#!/usr/bin/env ruby
# Commandline client for controlling morph and running scrapers and things

require "thor"
require "rest_client"
# TODO Do compression on the tar file
#require 'zlib'
require 'archive/tar/minitar'
require 'pathname'
require 'json'
require 'morph-cli'

class MorphThor < Thor
  class_option :dev, default: false, type: :boolean, desc: "Run against development Morph (for morph developers)"

  desc "[execute]", "execute morph scraper"
  option :directory, :default => Dir.getwd

  def execute
    config = MorphCLI.load_config
    if options[:dev]
      env_config = config[:development]
    else
      env_config = config[:production]
    end

    config = ask_and_save_api_key(env_config, config) if env_config[:api_key].nil?

    api_key_is_valid = false
    until api_key_is_valid
      begin
        MorphCLI.execute(options[:directory], options[:dev], env_config)
        api_key_is_valid = true
      rescue RestClient::Unauthorized
        puts "Your key isn't working. Let's try again."
        config = ask_and_save_api_key(env_config, config)
      rescue Errno::ECONNREFUSED => e
        $stderr.puts "Morph doesn't look to be running at #{env_config[:base_url]} (#{e})"
        exit(1)
      rescue RestClient::InternalServerError => e
        $stderr.puts "Uh oh. Something has gone wrong on the Morph server at #{env_config[:base_url]} (#{e})"
        exit(1)        
      end
    end
  end

  desc "version", "Show Morph version number and quit"
  def version
    puts "Morph CLI #{MorphCLI::VERSION}"
    exit
  end

  no_commands {
    def ask_and_save_api_key(env_config, config)
      env_config[:api_key] = ask("What is your key? (Go to #{env_config[:base_url]}/settings)")
      MorphCLI.save_config(config)
      config
    end
  }
end

# If morph is run without any parameters it's the same as "morph execute"
MorphThor.start(ARGV.empty? ? ["execute"] : ARGV)