name: UNA CI

on:
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]
    types: [opened, synchronize, reopened, closed]

permissions:
  contents: read
  pull-requests: write

# A newer push to a PR, or closing it, cancels that PR's run in progress, so the teardown can't
# race a preview deploy that is still creating the environment. Master pushes never cancel.
concurrency:
  group: ci-${{ github.event.pull_request.number && format('pr-{0}', github.event.pull_request.number) || github.sha }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  test:
    if: github.event_name == 'push' || github.event.action != 'closed'
    runs-on: ubuntu-latest

    services:
      mysql:
        image: mariadb:11
        env:
          MYSQL_ROOT_PASSWORD: root
          MYSQL_DATABASE: una
          MYSQL_USER: una
          MYSQL_PASSWORD: una
        ports:
          - 3306:3306
        options: >-
          --health-cmd="healthcheck.sh --connect --innodb_initialized"
          --health-interval=10s
          --health-timeout=5s
          --health-retries=10

    steps:
    - uses: actions/checkout@v4

    - name: Setup PHP
      uses: shivammathur/setup-php@v2
      with:
        php-version: '8.3'
        extensions: intl, curl, gd, mbstring, zip, exif, pdo_mysql
        ini-values: short_open_tag=On, memory_limit=256M
        tools: composer, phing, phpunit:12

    - name: Setup Node
      uses: actions/setup-node@v4
      with:
        node-version: '24'
        cache: yarn

    - name: Install PHP dependencies
      run: composer install --prefer-dist --no-progress --no-dev

    - name: Install JS dependencies
      run: yarn install --frozen-lockfile

    - name: Prepare writable paths
      run: |
        mkdir -p cache cache_public logs tmp storage
        chmod a+rwX inc cache cache_public logs tmp storage
        test -f plugins/ffmpeg/ffmpeg.exe && chmod 0755 plugins/ffmpeg/ffmpeg.exe

    - name: Install UNA
      working-directory: install
      run: >
        php cmd.php
        -m bx_antispam
        --db_host=127.0.0.1
        --db_name=una
        --db_user=una
        --db_password=una
        --server_http_host=localhost
        --server_php_self=/install/index.php

    - name: Run PHPUnit
      run: phpunit -c tests/phpunit.xml

    - name: Build package
      run: phing package -Dbuild=${{ github.run_number }}

    - name: Upload package artifact
      uses: actions/upload-artifact@v4
      with:
        name: una-package
        path: packages/*.zip
        if-no-files-found: error

  preview-env:
    # Same-repo PRs only: forks and Dependabot get no secrets, and Dependabot PRs need no preview.
    name: Prepare PR environment
    if: >-
      github.event_name == 'pull_request' && github.event.action != 'closed'
      && github.event.pull_request.head.repo.full_name == github.repository
      && github.event.pull_request.user.login != 'dependabot[bot]'
    runs-on: ubuntu-latest
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_BASE_ENVIRONMENT: ${{ secrets.RAILWAY_ENVIRONMENT }}
      RAILWAY_TEMPLATE_ENVIRONMENT: pr-template
      RAILWAY_PR_ENVIRONMENT: pr-${{ github.event.pull_request.number }}
      # unacms.app hosts: UNA (service una) and the NEO web client (service neo), both on Railway
      VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
      VERCEL_TEAM: yasko
      PREVIEW_API_HOST: api-pr-${{ github.event.pull_request.number }}.unacms.app
      PREVIEW_CLIENT_HOST: pr-${{ github.event.pull_request.number }}.unacms.app
      UNA_PREVIEW_API_KEY: ${{ secrets.UNA_PREVIEW_API_KEY }}
    outputs:
      domains: ${{ steps.domains.outputs.ok }}
    steps:
    - uses: actions/checkout@v4
      with:
        sparse-checkout: |
          .github/actions
          scripts/railway

    - uses: ./.github/actions/railway-cli

    - name: Provision PR environment
      run: |
        if [ -z "$RAILWAY_API_TOKEN" ] || [ -z "$RAILWAY_PROJECT_ID" ]; then
          echo "Set secrets RAILWAY_API_TOKEN (account token) and RAILWAY_PROJECT_ID" >&2
          exit 1
        fi
        base="${RAILWAY_BASE_ENVIRONMENT:-production}"
        template="${RAILWAY_TEMPLATE_ENVIRONMENT:-pr-template}"
        railway link --project "$RAILWAY_PROJECT_ID" --environment "$base" --json

        # Railway services are project-scoped: mariadb, una and neo already exist, so `railway add`
        # cannot create them again and a plain new environment holds no instances of them
        # (every preview after the first failed this way). A PR environment therefore gets
        # its instances by duplicating the template environment. An environment left over
        # from a failed run has no una instance; recreate it.
        if ! railway service status --service una --environment "$RAILWAY_PR_ENVIRONMENT" >/dev/null 2>&1; then
          railway environment delete "$RAILWAY_PR_ENVIRONMENT" -y >/dev/null 2>&1 || true
          railway environment new "$RAILWAY_PR_ENVIRONMENT" --duplicate "$template" --json
          # a duplicate may carry the template's deployments; the builds below replace them
          railway down --service una --environment "$RAILWAY_PR_ENVIRONMENT" -y >/dev/null 2>&1 || true
          railway down --service neo --environment "$RAILWAY_PR_ENVIRONMENT" -y >/dev/null 2>&1 || true
        fi
        railway link --project "$RAILWAY_PROJECT_ID" --environment "$RAILWAY_PR_ENVIRONMENT" --json
        # An environment duplicated before the neo service existed lacks it.
        scripts/railway/neo.sh instance "$RAILWAY_PR_ENVIRONMENT"

        # The duplicated una instance is what `railway up` deploys into. Setting its variables
        # doubles as the readiness check: it fails with "ServiceInstance not found" until it exists.
        for i in $(seq 1 12); do
          railway variable set --service una --environment "$RAILWAY_PR_ENVIRONMENT" --skip-deploys \
            MYSQLHOST=mariadb.railway.internal \
            MYSQLPORT=3306 \
            MYSQLDATABASE=una \
            MYSQLUSER=una \
            MYSQLPASSWORD=una \
            UNA_DEMO_SEED=1 \
            UNA_CLIENT_URL="https://$PREVIEW_CLIENT_HOST" \
            ${UNA_PREVIEW_API_KEY:+UNA_API_KEY="$UNA_PREVIEW_API_KEY"} \
            && break
          sleep 5
        done
        railway domain --service una --environment "$RAILWAY_PR_ENVIRONMENT" || true
        railway domain --service neo --environment "$RAILWAY_PR_ENVIRONMENT" || true

        # NEO talks to this PR's UNA through its Railway domain, which has a certificate from
        # the start (the api-pr host gets one minutes later). UNA_AUTO_HOSTNAME makes UNA build
        # its URLs from that host.
        una_host=$(railway domain list --service una --environment "$RAILWAY_PR_ENVIRONMENT" --json | jq -r '.domains[] | select(.type == "service") | .domain' | head -n1)
        [ -n "$una_host" ] || { echo "No Railway domain for una" >&2; exit 1; }
        scripts/railway/neo.sh vars "$RAILWAY_PR_ENVIRONMENT" "https://${una_host#https://}" "https://$PREVIEW_CLIENT_HOST"

    - name: Preview domains on unacms.app
      id: domains
      if: env.VERCEL_TOKEN != ''
      run: |
        scripts/railway/domains.sh railway-domain "$PREVIEW_API_HOST" "$RAILWAY_PR_ENVIRONMENT" una
        # Until 2026-10 the client host was a Vercel alias of the neo-ci build; drop it if present.
        scripts/railway/domains.sh client-unalias "$PREVIEW_CLIENT_HOST"
        scripts/railway/domains.sh railway-domain "$PREVIEW_CLIENT_HOST" "$RAILWAY_PR_ENVIRONMENT" neo
        echo "ok=1" >> "$GITHUB_OUTPUT"

  deploy:
    name: Deploy PR to Railway (una)
    needs: [test, preview-env]
    runs-on: ubuntu-latest
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_PR_ENVIRONMENT: pr-${{ github.event.pull_request.number }}
    steps:
    - uses: actions/checkout@v4

    - uses: actions/download-artifact@v4
      with:
        name: una-package
        path: packages

    - name: Prepare artefact
      run: |
        mkdir -p deploy
        unzip -q packages/*.zip -d /tmp/una-pkg
        pkg_dir=$(find /tmp/una-pkg -mindepth 1 -maxdepth 1 -type d | head -n 1)
        cp -a "$pkg_dir"/. deploy/
        cp scripts/railway/Dockerfile scripts/railway/entrypoint.sh scripts/railway/railway.toml scripts/railway/.railwayignore \
          scripts/railway/configure.php scripts/railway/seed.php deploy/
        chmod +x deploy/entrypoint.sh

    - uses: ./.github/actions/railway-cli

    - name: Deploy artefact
      run: railway up ./deploy --path-as-root --no-gitignore --verbose --ci --service una --environment "$RAILWAY_PR_ENVIRONMENT" --project "$RAILWAY_PROJECT_ID"

  deploy-neo:
    # NEO isn't covered by `test`, so it builds alongside it.
    name: Deploy PR to Railway (neo)
    needs: preview-env
    runs-on: ubuntu-latest
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_PR_ENVIRONMENT: pr-${{ github.event.pull_request.number }}
    steps:
    - uses: actions/checkout@v4

    - uses: ./.github/actions/railway-cli

    - name: Deploy NEO
      run: |
        scripts/railway/neo.sh stage /tmp/deploy-neo
        railway up /tmp/deploy-neo --path-as-root --no-gitignore --verbose --ci --service neo --environment "$RAILWAY_PR_ENVIRONMENT" --project "$RAILWAY_PROJECT_ID"

  preview-comment:
    name: Comment preview URLs
    needs: [preview-env, deploy, deploy-neo]
    if: always() && needs.preview-env.result == 'success'
    runs-on: ubuntu-latest
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_PR_ENVIRONMENT: pr-${{ github.event.pull_request.number }}
      PREVIEW_API_HOST: api-pr-${{ github.event.pull_request.number }}.unacms.app
      PREVIEW_CLIENT_HOST: pr-${{ github.event.pull_request.number }}.unacms.app
      DOMAINS_OK: ${{ needs.preview-env.outputs.domains }}
      UNA_RESULT: ${{ needs.deploy.result }}
      NEO_RESULT: ${{ needs.deploy-neo.result }}
      GH_TOKEN: ${{ github.token }}
      PR_NUMBER: ${{ github.event.pull_request.number }}
    steps:
    - uses: actions/checkout@v4
      with:
        sparse-checkout: .github/actions

    - uses: ./.github/actions/railway-cli

    - name: Comment preview URLs on PR
      run: |
        railway link --project "$RAILWAY_PROJECT_ID" --environment "$RAILWAY_PR_ENVIRONMENT" --json >/dev/null
        service_url() {
          local host
          host=$(railway domain list --service "$1" --environment "$RAILWAY_PR_ENVIRONMENT" --json | jq -r '.domains[] | select(.type == "service") | .domain' | head -n1)
          [ -n "$host" ] && echo "https://${host#https://}"
        }
        una_url=$(service_url una || true)
        neo_url=$(service_url neo || true)
        state() { [ "$1" = success ] && echo "" || echo " (deploy: $1)"; }

        marker="<!-- railway-preview -->"
        if [ "$DOMAINS_OK" = "1" ]; then
          body=$(printf '%s\n**Preview**: https://%s (NEO web client%s, also %s)\n**API**: https://%s (UNA%s, also %s)\n\nRailway environment: `%s`. A new custom domain needs a few minutes for its certificate, and a fresh UNA install about 10.' \
            "$marker" "$PREVIEW_CLIENT_HOST" "$(state "$NEO_RESULT")" "$neo_url" "$PREVIEW_API_HOST" "$(state "$UNA_RESULT")" "$una_url" "$RAILWAY_PR_ENVIRONMENT")
        else
          body=$(printf '%s\n**Preview**: %s (NEO web client%s)\n**API**: %s (UNA%s)\n\nRailway environment: `%s`' \
            "$marker" "$neo_url" "$(state "$NEO_RESULT")" "$una_url" "$(state "$UNA_RESULT")" "$RAILWAY_PR_ENVIRONMENT")
        fi

        comment_id=$(gh api "repos/${GITHUB_REPOSITORY}/issues/${PR_NUMBER}/comments" --paginate \
          --jq ".[] | select(.user.login == \"github-actions[bot]\" and (.body | contains(\"${marker}\"))) | .id" \
          | head -n1)

        if [ -n "$comment_id" ]; then
          gh api --method PATCH "repos/${GITHUB_REPOSITORY}/issues/comments/${comment_id}" -f body="$body"
        else
          gh pr comment "$PR_NUMBER" --body "$body"
        fi

  deploy-production:
    # Runs next to the Jenkins deploy to ci.una.io, which is unchanged.
    name: Deploy master to Railway (api.unacms.app)
    needs: test
    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    concurrency:
      group: railway-production
      cancel-in-progress: false
    environment:
      name: production
      url: https://api.unacms.app
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_ENVIRONMENT: production
      VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
      VERCEL_TEAM: yasko
      UNA_API_KEY: ${{ secrets.UNA_API_KEY }}
    steps:
    - uses: actions/checkout@v4

    - uses: actions/download-artifact@v4
      with:
        name: una-package
        path: packages

    - name: Prepare artefact
      run: |
        mkdir -p deploy
        unzip -q packages/*.zip -d /tmp/una-pkg
        pkg_dir=$(find /tmp/una-pkg -mindepth 1 -maxdepth 1 -type d | head -n 1)
        cp -a "$pkg_dir"/. deploy/
        cp scripts/railway/Dockerfile scripts/railway/entrypoint.sh scripts/railway/railway.toml scripts/railway/.railwayignore \
          scripts/railway/configure.php scripts/railway/seed.php deploy/
        chmod +x deploy/entrypoint.sh

    - uses: ./.github/actions/railway-cli

    - name: Configure production
      run: |
        if [ -z "$RAILWAY_API_TOKEN" ] || [ -z "$RAILWAY_PROJECT_ID" ]; then
          echo "Set secrets RAILWAY_API_TOKEN (account token) and RAILWAY_PROJECT_ID" >&2
          exit 1
        fi
        railway link --project "$RAILWAY_PROJECT_ID" --environment "$RAILWAY_ENVIRONMENT" --json
        # Database credentials and UNA_HASH_SECRET live in the Railway environment, not here.
        railway variable set --service una --environment "$RAILWAY_ENVIRONMENT" --skip-deploys \
          UNA_CLIENT_URL=https://unacms.app \
          ${UNA_API_KEY:+UNA_API_KEY="$UNA_API_KEY"}

    - name: Deploy artefact
      run: railway up ./deploy --path-as-root --no-gitignore --verbose --ci --service una --environment "$RAILWAY_ENVIRONMENT" --project "$RAILWAY_PROJECT_ID"

    - name: api.unacms.app DNS
      if: env.VERCEL_TOKEN != ''
      run: scripts/railway/domains.sh railway-domain api.unacms.app "$RAILWAY_ENVIRONMENT" una

    - name: Smoke test
      # A fresh production install takes about 4 minutes; allow 10.
      run: |
        for i in $(seq 1 60); do
          code=$(curl -s -o /dev/null -w '%{http_code}' https://api.unacms.app/ || true)
          [ "$code" = "200" ] && { echo "api.unacms.app is up"; exit 0; }
          # Until the certificate is issued, check the Railway hostname instead.
          host=$(railway domain list --service una --environment "$RAILWAY_ENVIRONMENT" --json | jq -r '.domains[] | select(.type == "service") | .domain' | head -n1)
          if [ -n "$host" ] && [ "$(curl -s -o /dev/null -w '%{http_code}' "https://${host#https://}/" || true)" = "200" ]; then
            echo "up at https://$host (api.unacms.app answered $code; certificate may still be pending)"
            exit 0
          fi
          sleep 10
        done
        echo "UNA did not come up" >&2
        exit 1

  deploy-production-neo:
    # The NEO web client for unacms.app. NEO_PRODUCTION_HOST (a repository variable) is the
    # public host; until it is set, the client is only on its Railway domain.
    name: Deploy master to Railway (neo)
    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    concurrency:
      group: railway-production-neo
      cancel-in-progress: false
    environment:
      name: production-neo
      url: ${{ steps.urls.outputs.app_url }}
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_ENVIRONMENT: production
      VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
      VERCEL_TEAM: yasko
      NEO_PRODUCTION_HOST: ${{ vars.NEO_PRODUCTION_HOST }}
    steps:
    - uses: actions/checkout@v4

    - uses: ./.github/actions/railway-cli

    - name: Configure neo
      id: urls
      run: |
        railway link --project "$RAILWAY_PROJECT_ID" --environment "$RAILWAY_ENVIRONMENT" --json
        railway domain --service neo --environment "$RAILWAY_ENVIRONMENT" || true
        neo_host=$(railway domain list --service neo --environment "$RAILWAY_ENVIRONMENT" --json | jq -r '.domains[] | select(.type == "service") | .domain' | head -n1)
        neo_host=${neo_host#https://}
        [ -n "$neo_host" ] || { echo "No Railway domain for neo" >&2; exit 1; }
        app_url="https://${NEO_PRODUCTION_HOST:-$neo_host}"
        scripts/railway/neo.sh vars "$RAILWAY_ENVIRONMENT" https://api.unacms.app "$app_url"
        echo "app_url=$app_url" >> "$GITHUB_OUTPUT"
        echo "neo_url=https://$neo_host" >> "$GITHUB_OUTPUT"

    - name: Deploy NEO
      run: |
        scripts/railway/neo.sh stage /tmp/deploy-neo
        railway up /tmp/deploy-neo --path-as-root --no-gitignore --verbose --ci --service neo --environment "$RAILWAY_ENVIRONMENT" --project "$RAILWAY_PROJECT_ID"

    - name: Production host DNS
      if: env.NEO_PRODUCTION_HOST != '' && env.VERCEL_TOKEN != ''
      run: scripts/railway/domains.sh railway-domain "$NEO_PRODUCTION_HOST" "$RAILWAY_ENVIRONMENT" neo

    - name: Smoke test
      env:
        NEO_URL: ${{ steps.urls.outputs.neo_url }}
      run: |
        for i in $(seq 1 30); do
          code=$(curl -s -o /dev/null -w '%{http_code}' "$NEO_URL/" || true)
          [ "$code" = "200" ] && { echo "NEO is up at $NEO_URL"; exit 0; }
          sleep 10
        done
        echo "NEO did not answer 200 at $NEO_URL (last: $code)" >&2
        exit 1

  teardown:
    name: Remove PR Railway environment
    if: >-
      github.event_name == 'pull_request' && github.event.action == 'closed'
      && github.event.pull_request.head.repo.full_name == github.repository
      && github.event.pull_request.user.login != 'dependabot[bot]'
    runs-on: ubuntu-latest
    env:
      RAILWAY_API_TOKEN: ${{ secrets.RAILWAY_API_TOKEN }}
      RAILWAY_PROJECT_ID: ${{ secrets.RAILWAY_PROJECT_ID }}
      RAILWAY_BASE_ENVIRONMENT: ${{ secrets.RAILWAY_ENVIRONMENT }}
      RAILWAY_PR_ENVIRONMENT: pr-${{ github.event.pull_request.number }}
      VERCEL_TOKEN: ${{ secrets.VERCEL_TOKEN }}
      VERCEL_TEAM: yasko
      PREVIEW_API_HOST: api-pr-${{ github.event.pull_request.number }}.unacms.app
      PREVIEW_CLIENT_HOST: pr-${{ github.event.pull_request.number }}.unacms.app
    steps:
    - uses: actions/checkout@v4
      with:
        sparse-checkout: |
          .github/actions
          scripts/railway

    - name: Remove preview domains
      if: env.VERCEL_TOKEN != ''
      continue-on-error: true
      run: |
        scripts/railway/domains.sh client-unalias "$PREVIEW_CLIENT_HOST"
        scripts/railway/domains.sh dns-remove "$PREVIEW_CLIENT_HOST"
        scripts/railway/domains.sh dns-remove "$PREVIEW_API_HOST"

    - uses: ./.github/actions/railway-cli

    - name: Delete PR environment
      run: |
        if [ -z "$RAILWAY_API_TOKEN" ] || [ -z "$RAILWAY_PROJECT_ID" ]; then
          echo "Set secrets RAILWAY_API_TOKEN (account token) and RAILWAY_PROJECT_ID" >&2
          exit 1
        fi
        base="${RAILWAY_BASE_ENVIRONMENT:-production}"
        railway link --project "$RAILWAY_PROJECT_ID" --environment "$base" --json
        # The run for the PR's last push is cancelled above (workflow concurrency), so nothing
        # can create the environment after this. A PR closed before its first deploy has none.
        if railway environment delete "$RAILWAY_PR_ENVIRONMENT" -y; then
          echo "Deleted $RAILWAY_PR_ENVIRONMENT"
        else
          echo "No environment $RAILWAY_PR_ENVIRONMENT to delete"
        fi