name: CI

on:
  push:
    branches: ["**"]
    tags: ["v*"]
  pull_request:
    branches: [main]

env:
  CARGO_INCREMENTAL: "0"
  RUSTC_WRAPPER: sccache
  SCCACHE_BUCKET: sccache
  SCCACHE_ENDPOINT: http://caveman.kosherinata.internal:9000
  SCCACHE_REGION: auto
  SCCACHE_S3_USE_SSL: "false"
  AWS_ACCESS_KEY_ID: ${{ secrets.SCCACHE_S3_ACCESS_KEY }}
  AWS_SECRET_ACCESS_KEY: ${{ secrets.SCCACHE_S3_SECRET_KEY }}

jobs:
  check:
    name: Format, lint, build, test
    runs-on: fedora
    steps:
      - uses: actions/checkout@v4

      - name: Cache cargo registry and target
        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') }}
          restore-keys: |
            ${{ runner.os }}-cargo-

      - name: Ensure sccache with S3 support
        env:
          RUSTC_WRAPPER: ""
        run: |
          if sccache --version 2>/dev/null && sccache --show-stats 2>/dev/null; then
            echo "sccache with S3 support already installed"
          else
            cargo install sccache --features s3 --locked
          fi

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

      - name: Clippy
        run: cargo clippy --workspace -- -D warnings

      - name: Test
        run: cargo test --workspace

      - name: Show sccache stats
        run: sccache --show-stats

  srpm-cortex:
    name: Build cortex SRPM
    runs-on: fedora
    needs: check
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine version
        id: version
        run: |
          VERSION="${GITHUB_REF#refs/tags/v}"
          echo "VERSION=${VERSION}" >> "$GITHUB_OUTPUT"

      - name: Stamp version
        run: |
          VERSION="${{ steps.version.outputs.VERSION }}"
          sed -i '/\[workspace\.package\]/,/\[/{ s/^version = ".*"/version = "'"${VERSION}"'"/ }' Cargo.toml
          sed -i "s/^Version:.*/Version:        ${VERSION}/" cortex.spec

      - name: Generate changelog entry
        run: bash .gitea/scripts/generate-rpm-changelog.sh cortex.spec "${{ steps.version.outputs.VERSION }}"

      - name: Generate source tarball
        run: |
          set -ex
          VERSION="${{ steps.version.outputs.VERSION }}"
          tar czf /tmp/cortex-${VERSION}.tar.gz \
            --transform "s,^\.,cortex-${VERSION}," \
            --exclude='./target' \
            --exclude='./.git' \
            --exclude='*.tar.gz' \
            --exclude='*.src.rpm' \
            .
          mv /tmp/cortex-${VERSION}.tar.gz .

      - name: Vendor Rust dependencies
        run: |
          VERSION="${{ steps.version.outputs.VERSION }}"
          cargo vendor vendor/
          tar czf cortex-${VERSION}-vendor.tar.gz vendor/
          rm -rf vendor/

      - name: Build SRPM
        run: |
          rpmbuild -bs cortex.spec \
            --define "_sourcedir $(pwd)" \
            --define "_srcrpmdir $(pwd)"

      - name: Upload SRPM artifact
        uses: actions/upload-artifact@v3
        with:
          name: srpm-cortex
          path: "*.src.rpm"

  srpm-neuron:
    name: Build neuron SRPM
    runs-on: fedora
    needs: check
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine version
        id: version
        run: |
          VERSION="${GITHUB_REF#refs/tags/v}"
          echo "VERSION=${VERSION}" >> "$GITHUB_OUTPUT"

      - name: Stamp version
        run: |
          VERSION="${{ steps.version.outputs.VERSION }}"
          sed -i '/\[workspace\.package\]/,/\[/{ s/^version = ".*"/version = "'"${VERSION}"'"/ }' Cargo.toml
          sed -i "s/^Version:.*/Version:        ${VERSION}/" neuron.spec

      - name: Generate changelog entry
        run: bash .gitea/scripts/generate-rpm-changelog.sh neuron.spec "${{ steps.version.outputs.VERSION }}"

      - name: Generate source tarball
        run: |
          set -ex
          VERSION="${{ steps.version.outputs.VERSION }}"
          tar czf /tmp/neuron-${VERSION}.tar.gz \
            --transform "s,^\.,neuron-${VERSION}," \
            --exclude='./target' \
            --exclude='./.git' \
            --exclude='*.tar.gz' \
            --exclude='*.src.rpm' \
            .
          mv /tmp/neuron-${VERSION}.tar.gz .

      - name: Vendor Rust dependencies
        run: |
          VERSION="${{ steps.version.outputs.VERSION }}"
          cargo vendor vendor/
          tar czf neuron-${VERSION}-vendor.tar.gz vendor/
          rm -rf vendor/

      - name: Build SRPM
        run: |
          rpmbuild -bs neuron.spec \
            --define "_sourcedir $(pwd)" \
            --define "_srcrpmdir $(pwd)"

      - name: Upload SRPM artifact
        uses: actions/upload-artifact@v3
        with:
          name: srpm-neuron
          path: "*.src.rpm"

  copr-cortex:
    name: Publish cortex to COPR
    runs-on: fedora
    needs: srpm-cortex
    steps:
      - name: Download SRPM
        uses: actions/download-artifact@v3
        with:
          name: srpm-cortex

      - name: Publish to COPR
        uses: https://git.lair.cafe/actions/copr-publish@v1
        with:
          project: helexa/cortex
          srpm: "*.src.rpm"
          copr-config: ${{ secrets.COPR_CONFIG }}

  copr-neuron:
    name: Publish neuron to COPR
    runs-on: fedora
    needs: srpm-neuron
    steps:
      - name: Download SRPM
        uses: actions/download-artifact@v3
        with:
          name: srpm-neuron

      - name: Publish to COPR
        uses: https://git.lair.cafe/actions/copr-publish@v1
        with:
          project: helexa/neuron
          srpm: "*.src.rpm"
          copr-config: ${{ secrets.COPR_CONFIG }}

  bump-version:
    name: Bump version in source
    runs-on: fedora
    needs: [copr-cortex, copr-neuron]
    steps:
      - uses: actions/checkout@v4

      - name: Stamp version and push
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          VERSION="${GITHUB_REF#refs/tags/v}"
          sed -i '/\[workspace\.package\]/,/\[/{ s/^version = ".*"/version = "'"${VERSION}"'"/ }' Cargo.toml
          sed -i "s/^Version:.*/Version:        ${VERSION}/" cortex.spec
          sed -i "s/^Version:.*/Version:        ${VERSION}/" neuron.spec
          cargo check --workspace 2>/dev/null || true
          git config user.name "Gitea Actions"
          git config user.email "actions@git.lair.cafe"
          git add Cargo.toml Cargo.lock cortex.spec neuron.spec
          if git diff --cached --quiet; then
            echo "Version already at ${VERSION}"
          else
            git commit -m "chore: bump version to ${VERSION}"
            git remote set-url origin "https://gitea-actions:${GITEA_TOKEN}@git.lair.cafe/helexa/cortex.git"
            git push origin HEAD:main
          fi