name: MindSift CI & Docker Release

on:
  push:
    branches:
      - '**'
    tags:
      - '*'
  pull_request:
    branches:
      - main

jobs:
  test:
    name: Lint, Build & Unit Tests
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.23'

      - name: Run Backend Lint & Unit Tests
        run: |
          go mod tidy
          go vet ./...
          go test -v ./...

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '22'

      - name: Typecheck & Build Frontend
        run: |
          cd frontend
          npm install --no-audit --no-fund
          npx tsc --noEmit
          npm run build

  build-docker:
    name: Build & Push Docker Image
    needs: test
    runs-on: ubuntu-latest
    # Auf 'main' werden nur Tests ausgeführt — gebaut & gepusht wird nur bei Tags oder Test-/RC-Branches
    if: github.event_name == 'push' && github.ref != 'refs/heads/main'
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Determine Registry & Docker Tag
        id: prep
        run: |
          SERVER_URL="${GITHUB_SERVER_URL:-https://git.dsit.me}"
          REGISTRY_HOST=$(echo "${SERVER_URL}" | sed -E 's#^https?://##' | sed 's#/$##')
          if [ -z "${REGISTRY_HOST}" ]; then
            REGISTRY_HOST="git.dsit.me"
          fi

          REPO_PATH="${GITHUB_REPOSITORY:-sandrodach/mindsift}"
          IMAGE_NAME=$(echo "${REGISTRY_HOST}/${REPO_PATH}" | tr '[:upper:]' '[:lower:]')
          REF_NAME="${GITHUB_REF_NAME:-latest}"
          ACTOR_NAME="${GITHUB_ACTOR:-sandrodach}"

          # Ersetze evtl. Slashes in Branch-Namen (z.B. rc/1.1 -> rc-1.1) für valide Docker-Tags
          DOCKER_TAG=$(echo "${REF_NAME}" | sed 's#/#-#g' | tr '[:upper:]' '[:lower:]')

          echo "registry=${REGISTRY_HOST}" >> "$GITHUB_OUTPUT"
          echo "image=${IMAGE_NAME}" >> "$GITHUB_OUTPUT"
          echo "tag=${DOCKER_TAG}" >> "$GITHUB_OUTPUT"
          echo "actor=${ACTOR_NAME}" >> "$GITHUB_OUTPUT"
          echo "Building Docker image: ${IMAGE_NAME}:${DOCKER_TAG} (Registry: ${REGISTRY_HOST}, Actor: ${ACTOR_NAME})"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Gitea Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ steps.prep.outputs.registry }}
          username: ${{ steps.prep.outputs.actor }}
          password: ${{ secrets.PUSH_TOKEN || secrets.GITEA_TOKEN || github.token }}

      - name: Build and Push Multi-Arch Image
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: |
            ${{ steps.prep.outputs.image }}:${{ steps.prep.outputs.tag }}