name: Build & Deploy Mintel.me

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ (github.ref_type == 'tag' && !contains(github.ref_name, '-')) && 'prod' || (github.ref_type == 'tag' && 'staging' || 'testing') }}
  cancel-in-progress: true

jobs:
  prepare:
    name: 🔍 Prepare Environment
    runs-on: docker
    outputs:
      target:           ${{ steps.determine.outputs.target }}
      image_tag:        ${{ steps.determine.outputs.image_tag }}
      env_file:         ${{ steps.determine.outputs.env_file }}
      traefik_host:     ${{ steps.determine.outputs.traefik_host }}
      next_public_base_url: ${{ steps.determine.outputs.next_public_base_url }}
      directus_url:     ${{ steps.determine.outputs.directus_url }}
      directus_host:    ${{ steps.determine.outputs.directus_host }}
      project_name:     ${{ steps.determine.outputs.project_name }}
      is_prod:          ${{ steps.determine.outputs.is_prod }}
      gotify_title:     ${{ steps.determine.outputs.gotify_title }}
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: 🔍 Determine Environment
        id: determine
        shell: bash
        run: |
          TAG="${{ github.ref_name }}"
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-9)
          
          if [[ "${{ github.ref_type }}" == "branch" && "$TAG" == "main" ]]; then
            TARGET="testing"
            IMAGE_TAG="main-${SHORT_SHA}"
            ENV_FILE=".env.testing"
            TRAEFIK_HOST="testing.mintel.me"
            NEXT_PUBLIC_BASE_URL="https://testing.mintel.me"
            DIRECTUS_URL="https://cms.testing.mintel.me"
            DIRECTUS_HOST="cms.testing.mintel.me"
            PROJECT_NAME="mintel-me-testing"
            IS_PROD="false"
            GOTIFY_TITLE="🧪 Testing-Deploy"
          elif [[ "${{ github.ref_type }}" == "tag" ]]; then
            if [[ "$TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
              TARGET="production"
              IMAGE_TAG="$TAG"
              ENV_FILE=".env.prod"
              TRAEFIK_HOST="mintel.me, www.mintel.me"
              NEXT_PUBLIC_BASE_URL="https://mintel.me"
              DIRECTUS_URL="https://cms.mintel.me"
              DIRECTUS_HOST="cms.mintel.me"
              PROJECT_NAME="mintel-me-prod"
              IS_PROD="true"
              GOTIFY_TITLE="🚀 Production-Release"
            else
              TARGET="staging"
              IMAGE_TAG="$TAG"
              ENV_FILE=".env.staging"
              TRAEFIK_HOST="staging.mintel.me"
              NEXT_PUBLIC_BASE_URL="https://staging.mintel.me"
              DIRECTUS_URL="https://cms.staging.mintel.me"
              DIRECTUS_HOST="cms.staging.mintel.me"
              PROJECT_NAME="mintel-me-staging"
              IS_PROD="false"
              GOTIFY_TITLE="🧪 Staging-Deploy"
            fi
          else
            echo "Skipping deploy for unknown ref type"
            exit 1
          fi

          echo "target=$TARGET" >> $GITHUB_OUTPUT
          echo "image_tag=$IMAGE_TAG" >> $GITHUB_OUTPUT
          echo "env_file=$ENV_FILE" >> $GITHUB_OUTPUT
          echo "traefik_host=$TRAEFIK_HOST" >> $GITHUB_OUTPUT
          echo "next_public_base_url=$NEXT_PUBLIC_BASE_URL" >> $GITHUB_OUTPUT
          echo "directus_url=$DIRECTUS_URL" >> $GITHUB_OUTPUT
          echo "directus_host=$DIRECTUS_HOST" >> $GITHUB_OUTPUT
          echo "project_name=$PROJECT_NAME" >> $GITHUB_OUTPUT
          echo "is_prod=$IS_PROD" >> $GITHUB_OUTPUT
          echo "gotify_title=$GOTIFY_TITLE" >> $GITHUB_OUTPUT

  build:
    name: 🏗️ Build & Push
    needs: prepare
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: 🐳 Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: 🔐 Registry Login
        run: |
          echo "${{ secrets.REGISTRY_PASS }}" | docker login registry.infra.mintel.me -u "${{ secrets.REGISTRY_USER }}" --password-stdin

      - name: 🏗️ Build & Push
        env:
          IMAGE_TAG: ${{ needs.prepare.outputs.image_tag }}
          TARGET:    ${{ needs.prepare.outputs.target }}
          NEXT_PUBLIC_BASE_URL: ${{ needs.prepare.outputs.next_public_base_url }}
          DIRECTUS_URL:         ${{ needs.prepare.outputs.directus_url }}
        run: |
          docker buildx build \
            --pull \
            --platform linux/arm64 \
            --build-arg NEXT_PUBLIC_BASE_URL="$NEXT_PUBLIC_BASE_URL" \
            --build-arg NEXT_PUBLIC_TARGET="$TARGET" \
            --build-arg DIRECTUS_URL="$DIRECTUS_URL" \
            --secret id=NPM_TOKEN,env=NPM_TOKEN \
            -t registry.infra.mintel.me/mintel/mintel.me:$IMAGE_TAG \
            --push .
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}

  deploy:
    name: 🚀 Deploy
    needs: [prepare, build]
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: 🚀 Deploy via SSH
        env:
          TARGET:       ${{ needs.prepare.outputs.target }}
          IMAGE_TAG:    ${{ needs.prepare.outputs.image_tag }}
          ENV_FILE:     ${{ needs.prepare.outputs.env_file }}
          PROJECT_NAME: ${{ needs.prepare.outputs.project_name }}
          AUTH_MIDDLEWARE: ${{ needs.prepare.outputs.is_prod == 'true' && 'compress' || format('{0}-auth,compress', needs.prepare.outputs.project_name) }}
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.ALPHA_SSH_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan -H alpha.mintel.me >> ~/.ssh/known_hosts 2>/dev/null

          # Create .env on the fly
          cat > .env.tmp << EOF
          # Generated by CI
          NEXT_PUBLIC_BASE_URL=${{ needs.prepare.outputs.next_public_base_url }}
          NEXT_PUBLIC_TARGET=$TARGET
          DIRECTUS_URL=${{ needs.prepare.outputs.directus_url }}
          DIRECTUS_HOST=${{ needs.prepare.outputs.directus_host }}
          TRAEFIK_HOST=${{ needs.prepare.outputs.traefik_host }}
          IMAGE_TAG=$IMAGE_TAG
          PROJECT_NAME=$PROJECT_NAME
          AUTH_MIDDLEWARE=$AUTH_MIDDLEWARE
          
          # Secrets
          DIRECTUS_KEY=${{ secrets.DIRECTUS_KEY }}
          DIRECTUS_SECRET=${{ secrets.DIRECTUS_SECRET }}
          DIRECTUS_DB_NAME=${{ secrets.DIRECTUS_DB_NAME || 'directus' }}
          DIRECTUS_DB_USER=${{ secrets.DIRECTUS_DB_USER || 'directus' }}
          DIRECTUS_DB_PASSWORD=${{ secrets.DIRECTUS_DB_PASSWORD }}
          EOF

          scp .env.tmp root@alpha.mintel.me:/home/deploy/sites/mintel.me/$ENV_FILE
          scp docker-compose.yml root@alpha.mintel.me:/home/deploy/sites/mintel.me/docker-compose.yml
          scp -r varnish root@alpha.mintel.me:/home/deploy/sites/mintel.me/

          ssh root@alpha.mintel.me IMAGE_TAG="$IMAGE_TAG" ENV_FILE="$ENV_FILE" PROJECT_NAME="$PROJECT_NAME" bash << 'EOF'
            cd /home/deploy/sites/mintel.me
            echo "${{ secrets.REGISTRY_PASS }}" | docker login registry.infra.mintel.me -u "${{ secrets.REGISTRY_USER }}" --password-stdin
            docker compose -p "$PROJECT_NAME" --env-file "$ENV_FILE" pull
            docker compose -p "$PROJECT_NAME" --env-file "$ENV_FILE" up -d --remove-orphans
            docker system prune -f --filter "until=24h"
          EOF

  notifications:
    name: 🔔 Notifications
    needs: [prepare, deploy]
    if: always()
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: 🔔 Gotify
        run: |
          STATUS="${{ needs.deploy.result == 'success' && '✅' || '❌' }}"
          curl -s -k -X POST "${{ secrets.GOTIFY_URL }}/message?token=${{ secrets.GOTIFY_TOKEN }}" \
            -F "title=$STATUS ${{ needs.prepare.outputs.gotify_title }}" \
            -F "message=Deploy to **${{ needs.prepare.outputs.target }}** ${{ needs.deploy.result }}.\nVersion: ${{ needs.prepare.outputs.image_tag }}" \
            -F "priority=5" || true