ]; then
              status="failed"
            fi
            fetch_counter() {
              status_name="$1"
              line="$(curl -fsS "${gateway}/metrics" 2>/dev/null | awk -v suite="${suite}" -v status="${status_name}" '
                /platform_quality_gate_runs_total/ {
                  if (index($0, "job=\\"platform-quality-ci\\"") && index($0, "suite=\\"" suite "\\"") && index($0, "status=\\"" status "\\"")) {
                    print $2
                    exit
                  }
                }
              ' || true)"
              [ -n "${line}" ] && printf '%s\n' "${line}" || printf '0\n'
            }
            ok_count="$(fetch_counter ok)"
            failed_count="$(fetch_counter failed)"
            if [ "${status}" = "ok" ]; then
              ok_count=$((ok_count + 1))
            else
              failed_count=$((failed_count + 1))
            fi
            tests_passed="$(jq -r '.passed // 0' build/test-summary.json 2>/dev/null || echo 0)"
            tests_failed="$(jq -r '.failed // 0' build/test-summary.json 2>/dev/null || echo 0)"
            tests_errors="$(jq -r '.errors // 0' build/test-summary.json 2>/dev/null || echo 0)"
            tests_skipped="$(jq -r '.skipped // 0' build/test-summary.json 2>/dev/null || echo 0)"
            cat <<METRICS | curl -fsS --data-binary @- "${gateway}/metrics/job/platform-quality-ci/suite/${suite}" >/dev/null
# TYPE platform_quality_gate_runs_total counter
platform_quality_gate_runs_total{suite="${suite}",status="ok"} ${ok_count}
platform_quality_gate_runs_total{suite="${suite}",status="failed"} ${failed_count}
# TYPE soteria_quality_gate_tests_total gauge
soteria_quality_gate_tests_total{suite="${suite}",result="passed"} ${tests_passed}
soteria_quality_gate_tests_total{suite="${suite}",result="failed"} ${tests_failed}
soteria_quality_gate_tests_total{suite="${suite}",result="error"} ${tests_errors}
soteria_quality_gate_tests_total{suite="${suite}",result="skipped"} ${tests_skipped}
METRICS
          '''
        }
      }
    }
    stage('Enforce test result') {
      steps {
        container('tester') {
          sh '''
            set -eu
            test_rc="$(cat build/test.exitcode 2>/dev/null || echo 1)"
            exit "${test_rc}"
          '''
        }
      }
    }
    stage('Compute version') {
      when {
        expression { return params.PUBLISH_IMAGES }
      }
      steps {
        container('builder') {
          script {
            sh 'git config --global --add safe.directory /home/jenkins/agent/workspace/Soteria'
            def semver = sh(returnStdout: true, script: 'git describe --tags --exact-match || true').trim()
            if (!semver) {
              semver = sh(returnStdout: true, script: 'git rev-list --count HEAD').trim()
              semver = "0.1.0-${semver}"
            }
            sh "echo SEMVER=${semver} > build.env"
          }
        }
      }
    }
    stage('Buildx setup') {
      when {
        expression { return params.PUBLISH_IMAGES }
      }
      steps {
        container('builder') {
          sh '''
            set -eu
            seq 1 10 | while read _; do
              docker info && break || sleep 2
            done
            BUILDER_NAME="soteria-${BUILD_NUMBER}"
            docker buildx rm "${BUILDER_NAME}" >/dev/null 2>&1 || true
            docker buildx create --name "${BUILDER_NAME}" --driver docker-container --bootstrap --use
          '''
        }
      }
    }
    stage('Build & push image') {
      when {
        expression { return params.PUBLISH_IMAGES }
      }
      steps {
        container('builder') {
          withCredentials([usernamePassword(credentialsId: 'harbor-robot', usernameVariable: 'HARBOR_USERNAME', passwordVariable: 'HARBOR_PASSWORD')]) {
            sh '''
              set -eu
              VERSION_TAG=$(cut -d= -f2 build.env)
              printf '%s' "${HARBOR_PASSWORD}" | docker login registry.bstein.dev -u "${HARBOR_USERNAME}" --password-stdin
              docker buildx build --platform linux/arm64 \
                --provenance=false \
                --tag registry.bstein.dev/bstein/soteria:${VERSION_TAG} \
                --tag registry.bstein.dev/bstein/soteria:latest \
                --push .
            '''
          }
        }
      }
    }
  }
  post {
    always {
      script {
        if (fileExists('build.env')) {
          def env = readProperties file: 'build.env'
          echo "Build complete for ${env.SEMVER}"
        }
      }
      archiveArtifacts artifacts: 'build/*', allowEmptyArchive: true
    }
  }
}