name: CI

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]

concurrency:
  group: ${{ gitea.workflow }}-${{ gitea.ref }}
  cancel-in-progress: true

jobs:
  changes:
    runs-on: ubuntu-latest
    outputs:
      apps: ${{ steps.filter.outputs.apps }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - run: apt-get update && apt-get install -y jq

      - name: Detect changed apps
        id: filter
        run: |
          if [ "${{ gitea.event_name }}" = "pull_request" ]; then
            CHANGED=$(git diff --name-only origin/main...HEAD)
          else
            CHANGED=$(git diff --name-only HEAD~1)
          fi
          APPS="[]"
          for app in web api harness; do
            if echo "$CHANGED" | grep -qE "^(apps/${app}/|packages/)"; then
              APPS=$(echo "$APPS" | jq -c ". + [\"${app}\"]")
            fi
          done
          echo "apps=$APPS" >> "$GITHUB_OUTPUT"

  lint-and-test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - run: corepack enable && corepack prepare pnpm@latest --activate

      - run: pnpm install --frozen-lockfile

      - run: pnpm turbo lint test

  build:
    needs: [changes, lint-and-test]
    runs-on: ubuntu-latest
    if: needs.changes.outputs.apps != '[]'
    strategy:
      matrix:
        app: ${{ fromJson(needs.changes.outputs.apps) }}
    steps:
      - uses: actions/checkout@v4

      - run: corepack enable && corepack prepare pnpm@latest --activate

      - run: pnpm install --frozen-lockfile

      - run: pnpm turbo build --filter=@homelab/${{ matrix.app }}

      - name: Build Docker image
        run: |
          docker build \
            -t gitea.coreworlds.io/lazorgurl/homelab-${{ matrix.app }}:${{ gitea.sha }} \
            -t gitea.coreworlds.io/lazorgurl/homelab-${{ matrix.app }}:pr-${{ gitea.event.number }} \
            apps/${{ matrix.app }}

      - name: Push to registry
        if: gitea.event_name == 'push' || gitea.event_name == 'pull_request'
        run: |
          echo "${{ gitea.token }}" | docker login gitea.coreworlds.io -u ${{ gitea.actor }} --password-stdin
          docker push gitea.coreworlds.io/lazorgurl/homelab-${{ matrix.app }}:${{ gitea.sha }}