name: CI

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

env:
  CARGO_UNSTABLE_SPARSE_REGISTRY: true
  CARGO_TERM_COLOR: always

jobs:
  fmt:
    name: Rustfmt all packages
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          components: rustfmt
      - name: Cache Dependencies
        uses: Swatinem/rust-cache@v2
      - name: Rustfmt Check
        uses: actions-rust-lang/rustfmt@v1

  build-rustsbi:
    name: Build rustsbi
    runs-on: ubuntu-latest
    needs: fmt
    strategy:
      matrix:
        TARGET: [riscv64imac-unknown-none-elf, riscv32imac-unknown-none-elf]
        TOOLCHAIN: [stable, nightly]
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          target: ${{ matrix.TARGET }}
          toolchain: ${{ matrix.TOOLCHAIN }}
      - uses: Swatinem/rust-cache@v2
        with:
          key: ${{ matrix.TARGET }}
      - name: Build (no default features)
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose
      - name: Build (machine)
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose --features "machine"
      - name: Build (forward)
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose --features "forward"
      - name: Build (machine + forward)
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose --features "machine, forward"

  test-rustsbi:
    name: Test rustsbi
    needs: fmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@v2
      - name: Run tests (no default features)
        run: |
          cargo test -p rustsbi --verbose
      - name: Run tests (machine)
        run: |
          cargo test -p rustsbi --verbose --features "machine"
      # Don't run tests with rustsbi `forward` features on here: it requires RISC-V targets to build.

  test-sbi-spec:
    name: Test sbi-spec
    needs: fmt
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: stable
      - uses: Swatinem/rust-cache@v2
      # - name: Check clippy
      #   run: cargo clippy -- -D warnings
      - name: Run tests
        run: cargo test -p sbi-spec --verbose
  
  build-sbi-rt:
    name: Build sbi-rt
    needs: fmt
    runs-on: ubuntu-latest
    strategy:
      matrix:
        TARGET: [riscv64imac-unknown-none-elf, riscv32imac-unknown-none-elf]
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          target: ${{ matrix.TARGET }}
          toolchain: stable
      - uses: Swatinem/rust-cache@v2
      - name: Build
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose -p sbi-rt

  build-sbi-testing:
    name: Build sbi-testing
    needs: fmt
    runs-on: ubuntu-latest
    strategy:
      matrix:
        TARGET: [riscv64imac-unknown-none-elf] #, riscv32imac-unknown-none-elf]
    steps:
      - uses: actions/checkout@v4
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          target: ${{ matrix.TARGET }}
          toolchain: nightly
      - uses: Swatinem/rust-cache@v2
      - name: Build (no default features)
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose -p sbi-testing
      - name: Build (log)
        run: |
          cargo build --target ${{ matrix.TARGET }} --verbose -p sbi-testing --features "log"

  check-changelog:
    name: Check if `CHANGELOG.md` is updated
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Get latest updated files
        run: |
          updated_files=$(git show --name-only --pretty=format: HEAD)
      - name: Check if changlog is updated
        run: |
          if git show --name-only --pretty=format: HEAD | grep -q "CHANGELOG.md"; then
            echo "Main CHANGELOG.md changed in the latest commit."
          else
            echo "Main CHANGELOG.md is not changed in the latest commit."
            exit 1
          fi
          for file in $updated_files; do
            first_path=$(dirname "$file")
            if [[ "$first_path" == *"sbi-rt"* ]]; then
              file_path = "./sbi-rt"
            elif [[ "$first_path" == *"sbi-spec"* ]]; then
              file_path = "./sbi-spec"
            elif [[ "$first_path" == *"sbi-testing"* ]]; then
              file_path = "./sbi-testing"
            else
              file_path = "./"
            fi
            changelog_path="$file_path/CHANGELOG.md"
            # Check if changelog is updated
            if git diff --name-only "$file_path" | grep -q "CHANGELOG.md"; then
              echo "File $changelog_path changed in the latest commit."
            else
              echo "File $changelog_path is not changed in the latest commit."
              exit 1
            fi
          done

  check-commit-signatures:
    name: Check commit signatures
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Check if commit is signed
        run: |
          COMMIT=$(git log -1)
          if echo "$COMMIT" | grep -q "Author: "; then
              echo "Commit is signed."
          else
              echo "Commit is NOT signed."
              exit 1
          fi
      - name: Print author's information
        run: |
          AUTHOR_NAME=$(git log -1 --format='%an')
          AUTHOR_EMAIL=$(git log -1 --format='%ae')
          echo "Author's name: $AUTHOR_NAME"
          echo "Author's email: $AUTHOR_EMAIL"

# sbi-testing:
#     name: Run rust-clippy analyzing
#     runs-on: ubuntu-latest
#     permissions:
#       security-events: write
#     steps:
#       - name: Checkout code
#         uses: actions/checkout@v4

#       - name: Check format
#         run: cargo fmt --check

#       - name: Install clippy-sarif
#         uses: actions-rs/install@v0.1
#         with:
#           crate: clippy-sarif
#           version: latest

#       - name: Install sarif-fmt
#         uses: actions-rs/install@v0.1
#         with:
#           crate: sarif-fmt
#           version: latest

#       - name: Run rust-clippy
#         run:
#           cargo clippy
#           --all-featuers
#           --package fast-trap
#           --message-format=json | clippy-sarif | tee rust-clippy-results.sarif | sarif-fmt
#         continue-on-error: true

#       - name: Upload analysis results to GitHub
#         uses: github/codeql-action/upload-sarif@v2
#         with:
#           sarif_file: rust-clippy-results.sarif
#           wait-for-processing: true