name: Tests on CI

on:
  pull_request:
  push:
    branches:
      - main

concurrency:
  group: ci-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  cpu:
    name: Tests on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        python-version: ["3.11"]
    steps:
      - uses: actions/checkout@v3
      - name: Set up Python ${{ matrix.python-version }}
        uses: actions/setup-python@v4
        with:
          python-version: "${{ matrix.python-version }}"
      - uses: actions/setup-go@v5
        with:
          go-version: ">=1.17.0"
      - name: Ensure cached directory exist before calling cache-related actions
        shell: bash
        run: |
          mkdir -p $HOME/.serena/language_servers/static
          mkdir -p $HOME/.cache/go-build
          mkdir -p $HOME/go/bin
      # Add Go bin directory to PATH for this workflow
      # GITHUB_PATH is a special file that GitHub Actions uses to modify PATH
      # Writing to this file adds the directory to the PATH for subsequent steps
      - name: Cache Go binaries
        id: cache-go-binaries
        uses: actions/cache@v3
        with:
          path: |
            ~/go/bin
            ~/.cache/go-build
          key: go-binaries-${{ runner.os }}-gopls-latest
      - name: Install gopls
        if: steps.cache-go-binaries.outputs.cache-hit != 'true'
        shell: bash
        run: go install golang.org/x/tools/gopls@latest
      - name: Set up Elixir
        if: runner.os != 'Windows'
        uses: erlef/setup-beam@v1
        with:
          elixir-version: "1.18.4"
          otp-version: "26.1"
#      Erlang currently not tested in CI, random hangings on macos, always hangs on ubuntu
#      In local tests, erlang seems to work though
#      - name: Install Erlang Language Server
#        if: runner.os != 'Windows'
#        shell: bash
#        run: |
#          # Install rebar3 if not already available
#          which rebar3 || (curl -fsSL https://github.com/erlang/rebar3/releases/download/3.23.0/rebar3 -o /tmp/rebar3 && chmod +x /tmp/rebar3 && sudo mv /tmp/rebar3 /usr/local/bin/rebar3)
#          # Clone and build erlang_ls
#          git clone https://github.com/erlang-ls/erlang_ls.git /tmp/erlang_ls
#          cd /tmp/erlang_ls
#          make install PREFIX=/usr/local
#          # Ensure erlang_ls is in PATH
#          echo "$HOME/.local/bin" >> $GITHUB_PATH
      - name: Install clojure tools
        uses: DeLaGuardo/setup-clojure@13.4
        with:
          cli: latest
      - name: Setup Java (for JVM based languages)
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '17'
      - name: Install Terraform
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: "1.5.0"
          terraform_wrapper: false
      # - name: Install swift
      #   if: runner.os != 'Windows'
      #   uses: swift-actions/setup-swift@v2
      # Installation of swift with the action screws with installation of ruby on macOS for some reason
      # We can try again when version 3 of the action is released, where they will also use swiftly
      # Until then, we use custom code to install swift. Sourcekit-lsp is installed automatically with swift
      - name: Install Swift with swiftly (macOS)
        if: runner.os == 'macOS'
        run: |
          echo "=== Installing swiftly on macOS ==="
          curl -O https://download.swift.org/swiftly/darwin/swiftly.pkg && \
          installer -pkg swiftly.pkg -target CurrentUserHomeDirectory && \
          ~/.swiftly/bin/swiftly init --quiet-shell-followup && \
          . "${SWIFTLY_HOME_DIR:-$HOME/.swiftly}/env.sh" && \
          hash -r
          swiftly install --use 6.1.2
          swiftly use 6.1.2
          echo "~/.swiftly/bin" >> $GITHUB_PATH
          echo "Swiftly installed successfully"
      - name: Install Swift with swiftly (Ubuntu)
        if: runner.os == 'Linux'
        run: |
          echo "=== Installing swiftly on Ubuntu ==="
          curl -O https://download.swift.org/swiftly/linux/swiftly-$(uname -m).tar.gz && \
          tar zxf swiftly-$(uname -m).tar.gz && \
          ./swiftly init --quiet-shell-followup && \
          . "${SWIFTLY_HOME_DIR:-$HOME/.local/share/swiftly}/env.sh" && \
          hash -r
          swiftly install --use 6.1.2
          swiftly use 6.1.2
          sudo apt-get -y install libcurl4-openssl-dev
          echo "=== Adding Swift toolchain to PATH ==="
          echo "$HOME/.local/share/swiftly/bin" >> $GITHUB_PATH
          echo "Swiftly installed successfully!"
      - name: Install Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.4'
      - name: Install Ruby language server
        shell: bash
        run: gem install ruby-lsp
      - name: Install R
        uses: r-lib/actions/setup-r@v2
        with:
          r-version: '4.4.2'
          use-public-rspm: true
      - name: Install R language server
        shell: bash
        run: |
          Rscript -e "install.packages('languageserver', repos='https://cloud.r-project.org')"
      - name: Install Zig
        uses: goto-bus-stop/setup-zig@v2
        with:
          version: 0.14.1
      - name: Install ZLS (Zig Language Server)
        shell: bash
        run: |
          if [[ "${{ runner.os }}" == "Linux" ]]; then
            wget https://github.com/zigtools/zls/releases/download/0.14.0/zls-x86_64-linux.tar.xz
            tar -xf zls-x86_64-linux.tar.xz
            sudo mv zls /usr/local/bin/
            rm zls-x86_64-linux.tar.xz
          elif [[ "${{ runner.os }}" == "macOS" ]]; then
            wget https://github.com/zigtools/zls/releases/download/0.14.0/zls-x86_64-macos.tar.xz
            tar -xf zls-x86_64-macos.tar.xz
            sudo mv zls /usr/local/bin/
            rm zls-x86_64-macos.tar.xz
          elif [[ "${{ runner.os }}" == "Windows" ]]; then
            curl -L -o zls.zip https://github.com/zigtools/zls/releases/download/0.14.0/zls-x86_64-windows.zip
            unzip -o zls.zip
            mkdir -p "$HOME/bin"
            mv zls.exe "$HOME/bin/"
            echo "$HOME/bin" >> $GITHUB_PATH
            rm zls.zip
          fi
      - name: Install Lua Language Server
        shell: bash
        run: |
          LUA_LS_VERSION="3.15.0"
          LUA_LS_DIR="$HOME/.serena/language_servers/lua"
          mkdir -p "$LUA_LS_DIR"
          
          if [[ "${{ runner.os }}" == "Linux" ]]; then
            if [[ "$(uname -m)" == "x86_64" ]]; then
              wget https://github.com/LuaLS/lua-language-server/releases/download/${LUA_LS_VERSION}/lua-language-server-${LUA_LS_VERSION}-linux-x64.tar.gz
              tar -xzf lua-language-server-${LUA_LS_VERSION}-linux-x64.tar.gz -C "$LUA_LS_DIR"
            else
              wget https://github.com/LuaLS/lua-language-server/releases/download/${LUA_LS_VERSION}/lua-language-server-${LUA_LS_VERSION}-linux-arm64.tar.gz
              tar -xzf lua-language-server-${LUA_LS_VERSION}-linux-arm64.tar.gz -C "$LUA_LS_DIR"
            fi
            chmod +x "$LUA_LS_DIR/bin/lua-language-server"
            # Create wrapper script instead of symlink to ensure supporting files are found
            echo '#!/bin/bash' | sudo tee /usr/local/bin/lua-language-server > /dev/null
            echo 'cd "${HOME}/.serena/language_servers/lua/bin"' | sudo tee -a /usr/local/bin/lua-language-server > /dev/null
            echo 'exec ./lua-language-server "$@"' | sudo tee -a /usr/local/bin/lua-language-server > /dev/null
            sudo chmod +x /usr/local/bin/lua-language-server
            rm lua-language-server-*.tar.gz
          elif [[ "${{ runner.os }}" == "macOS" ]]; then
            if [[ "$(uname -m)" == "x86_64" ]]; then
              wget https://github.com/LuaLS/lua-language-server/releases/download/${LUA_LS_VERSION}/lua-language-server-${LUA_LS_VERSION}-darwin-x64.tar.gz
              tar -xzf lua-language-server-${LUA_LS_VERSION}-darwin-x64.tar.gz -C "$LUA_LS_DIR"
            else
              wget https://github.com/LuaLS/lua-language-server/releases/download/${LUA_LS_VERSION}/lua-language-server-${LUA_LS_VERSION}-darwin-arm64.tar.gz
              tar -xzf lua-language-server-${LUA_LS_VERSION}-darwin-arm64.tar.gz -C "$LUA_LS_DIR"
            fi
            chmod +x "$LUA_LS_DIR/bin/lua-language-server"
            # Create wrapper script instead of symlink to ensure supporting files are found
            echo '#!/bin/bash' | sudo tee /usr/local/bin/lua-language-server > /dev/null
            echo 'cd "${HOME}/.serena/language_servers/lua/bin"' | sudo tee -a /usr/local/bin/lua-language-server > /dev/null
            echo 'exec ./lua-language-server "$@"' | sudo tee -a /usr/local/bin/lua-language-server > /dev/null
            sudo chmod +x /usr/local/bin/lua-language-server
            rm lua-language-server-*.tar.gz
          elif [[ "${{ runner.os }}" == "Windows" ]]; then
            curl -L -o lua-ls.zip https://github.com/LuaLS/lua-language-server/releases/download/${LUA_LS_VERSION}/lua-language-server-${LUA_LS_VERSION}-win32-x64.zip
            unzip -o lua-ls.zip -d "$LUA_LS_DIR"
            # For Windows, we'll add the bin directory directly to PATH
            # The lua-language-server.exe can find its supporting files relative to its location
            echo "$LUA_LS_DIR/bin" >> $GITHUB_PATH
            rm lua-ls.zip
          fi
      - name: Install Nix
        if: runner.os != 'Windows'  # Nix doesn't support Windows natively
        uses: cachix/install-nix-action@v30
        with:
          nix_path: nixpkgs=channel:nixos-unstable
      - name: Install nixd (Nix Language Server)
        if: runner.os != 'Windows'  # Skip on Windows since Nix isn't available
        shell: bash
        run: |
          # Install nixd using nix
          nix profile install github:nix-community/nixd
          
          # Verify nixd is installed and working
          if ! command -v nixd &> /dev/null; then
            echo "nixd installation failed or not in PATH"
            exit 1
          fi
          
          echo "$HOME/.nix-profile/bin" >> $GITHUB_PATH
      - name: Install uv
        shell: bash
        run: curl -LsSf https://astral.sh/uv/install.sh | sh
      - name: Cache uv virtualenv
        id: cache-uv
        uses: actions/cache@v3
        with:
          path: .venv
          key: uv-venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('uv.lock') }}
      - name: Cache language servers
        id: cache-language-servers
        uses: actions/cache@v3
        with:
          path: ~/.serena/language_servers/static
          key: language-servers-${{ runner.os }}-v1
          restore-keys: |
            language-servers-${{ runner.os }}-
      - name: Create virtual environment
        shell: bash
        run: |
          if [ ! -d ".venv" ]; then
            uv venv
          fi
      - name: Install dependencies
        shell: bash
        run: uv pip install -e ".[dev]"
      - name: Check formatting
        shell: bash
        run: uv run poe lint
      - name: Test with pytest
        shell: bash
        run: uv run poe test