name: Release

on:
  push:
    tags:
      - 'v*'

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test before release
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: crates/predict-otron-9000
    strategy:
      fail-fast: false
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Setup Rust
        run: rustup update stable && rustup default stable

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2

      - name: Install clippy and rustfmt
        run: rustup component add clippy rustfmt

      - name: Cargo fmt (check)
        run: cargo fmt --all -- --check

      - name: Clippy
        shell: bash
        run: cargo clippy --all-targets

      - name: Tests
        shell: bash
        run: cargo test --all

#  publish:
#    name: Publish to crates.io
#    runs-on: ubuntu-latest
#    permissions:
#      id-token: write # Required for OIDC token exchange https://crates.io/docs/trusted-publishing
#    needs: test
#    defaults:
#      run:
#        working-directory: crates/predict-otron-9000
#    steps:
#      - name: Checkout
#        uses: actions/checkout@v4
#
#      - uses: actions/cache@v4
#        with:
#          path: |
#            ~/.cargo/bin/
#            ~/.cargo/registry/index/
#            ~/.cargo/registry/cache/
#            ~/.cargo/git/db/
#            target/
#          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
#
#      - name: Setup Rust
#        run: rustup update stable && rustup default stable
#
#      - name: Verify tag matches version
#        run: |
#          TAG_VERSION=${GITHUB_REF#refs/tags/v}
#          CARGO_VERSION=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
#          if [ "$TAG_VERSION" != "$CARGO_VERSION" ]; then
#            echo "Tag version ($TAG_VERSION) does not match Cargo.toml version ($CARGO_VERSION)"
#            exit 1
#          fi
#
#      # See Trusted publishing: https://crates.io/docs/trusted-publishing
#      - uses: rust-lang/crates-io-auth-action@v1
#        id: auth
#
#      - run: cargo publish
#        env:
#          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}

  build-binaries:
    name: Build binaries
    runs-on: ${{ matrix.os }}
    needs: test
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
            name: predict-otron-9000-x86_64-unknown-linux-gnu
          - target: x86_64-apple-darwin
            os: macos-latest
            name: predict-otron-9000-x86_64-apple-darwin
          - target: aarch64-apple-darwin
            os: macos-latest
            name: predict-otron-9000-aarch64-apple-darwin
          - target: x86_64-pc-windows-msvc
            os: windows-latest
            name: predict-otron-9000-x86_64-pc-windows-msvc.exe
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-${{ matrix.target }}-cargo-${{ hashFiles('**/Cargo.lock') }}

      - name: Setup Rust
        run: rustup update stable && rustup default stable

      - name: Add target
        run: rustup target add ${{ matrix.target }}

      - name: Build binary
        run: cargo build --release --target ${{ matrix.target }} -p predict-otron-9000 -p cli
        env:
          CARGO_TERM_COLOR: always

      - name: Package binary (Unix)
        if: matrix.os != 'windows-latest'
        run: |
          cd target/${{ matrix.target }}/release
          tar czf ../../../${{ matrix.name }}.tar.gz predict-otron-9000 cli
          cd ../../../

      - name: Package binary (Windows)
        if: matrix.os == 'windows-latest'
        run: |
          cd target/${{ matrix.target }}/release
          7z a ../../../${{ matrix.name }}.zip predict-otron-9000.exe cli.exe
          cd ../../../

      - name: Upload binary artifacts (Unix)
        if: matrix.os != 'windows-latest'
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.name }}
          path: ${{ matrix.name }}.tar.gz

      - name: Upload binary artifacts (Windows)
        if: matrix.os == 'windows-latest'
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.name }}
          path: ${{ matrix.name }}.zip

  release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    needs: [test, build-binaries]
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract tag name
        id: tag
        run: echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

      - name: Generate changelog
        id: changelog
        run: |
          # Get the previous tag
          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          
          # Generate changelog
          if [ -n "$PREV_TAG" ]; then
            echo "## What's Changed" > changelog.md
            echo "" >> changelog.md
            git log --pretty=format:"* %s (%h)" ${PREV_TAG}..HEAD >> changelog.md
            echo "" >> changelog.md
            echo "" >> changelog.md
            echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${PREV_TAG}...${{ steps.tag.outputs.tag }}" >> changelog.md
          else
            echo "## What's Changed" > changelog.md
            echo "" >> changelog.md
            echo "Initial release of predict-otron-9000" >> changelog.md
            echo "" >> changelog.md
            echo "OpenAI Compatible Inference Server" >> changelog.md
          fi
          
          # Set the changelog as output (handle multiline)
          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          cat changelog.md >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

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

      - name: Create Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          if [[ "${{ steps.tag.outputs.tag }}" == *"-"* ]]; then
            PRERELEASE_FLAG="--prerelease"
          else
            PRERELEASE_FLAG=""
          fi
          
          gh release create "${{ steps.tag.outputs.tag }}" \
            --title "Release ${{ steps.tag.outputs.tag }}" \
            --notes-file changelog.md \
            $PRERELEASE_FLAG \
            artifacts/predict-otron-9000-x86_64-unknown-linux-gnu/predict-otron-9000-x86_64-unknown-linux-gnu.tar.gz \
            artifacts/predict-otron-9000-x86_64-apple-darwin/predict-otron-9000-x86_64-apple-darwin.tar.gz \
            artifacts/predict-otron-9000-aarch64-apple-darwin/predict-otron-9000-aarch64-apple-darwin.tar.gz \
            artifacts/predict-otron-9000-x86_64-pc-windows-msvc.exe/predict-otron-9000-x86_64-pc-windows-msvc.exe.zip