name: Build And Publish Production Image

on:
  push:
    branches:
      - main

jobs:
  build:
    name: Build And Publish Production Image
    runs-on: ubuntu-latest
    env:
      REGISTRY: gitea.lab:80
      IMAGE_NAME: sancho41/condado-newsletter
      REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
      REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
    steps:
      - uses: actions/checkout@v4
        with:
          github-server-url: http://gitea.lab

      - name: Verify Docker CLI
        run: docker version

      - name: Log in to Docker Hub (optional)
        if: ${{ secrets.DOCKERHUB_USERNAME != '' && secrets.DOCKERHUB_TOKEN != '' }}
        run: echo "${{ secrets.DOCKERHUB_TOKEN }}" | docker login docker.io -u "${{ secrets.DOCKERHUB_USERNAME }}" --password-stdin

      - name: Build all-in-one image
        run: docker build -t sancho41/condado-newsletter:latest -f Dockerfile.allinone .
        
      - name: Deploy stack via Portainer API
        env:
          STACK_NAME: codado-newsletter-stack
          PORTAINER_URL: http://portainer.lab/  
          PORTAINER_API_KEY: ${{ secrets.PORTAINER_API_KEY }}
          PORTAINER_ENDPOINT_ID: ${{ secrets.PORTAINER_ENDPOINT_ID }}
        run: |
          set -u
          set +e

          PORTAINER_BASE_URL=$(printf '%s' "${PORTAINER_URL}" | sed -E 's/[[:space:]]+$//; s#/*$##')

          echo "Portainer deploy debug"
          echo "PORTAINER_URL=${PORTAINER_URL}"
          echo "PORTAINER_BASE_URL=${PORTAINER_BASE_URL}"
          echo "STACK_NAME=${STACK_NAME}"
          echo "PORTAINER_ENDPOINT_ID=${PORTAINER_ENDPOINT_ID}"
          echo "HTTP_PROXY=${HTTP_PROXY:-<empty>}"
          echo "HTTPS_PROXY=${HTTPS_PROXY:-<empty>}"
          echo "NO_PROXY=${NO_PROXY:-<empty>}"

          echo "Current runner network info:"
          if command -v ip >/dev/null 2>&1; then
            ip -4 addr show || true
            ip route || true
          else
            hostname -I || true
          fi

          PORTAINER_HOST=$(printf '%s' "${PORTAINER_BASE_URL}" | sed -E 's#^[a-zA-Z]+://##; s#/.*$##; s/:.*$//')
          echo "Resolved host target: ${PORTAINER_HOST}"

          PORTAINER_IP=""
          ACTIVE_PORTAINER_BASE_URL="${PORTAINER_BASE_URL}"

          if command -v getent >/dev/null 2>&1; then
            echo "Host lookup (getent):"
            getent hosts "${PORTAINER_HOST}" || true
            PORTAINER_IP=$(getent hosts "${PORTAINER_HOST}" | awk 'NR==1{print $1}')
            if [ -n "${PORTAINER_IP}" ]; then
              PORTAINER_IP_BASE_URL="${PORTAINER_BASE_URL/${PORTAINER_HOST}/${PORTAINER_IP}}"
              echo "Portainer IP fallback URL: ${PORTAINER_IP_BASE_URL}"
            fi
          fi

          STACKS_BODY=$(mktemp)
          STACKS_ERR=$(mktemp)

          STACKS_HTTP_CODE=$(curl -sS \
            --noproxy "*" \
            -o "${STACKS_BODY}" \
            -w "%{http_code}" \
            "${ACTIVE_PORTAINER_BASE_URL}/api/stacks" \
            -H "X-API-Key: ${PORTAINER_API_KEY}" \
            2>"${STACKS_ERR}")
          STACKS_CURL_EXIT=$?

          if [ "${STACKS_CURL_EXIT}" -eq 6 ] && [ -n "${PORTAINER_IP:-}" ]; then
            echo "Retrying GET /api/stacks with IP fallback due to DNS failure"
            STACKS_HTTP_CODE=$(curl -sS \
              --noproxy "*" \
              -o "${STACKS_BODY}" \
              -w "%{http_code}" \
              "${PORTAINER_IP_BASE_URL}/api/stacks" \
              -H "X-API-Key: ${PORTAINER_API_KEY}" \
              2>"${STACKS_ERR}")
            STACKS_CURL_EXIT=$?
            if [ "${STACKS_CURL_EXIT}" -eq 0 ]; then
              ACTIVE_PORTAINER_BASE_URL="${PORTAINER_IP_BASE_URL}"
            fi
          fi

          echo "GET /api/stacks curl exit: ${STACKS_CURL_EXIT}"
          echo "GET /api/stacks http code: ${STACKS_HTTP_CODE}"
          echo "GET /api/stacks stderr:"
          cat "${STACKS_ERR}" || true
          echo "GET /api/stacks response (sanitized):"
          jq -r '.[] | "Id=\(.Id) Name=\(.Name) EndpointId=\(.EndpointId)"' "${STACKS_BODY}" || true

          if [ "${STACKS_CURL_EXIT}" -ne 0 ]; then
            echo "Failed to reach Portainer API while listing stacks."
            exit "${STACKS_CURL_EXIT}"
          fi

          if [ "${STACKS_HTTP_CODE}" -lt 200 ] || [ "${STACKS_HTTP_CODE}" -ge 300 ]; then
            echo "Portainer returned a non-success status for stack listing."
            exit 1
          fi

          STACK_ID=$(jq -r --arg stack_name "${STACK_NAME}" '.[] | select(.Name == $stack_name) | .Id' "${STACKS_BODY}" | head -n 1)

          APPLY_BODY=$(mktemp)
          APPLY_ERR=$(mktemp)

          if [ -n "${STACK_ID}" ]; then
            echo "Existing stack found with id=${STACK_ID}; sending update request"

            PAYLOAD=$(jq -n \
              --rawfile stack_file docker-compose.prod.yml \
              '{StackFileContent: $stack_file, Env: [], Prune: false, PullImage: false}')

            APPLY_HTTP_CODE=$(curl -sS -X PUT \
              --noproxy "*" \
              -o "${APPLY_BODY}" \
              -w "%{http_code}" \
              "${ACTIVE_PORTAINER_BASE_URL}/api/stacks/${STACK_ID}?endpointId=${PORTAINER_ENDPOINT_ID}" \
              -H "X-API-Key: ${PORTAINER_API_KEY}" \
              -H "Content-Type: application/json" \
              -d "${PAYLOAD}" \
              2>"${APPLY_ERR}")
            APPLY_CURL_EXIT=$?
          else
            echo "Stack not found; sending create request"

            PAYLOAD=$(jq -n \
              --arg name "${STACK_NAME}" \
              --rawfile stack_file docker-compose.prod.yml \
              '{Name: $name, StackFileContent: $stack_file, Env: [], FromAppTemplate: false}')

            APPLY_HTTP_CODE=$(curl -sS -X POST \
              --noproxy "*" \
              -o "${APPLY_BODY}" \
              -w "%{http_code}" \
              "${ACTIVE_PORTAINER_BASE_URL}/api/stacks/create/standalone/string?endpointId=${PORTAINER_ENDPOINT_ID}" \
              -H "X-API-Key: ${PORTAINER_API_KEY}" \
              -H "Content-Type: application/json" \
              -d "${PAYLOAD}" \
              2>"${APPLY_ERR}")
            APPLY_CURL_EXIT=$?
          fi

          echo "Apply curl exit: ${APPLY_CURL_EXIT}"
          echo "Apply http code: ${APPLY_HTTP_CODE}"
          echo "Apply stderr:"
          cat "${APPLY_ERR}" || true
          echo "Apply response body:"
          cat "${APPLY_BODY}" || true

          if [ "${APPLY_CURL_EXIT}" -ne 0 ]; then
            echo "Failed to reach Portainer API while applying stack changes."
            exit "${APPLY_CURL_EXIT}"
          fi

          if [ "${APPLY_HTTP_CODE}" -lt 200 ] || [ "${APPLY_HTTP_CODE}" -ge 300 ]; then
            echo "Portainer returned a non-success status while applying stack changes."
            exit 1
          fi

          echo "Portainer deploy step completed successfully"