# coding: utf-8
# 客户端

module Lanmao
  class Client

    attr_accessor :config

    @system_contracts = {
      chief: 'SYS_GENERATE_000', # 平台总账户
      compensatme: 'SYS_GENERATE_001', # 平台代偿
      marketing: 'SYS_GENERATE_002', # 平台营销款，比如红包
      profit: 'SYS_GENERATE_003', # 平台分润
      deduct: 'SYS_GENERATE_004', # 平台收入，比如收取用户费用
      interest: 'SYS_GENERATE_005', # 平台派息
      recharge: 'SYS_GENERATE_006', # 平台代充值
      loan: 'SYS_GENERATE_007', # 平台垫资账户
    }
    @system_contracts.each { |k, v|
      define_method :"#{k}_system_contract" do |*args|
        v
      end
    }

    def initialize(options_arg)
      options = Utils.symbolize_keys(options_arg)
      @config = {
        path: options[:path],
        platform_no: options[:platform_no],
        key_serial: options[:key_serial],
        private_key: OpenSSL::PKey::RSA.new(options[:private_key]),
        public_key: OpenSSL::PKey::RSA.new(options[:public_key]),
      }

      # 自动 include api 下的模块
      recursive_include_api('Lanmao::Api')

      # 自动 include form 下的模块
      recursive_include_api('Lanmao::Form')
    end

    def verify_data?(data)
      Sign.verify(data, @config)
    end

    private

    def recursive_include_api(module_chain)
      modules = eval("#{module_chain}.constants").each{ |constant|
        eval("#{module_chain}::#{constant}").class.kind_of?(Module)
      }

      if modules.empty?
        self.class.send(:include, eval(module_chain))
      else
        modules.each{ |constant| recursive_include_api("#{module_chain}::#{constant}") }
      end
    end

  end
end