name: Build & Deploy

on:
  push:
    branches:
      - '**'
    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: 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="klz-cables.com"
          PRJ="klz"

          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.${DOMAIN}"
            fi
          else
            TARGET="branch"
            SLUG=$(echo "$REF" | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9]/-/g' | sed 's/--*/-/g' | sed 's/^-//;s/-$//')
            IMAGE_TAG="branch-${SLUG}-${SHORT_SHA}"
            ENV_FILE=".env.branch-${SLUG}"
            TRAEFIK_HOST="${SLUG}.branch.mintel.me"
          fi

          # 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"

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 2: QA (Lint, Typecheck, 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: 🧪 Parallel Checks
        if: github.event.inputs.skip_checks != 'true'
        run: |
          pnpm lint &
          pnpm typecheck &
          pnpm test &
          wait

  # ──────────────────────────────────────────────────────────────────────────────
  # 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/klz-cables.com:${{ needs.prepare.outputs.image_tag }}
          cache-from: type=registry,ref=registry.infra.mintel.me/mintel/klz-cables.com:buildcache
          cache-to: type=registry,ref=registry.infra.mintel.me/mintel/klz-cables.com:buildcache,mode=max
          secrets: |
            "NPM_TOKEN=${{ secrets.REGISTRY_PASS }}"

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 4: Deploy
  # ──────────────────────────────────────────────────────────────────────────────
  deploy:
    name: 🚀 Deploy
    needs: [prepare, build, qa]
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: 🚀 SSH Deploy
        shell: bash
        env:
          TARGET:           ${{ needs.prepare.outputs.target }}
          IMAGE_TAG:        ${{ needs.prepare.outputs.image_tag }}
          PROJECT_NAME:     ${{ needs.prepare.outputs.project_name }}
          ENV_FILE:         ${{ needs.prepare.outputs.env_file }}
          TRAEFIK_RULE:     ${{ needs.prepare.outputs.traefik_rule }}
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.ALPHA_SSH_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan -H alpha.mintel.me >> ~/.ssh/known_hosts 2>/dev/null

          # Generate Environment File
          cat > .env.deploy << EOF
          IMAGE_TAG=$IMAGE_TAG
          NEXT_PUBLIC_BASE_URL=${{ needs.prepare.outputs.next_public_url }}
          DIRECTUS_URL=${{ needs.prepare.outputs.directus_url }}
          DIRECTUS_HOST=cms.${{ needs.prepare.outputs.traefik_host }}
          INTERNAL_DIRECTUS_URL=http://directus:8055
          TRAEFIK_HOST_RULE='$TRAEFIK_RULE'
          PROJECT_NAME=$PROJECT_NAME
          TARGET=$TARGET
          SENTRY_ENVIRONMENT=$TARGET
          SENTRY_DSN=${{ secrets.SENTRY_DSN || vars.SENTRY_DSN }}
          GATEKEEPER_PASSWORD=${{ secrets.GATEKEEPER_PASSWORD || 'klz2026' }}
          AUTH_MIDDLEWARE=$( [[ "$TARGET" == "production" ]] && echo "${PROJECT_NAME}-compress" || echo "${PROJECT_NAME}-auth,${PROJECT_NAME}-compress" )
          EOF

          # Transfer and Restart
          SITE_DIR="/home/deploy/sites/klz-cables.com"
          ssh root@alpha.mintel.me "mkdir -p $SITE_DIR"
          scp .env.deploy root@alpha.mintel.me:$SITE_DIR/$ENV_FILE
          scp docker-compose.yml root@alpha.mintel.me:$SITE_DIR/docker-compose.yml
          
          ssh root@alpha.mintel.me "cd $SITE_DIR && \
            echo '${{ 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 --wait --remove-orphans"

  # ──────────────────────────────────────────────────────────────────────────────
  # JOB 5: Notifications
  # ──────────────────────────────────────────────────────────────────────────────
  notifications:
    name: 🔔 Notify
    needs: [prepare, deploy]
    if: always()
    runs-on: docker
    container:
      image: catthehacker/ubuntu:act-latest
    steps:
      - name: 🔔 Gotify
        run: |
          STATUS="${{ needs.deploy.result }}"
          TITLE="klz-cables.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