name: Build, Test, and Linting

on:
    push:
        branches: ["master"]
    pull_request:
        branches: ["master"]
    workflow_dispatch:

env:
    CARGO_TERM_COLOR: always
    RUSTFLAGS: "-Dwarnings"

jobs:
    build_jar:
        name: Build JAR
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v6
            - name: Set up JDK 25
              uses: actions/setup-java@v5
              with:
                  java-version: "25"
                  distribution: "temurin"
            - name: Install Protoc
              uses: arduino/setup-protoc@v3
              with:
                  repo-token: ${{ secrets.GITHUB_TOKEN }}
            - name: Setup Gradle
              uses: gradle/actions/setup-gradle@v5
            - name: Build JAR with Gradle
              run: ./gradlew jar
              working-directory: java
            - name: Upload JAR
              uses: actions/upload-artifact@v6
              with:
                  name: patchbukkit-jar
                  path: java/patchbukkit/build/libs/patchbukkit.jar

    format:
        name: Check formatting
        runs-on: ubuntu-latest
        needs: [build_jar]
        strategy:
            matrix:
                toolchain:
                    - stable
        steps:
            - uses: actions/checkout@v6
            - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
            - run: rustup component add rustfmt
            - uses: Swatinem/rust-cache@v2
            - run: cargo fmt --check
              working-directory: rust

    machete:
        name: Detect unused dependencies
        runs-on: ubuntu-latest
        needs: [format]
        strategy:
            matrix:
                toolchain:
                    - stable
        steps:
            - uses: actions/checkout@v6
            - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
            - uses: bnjbvr/cargo-machete@main

    clippy_debug:
        name: Run lints (debug)
        runs-on: ubuntu-latest
        needs: [machete]
        strategy:
            matrix:
                toolchain:
                    - stable
        steps:
            - uses: actions/checkout@v6
            - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
            - run: rustup component add clippy
            - uses: Swatinem/rust-cache@v2
            - name: Download JAR
              uses: actions/download-artifact@v7
              with:
                  name: patchbukkit-jar
                  path: java/patchbukkit/build/libs/
            - name: Install Protoc
              uses: arduino/setup-protoc@v3
              with:
                  repo-token: ${{ secrets.GITHUB_TOKEN }}
            - name: Clippy (debug)
              run: cargo clippy --all-targets --all-features
              working-directory: rust

    clippy_release:
        name: Run lints (release)
        runs-on: ubuntu-latest
        needs: [machete]
        strategy:
            matrix:
                toolchain:
                    - stable
        steps:
            - uses: actions/checkout@v6
            - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
            - run: rustup component add clippy
            - uses: Swatinem/rust-cache@v2
            - name: Download JAR
              uses: actions/download-artifact@v7
              with:
                  name: patchbukkit-jar
                  path: java/patchbukkit/build/libs/
            - name: Install Protoc
              uses: arduino/setup-protoc@v3
              with:
                  repo-token: ${{ secrets.GITHUB_TOKEN }}
            - name: Clippy (release)
              run: cargo clippy --release --all-targets --all-features
              working-directory: rust

    build_release:
        name: Build project in release
        runs-on: ${{ matrix.os }}
        needs: [clippy_debug, clippy_release]
        strategy:
            matrix:
                os:
                    [
                        ubuntu-latest,
                        ubuntu-24.04-arm,
                        windows-latest,
                        windows-11-arm,
                        macos-latest,
                        macos-15-intel,
                    ]
                toolchain:
                    - stable
        steps:
            - uses: actions/checkout@v6
            - run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
            - uses: Swatinem/rust-cache@v2
            - name: Download JAR
              uses: actions/download-artifact@v7
              with:
                  name: patchbukkit-jar
                  path: java/patchbukkit/build/libs/
            - name: Install Protoc
              uses: arduino/setup-protoc@v3
              with:
                  repo-token: ${{ secrets.GITHUB_TOKEN }}
            - name: Build Release
              shell: bash
              run: |
                  if [[ "${{ runner.arch }}" == "X64" ]]; then
                    export RUSTFLAGS="$RUSTFLAGS -C target-cpu=x86-64-v3"
                  fi
                  cd rust && cargo build --verbose --release
            - name: Prepare artifacts
              shell: bash
              run: |
                  mkdir -p dist
                  case "${{ runner.os }}" in
                    Linux)  cp rust/target/release/*.so dist/ ;;
                    macOS)  cp rust/target/release/*.dylib dist/ ;;
                    Windows) cp rust/target/release/*.dll dist/ ;;
                  esac
            - name: Export artifacts
              uses: actions/upload-artifact@v6
              with:
                  name: patchbukkit-${{ runner.arch }}-${{ runner.os }}
                  compression-level: 9
                  path: dist/*

    draft_release:
        permissions:
            contents: write
        needs: [build_release]
        runs-on: ubuntu-latest
        if: github.event_name == 'push' && github.ref == 'refs/heads/master'
        steps:
            - uses: actions/checkout@v6
            - name: Download prebuilt artifacts
              uses: actions/download-artifact@v7
              with:
                  pattern: "patchbukkit-*"
                  path: dist/
                  merge-multiple: true
            - name: Generate release notes
              run: |
                  tree dist/
                  echo "From commit: $(git rev-parse --short HEAD)" > dist/RELEASE.md
                  echo "Generated on: $(date -u +"%Y-%m-%d %H:%M") UTC" >> dist/RELEASE.md
                  cat dist/RELEASE.md

            - name: Update the nightly tag
              run: |
                  git config user.name "github-actions[bot]"
                  git config user.email "github-actions[bot]@users.noreply.github.com"
                  git tag --force nightly && git push --force origin tag nightly

            - name: Draft a nightly github release
              uses: softprops/action-gh-release@v2
              with:
                  prerelease: true
                  files: dist/*
                  tag_name: nightly
                  name: Nightly Build
                  body_path: dist/RELEASE.md