name: 'MCP Conformance Tests'
description: 'Run MCP conformance tests against a server or client implementation'
inputs:
  mode:
    description: 'Test mode: "server" or "client"'
    required: true
  url:
    description: 'Server URL to test against (required for server mode)'
    required: false
  command:
    description: 'Command to run the client under test (required for client mode)'
    required: false
  expected-failures:
    description: 'Path to YAML file listing expected failures (baseline)'
    required: false
  suite:
    description: 'Test suite to run (server: "active"|"all"|"pending", client: "all"|"auth"|"metadata"|"sep-835")'
    required: false
  scenario:
    description: 'Run a single scenario by name'
    required: false
  timeout:
    description: 'Timeout in milliseconds for client tests (default: 30000)'
    required: false
    default: '30000'
  verbose:
    description: 'Show verbose output (default: false)'
    required: false
    default: 'false'
  node-version:
    description: 'Node.js version to use (default: 22)'
    required: false
    default: '22'
runs:
  using: 'composite'
  steps:
    - name: Setup Node.js
      uses: actions/setup-node@v6
      with:
        node-version: ${{ inputs.node-version }}

    - name: Build conformance tests
      shell: bash
      run: |
        cd "$GITHUB_ACTION_PATH"
        npm ci
        npm run build

    - name: Run conformance tests
      shell: bash
      run: |
        CONFORMANCE="$GITHUB_ACTION_PATH/dist/index.js"

        # Build the command arguments
        ARGS="${{ inputs.mode }}"

        # Mode-specific required options
        if [ "${{ inputs.mode }}" = "server" ]; then
          if [ -z "${{ inputs.url }}" ]; then
            echo "::error::The 'url' input is required for server mode"
            exit 1
          fi
          ARGS="${ARGS} --url ${{ inputs.url }}"
        elif [ "${{ inputs.mode }}" = "client" ]; then
          if [ -z "${{ inputs.command }}" ]; then
            echo "::error::The 'command' input is required for client mode"
            exit 1
          fi
          ARGS="${ARGS} --command '${{ inputs.command }}'"
        else
          echo "::error::Invalid mode '${{ inputs.mode }}'. Must be 'server' or 'client'."
          exit 1
        fi

        # Optional arguments
        if [ -n "${{ inputs.expected-failures }}" ]; then
          ARGS="${ARGS} --expected-failures ${{ inputs.expected-failures }}"
        fi

        if [ -n "${{ inputs.suite }}" ]; then
          ARGS="${ARGS} --suite ${{ inputs.suite }}"
        fi

        if [ -n "${{ inputs.scenario }}" ]; then
          ARGS="${ARGS} --scenario ${{ inputs.scenario }}"
        fi

        if [ "${{ inputs.mode }}" = "client" ]; then
          ARGS="${ARGS} --timeout ${{ inputs.timeout }}"
        fi

        if [ "${{ inputs.verbose }}" = "true" ]; then
          ARGS="${ARGS} --verbose"
        fi

        echo "Running: node ${CONFORMANCE} ${ARGS}"
        eval "node ${CONFORMANCE} ${ARGS}"