name: "Mullvad build env"
description: "Set up build environment for Mullvad"
inputs:
  rust-toolchain:
    description: "Rust toolchain (stable, beta, nightly, or version)"
    default: stable
    required: false
  rustup-components:
    description: "Space-separated Rustup components to install (e.g. rustfmt, clippy)"
    default: clippy
    required: false
  protoc-token:
    description: "Token for setup-protoc (defaults to GITHUB_TOKEN)"
    default: "${{ github.token }}"
    required: false
runs:
  using: "composite"
  steps:
    - name: Cache cargo cache and index
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo/registry/index/
          ~/.cargo/registry/cache/
          ~/.cargo/git/db/
        key: ${{ runner.os }}-cargo-${{ inputs.rust-toolchain }}-${{ hashFiles('**/Cargo.lock') }}

    - name: Override Rust toolchain
      if: ${{ inputs.rust-toolchain != 'stable' }}
      shell: bash
      run: rustup override set ${{ inputs.rust-toolchain }}

    - name: Install Rust components
      if: ${{ inputs.rustup-components != '' }}
      shell: bash
      run: rustup component add ${{ inputs.rustup-components }}

    # The x64 target is needed to build talpid-openvpn-plugin
    # TODO: Remove once fixed
    - name: Install Rust x64 target
      if: runner.os == 'Windows' && runner.arch == 'ARM64'
      shell: bash
      run: rustup target add x86_64-pc-windows-msvc

    # Install 32-bit target for NSIS plugins
    - name: Install Rust 32-bit x86 target
      if: runner.os == 'Windows'
      shell: bash
      run: rustup target add i686-pc-windows-msvc

    - name: Install Protoc
      uses: arduino/setup-protoc@v3
      with:
        repo-token: ${{ inputs.protoc-token }}

    - name: Checkout submodules
      shell: bash
      run: |
        git config --global --add safe.directory '*'
        git submodule update --init --depth=1 dist-assets/binaries
        git submodule update --init --depth=1 windows
        git submodule update --init wireguard-go-rs/libwg/wireguard-go

    - name: Calculate Windows libraries cache hash
      if: runner.os == 'Windows'
      id: windows-modules-hash
      shell: bash
      run: |
        hash="$(git grep --recurse-submodules --cached -l '' -- './windows/' \
          | grep -v '\.exe$\|\.md$' \
          | xargs sha1sum \
          | sha1sum \
          | cut -d" " -f1)"
        echo "hash=$hash" >> "$GITHUB_OUTPUT"

    - name: Cache Windows libraries
      if: runner.os == 'Windows'
      uses: actions/cache@v4
      with:
        path: ./windows/*/bin/
        key: windows-modules-${{ steps.windows-modules-hash.outputs.hash }}

    - name: Install msbuild
      if: runner.os == 'Windows'
      uses: microsoft/setup-msbuild@v1.0.2
      with:
        vs-version: 16

    - name: Install latest zig
      if: runner.os == 'Windows'
      uses: mlugg/setup-zig@v2
      with:
        version: 0.14.1

    - name: Install build dependencies
      if: runner.os == 'Linux'
      shell: bash
      run: |
        sudo apt-get update
        sudo apt-get install libdbus-1-dev

    - name: Install Go
      uses: actions/setup-go@v5
      with:
        go-version: 1.21.3

    - name: Setup node
      uses: actions/setup-node@v4
      with:
        node-version-file: desktop/package.json
        cache: 'npm'
        cache-dependency-path: desktop/package-lock.json