name: release

on:
  push:
    tags: ["[0-9]+.[0-9]+.[0-9]+*"]

permissions:
  contents: write

env:
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

jobs:
  create:
    name: create release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.ref_name }}
      - name: verify version matches
        shell: bash
        run: grep -q 'version = "${{ github.ref_name }}"' Cargo.toml || { echo version mismatch >&2 && exit 1; }
      - name: create release
        run: gh release create ${{ github.ref_name }} --draft --verify-tag --title "Release ${{ github.ref_name }}"

  build:
    name: build
    needs: ['create']
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
        - os: ubuntu-latest
          target: x86_64-unknown-linux-gnu
        - os: ubuntu-latest
          target: i686-unknown-linux-musl
        - os: macos-latest
          target: x86_64-apple-darwin
        - os: macos-latest
          target: aarch64-apple-darwin
        - os: windows-latest
          target: x86_64-pc-windows-msvc
        - os: windows-latest
          target: i686-pc-windows-msvc

    steps:
    - name: checkout
      uses: actions/checkout@v4
      with:
        ref: ${{ github.ref_name }}

    - name: install rust
      shell: bash
      run: |
        rustup update stable
        rustup target add ${{ matrix.target }}

    - name: build
      shell: bash
      run: |
        if [ -n "${{ matrix.linker }}" ]; then
          export RUSTFLAGS="-Clinker=${{ matrix.linker }}"
        fi
        cargo build --verbose --release --target ${{ matrix.target }}
        find .
        bin="target/${{ matrix.target }}/release/jotdown"
        [ "${{ matrix.os }}" = "windows-latest" ] && bin="$bin.exe"
        echo "BIN=$bin" >> $GITHUB_ENV

    - name: strip
      if: ${{ startsWith(matrix.os, 'ubuntu') }}
      run: strip $BIN

    - name: set archive name
      shell: bash
      run: echo "ARCHIVE=jotdown-${{ github.ref_name }}-${{ matrix.target }}" >> $GITHUB_ENV

    - name: init archive dir
      shell: bash
      run: |
        mkdir "$ARCHIVE"/
        cp "$BIN" "$ARCHIVE"/
        cp {COPYING,CHANGELOG.md,README.md} "$ARCHIVE"/

    - name: archive (win)
      if: ${{ startsWith(matrix.os, 'windows') }}
      shell: bash
      run: |
        7z a "$ARCHIVE.zip" "$ARCHIVE"
        echo "ASSET=$ARCHIVE.zip" >> $GITHUB_ENV

    - name: archive (unix)
      if: ${{ ! startsWith(matrix.os, 'windows') }}
      shell: bash
      run: |
        tar czf "$ARCHIVE.tar.gz" "$ARCHIVE"
        echo "ASSET=$ARCHIVE.tar.gz" >> $GITHUB_ENV

    - name: Upload release archive
      shell: bash
      run: |
        gh release upload ${{ github.ref_name }} ${{ env.ASSET }}