name: Build & Deploy

on:
  push:
    branches:
      - main
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      skip_checks:
        description: 'Skip tests? (true/false)'
        required: false
        default: 'false'

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

jobs:
  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 1: Prepare Environment
  # ──────────────────────────────────────────────────────────────────────────────
  prepare:
    name: 🔍 Prepare
    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 }}
      traefik_rule:     ${{ steps.determine.outputs.traefik_rule }}
      next_public_url:  ${{ steps.determine.outputs.next_public_url }}
      directus_url:     ${{ steps.determine.outputs.directus_url }}
      project_name:     ${{ steps.determine.outputs.project_name }}
      short_sha:        ${{ steps.determine.outputs.short_sha }}
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: 🧹 Maintenance (High Density Cleanup)
        shell: bash
        run: |
          echo "Purging old build layers and dangling images..."
          docker image prune -f
          docker builder prune -f --filter "until=6h"

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 2

      - name: 🔍 Environment ermitteln
        id: determine
        shell: bash
        run: |
          REF="${{ github.ref_name }}"
          SHORT_SHA=$(echo "${{ github.sha }}" | cut -c1-7)
          DOMAIN="mb-grid-solutions.com"
          PRJ="mb-grid-solutions"

          if [[ "${{ github.ref_type }}" == "branch" && "$REF" == "main" ]]; then
            TARGET="testing"
            IMAGE_TAG="main-${SHORT_SHA}"
            ENV_FILE=".env.testing"
            TRAEFIK_HOST="testing.${DOMAIN}"
          elif [[ "${{ github.ref_type }}" == "tag" ]]; then
            if [[ "$REF" =~ ^v[0-9]+\.[0-9]+(\.[0-9]+)?$ ]]; then
              TARGET="production"
              IMAGE_TAG="$REF"
              ENV_FILE=".env.prod"
              TRAEFIK_HOST="${DOMAIN}, www.${DOMAIN}"
            else
              TARGET="staging"
              IMAGE_TAG="$REF"
              ENV_FILE=".env.staging"
              TRAEFIK_HOST="staging.${DOMAIN}"
            fi
          else
            TARGET="skip"
          fi

          if [[ "$TARGET" != "skip" ]]; then
            # Standardize Traefik Rule
            if [[ "$TRAEFIK_HOST" == *","* ]]; then
              TRAEFIK_RULE=$(echo "$TRAEFIK_HOST" | sed 's/,/ /g' | awk '{for(i=1;i<=NF;i++) printf "Host(\`%s\`)%s", $i, (i==NF?"":" || ")}')
              PRIMARY_HOST=$(echo "$TRAEFIK_HOST" | cut -d',' -f1 | sed 's/ //g')
            else
              TRAEFIK_RULE="Host(\`$TRAEFIK_HOST\`)"
              PRIMARY_HOST="$TRAEFIK_HOST"
            fi

            {
              echo "target=$TARGET"
              echo "image_tag=$IMAGE_TAG"
              echo "env_file=$ENV_FILE"
              echo "traefik_host=$PRIMARY_HOST"
              echo "traefik_rule=$TRAEFIK_RULE"
              echo "next_public_url=https://$PRIMARY_HOST"
              echo "directus_url=https://cms.$PRIMARY_HOST"
              echo "project_name=$PRJ-$TARGET"
              echo "short_sha=$SHORT_SHA"
            } >> "$GITHUB_OUTPUT"

            # ⏳ Wait for Upstream Packages/Images if Tagged
            if [[ "${{ github.ref_type }}" == "tag" ]]; then
              echo "🔎 Checking for @mintel dependencies in package.json..."
              # Extract any @mintel/ version (they should be synced in monorepo)
              UPSTREAM_VERSION=$(grep -o '"@mintel/.*": "[^"]*"' package.json | head -1 | cut -d'"' -f4 | sed 's/\^//; s/\~//')
              TAG_TO_WAIT="v$UPSTREAM_VERSION"
              
              if [[ -n "$UPSTREAM_VERSION" && "$UPSTREAM_VERSION" != "workspace:"* ]]; then
                echo "⏳ This release depends on @mintel v$UPSTREAM_VERSION. Waiting for upstream build..."
                # Fetch script from monorepo (main)
                curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
                  "https://git.infra.mintel.me/mmintel/at-mintel/raw/branch/main/packages/infra/scripts/wait-for-upstream.sh" > wait-for-upstream.sh
                chmod +x wait-for-upstream.sh
                
                GITEA_TOKEN=${{ secrets.GITHUB_TOKEN }} ./wait-for-upstream.sh "mmintel/at-mintel" "$TAG_TO_WAIT"
              fi
            fi
          else
             echo "target=skip" >> "$GITHUB_OUTPUT"
          fi

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 2: QA (Lint, Build Test)
  # ──────────────────────────────────────────────────────────────────────────────
  qa:
    name: 🧪 QA
    needs: prepare
    if: needs.prepare.outputs.target != 'skip'
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20
      - name: Setup pnpm
        uses: pnpm/action-setup@v3
        with:
          version: 10
      - name: 🔐 Registry Auth
        run: |
          echo "@mintel:registry=https://${{ vars.REGISTRY_HOST || 'npm.infra.mintel.me' }}" > .npmrc
          echo "//${{ vars.REGISTRY_HOST || 'npm.infra.mintel.me' }}/:_authToken=${{ secrets.REGISTRY_PASS }}" >> .npmrc
      - name: Install dependencies
        run: pnpm install --frozen-lockfile
      - name: 🧪 QA Checks
        if: github.event.inputs.skip_checks != 'true'
        run: |
          pnpm lint
          pnpm exec tsc --noEmit
          pnpm test run
      - name: 🏗️ Build Test
        if: github.event.inputs.skip_checks != 'true'
        run: pnpm build

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 3: Build & Push
  # ──────────────────────────────────────────────────────────────────────────────
  build:
    name: 🏗️ Build
    needs: prepare
    if: needs.prepare.outputs.target != 'skip'
    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 and Push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/arm64
          build-args: |
            NEXT_PUBLIC_BASE_URL=${{ needs.prepare.outputs.next_public_url }}
            NEXT_PUBLIC_TARGET=${{ needs.prepare.outputs.target }}
            DIRECTUS_URL=${{ needs.prepare.outputs.directus_url }}
            NPM_TOKEN=${{ secrets.REGISTRY_PASS }}
          tags: registry.infra.mintel.me/mintel/mb-grid-solutions:${{ needs.prepare.outputs.image_tag }}
          cache-from: type=registry,ref=registry.infra.mintel.me/mintel/mb-grid-solutions:buildcache
          cache-to: type=registry,ref=registry.infra.mintel.me/mintel/mb-grid-solutions:buildcache,mode=max
          secrets: |
            "NPM_TOKEN=${{ secrets.REGISTRY_PASS }}"

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 4: Deploy
  # ──────────────────────────────────────────────────────────────────────────────
  deploy:
    name: 🚀 Deploy
    needs: [prepare, build, qa]
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    env:
      TARGET:               ${{ needs.prepare.outputs.target }}
      IMAGE_TAG:            ${{ needs.prepare.outputs.image_tag }}
      PROJECT_NAME:         ${{ needs.prepare.outputs.project_name }}
      NEXT_PUBLIC_BASE_URL: ${{ needs.prepare.outputs.next_public_url }}
      DIRECTUS_URL:         ${{ needs.prepare.outputs.directus_url }}
      DIRECTUS_HOST:        cms.${{ needs.prepare.outputs.traefik_host }}
      
      # Secrets mapping (Directus)
      DIRECTUS_KEY:            ${{ (needs.prepare.outputs.target == 'testing' && secrets.TESTING_DIRECTUS_KEY) || (needs.prepare.outputs.target == 'staging' && secrets.STAGING_DIRECTUS_KEY) || secrets.DIRECTUS_KEY || vars.DIRECTUS_KEY }}
      DIRECTUS_SECRET:         ${{ (needs.prepare.outputs.target == 'testing' && secrets.TESTING_DIRECTUS_SECRET) || (needs.prepare.outputs.target == 'staging' && secrets.STAGING_DIRECTUS_SECRET) || secrets.DIRECTUS_SECRET || vars.DIRECTUS_SECRET }}
      DIRECTUS_ADMIN_EMAIL:    ${{ (needs.prepare.outputs.target == 'testing' && secrets.TESTING_DIRECTUS_ADMIN_EMAIL) || (needs.prepare.outputs.target == 'staging' && secrets.STAGING_DIRECTUS_ADMIN_EMAIL) || secrets.DIRECTUS_ADMIN_EMAIL || vars.DIRECTUS_ADMIN_EMAIL || 'admin@mintel.me' }}
      DIRECTUS_ADMIN_PASSWORD: ${{ (needs.prepare.outputs.target == 'testing' && secrets.TESTING_DIRECTUS_ADMIN_PASSWORD) || (needs.prepare.outputs.target == 'staging' && secrets.STAGING_DIRECTUS_ADMIN_PASSWORD) || secrets.DIRECTUS_ADMIN_PASSWORD || vars.DIRECTUS_ADMIN_PASSWORD }}
      DIRECTUS_DB_NAME:        ${{ secrets.DIRECTUS_DB_NAME || vars.DIRECTUS_DB_NAME || 'directus' }}
      DIRECTUS_DB_USER:        ${{ secrets.DIRECTUS_DB_USER || vars.DIRECTUS_DB_USER || 'directus' }}
      DIRECTUS_DB_PASSWORD:    ${{ (needs.prepare.outputs.target == 'testing' && secrets.TESTING_DIRECTUS_DB_PASSWORD) || (needs.prepare.outputs.target == 'staging' && secrets.STAGING_DIRECTUS_DB_PASSWORD) || secrets.DIRECTUS_DB_PASSWORD || vars.DIRECTUS_DB_PASSWORD || 'directus' }}
      DIRECTUS_API_TOKEN:      ${{ (needs.prepare.outputs.target == 'testing' && secrets.TESTING_DIRECTUS_API_TOKEN) || (needs.prepare.outputs.target == 'staging' && secrets.STAGING_DIRECTUS_API_TOKEN) || secrets.DIRECTUS_API_TOKEN || vars.DIRECTUS_API_TOKEN }}
      
      # Secrets mapping (Mail)
      MAIL_HOST:               ${{ secrets.SMTP_HOST || vars.SMTP_HOST }}
      MAIL_PORT:               ${{ secrets.SMTP_PORT || vars.SMTP_PORT || '587' }}
      MAIL_USERNAME:           ${{ secrets.SMTP_USER || vars.SMTP_USER }}
      MAIL_PASSWORD:           ${{ secrets.SMTP_PASS || vars.SMTP_PASS }}
      MAIL_FROM:               ${{ secrets.SMTP_FROM || vars.SMTP_FROM }}
      MAIL_RECIPIENTS:         ${{ secrets.CONTACT_RECIPIENT || vars.CONTACT_RECIPIENT }}

      # Authentication
      GATEKEEPER_PASSWORD:     ${{ secrets.GATEKEEPER_PASSWORD || vars.GATEKEEPER_PASSWORD }}
      AUTH_COOKIE_NAME:        ${{ secrets.AUTH_COOKIE_NAME || vars.AUTH_COOKIE_NAME || 'mintel_gatekeeper_session' }}
      COOKIE_DOMAIN:           ${{ secrets.COOKIE_DOMAIN || vars.COOKIE_DOMAIN || '.mb-grid-solutions.com' }}

      # Monitoring & Services
      SENTRY_DSN:              ${{ secrets.SENTRY_DSN || vars.SENTRY_DSN }}
      UMAMI_WEBSITE_ID:        ${{ secrets.UMAMI_WEBSITE_ID || secrets.NEXT_PUBLIC_UMAMI_WEBSITE_ID || vars.UMAMI_WEBSITE_ID || vars.NEXT_PUBLIC_UMAMI_WEBSITE_ID }}
      UMAMI_API_ENDPOINT:      ${{ secrets.UMAMI_API_ENDPOINT || secrets.NEXT_PUBLIC_UMAMI_SCRIPT_URL || vars.UMAMI_API_ENDPOINT || 'https://analytics.infra.mintel.me' }}
      PROJECT_COLOR:           ${{ secrets.PROJECT_COLOR || vars.PROJECT_COLOR || '#82ed20' }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: 📝 Generate Environment
        shell: bash
        env:
          TRAEFIK_RULE:     ${{ needs.prepare.outputs.traefik_rule }}
          TRAEFIK_HOST:     ${{ needs.prepare.outputs.traefik_host }}
          ENV_FILE:         ${{ needs.prepare.outputs.env_file }}
        run: |
          # Middleware & Auth Logic
          LOG_LEVEL=$( [[ "$TARGET" == "testing" || "$TARGET" == "development" ]] && echo "debug" || echo "info" )
          STD_MW="${PROJECT_NAME}-forward,compress"
          
          if [[ "$TARGET" == "production" ]]; then
            AUTH_MIDDLEWARE="$STD_MW"
            COMPOSE_PROFILES=""
          else
            # Order: Forward (Proto) -> Auth -> Compression
            AUTH_MIDDLEWARE="${PROJECT_NAME}-forward,${PROJECT_NAME}-auth,compress"
            COMPOSE_PROFILES="gatekeeper"
          fi
          
          # Gatekeeper Origin
          GATEKEEPER_ORIGIN="$NEXT_PUBLIC_BASE_URL/gatekeeper"

          # Generate Environment File
          cat > .env.deploy << EOF
          # Generated by CI - $TARGET
          IMAGE_TAG=$IMAGE_TAG
          NEXT_PUBLIC_BASE_URL=$NEXT_PUBLIC_BASE_URL
          GATEKEEPER_ORIGIN=$GATEKEEPER_ORIGIN
          SENTRY_DSN=$SENTRY_DSN
          PROJECT_COLOR=$PROJECT_COLOR
          LOG_LEVEL=$LOG_LEVEL
          
          # Directus
          DIRECTUS_URL=$DIRECTUS_URL
          DIRECTUS_HOST=$DIRECTUS_HOST
          DIRECTUS_KEY=$DIRECTUS_KEY
          DIRECTUS_SECRET=$DIRECTUS_SECRET
          DIRECTUS_ADMIN_EMAIL=$DIRECTUS_ADMIN_EMAIL
          DIRECTUS_ADMIN_PASSWORD=$DIRECTUS_ADMIN_PASSWORD
          DIRECTUS_DB_NAME=$DIRECTUS_DB_NAME
          DIRECTUS_DB_USER=$DIRECTUS_DB_USER
          DIRECTUS_DB_PASSWORD=$DIRECTUS_DB_PASSWORD
          DIRECTUS_API_TOKEN=$DIRECTUS_API_TOKEN
          INTERNAL_DIRECTUS_URL=http://directus:8055
          
          # Mail
          MAIL_HOST=$MAIL_HOST
          MAIL_PORT=$MAIL_PORT
          MAIL_USERNAME=$MAIL_USERNAME
          MAIL_PASSWORD=$MAIL_PASSWORD
          MAIL_FROM=$MAIL_FROM
          MAIL_RECIPIENTS=$MAIL_RECIPIENTS

          # Authentication
          GATEKEEPER_PASSWORD=$GATEKEEPER_PASSWORD
          AUTH_COOKIE_NAME=$AUTH_COOKIE_NAME
          COOKIE_DOMAIN=$COOKIE_DOMAIN

          # Analytics
          UMAMI_WEBSITE_ID=$UMAMI_WEBSITE_ID
          NEXT_PUBLIC_UMAMI_WEBSITE_ID=$UMAMI_WEBSITE_ID
          UMAMI_API_ENDPOINT=$UMAMI_API_ENDPOINT

          TARGET=$TARGET
          SENTRY_ENVIRONMENT=$TARGET
          PROJECT_NAME=$PROJECT_NAME
          ENV_FILE=$ENV_FILE
          TRAEFIK_RULE="${TRAEFIK_RULE}"
          TRAEFIK_HOST="${TRAEFIK_HOST}"
          COMPOSE_PROFILES=$COMPOSE_PROFILES
          TRAEFIK_MIDDLEWARES=$AUTH_MIDDLEWARE
          EOF

      - name: 🚀 SSH Deploy
        shell: bash
        env:
          ENV_FILE:         ${{ needs.prepare.outputs.env_file }}
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.ALPHA_SSH_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan -H alpha.mintel.me >> ~/.ssh/known_hosts 2>/dev/null

          # Transfer and Restart
          SITE_DIR="/home/deploy/sites/mb-grid-solutions.com"
          ssh root@alpha.mintel.me "mkdir -p $SITE_DIR/directus/schema $SITE_DIR/directus/uploads $SITE_DIR/directus/extensions"
          
          scp .env.deploy root@alpha.mintel.me:$SITE_DIR/$ENV_FILE
          scp docker-compose.yaml root@alpha.mintel.me:$SITE_DIR/docker-compose.yaml
          
          ssh root@alpha.mintel.me "cd $SITE_DIR && echo '${{ secrets.REGISTRY_PASS }}' | docker login registry.infra.mintel.me -u '${{ secrets.REGISTRY_USER }}' --password-stdin"
          ssh root@alpha.mintel.me "cd $SITE_DIR && docker compose -p '${{ needs.prepare.outputs.project_name }}' --env-file '$ENV_FILE' pull"
          ssh root@alpha.mintel.me "cd $SITE_DIR && docker compose -p '${{ needs.prepare.outputs.project_name }}' --env-file '$ENV_FILE' up -d --remove-orphans"
          
          # Apply Directus Schema Snapshot if available
          ssh root@alpha.mintel.me "cd $SITE_DIR && if docker compose -p '${{ needs.prepare.outputs.project_name }}' --env-file '$ENV_FILE' exec -T directus ls /directus/schema/snapshot.yaml >/dev/null 2>&1; then echo '→ Applying Directus Schema Snapshot...' && docker compose -p '${{ needs.prepare.outputs.project_name }}' --env-file '$ENV_FILE' exec -T directus npx directus schema apply /directus/schema/snapshot.yaml --yes; fi"
          
          ssh root@alpha.mintel.me "docker system prune -f --filter 'until=24h'"

      - name: 🧹 Post-Deploy Cleanup (Runner)
        if: always()
        run: docker builder prune -f --filter "until=1h"

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 5: Health Check
  # ──────────────────────────────────────────────────────────────────────────────
  healthcheck:
    name: 🩺 Health Check
    needs: [prepare, deploy]
    if: needs.deploy.result == 'success'
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: 🔍 Smoke Test
        run: |
          URL="${{ needs.prepare.outputs.next_public_url }}"
          echo "Checking health of $URL..."
          for i in {1..12}; do
            if curl -s -f "$URL" > /dev/null; then
              echo "✅ Health check passed!"
              exit 0
            fi
            echo "Waiting for service to be ready... ($i/12)"
            sleep 10
          done
          echo "❌ Health check failed after 2 minutes."
          exit 1

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 6: Notifications
  # ──────────────────────────────────────────────────────────────────────────────
  notifications:
    name: 🔔 Notify
    needs: [prepare, deploy, healthcheck]
    if: always()
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: 🔔 Gotify
        run: |
          STATUS="${{ needs.deploy.result }}"
          TITLE="mb-grid-solutions.com: $STATUS"
          [[ "$STATUS" == "success" ]] && PRIORITY=5 || PRIORITY=8
          
          curl -s -k -X POST "${{ secrets.GOTIFY_URL }}/message?token=${{ secrets.GOTIFY_TOKEN }}" \
            -F "title=$TITLE" \
            -F "message=Deploy to ${{ needs.prepare.outputs.target }} finished with status $STATUS.\nVersion: ${{ needs.prepare.outputs.image_tag }}" \
            -F "priority=$PRIORITY" || true