require_relative '../spec_helper'

include CartoDB

describe CartoDB::Log do

  describe '#basic' do
    it 'checks basic operations' do
      user_id = UUIDTools::UUID.timestamp_create.to_s
      type = Log::TYPE_DATA_IMPORT
      text1 = 'test'
      text2 = 'anothertest'
      timestamp = Time.now.utc

      log = Log.new({ type: type })
      log.append(text1, false, timestamp)
      log.append(text2, false, timestamp)
      # Only stores now upon explicit change
      log.store
      log_id = log.id

      log = Log.where(id:log_id).first
      log.id.should eq log_id
      log.type.should eq type
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                         (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                         Log::END_OF_LOG_MARK
    end
  end

  describe '#circular buffer logic' do
    it 'checks that buffer half works as expected' do
      max_entries_per_half = 2

      timestamp = Time.now.utc
      text1 = "1"
      text2 = "2"
      text3 = "3"
      text4 = "4"
      text5 = "5"
      text6 = "6"

      Log.any_instance.stubs(:half_max_size).returns(max_entries_per_half)

      log = Log.new({ type: Log::TYPE_DATA_IMPORT })

      # Fixed half
      log.append(text1, false, timestamp)
      log.append(text2, false, timestamp)
      # circular half
      10.times do
        log.append('to be deleted', false, timestamp)
      end
      log.append(text3, false, timestamp)
      log.append(text4, false, timestamp)

      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                            (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                            Log::HALF_OF_LOG_MARK +
                            (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                            (Log::ENTRY_FORMAT % [ timestamp, text4 ]) + 
                            Log::END_OF_LOG_MARK

      log.append(text5, false, timestamp)
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                            (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                            Log::HALF_OF_LOG_MARK +
                            (Log::ENTRY_FORMAT % [ timestamp, text4 ]) +
                            (Log::ENTRY_FORMAT % [ timestamp, text5 ]) +
                            Log::END_OF_LOG_MARK

      log.append(text6, false, timestamp)
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                            (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                            Log::HALF_OF_LOG_MARK +
                            (Log::ENTRY_FORMAT % [ timestamp, text5 ]) + 
                            (Log::ENTRY_FORMAT % [ timestamp, text6 ]) + 
                            Log::END_OF_LOG_MARK
    end

    it 'checks that loading a log with existing entries works' do
      max_entries_per_half = 2

      timestamp = Time.now.utc
      text1 = "aaa"
      text2 = "bbb"
      text3 = "3.4"
      text4 = "5 6 7 8"
      text5 = "five"
      text6 = "six"

      Log.any_instance.stubs(:half_max_size).returns(max_entries_per_half)

      log = Log.new({ type: Log::TYPE_DATA_IMPORT })

      log.append(text1, false, timestamp)
      log.append(text2, false, timestamp)
      log.append(text3, false, timestamp)
      log.append(text4, false, timestamp)
      log.store

      #reload
      log = Log.where(id: log.id).first

      # collect doesn't beautifies
      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text4 ])

      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                         (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                         Log::HALF_OF_LOG_MARK +
                         (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                         (Log::ENTRY_FORMAT % [ timestamp, text4 ]) + 
                         Log::END_OF_LOG_MARK

      # More tests
      log = Log.new({ type: Log::TYPE_DATA_IMPORT })
      log.append(text1, false, timestamp)
      log.append(text2, false, timestamp)
      log.append(text3, false, timestamp)
      log.store
      log = Log.where(id: log.id).first

      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ])
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                         (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                         Log::HALF_OF_LOG_MARK +
                         (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                         Log::END_OF_LOG_MARK

      # Check that new entries are added correctly
      log.append(text4, false, timestamp)
      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) +
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) +
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ]) +
                                           (Log::ENTRY_FORMAT % [ timestamp, text4 ])
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) +
                         (Log::ENTRY_FORMAT % [ timestamp, text2 ]) +
                         Log::HALF_OF_LOG_MARK +
                         (Log::ENTRY_FORMAT % [ timestamp, text3 ]) +
                         (Log::ENTRY_FORMAT % [ timestamp, text4 ]) +
                         Log::END_OF_LOG_MARK
      log.append(text5, false, timestamp)
      log.append(text6, false, timestamp)
      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [timestamp, text1]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text2]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text5]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text6])
      log.to_s.should eq (Log::ENTRY_FORMAT % [timestamp, text1]) +
                         (Log::ENTRY_FORMAT % [timestamp, text2]) +
                         Log::HALF_OF_LOG_MARK +
                         (Log::ENTRY_FORMAT % [timestamp, text5]) +
                         (Log::ENTRY_FORMAT % [timestamp, text6]) +
                         Log::END_OF_LOG_MARK

      log = Log.new({ type: Log::TYPE_DATA_IMPORT })
      log.append(text1, false, timestamp)
      log.store
      log = Log.where(id: log.id).first

      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ])

      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                         Log::END_OF_LOG_MARK

      # This test checks that old logs with more lines than accepted get truncated correctly
      log = Log.new({ type: Log::TYPE_DATA_IMPORT })
      log.append(text1, false, timestamp)
      log.append(text2, false, timestamp)
      log.append('filll', false, timestamp)
      log.append('filll more', false, timestamp)
      # This goes to the circular area
      log.append('filll even more', false, timestamp)
      log.append(text3, false, timestamp)
      log.append(text4, false, timestamp)
      log.store

      log = Log.where(id: log.id).first

      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text4 ])
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                                           Log::HALF_OF_LOG_MARK +
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text4 ]) + 
                                           Log::END_OF_LOG_MARK

      #Nothing should change with this
      log.send(:fix_entries_encoding)
      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text4 ])
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text2 ]) + 
                                           Log::HALF_OF_LOG_MARK +
                                           (Log::ENTRY_FORMAT % [ timestamp, text3 ]) + 
                                           (Log::ENTRY_FORMAT % [ timestamp, text4 ]) + 
                                           Log::END_OF_LOG_MARK
      # Check that new entries are added correctly
      log.append(text5, false, timestamp)
      log.append(text6, false, timestamp)
      log.send(:collect_entries).should eq (Log::ENTRY_FORMAT % [timestamp, text1]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text2]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text5]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text6])
      log.to_s.should eq (Log::ENTRY_FORMAT % [ timestamp, text1 ]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text2]) +
                                           Log::HALF_OF_LOG_MARK +
                                           (Log::ENTRY_FORMAT % [timestamp, text5]) +
                                           (Log::ENTRY_FORMAT % [timestamp, text6]) +
                                           Log::END_OF_LOG_MARK

    end

    it 'checks zero case of a new log' do
      log = Log.new({ type: Log::TYPE_DATA_IMPORT })
      log.to_s.should eq Log::END_OF_LOG_MARK
      log = Log.where(id: log.id).first
      log.to_s.should eq Log::END_OF_LOG_MARK

      # Forcing call without entries
      log.send(:fix_entries_encoding)
      log.to_s.should eq Log::END_OF_LOG_MARK
    end
  end

end