#!/usr/bin/env ruby

# FOR TESTING ONLY
$LOAD_PATH << File.join(File.dirname(__FILE__),"../lib")
require 'rubygems'
require 'bundler/setup'
# REMOVE THE ABOVE

require "birst_command"
require "optparse"

module BirstCL
  extend self

  def set_options
    @options = {}

    OptionParser.new do |opts|
      opts.banner = "Usage: birstcl -c <COMMAND> -a <ARGUMENTS>"

      opts.on("--verbose", "--[no-]verbose", "Run verbosely") do |v|
        @options[:verbose] = v
      end

      opts.on("-h","--help", "Show this message") do
        puts opts
        exit
      end

      @options[:command] = nil
      opts.on("-c","--command <COMMAND>","COMMAND is the snake_case Birst web API command") do |opt|
        @options[:command] = opt
      end

      @options[:arguments] = {}
      opts.on("-a","--args <ARGUMNETS>","ARGUMENTS is a JSON string of arguments to COMMAND") do |opt|
        @options[:arguments] = eval(opt)
      end

=begin
      @options[:json_full_path] = nil
      opts.on("-f","--file <JSON FILE>","Path to JSON file containing command") do |opt|
        @options[:json_full_path] = opt
      end
=end

      @options[:config_full_path] = "#{ENV['HOME']}/.birstcl"
      opts.on("-s","--config_file <CONFIG FILE>", "Path to config file containing credentials (default: $HOME/.birstcl)") do |opt|
        @options[:config_full_path] = opt
      end
    end.parse!
  end


  def read_config_file
    Birst_Command::Config.read_config(@options[:config_full_path])
  end


  def execute_command
    output = {}

    output[:command] = @options[:command]
    output[:arguments] = @options[:arguments]
    Birst_Command::Session.start do |bc|
      output[:token] = bc.token
      output[:auth_cookies] = bc.auth_cookies.inspect
      output[:result] = bc.send(@options[:command], @options[:arguments])
    end
    puts "#{JSON.pretty_generate output}"
  end
end

BirstCL.set_options
BirstCL.read_config_file
BirstCL.execute_command