name: Server CI/CD

on:
  push:
    branches:
      - "main"
    paths:
      - "server/**"
      - "common/**"
  pull_request:
    branches:
      - "main"
    paths:
      - "server/**"
      - "common/**"
  workflow_dispatch:

concurrency:
  group: "seeds-lock-${{ github.sha }}"
  cancel-in-progress: false

jobs:
  test:
    runs-on: ubuntu-latest
    env:
      NODE_ENV: "test"
    steps:
      - uses: actions/checkout@v3

      - uses: pnpm/action-setup@v4
        with:
          version: 8.15.6

      - uses: actions/setup-node@v3
        with:
          node-version: 20
          cache: pnpm

      - name: Install dependencies
        run: pnpm --filter tachi-server... --filter . install

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

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

        # configure external dbs
      - uses: supercharge/mongodb-github-action@1.4.1
      - uses: supercharge/redis-github-action@1.1.0

      - name: Run tests
        run: pnpm --filter tachi-server test
        env:
          NODE_ENV: "test"
          PORT: 8080
          MONGO_URL: "127.0.0.1"
          REDIS_URL: "127.0.0.1"

  docker-push:
    runs-on: ubuntu-latest
    needs: [test]
    defaults:
      run:
        working-directory: ./server
    if: ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Docker Hub login
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_TOKEN }}

      - name: Commit Hash
        run: 'echo "SHORT_SHA=$(git rev-parse --short HEAD)" >> $GITHUB_ENV'

      - name: Docker Tag
        if: github.ref == 'refs/heads/main'
        run: 'echo "DOCKER_TAG=stable" >> $GITHUB_ENV'

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v3
        with:
          context: ./
          push: true
          tags: ${{ secrets.DOCKER_USERNAME }}/tachi-server:${{ env.DOCKER_TAG }}
          file: ./Dockerfile.server
          build-args: |
            COMMIT_HASH=${{ env.SHORT_SHA }}
          cache-from: type=gha,scope=$GITHUB_REF_NAME-server
          cache-to: type=gha,mode=max,scope=$GITHUB_REF_NAME-server

      - name: Image digest
        run: echo ${{ steps.docker_build.outputs.digest }}

  deploy:
    runs-on: ubuntu-latest
    needs: [test, docker-push]
    if: ${{ github.event_name == 'push' || github.event_name == 'workflow_dispatch' }}
    steps:
      - name: Enable SSH Key
        run: |
          mkdir -p ~/.ssh
          echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
          sudo chmod 600 ~/.ssh/id_rsa
          echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
        env:
          SSH_PRIVATE_KEY: ${{secrets.SSH_PRIVATE_KEY}}
          SSH_KNOWN_HOSTS: ${{secrets.SSH_KNOWN_HOSTS}}

      - name: Deploy updates
        run: ssh ci@"$TACHI_HOST" /home/ci/tachi-devops/scripts/deploy_server.sh
        env:
          TACHI_HOST: ${{secrets.TACHI_HOST}}