class Riffer::Mcp::Client

# File lib/riffer/mcp/client.rb, line 12
def initialize(endpoint:, headers: {}, client: nil)
  depends_on "mcp"
  depends_on "faraday"

  @client = client || begin
    resolved_headers = Riffer::Helpers::CallOrValue.resolve(headers)
    transport = MCP::Client::HTTP.new(url: endpoint, headers: resolved_headers)
    MCP::Client.new(transport: transport)
  end
end

# File lib/riffer/mcp/client.rb, line 41
def tools_call(name, arguments = {})
  tool = MCP::Client::Tool.new(name: name, description: nil, input_schema: nil)
  response = @client.call_tool(tool: tool, arguments: arguments)

  if response["error"]
    raise Riffer::Error, response.dig("error", "message") || "MCP tool call failed"
  end

  if response.dig("result", "isError")
    message = (response.dig("result", "content") || []).filter_map { |item| item["text"] }.join
    raise Riffer::Error, message.empty? ? "MCP tool '#{name}' failed" : message
  end

  content = response.dig("result", "content") || []
  content.filter_map { |item| item["text"] }.join
end

# File lib/riffer/mcp/client.rb, line 27
def tools_list
  @client.tools.map do |tool|
    {
      name: tool.name,
      description: tool.description,
      input_schema: tool.input_schema
    }
  end
end