name: Deploy Environment Monitoring to Production Environment

on:
  push:
    branches:
      - prod-env


concurrency:
  group: prod-monitoring-deploy
  cancel-in-progress: false

jobs:
  deploy:
    runs-on: prod-runner
    steps:
      - name: Checkout Branch
        uses: actions/checkout@v4

      - name: Connect Runner to Overlay Network
        run: |
          docker network connect iklimco-net $(hostname) || true

      - name: Install Required Tools
        run: |
          sudo sed -i 's|http://archive.ubuntu.com/ubuntu|http://mirror.hetzner.com/ubuntu/packages|g' /etc/apt/sources.list.d/ubuntu.sources || true
          sudo sed -i 's|http://archive.ubuntu.com/ubuntu|http://mirror.hetzner.com/ubuntu/packages|g' /etc/apt/sources.list || true
          sudo sed -i 's|http://security.ubuntu.com/ubuntu|http://mirror.hetzner.com/ubuntu/packages|g' /etc/apt/sources.list.d/ubuntu.sources || true
          sudo sed -i 's|http://security.ubuntu.com/ubuntu|http://mirror.hetzner.com/ubuntu/packages|g' /etc/apt/sources.list || true
          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
          sudo rm -f /etc/apt/sources.list.d/git-core-ubuntu-ppa*.list
          sudo rm -f /etc/apt/sources.list.d/github_git-lfs.list
          sudo apt-get update
          sudo apt-get install -y gettext jq

      - name: Set up SSH Key and Add to known_hosts
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.STORAGEBOX_SSH_PRIV }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan -p 23 ${{ vars.STORAGEBOX_USER }}.your-storagebox.de >> ~/.ssh/known_hosts

      - name: Download Deploy Inputs
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          rm -f .env .env.secrets.swag health-agent/.env health-agent/.env.setup
          scp -P 23 ${{ vars.STORAGEBOX_USER }}@${{ vars.STORAGEBOX_USER }}.your-storagebox.de:prod/secrets/iklim.co/.env ./.env
          scp -P 23 ${{ vars.STORAGEBOX_USER }}@${{ vars.STORAGEBOX_USER }}.your-storagebox.de:prod/secrets/iklim.co/.env.secrets.swag ./.env.secrets.swag
          scp -P 23 ${{ vars.STORAGEBOX_USER }}@${{ vars.STORAGEBOX_USER }}.your-storagebox.de:prod/secrets/iklim.co/.env.monitoring.health-agent-runtime ./health-agent/.env
          scp -P 23 ${{ vars.STORAGEBOX_USER }}@${{ vars.STORAGEBOX_USER }}.your-storagebox.de:prod/secrets/iklim.co/.env.monitoring.health-agent-setup ./health-agent/.env.setup
          require_env_file ./.env "Main env file"
          require_env_file ./.env.secrets.swag "SWAG secrets"
          require_env_file ./health-agent/.env "Health-agent runtime env"
          require_env_file ./health-agent/.env.setup "Health-agent setup env"

      - name: Promote Health Agent Image
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          source_env_file ./health-agent/deploy/prod.env
          if [ -z "${SOURCE_IMAGE_DIGEST:-}" ] || [ -z "${PROD_IMAGE_TAG:-}" ]; then
            log_message "INFO" "health-agent/deploy/prod.env is empty — skipping health-agent promotion"
            exit 0
          fi
          case "$SOURCE_IMAGE_DIGEST" in
            registry.tarla.io/iklimco/health-agent@sha256:*) ;;
            *) log_message "ERROR" "SOURCE_IMAGE_DIGEST must be registry.tarla.io/iklimco/health-agent@sha256:<digest>"; exit 1 ;;
          esac
          case "$PROD_IMAGE_TAG" in
            *-rc*) log_message "ERROR" "PROD_IMAGE_TAG must not contain -rc"; exit 1 ;;
          esac
          PROD_IMAGE="registry.tarla.io/iklimco/health-agent:${PROD_IMAGE_TAG}"
          echo "${{ secrets.HARBOR_CI_TOKEN }}" | \
            docker login registry.tarla.io -u robot-ci-push-iklimco --password-stdin
          docker pull "${SOURCE_IMAGE_DIGEST}"
          docker tag "${SOURCE_IMAGE_DIGEST}" "${PROD_IMAGE}"
          docker push "${PROD_IMAGE}"
          if grep -q "^IMAGE_HEALTH_AGENT=" .env; then
            sed -i "s|^IMAGE_HEALTH_AGENT=.*$|IMAGE_HEALTH_AGENT=health-agent:${PROD_IMAGE_TAG}|" .env
          else
            echo "IMAGE_HEALTH_AGENT=health-agent:${PROD_IMAGE_TAG}" >> .env
          fi
          echo "HEALTH_AGENT_IMAGE=${PROD_IMAGE}" >> $GITHUB_ENV
          log_message "SUCCESS" "Promoted: ${PROD_IMAGE}"

      - name: Run Uptime Kuma Setup
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          source_env_file ./health-agent/.env
          mkdir -p "${HEALTH_AGENT_CONFIG_GENERATED_DIR}"
          if [ ! -s "${HEALTH_AGENT_CONFIG_GENERATED_DIR}/uk_tokens.yml" ]; then
            docker run --rm \
              -v "${HEALTH_AGENT_CONFIG_GENERATED_DIR}:/app/config/generated" \
              --env-file "$(pwd)/health-agent/.env" \
              --env-file "$(pwd)/health-agent/.env.setup" \
              "${HEALTH_AGENT_IMAGE}" \
              python scripts/setup_uptime_kuma.py
            log_message "SUCCESS" "Uptime Kuma setup complete, tokens written to ${HEALTH_AGENT_CONFIG_GENERATED_DIR}"
          else
            log_message "INFO" "uk_tokens.yml already exists, skipping Uptime Kuma setup"
          fi

      - name: Deploy Monitoring Stack
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          source_env_file ./.env
          source_env_file ./health-agent/.env
          export HEALTH_AGENT_ENV_FILE="$(pwd)/health-agent/.env"
          echo "${{ secrets.HARBOR_PULL_TOKEN }}" | \
            docker login registry.tarla.io -u robot-swarm-pull-iklimco --password-stdin

          # Remove leftover dozzle_users Docker secret from previous setup
          docker secret rm dozzle_users 2>/dev/null || true

          docker stack deploy \
            --with-registry-auth \
            --resolve-image changed \
            -c docker-stack-monitoring.yml \
            monitoring

      - name: Wait for Loki
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          for i in $(seq 1 36); do
            REPLICAS=$(docker service ls --filter name=monitoring_loki --format "{{.Replicas}}" | head -1)
            if echo "$REPLICAS" | awk -F'[/ ]' '$1>0 && $1==$2{found=1} END{exit !found}'; then
              log_message "SUCCESS" "Loki is ready: $REPLICAS"
              exit 0
            fi
            log_message "INFO" "Loki not ready yet (${REPLICAS:-missing}), waiting 5s..."
            sleep 5
          done
          docker service ps monitoring_loki || true
          exit 1

      - name: Configure SWAG Reverse Proxy
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          source_env_file ./.env
          source_env_file ./.env.secrets.swag
          export PORTAINER_SUBDOMAIN="${PORTAINER_SUBDOMAIN:-portainer.iklim.co}"
          export RESTRICTED_IPS_BLOCK="$(echo "$RESTRICTED_IPS" | tr ',' '\n' | sed 's|.*|        allow &;|')"

          SWAG_VARS='${PORTAINER_SUBDOMAIN}${RESTRICTED_IPS_BLOCK}'
          for tpl in swag/site-confs/*.conf.tpl; do
            fname=$(basename "${tpl%.tpl}")
            envsubst "$SWAG_VARS" < "$tpl" | docker run --rm -i \
              -v "${SWAG_SITE_CONFS_DIR}:/output" \
              alpine sh -c "cat > /output/${fname}"
            log_message "SUCCESS" "${fname} written"
          done

          SWAG_CTR=$(docker ps -q -f name=iklimco_swag 2>/dev/null | head -1)
          if [ -n "$SWAG_CTR" ]; then
            docker exec "$SWAG_CTR" nginx -t && docker exec "$SWAG_CTR" nginx -s reload
            log_message "SUCCESS" "SWAG nginx reloaded"
          fi

      - name: Update DNS Records
        run: |
          source ./common-functions-base.sh
          export SPRING_PROFILES_ACTIVE=PROD
          source_env_file ./.env
          source_env_file ./.env.secrets.swag
          FLOATING_IP="${{ vars.PROD_FLOATING_IP }}"
          DOMAIN="iklim.co"

          for record in portainer; do
            CURRENT=$(curl -s \
              -H "Authorization: sso-key ${GODADDY_KEY}:${GODADDY_SECRET}" \
              "https://api.godaddy.com/v1/domains/${DOMAIN}/records/A/${record}" \
              2>/dev/null | jq -r '.[0].data // empty' 2>/dev/null || true)

            if [ "$CURRENT" = "$FLOATING_IP" ]; then
              log_message "INFO" "${record}.${DOMAIN} -> ${FLOATING_IP} exists, skipping"
            else
              curl -sf -X PUT \
                -H "Authorization: sso-key ${GODADDY_KEY}:${GODADDY_SECRET}" \
                -H "Content-Type: application/json" \
                "https://api.godaddy.com/v1/domains/${DOMAIN}/records/A/${record}" \
                -d "[{\"data\":\"${FLOATING_IP}\",\"ttl\":600}]"
              log_message "SUCCESS" "${record}.${DOMAIN} -> ${FLOATING_IP} added/updated"
            fi
          done

      - name: Verify Deployment
        run: |
          docker service ps monitoring_loki \
            --filter "desired-state=running" \
            --format "table {{.Name}}\t{{.Node}}\t{{.CurrentState}}\t{{.Image}}" | head -20