name: Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release (e.g., 1.0.0)'
        required: true
      dry_run:
        description: 'Dry run (do not publish)'
        required: false
        default: 'true'

env:
  CARGO_TERM_COLOR: always

jobs:
  validate:
    name: Validate Release
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
    steps:
    - uses: actions/checkout@v4

    - name: Extract version
      id: version
      run: |
        if [ "${{ gitea.event_name }}" == "push" ]; then
          VERSION=${GITEA_REF#refs/tags/v}
        else
          VERSION=${{ gitea.event.inputs.version }}
        fi
        echo "version=$VERSION" >> $GITEA_OUTPUT
        echo "Releasing version: $VERSION"

    - uses: dtolnay/rust-toolchain@stable

    - name: Validate Cargo.toml versions
      run: |
        echo "Checking workspace version consistency..."
        cargo metadata --format-version 1 | jq '.packages[] | select(.manifest_path | contains("rustytorch")) | {name: .name, version: .version}' | head -20

    - name: Run tests
      run: cargo test --workspace
      continue-on-error: true

    - name: Check formatting
      run: cargo fmt --all -- --check

  build-artifacts:
    name: Build Release Artifacts
    needs: validate
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
            artifact: rtx-serving-api-linux-x86_64
            ext: ""
          - os: macos-latest
            target: x86_64-apple-darwin
            artifact: rtx-serving-api-macos-x86_64
            ext: ""
          - os: macos-latest
            target: aarch64-apple-darwin
            artifact: rtx-serving-api-macos-arm64
            ext: ""
    steps:
    - uses: actions/checkout@v4

    - uses: dtolnay/rust-toolchain@stable
      with:
        targets: ${{ matrix.target }}

    - uses: Swatinem/rust-cache@v2

    - name: Build release binary
      run: |
        cargo build --release --target ${{ matrix.target }} -p rtx-serving-api 2>/dev/null || \
        cargo build --release -p rtx-serving-api || \
        echo "Build may have failed - continuing"
      continue-on-error: true

    - name: Package artifact
      run: |
        mkdir -p dist
        if [ -f "target/${{ matrix.target }}/release/rtx-serving-api" ]; then
          cp target/${{ matrix.target }}/release/rtx-serving-api dist/${{ matrix.artifact }}
        elif [ -f "target/release/rtx-serving-api" ]; then
          cp target/release/rtx-serving-api dist/${{ matrix.artifact }}
        fi
        if [ -f "dist/${{ matrix.artifact }}" ]; then
          chmod +x dist/${{ matrix.artifact }}
          tar -czvf dist/${{ matrix.artifact }}.tar.gz -C dist ${{ matrix.artifact }}
        fi
      continue-on-error: true

    - name: Upload artifact
      uses: actions/upload-artifact@v4
      with:
        name: ${{ matrix.artifact }}
        path: |
          dist/*.tar.gz
        if-no-files-found: warn

  create-release:
    name: Create Gitea Release
    needs: [validate, build-artifacts]
    runs-on: ubuntu-latest
    if: gitea.event_name == 'push' || gitea.event.inputs.dry_run == 'false'
    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Download all artifacts
      uses: actions/download-artifact@v4
      with:
        path: artifacts

    - name: Create Release via Gitea API
      env:
        GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
      run: |
        VERSION="${{ needs.validate.outputs.version }}"
        GITEA_URL="${GITEA_SERVER_URL:-https://your-gitea-instance.com}"
        REPO="${{ gitea.repository }}"

        curl -X POST "${GITEA_URL}/api/v1/repos/${REPO}/releases" \
          -H "Authorization: token ${GITEA_TOKEN}" \
          -H "Content-Type: application/json" \
          -d "{
            \"tag_name\": \"v${VERSION}\",
            \"name\": \"RustyTorch++ v${VERSION}\",
            \"body\": \"Release v${VERSION}\",
            \"draft\": false,
            \"prerelease\": false
          }"

  publish-crates:
    name: Publish to Kellnr
    needs: [validate, create-release]
    runs-on: ubuntu-latest
    if: false  # Disabled by default - enable when ready
    steps:
    - uses: actions/checkout@v4
    - uses: dtolnay/rust-toolchain@stable

    - name: Publish crates to Kellnr
      env:
        CARGO_REGISTRIES_KELLNR_TOKEN: ${{ secrets.KELLNR_TOKEN }}
      run: |
        for crate in rtx-tensor rtx-autograd rtx-inference rtx-serving-api; do
          echo "Publishing $crate to Kellnr..."
          cargo publish -p $crate --registry kellnr || true
          sleep 10
        done