// 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'
    SUITE_NAME = 'titan_iac'
    PUSHGATEWAY_URL = 'http://platform-quality-gateway.monitoring.svc.cluster.local:9091'
    QUALITY_GATE_SONARQUBE_ENFORCE = '1'
    QUALITY_GATE_SONARQUBE_REPORT = 'build/sonarqube-quality-gate.json'
    QUALITY_GATE_IRONBANK_ENFORCE = '1'
    QUALITY_GATE_IRONBANK_REQUIRED = '0'
    QUALITY_GATE_IRONBANK_REPORT = 'build/ironbank-compliance.json'
  }
  stages {
    stage('Checkout') {
      steps {
        checkout scm
      }
    }
    stage('Install deps') {
      steps {
        sh 'pip install --no-cache-dir -r ci/requirements.txt'
      }
    }
    stage('Collect SonarQube evidence') {
      steps {
        sh '''
          set -eu
          mkdir -p build
          python3 - <<'PY'
import base64
import json
import os
import urllib.parse
import urllib.request

host = os.getenv('SONARQUBE_HOST_URL', '').strip().rstrip('/')
project_key = os.getenv('SONARQUBE_PROJECT_KEY', '').strip()
token = os.getenv('SONARQUBE_TOKEN', '').strip()
report_path = os.getenv('QUALITY_GATE_SONARQUBE_REPORT', 'build/sonarqube-quality-gate.json')

payload = {
    "status": "ERROR",
    "note": "missing SONARQUBE_HOST_URL and/or SONARQUBE_PROJECT_KEY",
}
if host and project_key:
    query = urllib.parse.urlencode({"projectKey": project_key})
    request = urllib.request.Request(
        f"{host}/api/qualitygates/project_status?{query}",
        method="GET",
    )
    if token:
        encoded = base64.b64encode(f"{token}:".encode("utf-8")).decode("utf-8")
        request.add_header("Authorization", f"Basic {encoded}")
    try:
        with urllib.request.urlopen(request, timeout=12) as response:
            payload = json.loads(response.read().decode("utf-8"))
    except Exception as exc:  # noqa: BLE001
        payload = {"status": "ERROR", "error": str(exc)}

with open(report_path, "w", encoding="utf-8") as handle:
    json.dump(payload, handle, indent=2, sort_keys=True)
    handle.write("\\n")
PY
        '''
      }
    }
    stage('Collect IronBank evidence') {
      steps {
        sh '''
          set -eu
          mkdir -p build
          python3 - <<'PY'
import json
import os
from pathlib import Path

report_path = Path(os.getenv('QUALITY_GATE_IRONBANK_REPORT', 'build/ironbank-compliance.json'))
if report_path.exists():
    raise SystemExit(0)

status = os.getenv('IRONBANK_COMPLIANCE_STATUS', '').strip()
compliant = os.getenv('IRONBANK_COMPLIANT', '').strip().lower()
payload = {
    "status": status or "unknown",
    "compliant": compliant in {"1", "true", "yes", "on"} if compliant else None,
}
payload = {k: v for k, v in payload.items() if v is not None}
if "status" not in payload:
    payload["status"] = "unknown"
payload["note"] = (
    "Set IRONBANK_COMPLIANCE_STATUS/IRONBANK_COMPLIANT "
    "or write build/ironbank-compliance.json in image-building repos."
)

report_path.parent.mkdir(parents=True, exist_ok=True)
report_path.write_text(json.dumps(payload, indent=2, sort_keys=True) + "\\n", encoding="utf-8")
PY
        '''
      }
    }
    stage('Run quality gate') {
      steps {
        sh '''
          set -eu
          mkdir -p build
          set +e
          python3 -m testing.quality_gate --profile jenkins --build-dir build
          quality_gate_rc=$?
          set -e
          printf '%s\n' "${quality_gate_rc}" > build/quality-gate.rc
        '''
      }
    }
    stage('Publish test metrics') {
      steps {
        sh '''
          set -eu
          export JUNIT_GLOB='build/junit-*.xml'
          export QUALITY_GATE_EXIT_CODE_PATH='build/quality-gate.rc'
          export QUALITY_GATE_SUMMARY_PATH='build/quality-gate-summary.json'
          python3 ci/scripts/publish_test_metrics.py
        '''
      }
    }
    stage('Enforce quality gate') {
      steps {
        sh '''
          set -eu
          test "$(cat build/quality-gate.rc 2>/dev/null || echo 1)" -eq 0
        '''
      }
    }
    stage('Resolve Flux branch') {
      steps {
        script {
          env.FLUX_BRANCH = sh(
            returnStdout: true,
            script: "grep -m1 '^\\s*branch:' clusters/atlas/flux-system/gotk-sync.yaml | sed 's/^\\s*branch:\\s*//'"
          ).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}
          '''
        }
      }
    }
  }
  post {
    always {
      script {
        if (fileExists('build/junit-unit.xml') || fileExists('build/junit-glue.xml')) {
          try {
            junit allowEmptyResults: true, testResults: 'build/junit-*.xml'
          } catch (Throwable err) {
            echo "junit step unavailable: ${err.class.simpleName}"
          }
        }
      }
      archiveArtifacts artifacts: 'build/**', allowEmptyArchive: true, fingerprint: true
    }
  }
}