name: dependencies
description: 'Installs build dependencies with caching'

inputs:
  configuration:
    description: 'Build configuration (Debug, Release, etc.)'
    required: true
  build_dir:
    description: 'Directory to build dependencies in'
    required: false
    default: '.build'
  compiler-id:
    description: 'Unique identifier: compiler-version-stdlib[-gccversion] (e.g. clang-14-libstdcxx-gcc11, gcc-13-libstdcxx)'
    required: false
    default: ''
  cache_version:
    description: 'Cache version for invalidation'
    required: false
    default: '1'
  cache_enabled:
    description: 'Whether to use caching'
    required: false
    default: 'true'
  main_branch:
    description: 'Main branch name for restore keys'
    required: false
    default: 'dev'
  os:
    description: 'Operating system (Linux, Macos)'
    required: false
    default: 'Linux'
  arch:
    description: 'Architecture (x86_64, armv8)'
    required: false
    default: 'x86_64'
  compiler:
    description: 'Compiler type (gcc, clang, apple-clang)'
    required: true
  compiler_version:
    description: 'Compiler version (11, 13, 14, etc.)'
    required: true
  cc:
    description: 'C compiler executable (gcc-13, clang-14, etc.), empty for macOS'
    required: false
    default: ''
  cxx:
    description: 'C++ compiler executable (g++-14, clang++-14, etc.), empty for macOS'
    required: false
    default: ''
  stdlib:
    description: 'C++ standard library for Conan configuration (note: also in compiler-id)'
    required: true
    type: choice
    options:
      - libstdcxx
      - libcxx

outputs:
  cache-hit:
    description: 'Whether there was a cache hit'
    value: ${{ steps.cache-restore-conan.outputs.cache-hit }}

runs:
  using: 'composite'
  steps:
    - name: Restore Conan cache
      if: inputs.cache_enabled == 'true'
      id: cache-restore-conan
      uses: ./.github/actions/xahau-ga-cache-restore
      with:
        path: ~/.conan2
        # Note: compiler-id format is compiler-version-stdlib[-gccversion]
        key: ${{ runner.os }}-conan-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-${{ hashFiles('**/conanfile.py') }}-${{ inputs.configuration }}
        restore-keys: |
          ${{ runner.os }}-conan-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-${{ hashFiles('**/conanfile.py') }}-
          ${{ runner.os }}-conan-v${{ inputs.cache_version }}-${{ inputs.compiler-id }}-
        cache-type: Conan

    - name: Configure Conan
      shell: bash
      run: |
        # Create the default profile directory if it doesn't exist
        mkdir -p ~/.conan2/profiles

        # Determine the correct libcxx based on stdlib parameter
        if [ "${{ inputs.stdlib }}" = "libcxx" ]; then
          LIBCXX="libc++"
        else
          LIBCXX="libstdc++11"
        fi

        # Create profile with our specific settings
        # This overwrites any cached profile to ensure fresh configuration
        cat > ~/.conan2/profiles/default <<EOF
        [settings]
        arch=${{ inputs.arch }}
        build_type=${{ inputs.configuration }}
        compiler=${{ inputs.compiler }}
        compiler.cppstd=20
        compiler.libcxx=${LIBCXX}
        compiler.version=${{ inputs.compiler_version }}
        os=${{ inputs.os }}
        EOF

        # Add buildenv and conf sections for Linux (not needed for macOS)
        if [ "${{ inputs.os }}" = "Linux" ] && [ -n "${{ inputs.cc }}" ]; then
          cat >> ~/.conan2/profiles/default <<EOF

        [buildenv]
        CC=/usr/bin/${{ inputs.cc }}
        CXX=/usr/bin/${{ inputs.cxx }}

        [conf]
        tools.build:compiler_executables={"c": "/usr/bin/${{ inputs.cc }}", "cpp": "/usr/bin/${{ inputs.cxx }}"}
        EOF
        fi

        # Add macOS-specific conf if needed
        if [ "${{ inputs.os }}" = "Macos" ]; then
          cat >> ~/.conan2/profiles/default <<EOF

        [conf]
        # Workaround for gRPC with newer Apple Clang
        tools.build:cxxflags=["-Wno-missing-template-arg-list-after-template-kw"]
        EOF
        fi

        # Display profile for verification
        conan profile show

    - name: Export custom recipes
      shell: bash
      run: |
        conan export external/snappy --version 1.1.10 --user xahaud --channel stable
        conan export external/soci --version 4.0.3 --user xahaud --channel stable
        conan export external/wasmedge --version 0.11.2 --user xahaud --channel stable

    - name: Install dependencies
      shell: bash
      env:
        CONAN_REQUEST_TIMEOUT: 180  # Increase timeout to 3 minutes for slow mirrors
      run: |
        # Create build directory
        mkdir -p ${{ inputs.build_dir }}
        cd ${{ inputs.build_dir }}
        
        # Install dependencies using conan
        conan install \
          --output-folder . \
          --build missing \
          --settings build_type=${{ inputs.configuration }} \
          ..

    - name: Save Conan cache
      if: success() && inputs.cache_enabled == 'true' && steps.cache-restore-conan.outputs.cache-hit != 'true'
      uses: actions/cache/save@v4
      with:
        path: ~/.conan2
        key: ${{ steps.cache-restore-conan.outputs.cache-primary-key }}