name: Release

# Publish a mod build on every version tag. Every release carries both a
# versioned jar and a stable `lovisual.jar`, so the site's one-click download
# link (releases/latest/download/lovisual.jar) always resolves.

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 25
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '25'

      - name: Grant the Gradle wrapper the exec bit
        working-directory: mod
        run: chmod +x ./gradlew

      - name: Build the mod
        working-directory: mod
        run: ./gradlew --no-daemon build

      - name: Collect the remapped jar
        id: jar
        run: |
          set -euo pipefail
          version="${GITHUB_REF_NAME#v}"
          jar="$(find mod/build/libs -maxdepth 1 -type f -name '*.jar' \
            ! -name '*-sources.jar' ! -name '*-javadoc.jar' \
            -printf '%s %p\n' | sort -rn | head -1 | cut -d' ' -f2-)"
          test -n "$jar"
          cp "$jar" lovisual-"$version".jar
          cp "$jar" lovisual.jar
          echo "version=$version" >>"$GITHUB_OUTPUT"
          echo "Packaged $jar as lovisual-$version.jar and lovisual.jar"

      - name: Publish the GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ github.ref_name }}
          generate_release_notes: true
          files: |
            lovisual-${{ steps.jar.outputs.version }}.jar
            lovisual.jar