class Fontist::IndexStats

# File lib/fontist/system_index.rb, line 11
def initialize
  @cache_hits = 0
  @cache_misses = 0
  @total_fonts = 0
  @parsed_fonts = 0
  @skipped_fonts = 0
  @errors = 0
  @validation_failures = 0
  @start_time = Time.now
  @mutex = Mutex.new
end

# File lib/fontist/system_index.rb, line 56
def avg_time_per_font
  return 0 if @parsed_fonts.zero?

  elapsed_time / @parsed_fonts
end

# File lib/fontist/system_index.rb, line 62
def cache_hit_rate
  return 0 if @total_fonts.zero?

  (@cache_hits.to_f / @total_fonts * 100).round(1)
end

# File lib/fontist/system_index.rb, line 52
def elapsed_time
  Time.now - @start_time
end

# File lib/fontist/system_index.rb, line 81
def print_summary(verbose: false)
  return unless verbose

  s = summary
  puts "\n#{Paint['=' * 80, :cyan]}"
  puts Paint["Index Build Statistics:", :cyan, :bright]
  puts Paint["=" * 80, :cyan]
  puts "  Total time:          #{Paint[format('%.2f', s[:total_time]),
                                       :green]} seconds"
  puts "  Total fonts:         #{Paint[s[:total_fonts], :yellow]}"
  puts "  Parsed fonts:        #{Paint[s[:parsed_fonts], :yellow]}"
  puts "  Cached fonts:        #{Paint[s[:cached_fonts], :green]}"
  puts "  Cache hit rate:      #{Paint[s[:cache_hit_rate], :green]}"
  puts "  Errors:              #{Paint[s[:errors],
                                       s[:errors].zero? ? :green : :red]}"
  puts "  Validation failures: #{Paint[s[:validation_failures],
                                       s[:validation_failures].zero? ? :green : :yellow]}"
  puts "  Avg time per font:   #{Paint[format('%.4f', s[:avg_time_per_font]),
                                       :green]} seconds"
  puts Paint["=" * 80, :cyan]
end

# File lib/fontist/system_index.rb, line 27
def record_cache_hit
  @mutex.synchronize do
    @cache_hits += 1
    @skipped_fonts += 1
  end
end

# File lib/fontist/system_index.rb, line 34
def record_cache_miss
  @mutex.synchronize do
    @cache_misses += 1
    @parsed_fonts += 1
  end
end

# File lib/fontist/system_index.rb, line 41
def record_error
  @mutex.synchronize { @errors += 1 }
end

# File lib/fontist/system_index.rb, line 45
def record_validation_failure
  @mutex.synchronize do
    @validation_failures += 1
    @errors += 1
  end
end

# File lib/fontist/system_index.rb, line 68
def summary
  {
    total_time: elapsed_time.round(2),
    total_fonts: @total_fonts,
    parsed_fonts: @parsed_fonts,
    cached_fonts: @cache_hits,
    errors: @errors,
    validation_failures: @validation_failures,
    cache_hit_rate: "#{cache_hit_rate}%",
    avg_time_per_font: avg_time_per_font.round(4),
  }
end

# File lib/fontist/system_index.rb, line 23
def total_fonts=(value)
  @mutex.synchronize { @total_fonts = value }
end