name: Build Sidecar (Linux)

on:
  workflow_dispatch:
    inputs:
      tag:
        description: 'Sidecar release tag to build (e.g. sidecar-v1.0.3)'
        required: true

jobs:
  build-sidecar-linux:
    name: Build Sidecar (Linux)
    runs-on: ubuntu-latest
    env:
      PYTHON_VERSION: "3.11"
      RELEASE_TAG: "${{ inputs.tag }}"
    steps:
      - name: Show tag
        run: |
          echo "Building for tag: ${RELEASE_TAG}"

      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.tag }}

      - name: Install uv
        run: |
          if command -v uv &> /dev/null; then
            echo "uv already installed: $(uv --version)"
          else
            curl -LsSf https://astral.sh/uv/install.sh | sh
            echo "$HOME/.local/bin" >> $GITHUB_PATH
          fi

      - name: Set up Python
        run: uv python install ${{ env.PYTHON_VERSION }}

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y portaudio19-dev

      - name: Build sidecar (CUDA)
        run: |
          uv sync --frozen || uv sync
          uv run pyinstaller local-transcription-headless.spec

      - name: Package sidecar (CUDA)
        run: |
          cd dist/local-transcription-backend && zip -r ../../sidecar-linux-x86_64-cuda.zip .

      - name: Build sidecar (CPU)
        run: |
          rm -rf dist/local-transcription-backend build/
          uv pip install torch torchaudio --index-url https://download.pytorch.org/whl/cpu --force-reinstall
          # Run pyinstaller directly from venv to prevent uv run from
          # re-resolving torch back to the CUDA version via pyproject.toml sources
          .venv/bin/pyinstaller local-transcription-headless.spec

      - name: Package sidecar (CPU)
        run: |
          cd dist/local-transcription-backend && zip -r ../../sidecar-linux-x86_64-cpu.zip .

      - name: Upload to sidecar release
        env:
          BUILD_TOKEN: ${{ secrets.BUILD_TOKEN }}
        run: |
          sudo apt-get install -y jq
          REPO_API="${GITHUB_SERVER_URL}/api/v1/repos/${GITHUB_REPOSITORY}"
          TAG="${RELEASE_TAG}"

          echo "Waiting for sidecar release ${TAG} to be available..."
          for i in $(seq 1 30); do
            RELEASE_JSON=$(curl -s -H "Authorization: token ${BUILD_TOKEN}" \
              "${REPO_API}/releases/tags/${TAG}")
            RELEASE_ID=$(echo "$RELEASE_JSON" | jq -r '.id // empty')

            if [ -n "${RELEASE_ID}" ] && [ "${RELEASE_ID}" != "null" ]; then
              echo "Found sidecar release: ${TAG} (ID: ${RELEASE_ID})"
              break
            fi

            echo "Attempt ${i}/30: Release not ready yet, retrying in 10s..."
            sleep 10
          done

          if [ -z "${RELEASE_ID}" ] || [ "${RELEASE_ID}" = "null" ]; then
            echo "ERROR: Failed to find sidecar release for tag ${TAG} after 30 attempts."
            exit 1
          fi

          for file in sidecar-*.zip; do
            filename=$(basename "$file")
            encoded_name=$(echo "$filename" | sed 's/ /%20/g')
            echo "Uploading ${filename} ($(du -h "$file" | cut -f1))..."

            ASSET_ID=$(curl -s -H "Authorization: token ${BUILD_TOKEN}" \
              "${REPO_API}/releases/${RELEASE_ID}/assets" | jq -r ".[] | select(.name == \"${filename}\") | .id // empty")
            if [ -n "${ASSET_ID}" ]; then
              curl -s -X DELETE -H "Authorization: token ${BUILD_TOKEN}" \
                "${REPO_API}/releases/${RELEASE_ID}/assets/${ASSET_ID}"
            fi

            HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" -X POST \
              -H "Authorization: token ${BUILD_TOKEN}" \
              -H "Content-Type: application/octet-stream" \
              -T "$file" \
              "${REPO_API}/releases/${RELEASE_ID}/assets?name=${encoded_name}")
            echo "Upload response: HTTP ${HTTP_CODE}"
          done