name: Release

on:
  release:
    types:
      - published
  workflow_dispatch:
    inputs:
      tag_name:
        description: Git tag to release, for example v1.0.0
        required: true
        type: string
      release_name:
        description: Optional release title
        required: false
        type: string
      prerelease:
        description: Mark the release as prerelease when creating it from workflow_dispatch
        required: false
        default: false
        type: boolean

permissions:
  contents: write

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Java 21
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "21"

      - name: Set up Gradle caching
        uses: gradle/actions/setup-gradle@v4

      - name: Make Gradle wrapper executable
        run: chmod +x ./gradlew

      - name: Build mod
        run: ./gradlew build -Dorg.gradle.java.home="$JAVA_HOME" -Dorg.gradle.java.installations.paths="$JAVA_HOME"

      - name: Resolve release metadata
        id: metadata
        shell: bash
        run: |
          if [[ "${{ github.event_name }}" == "release" ]]; then
            echo "tag=${{ github.event.release.tag_name }}" >> "$GITHUB_OUTPUT"
            echo "name=${{ github.event.release.name }}" >> "$GITHUB_OUTPUT"
            echo "prerelease=${{ github.event.release.prerelease }}" >> "$GITHUB_OUTPUT"
          else
            echo "tag=${{ inputs.tag_name }}" >> "$GITHUB_OUTPUT"
            echo "name=${{ inputs.release_name }}" >> "$GITHUB_OUTPUT"
            echo "prerelease=${{ inputs.prerelease }}" >> "$GITHUB_OUTPUT"
          fi

      - name: Create release when started manually
        if: github.event_name == 'workflow_dispatch'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG_NAME: ${{ steps.metadata.outputs.tag }}
          RELEASE_NAME: ${{ steps.metadata.outputs.name }}
          PRERELEASE: ${{ steps.metadata.outputs.prerelease }}
        shell: bash
        run: |
          if gh release view "$TAG_NAME" > /dev/null 2>&1; then
            exit 0
          fi

          title="$RELEASE_NAME"
          if [[ -z "$title" ]]; then
            title="$TAG_NAME"
          fi

          args=("$TAG_NAME" "--title" "$title" "--generate-notes")
          if [[ "$PRERELEASE" == "true" ]]; then
            args+=("--prerelease")
          fi

          gh release create "${args[@]}"

      - name: Collect release jars
        id: jars
        shell: bash
        run: |
          shopt -s nullglob
          jars=()
          for jar in build/libs/*.jar; do
            case "$jar" in
              *-sources.jar|*-javadoc.jar)
                continue
                ;;
            esac
            jars+=("$jar")
          done

          if [[ ${#jars[@]} -eq 0 ]]; then
            echo "No release jars found in build/libs" >&2
            exit 1
          fi

          printf 'files<<EOF\n' >> "$GITHUB_OUTPUT"
          printf '%s\n' "${jars[@]}" >> "$GITHUB_OUTPUT"
          printf 'EOF\n' >> "$GITHUB_OUTPUT"

      - name: Upload release assets
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG_NAME: ${{ steps.metadata.outputs.tag }}
          RELEASE_FILES: ${{ steps.jars.outputs.files }}
        shell: bash
        run: |
          mapfile -t jars <<< "$RELEASE_FILES"
          gh release upload "$TAG_NAME" "${jars[@]}" --clobber

      - name: Upload workflow artifacts
        uses: actions/upload-artifact@v4
        with:
          name: ftbchunksaerospace-release-${{ steps.metadata.outputs.tag }}
          path: |
            build/libs/*.jar
            !build/libs/*-sources.jar
            !build/libs/*-javadoc.jar
          if-no-files-found: error
          retention-days: 30