// Pipeline CI/CD — Aduanasoft Anexo76
// Ejecuta: tests+security (paralelo) → docker build/push (paralelo) → E2E → deploy dev → smoke test
//
// Credenciales requeridas en Jenkins:
//   - harbor-credentials        : username/password para dev.aduanasoft.com
//   - a76-public-url-dev        : Secret Text — URL pública base (ej. https://anexo76-dev.aduanasoft.com)
//   - dev-server-user           : Secret Text — usuario SSH del servidor dev
//   - dev-server-host           : Secret Text — hostname/IP del servidor dev
//   - dev-server-ssh            : SSH Username with Private Key — llave privada para deploy
//   - a76-e2e-credentials       : Username with password — usuario de prueba en Workspace
//   - a76-sitar-api-url         : Secret Text — URL del API SITAR (provee TC para "Consultar DOF")
//   - a76-sitar-credentials     : Username with password — credenciales del API SITAR
//
// El agente Jenkins solo necesita: Docker CLI

pipeline {
    agent any

    environment {
        HARBOR_REGISTRY  = 'dev.aduanasoft.com'
        IMAGE_BACKEND    = "${HARBOR_REGISTRY}/anexo76/backend"
        IMAGE_FRONTEND   = "${HARBOR_REGISTRY}/anexo76/frontend"
        PYTHON_IMAGE     = 'python:3.12-slim'
        // Debe coincidir con @playwright/test del frontend (ver frontend/pnpm-lock.yaml)
        PLAYWRIGHT_IMAGE = 'mcr.microsoft.com/playwright:v1.56.1-noble'
        DEPLOY_PATH      = '~/projects/anexo76'
        // URL de Keycloak/Workspace — Keycloak vive en Workspace, no en el servidor de Anexo76
        KC_URL           = 'https://workspace.aduanasoft.com/kcauth'
    }

    options {
        timeout(time: 45, unit: 'MINUTES')
        buildDiscarder(logRotator(numToKeepStr: '10'))
        disableConcurrentBuilds()
        timestamps()
    }

    stages {

        // ── Tests + Security (4 trabajos en paralelo) ─────────────────────────
        // Backend tests, frontend Vitest, pip-audit y npm audit son independientes:
        // todos en un solo bloque parallel — la stage tarda el máximo de los 4,
        // no la suma. pip y pnpm cachean en volumes persistentes del agente
        // (jenkins-a76-pip-cache, jenkins-a76-pnpm-store) para reusar deps
        // entre builds (~30-60s menos cada uno cuando lockfiles no cambian).
        stage('Tests & Security') {
            parallel {

                stage('Test — Backend') {
                    steps {
                        sh '''
                            set -euo pipefail
                            C="a76-test-py-${BUILD_NUMBER}"
                            DB_C="a76-test-db-${BUILD_NUMBER}"
                            NET="a76-test-net-${BUILD_NUMBER}"
                            DB_NAME="anexo76_test"
                            DB_USER="anexo76"
                            DB_PASS="anexo76"
                            TEST_DB_URL="postgresql://${DB_USER}:${DB_PASS}@${DB_C}:5432/${DB_NAME}"

                            cleanup() {
                                docker rm -f "$C"    >/dev/null 2>&1 || true
                                docker rm -f "$DB_C" >/dev/null 2>&1 || true
                                docker network rm "$NET" >/dev/null 2>&1 || true
                            }
                            trap cleanup EXIT

                            docker network rm "$NET" >/dev/null 2>&1 || true
                            docker network create "$NET"

                            docker rm -f "$DB_C" >/dev/null 2>&1 || true
                            docker run -d --name "$DB_C" \
                                --network "$NET" \
                                -e POSTGRES_DB="$DB_NAME" \
                                -e POSTGRES_USER="$DB_USER" \
                                -e POSTGRES_PASSWORD="$DB_PASS" \
                                postgres:16-alpine

                            # Esperar a que Postgres esté listo
                            READY=0
                            for i in $(seq 1 30); do
                                if docker exec "$DB_C" pg_isready -U "$DB_USER" -d "$DB_NAME" >/dev/null 2>&1; then
                                    READY=1; break
                                fi
                                sleep 2
                            done
                            if [ "$READY" != "1" ]; then
                                echo "ERROR: Postgres no quedó listo en 60s."
                                exit 1
                            fi

                            docker exec "$DB_C" psql -U "$DB_USER" -d "$DB_NAME" -v ON_ERROR_STOP=1 -c "
                                CREATE SCHEMA IF NOT EXISTS core;
                                CREATE SCHEMA IF NOT EXISTS a24;
                                CREATE SCHEMA IF NOT EXISTS a76;
                                CREATE SCHEMA IF NOT EXISTS public;
                            "

                            docker rm -f "$C" >/dev/null 2>&1 || true
                            # Volume persistente para el cache de pip (~/.cache/pip):
                            # primer build lo puebla, siguientes reusan wheels si requirements.txt no cambió.
                            docker run -d --name "$C" --network "$NET" \
                                -v jenkins-a76-pip-cache:/root/.cache/pip \
                                "$PYTHON_IMAGE" sleep infinity
                            docker cp "$WORKSPACE/backend/." "$C:/app"

                            docker exec \
                                -e TEST_DATABASE_URL="$TEST_DB_URL" \
                                -w /app "$C" bash -lc '
                                    set -euxo pipefail
                                    pip install --quiet -r requirements.txt

                                    # Prueba de migraciones: upgrade → downgrade → upgrade
                                    # Verifica que todos los down() sean reversibles
                                    echo "--- alembic upgrade head ---"
                                    alembic upgrade head
                                    echo "--- alembic downgrade base ---"
                                    alembic downgrade base
                                    echo "--- alembic upgrade head (restaurar para tests) ---"
                                    alembic upgrade head

                                    # --cov=api,core: mide solo código fuente (excluye alembic, tests, layouts)
                                    # setup.cfg contiene los patrones omit — ver backend/setup.cfg
                                    # --cov-fail-under=25: umbral real actual (deuda técnica documentada)
                                    #   objetivo según estándares: 80% — incrementar conforme se agreguen tests
                                    pytest tests/ \
                                        --cov=api \
                                        --cov=core \
                                        --cov-fail-under=25 \
                                        --cov-report=term-missing \
                                        --cov-report=xml \
                                        --junitxml=test-results.xml \
                                        -v -ra
                                '
                            docker cp "$C:/app/test-results.xml" "$WORKSPACE/backend/test-results.xml"
                            docker cp "$C:/app/coverage.xml"     "$WORKSPACE/backend/coverage.xml"
                        '''
                    }
                    post {
                        always {
                            junit allowEmptyResults: true, testResults: 'backend/test-results.xml'
                            archiveArtifacts artifacts: 'backend/coverage.xml', allowEmptyArchive: true
                        }
                    }
                }

                stage('Test — Frontend (Vitest)') {
                    steps {
                        sh '''
                            set -euo pipefail
                            C="a76-test-fe-${BUILD_NUMBER}"
                            cleanup() { docker rm -f "$C" >/dev/null 2>&1 || true; }
                            trap cleanup EXIT

                            docker rm -f "$C" >/dev/null 2>&1 || true
                            # Volume persistente para el store de pnpm (content-addressable):
                            # primer build lo puebla, siguientes reusan paquetes si pnpm-lock.yaml no cambió.
                            # Path estándar de pnpm@9 en Linux como root: /root/.local/share/pnpm/store
                            docker run -d --name "$C" \
                                -v jenkins-a76-pnpm-store:/root/.local/share/pnpm/store \
                                "$PLAYWRIGHT_IMAGE" sleep infinity
                            docker exec "$C" mkdir -p /workspace
                            docker cp "$WORKSPACE/." "$C:/workspace"

                            docker exec \
                                -e CI=true \
                                -e NODE_ENV=test \
                                -e "JENKINS_URL=${JENKINS_URL}" \
                                -e JENKINS_VITEST_FULL=1 \
                                -w /workspace/frontend \
                                "$C" bash -lc '
                                    set -euxo pipefail
                                    npm install -g pnpm@9 --quiet
                                    pnpm install --frozen-lockfile
                                    pnpm run i18n:compile
                                    pnpm run test:unit -- --run
                                '
                        '''
                    }
                }

                stage('pip-audit') {
                    steps {
                        sh '''
                            set -euo pipefail
                            C="a76-audit-py-${BUILD_NUMBER}"
                            cleanup() { docker rm -f "$C" >/dev/null 2>&1 || true; }
                            trap cleanup EXIT

                            docker rm -f "$C" >/dev/null 2>&1 || true
                            docker run -d --name "$C" \
                                -v jenkins-a76-pip-cache:/root/.cache/pip \
                                "$PYTHON_IMAGE" sleep infinity
                            docker cp "$WORKSPACE/backend/requirements.txt" "$C:/requirements.txt"

                            docker exec "$C" bash -lc '
                                pip install --quiet pip-audit
                                pip-audit -r /requirements.txt -f json -o /pip-audit-report.json || true
                            '
                            docker cp "$C:/pip-audit-report.json" "$WORKSPACE/pip-audit-report.json"
                        '''
                        archiveArtifacts artifacts: 'pip-audit-report.json', allowEmptyArchive: true
                    }
                }

                stage('npm audit') {
                    steps {
                        sh '''
                            set -euo pipefail
                            C="a76-audit-fe-${BUILD_NUMBER}"
                            cleanup() { docker rm -f "$C" >/dev/null 2>&1 || true; }
                            trap cleanup EXIT

                            docker rm -f "$C" >/dev/null 2>&1 || true
                            docker run -d --name "$C" "$PLAYWRIGHT_IMAGE" sleep infinity
                            docker cp "$WORKSPACE/frontend/package.json"   "$C:/package.json"
                            docker cp "$WORKSPACE/frontend/pnpm-lock.yaml" "$C:/pnpm-lock.yaml" 2>/dev/null || true

                            docker exec -w / "$C" bash -lc '
                                npm audit --audit-level=high || true
                            '
                        '''
                    }
                }

            }
        }

        // ── Generación de versión ─────────────────────────────────────────────
        stage('Generate version') {
            when {
                anyOf { branch 'main'; branch 'development' }
            }
            steps {
                script {
                    def year      = sh(returnStdout: true, script: 'date +%y').trim()
                    def month     = sh(returnStdout: true, script: 'date +%m').trim()
                    def shortHash = sh(returnStdout: true, script: 'git rev-parse --short=8 HEAD').trim()

                    if (env.BRANCH_NAME == 'main') {
                        def lastTag = sh(returnStdout: true,
                            script: 'git describe --tags --abbrev=0 2>/dev/null || true').trim()
                        def commitCount = lastTag
                            ? sh(returnStdout: true, script: "git rev-list ${lastTag}..HEAD --count").trim()
                            : sh(returnStdout: true, script: 'git rev-list --count HEAD').trim()
                        if (commitCount == '0') commitCount = '1'
                        env.APP_VERSION = "${year}.${month}.1.${commitCount}"
                    } else {
                        env.APP_VERSION = "${year}.${month}.1.${shortHash}"
                    }

                    echo "VERSION: ${env.APP_VERSION}"
                }
            }
        }

        // ── Docker Build + Push (backend y frontend en paralelo) ──────────────
        // Antes era secuencial: ~6-10 min totales. Ahora cada imagen builda+pushea
        // en su propio substage en paralelo → tarda el máximo de los dos.
        // BuildKit inline cache + --cache-from reusan las layers de :latest cuando
        // pip-lock / pnpm-lock no cambiaron (~1-3 min menos por imagen).
        stage('Docker Build') {
            when {
                anyOf { branch 'main'; branch 'development' }
            }
            parallel {

                stage('Build & Push — Backend') {
                    steps {
                        withCredentials([
                            usernamePassword(
                                credentialsId: 'harbor-credentials',
                                usernameVariable: 'HARBOR_USER',
                                passwordVariable: 'HARBOR_PASS'
                            )
                        ]) {
                            sh """
                                set -euo pipefail
                                export DOCKER_BUILDKIT=1
                                echo "\${HARBOR_PASS}" | docker login ${HARBOR_REGISTRY} -u "\${HARBOR_USER}" --password-stdin

                                # Pull de :latest para alimentar --cache-from (silencioso si no existe)
                                docker pull ${IMAGE_BACKEND}:latest >/dev/null 2>&1 || true

                                docker build --progress=plain \\
                                    --cache-from ${IMAGE_BACKEND}:latest \\
                                    --build-arg BUILDKIT_INLINE_CACHE=1 \\
                                    --build-arg APP_VERSION=${env.APP_VERSION} \\
                                    -t ${IMAGE_BACKEND}:${env.APP_VERSION} \\
                                    -t ${IMAGE_BACKEND}:latest \\
                                    -f backend/Dockerfile \\
                                    backend/

                                docker push ${IMAGE_BACKEND}:${env.APP_VERSION}
                                docker push ${IMAGE_BACKEND}:latest
                            """
                        }
                    }
                }

                stage('Build & Push — Frontend') {
                    steps {
                        withCredentials([
                            usernamePassword(
                                credentialsId: 'harbor-credentials',
                                usernameVariable: 'HARBOR_USER',
                                passwordVariable: 'HARBOR_PASS'
                            ),
                            string(credentialsId: 'a76-public-url-dev', variable: 'A76_URL')
                        ]) {
                            sh """
                                set -euo pipefail
                                export DOCKER_BUILDKIT=1
                                echo "\${HARBOR_PASS}" | docker login ${HARBOR_REGISTRY} -u "\${HARBOR_USER}" --password-stdin

                                docker pull ${IMAGE_FRONTEND}:latest >/dev/null 2>&1 || true

                                docker build --progress=plain \\
                                    --cache-from ${IMAGE_FRONTEND}:latest \\
                                    --build-arg BUILDKIT_INLINE_CACHE=1 \\
                                    --build-arg VITE_API_URL=\${A76_URL}/api/ \\
                                    --build-arg VITE_KEYCLOAK_URL=${KC_URL} \\
                                    --build-arg VITE_KEYCLOAK_CLIENT_ID=anexo76-frontend \\
                                    --build-arg INTERNAL_API_URL=http://backend:3467/api/ \\
                                    -t ${IMAGE_FRONTEND}:${env.APP_VERSION} \\
                                    -t ${IMAGE_FRONTEND}:latest \\
                                    -f frontend/Dockerfile.prod \\
                                    frontend/

                                docker push ${IMAGE_FRONTEND}:${env.APP_VERSION}
                                docker push ${IMAGE_FRONTEND}:latest
                            """
                        }
                    }
                }

            }
        }

        // ── E2E (Playwright) — DESACTIVADO TEMPORALMENTE ───────────────────────
        // El stage completo de E2E se ha comentado temporalmente mientras se
        // estabiliza el flujo de Workspace / Fixed Assets y los tests Playwright.
        // Para reactivarlo, recuperar la definición anterior de stage('E2E (Playwright)').

        // ── Deploy Dev ────────────────────────────────────────────────────────
        stage('Deploy — Dev') {
            when { branch 'development' }
            steps {
                withCredentials([
                    usernamePassword(
                        credentialsId: 'harbor-credentials',
                        usernameVariable: 'HARBOR_USER',
                        passwordVariable: 'HARBOR_PASS'
                    ),
                    string(credentialsId: 'dev-server-user', variable: 'DEV_SERVER_USER'),
                    string(credentialsId: 'dev-server-host', variable: 'DEPLOY_HOST'),
                    sshUserPrivateKey(
                        credentialsId: 'dev-server-ssh',
                        keyFileVariable: 'SSH_KEY',
                        usernameVariable: 'SSH_USER',
                        passphraseVariable: 'SSH_PASSPHRASE'
                    )
                ]) {
                    script {
                        def deployHost = env.DEPLOY_HOST?.trim()
                        def knownHostsFile = "${env.WORKSPACE}/.jenkins-a76-known_hosts"
                        sh "ssh-keyscan -T 15 -H '${deployHost}' > '${knownHostsFile}'"
                        def remote = [
                            name         : 'dev-server',
                            host         : deployHost,
                            user         : env.DEV_SERVER_USER ?: env.SSH_USER,
                            identityFile : env.SSH_KEY,
                            passphrase   : env.SSH_PASSPHRASE,
                            allowAnyHosts: false,
                            knownHosts   : knownHostsFile
                        ]
                        sshCommand remote: remote, command: """
                            set -euo pipefail
                            cd ${DEPLOY_PATH}
                            APP_VERSION=${env.APP_VERSION} docker compose -f docker-compose.prod.yml pull
                            APP_VERSION=${env.APP_VERSION} docker compose -f docker-compose.prod.yml up -d || {
                                echo '=== logs anexo76-backend ==='
                                docker logs --tail 100 anexo76-backend 2>&1 || true
                                echo '=== docker compose ps ==='
                                docker compose -f docker-compose.prod.yml ps -a 2>&1 || true
                                exit 1
                            }
                            docker image prune -f
                        """
                    }
                }
            }
        }

        // ── Smoke Test ────────────────────────────────────────────────────────
        stage('Smoke Test') {
            when { branch 'development' }
            steps {
                withCredentials([
                    string(credentialsId: 'dev-server-host', variable: 'DEPLOY_HOST'),
                    sshUserPrivateKey(
                        credentialsId: 'dev-server-ssh',
                        keyFileVariable: 'SSH_KEY',
                        usernameVariable: 'SSH_USER',
                        passphraseVariable: 'SSH_PASSPHRASE'
                    )
                ]) {
                    script {
                        def deployHost = env.DEPLOY_HOST?.trim()
                        def knownHostsFile = "${env.WORKSPACE}/.jenkins-a76-known_hosts"
                        sh "ssh-keyscan -T 15 -H '${deployHost}' > '${knownHostsFile}'"
                        def remote = [
                            name         : 'dev-server',
                            host         : deployHost,
                            user         : env.SSH_USER,
                            identityFile : env.SSH_KEY,
                            passphrase   : env.SSH_PASSPHRASE,
                            allowAnyHosts: false,
                            knownHosts   : knownHostsFile
                        ]
                        sshCommand remote: remote, command: '''
                            set -euo pipefail
                            for i in $(seq 1 12); do
                                STATUS=$(curl -sf -o /dev/null -w "%{http_code}" http://localhost:3467/api/health 2>/dev/null || true)
                                if [ "$STATUS" = "200" ]; then
                                    echo "Smoke test OK — HTTP $STATUS"
                                    exit 0
                                fi
                                echo "Intento $i/12 — HTTP ${STATUS:-000} — reintentando en 10s..."
                                sleep 10
                            done
                            echo "ERROR: Smoke test fallido tras 120s"
                            exit 1
                        '''
                    }
                }
            }
        }
    }

    post {
        always {
            sh "docker logout ${HARBOR_REGISTRY} || true"
        }
        success {
            echo "Pipeline OK — ${env.BRANCH_NAME} #${env.BUILD_NUMBER} (${env.APP_VERSION ?: 'n/a'})"
        }
        failure {
            echo "PIPELINE FALLIDO — ${env.BRANCH_NAME} #${env.BUILD_NUMBER}"
        }
    }
}