name: Server CI/CD

on:
  push:
    branches:
      - "main"
    paths:
      - "typescript/server/**"
      - "typescript/common/**"
      - "typescript/db/**"
      - "typescript/db-migration-engine/**"
      - "docker/**"
      - "db/migrations/**"
      - ".github/workflows/server.yml"
  pull_request:
    branches:
      - "main"
    paths:
      - "typescript/server/**"
      - "typescript/common/**"
      - "typescript/db/**"
      - "typescript/db-migration-engine/**"
      - "docker/**"
      - "db/migrations/**"
      - ".github/workflows/server.yml"
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: "server-${{ github.ref }}-${{ github.workflow }}"
  cancel-in-progress: false

jobs:
  test:
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/zkldi/tachi-dev:main
      options: --user root
    env:
      NODE_ENV: "test"
    services:
      tachi-postgres:
        image: postgres:18
        env:
          POSTGRES_USER: tachi
          POSTGRES_PASSWORD: tachi
          POSTGRES_DB: postgres
        options: >-
          --health-cmd "pg_isready -U tachi"
          --health-interval 5s
          --health-timeout 5s
          --health-retries 10
      tachi-redis:
        image: redis:7.4-alpine
        options: >-
          --health-cmd "redis-cli ping"
          --health-interval 5s
          --health-timeout 5s
          --health-retries 10
      tachi-s3:
        image: quay.io/minio/minio:RELEASE.2024-10-29T16-01-48Z
        env:
          MINIO_ROOT_USER: minio
          MINIO_ROOT_PASSWORD: password
        entrypoint: /usr/bin/minio
        command: server /data --console-address=:9001
        options: >-
          --health-cmd "curl -f http://localhost:9000/minio/health/live"
          --health-interval 5s
          --health-timeout 5s
          --health-retries 10
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          persist-credentials: false

      - name: Link workspace to /tachi
        # tachidb, just recipes, and .env.test all assume the repo lives at /tachi.
        # GHA mounts the workspace elsewhere, so we replace the empty /tachi dir
        # (created by the image's WORKDIR) with a symlink to the real checkout.
        run: rm -rf /tachi && ln -sf "$GITHUB_WORKSPACE" /tachi

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Lint code
        run: bun run --filter tachi-server lint

      - name: Typecheck code
        run: bun run --filter tachi-server typecheck

      - name: Run tests
        run: bun run --filter tachi-server test
        env:
          NODE_ENV: "test"
          PORT: 8080

  docker-push:
    runs-on: ubuntu-latest
    needs: [test]
    if: ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' }}
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          persist-credentials: false

      - name: Log in to GHCR
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1

      - name: Read server package version
        id: server_version
        run: |
          echo "version=$(jq -r .version typescript/server/package.json)" >> "$GITHUB_OUTPUT"

      - name: Build and push unified server image
        uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
        with:
          context: .
          file: docker/Dockerfile.server
          target: prod
          push: ${{ github.ref == 'refs/heads/main' }}
          provenance: true
          sbom: true
          tags: |
            ghcr.io/zkldi/tachi:${{ github.sha }}
            ghcr.io/zkldi/tachi:main
            ghcr.io/zkldi/tachi:latest
          build-args: |
            VERSION=${{ steps.server_version.outputs.version }}
            COMMIT_HASH=${{ github.sha }}
          cache-from: type=gha,scope=server-${{ github.ref_name }}
          cache-to: type=gha,mode=max,scope=server-${{ github.ref_name }}

  deploy:
    runs-on: ubuntu-latest
    needs: [test, docker-push]
    if: ${{ github.ref == 'refs/heads/main' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch') }}
    strategy:
      fail-fast: false
      max-parallel: 1
      matrix:
        destination: [boku, kamai, dev]
    permissions:
      contents: read
    steps:
      - name: Enable SSH
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          SSH_KNOWN_HOSTS: ${{ secrets.SSH_KNOWN_HOSTS }}
        run: |
          mkdir -p ~/.ssh
          printf '%s' "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          printf '%s' "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts

      - name: Deploy on server
        env:
          TACHI_HOST: ${{ secrets.TACHI_HOST }}
        run: ssh "ci@${TACHI_HOST}" "/home/ci/tachi-deploy/swarm/deploy-server.sh ${{ matrix.destination }} ${{ github.sha }}"