module LiffSelector

# File lib/liff_selector.rb, line 9
def self.run(argv)
  case argv[0]
  when 'show'
    show
  when 'same'
    same
  when 'upload'
    raise ArgumentError, 'give _type_ _url_' if argv.length != 3
    upload(type: argv[1], url: argv[2])
  when 'clean'
    clean
  when 'delete'
    raise ArgumentError, 'give _liff_id_' if argv.length != 2
    delete(liff_id: argv[1])
  when 'help'
    help
  when 'create'
    raise ArgumentError, 'give _file_name_' if argv.length != 2
    create(file_name: argv[1])
  else 
    raise NotImplementedError, 'unknow command given'
  end
end

# File lib/liff_selector.rb, line 118
def self.all_apps
  JSON.parse(RestClient.get @request_url, { :Authorization => "bearer #{@token}" })['apps']
rescue => e
  []
end

# File lib/liff_selector.rb, line 75
def self.clean
  delete_apps = same

  raise ArgumentError, 'not same app' if delete_apps.empty?

  begin
    delete_apps.map{|app|
      # api request
      RestClient.delete "#{@request_url}/#{app["liffId"]}", { :Authorization => "bearer #{@token}" }
      puts ">> delete \"id\": #{app["id"]}, \"type\": #{app["view"]["type"]}, \"url\": #{app["view"]["url"]}"
    }
    puts '> [SUCESS] delete apps'
  rescue
    puts '> [FAILED] cannot delete app'
  end
end

# File lib/liff_selector.rb, line 56
def self.create(file_name:)
  FileUtils.mkdir_p('./views') unless FileTest.exist?('./views')
  sample = File.read(File.join( File.dirname(__FILE__), '/assets/sample.html'))
  File.write("./views/#{file_name}.erb", sample)
  puts "> [SUCESS] make ./views/#{file_name}.erb"
end

# File lib/liff_selector.rb, line 107
def self.delete(liff_id:)
  # [TODO] undefined liff_id
  app = all_apps[liff_id.to_i-1]
  puts "#{liff_id}. #{app['liffId']}\t#{app['view']['type']}\t#{app['view']['url']}"

  # api request
  RestClient.delete "#{@request_url}/#{app['liffId']}", { :Authorization => "bearer #{@token}" }
  puts '> [SUCESS] delete app'
end

# File lib/liff_selector.rb, line 92
  def self.help
    help =
<<'EOS'
liff_select show                  : display all apps
liff_select same                  : display same url and type apps
liff_select clean                 : delete same url and type apps
liff_select upload _TYPE_ _URL_   : upload new apps with type and url.
                                  : type is <type:compact|tall:|full>
liff_select delete _LIFF_ID_      : delete app _LIFF_ID_ is referenced show number.
liff_select help                  : commands helps
liff_select new _html_name_       : make liff sample html
EOS
    puts help
  end

# File lib/liff_selector.rb, line 42
def self.same
  apps = all_apps
  uniq_app = apps.map{|app| {type: app['view']['type'], url: app['view']['url'] } }.uniq
  delete_apps = uniq_app.map{|delete_app|
    same_apps = apps
    .map.with_index{|app, i| app.store('id', i + 1); app }
    .select{|app| delete_app[:type] == app['view']['type'] and delete_app[:url] == app['view']['url']}

    puts "> \"type\": #{delete_app[:type]}, \"url\": #{delete_app[:url]}"
    same_apps.map{|app| puts " - id: #{app['id']}, liffId: #{app['liffId']}" }
    same_apps[1..-1]
  }.flatten!
end

# File lib/liff_selector.rb, line 35
def self.show
  puts "id liffId\t\ttype\turl"
  all_apps.each_with_index do |app, i|
    puts "#{i+1}. #{app["liffId"]}\t#{app["view"]["type"]}\t#{app["view"]["url"]}"
  end
end

# File lib/liff_selector.rb, line 63
def self.upload(type:, url:)
  raise ArgumentError, 'not correct type please choose [compact, tall, full]' unless ["compact", "tall", "full"].include?(type)
  puts '> make liff app'

  # api request
  response = RestClient.post(@request_url, {view: {type: type, url: url } }.to_json, {:Authorization => "bearer #{@token}", :content_type => :json})
  result = JSON.parse(response)

  puts '> [SUCCESS] make app'
  puts "> app uri : line://app/#{result['liffId']}"
end