class RuboCop::Cop::Team

# File lib/rubocop/cop/team.rb, line 98
def self.forces_for(cops)
  needed = Hash.new { |h, k| h[k] = [] }
  cops.each do |cop|
    forces = cop.class.joining_forces
    if forces.is_a?(Array)
      forces.each { |force| needed[force] << cop }
    elsif forces
      needed[forces] << cop
    end
  end

  needed.map { |force_class, joining_cops| force_class.new(joining_cops) }
end

# File lib/rubocop/cop/team.rb, line 36
def self.mobilize(cop_classes, config, options = {})
  cops = mobilize_cops(cop_classes, config, options)
  new(cops, config, options)
end

# File lib/rubocop/cop/team.rb, line 42
def self.mobilize_cops(cop_classes, config, options = {})
  cop_classes = Registry.new(cop_classes.to_a, options) unless cop_classes.is_a?(Registry)

  cop_classes.enabled(config).map do |cop_class|
    cop_class.new(config, options)
  end
end

# File lib/rubocop/cop/team.rb, line 17
def initialize(cops, config = nil, options = {})
  @cops = cops
  @config = config
  @options = options
  reset
  @ready = true

  validate_config
end

# File lib/rubocop/cop/team.rb, line 28
def self.new(cop_or_classes, config, options = {})
  # Support v0 api:
  return mobilize(cop_or_classes, config, options) if cop_or_classes.first.is_a?(Class)

  super
end

# File lib/rubocop/cop/team.rb, line 50
def autocorrect?
  @options[:autocorrect]
end

# File lib/rubocop/cop/team.rb, line 54
def debug?
  @options[:debug]
end

# File lib/rubocop/cop/team.rb, line 112
def external_dependency_checksum
  keys = cops.map(&:external_dependency_checksum).compact
  Digest::SHA1.hexdigest(keys.join)
end

# File lib/rubocop/cop/team.rb, line 93
def forces
  @forces ||= self.class.forces_for(cops)
end

# File lib/rubocop/cop/team.rb, line 60
def inspect_file(processed_source)
  investigate(processed_source).offenses
end

# File lib/rubocop/cop/team.rb, line 65
def investigate(processed_source)
  be_ready

  # The autocorrection process may have to be repeated multiple times
  # until there are no corrections left to perform
  # To speed things up, run autocorrecting cops by themselves, and only
  # run the other cops when no corrections are left
  on_duty = roundup_relevant_cops(processed_source.file_path)

  autocorrect_cops, other_cops = on_duty.partition(&:autocorrect?)

  report = investigate_partial(autocorrect_cops, processed_source)

  unless autocorrect(processed_source, report)
    # If we corrected some errors, another round of inspection will be
    # done, and any other offenses will be caught then, so only need
    # to check other_cops if no correction was done
    report = report.merge(investigate_partial(other_cops, processed_source))
  end

  process_errors(processed_source.path, report.errors)

  report
ensure
  @ready = false
end

# File lib/rubocop/cop/team.rb, line 119
def autocorrect(processed_source, report)
  @updated_source_file = false
  return unless autocorrect?
  return if report.processed_source.parser_error

  new_source = autocorrect_report(report)

  return unless new_source

  if @options[:stdin]
    # holds source read in from stdin, when --stdin option is used
    @options[:stdin] = new_source
  else
    filename = processed_source.buffer.name
    File.write(filename, new_source)
  end
  @updated_source_file = true
end

# File lib/rubocop/cop/team.rb, line 178
def autocorrect_report(report)
  corrector = collate_corrections(report)

  corrector.rewrite unless corrector.empty?
end

# File lib/rubocop/cop/team.rb, line 138
def be_ready
  return if @ready

  reset
  @cops.map!(&:ready)
  @ready = true
end

# File lib/rubocop/cop/team.rb, line 184
def collate_corrections(report)
  corrector = Corrector.new(report.processed_source)

  each_corrector(report) do |to_merge|
    suppress_clobbering do
      corrector.merge!(to_merge)
    end
  end

  corrector
end

# File lib/rubocop/cop/team.rb, line 196
def each_corrector(report)
  skips = Set.new
  report.cop_reports.each do |cop_report|
    cop = cop_report.cop
    corrector = cop_report.corrector

    next if corrector.nil? || corrector.empty?
    next if skips.include?(cop.class)

    yield corrector

    skips.merge(cop.class.autocorrect_incompatible_with)
  end
end

# File lib/rubocop/cop/team.rb, line 246
def handle_error(error, location, cop)
  message = Rainbow("An error occurred while #{cop.name} cop was inspecting #{location}.").red
  @errors << message
  warn message
  if debug?
    puts error.message, error.backtrace
  else
    warn 'To see the complete backtrace run rubocop -d.'
  end
end

# File lib/rubocop/cop/team.rb, line 238
def handle_warning(error, location)
  message = Rainbow("#{error.message} (from file: #{location})").yellow

  @warnings << message
  warn message
  puts error.backtrace if debug?
end

# File lib/rubocop/cop/team.rb, line 152
def investigate_partial(cops, processed_source)
  commissioner = Commissioner.new(cops, self.class.forces_for(cops), @options)
  commissioner.investigate(processed_source)
end

# File lib/rubocop/cop/team.rb, line 223
def process_errors(file, errors)
  errors.each do |error|
    line = ":#{error.line}" if error.line
    column = ":#{error.column}" if error.column
    location = "#{file}#{line}#{column}"
    cause = error.cause

    if cause.is_a?(Warning)
      handle_warning(cause, location)
    else
      handle_error(cause, location, error.cop)
    end
  end
end

# File lib/rubocop/cop/team.rb, line 146
def reset
  @errors = []
  @warnings = []
end

# File lib/rubocop/cop/team.rb, line 158
def roundup_relevant_cops(filename)
  cops.reject do |cop|
    cop.excluded_file?(filename) ||
      !support_target_ruby_version?(cop) ||
      !support_target_rails_version?(cop)
  end
end

# File lib/rubocop/cop/team.rb, line 172
def support_target_rails_version?(cop)
  return true unless cop.class.respond_to?(:support_target_rails_version?)

  cop.class.support_target_rails_version?(cop.target_rails_version)
end

# File lib/rubocop/cop/team.rb, line 166
def support_target_ruby_version?(cop)
  return true unless cop.class.respond_to?(:support_target_ruby_version?)

  cop.class.support_target_ruby_version?(cop.target_ruby_version)
end

# File lib/rubocop/cop/team.rb, line 211
def suppress_clobbering
  yield
rescue ::Parser::ClobberingError
  # ignore Clobbering errors
end

# File lib/rubocop/cop/team.rb, line 217
def validate_config
  cops.each do |cop|
    cop.validate_config if cop.respond_to?(:validate_config)
  end
end