# This styleguide is built on top of the default Rubocop styleguide, located here:
# https://github.com/bbatsov/rubocop/blob/master/config/default.yml.

require: rubocop-rails

AllCops:

  # By default, Rubocop now displays warnings for all cops that are going to be enabled in the next
  # minor version. This disables those cops. We'll pick them up when Rubocop decided they're good
  # enough to enable by default for everyone.
  NewCops: disable

  Exclude:
    - 'db/schema.rb'
    - 'bin/*'

##########
# LAYOUT #
##########

Layout/ArgumentAlignment:
  EnforcedStyle: with_fixed_indentation

Layout/BlockAlignment:
  EnforcedStyleAlignWith: start_of_block

Layout/CaseIndentation:
  EnforcedStyle: end

Layout/EmptyLinesAroundAttributeAccessor:
  Enabled: true

# Unfortuantely, this rule can't be refined to the point of being useful.
Layout/EmptyLinesAroundMethodBody:
  Enabled: false

Layout/EmptyLinesAroundExceptionHandlingKeywords:
  Enabled: false

Layout/EmptyLineAfterGuardClause:
  Enabled: false

Layout/EmptyLinesAroundClassBody:
  Enabled: false

Layout/EmptyLinesAroundBlockBody:
  Enabled: false

Layout/EmptyLinesAroundModuleBody:
  Enabled: false

Layout/EmptyLineBetweenDefs:
  AllowAdjacentOneLineDefs: true
  NumberOfEmptyLines: 1

Layout/EndAlignment:
  EnforcedStyleAlignWith: start_of_line

Layout/EndOfLine:
  EnforcedStyle: lf

Layout/ExtraSpacing:
  AllowForAlignment: false

Layout/FirstArgumentIndentation:
  EnforcedStyle: consistent

Layout/FirstArrayElementIndentation:
  EnforcedStyle: consistent

Layout/FirstHashElementIndentation:
  EnforcedStyle: consistent

Layout/HashAlignment:
  Enabled: false

Layout/LineLength:
  Max: 100
  AllowHeredoc: false
  AllowURI: false

Layout/MultilineMethodCallIndentation:
  EnforcedStyle: indented

Layout/MultilineOperationIndentation:
  EnforcedStyle: indented

# Ideally we'd be able to configure begin/rescue blocks to align how our other blocks do, but for
# now there doesn't seem to be an option for it.
#
# TODO: Move this rule change to optimum-energy-rubocop-config.
Layout/RescueEnsureAlignment:
  Enabled: false

Layout/SpaceInsideArrayLiteralBrackets:
  EnforcedStyle: space

Layout/SpaceAroundMethodCallOperator:
  Enabled: true

Layout/SpaceAroundOperators:
  AllowForAlignment: false

Layout/SpaceBeforeFirstArg:
  AllowForAlignment: false

Layout/SpaceInsideStringInterpolation:
  EnforcedStyle: space

########
# LINT #
########

Lint/RaiseException:
  Enabled: true

# Rubocop has a nasty habit of removing inline rule declarations, even when they're necessary. This
# disables that behavior.
Lint/RedundantCopEnableDirective:
  AutoCorrect: false

Lint/StructNewOverride:
    Enabled: true

Lint/UnusedBlockArgument:
  AutoCorrect: false

Lint/UnusedMethodArgument:
  AutoCorrect: false

###########
# METRICS #
###########

Metrics/AbcSize:
  Enabled: false

Metrics/BlockLength:
  Enabled: true
  Max: 100
  Exclude:
    - 'spec/**/*'

Metrics/ClassLength:
  Enabled: true
  Max: 300

Metrics/CyclomaticComplexity:
  Enabled: false

Metrics/MethodLength:
  Max: 50

Metrics/ModuleLength:
  Enabled: false

Metrics/PerceivedComplexity:
  Enabled: false

##########
# NAMING #
##########

Naming/FileName:
  ExpectMatchingDefinition: true
  Exclude:
    - 'config/**/*'
    - 'bin/**/*'
    - 'db/**/*'
    - 'spec/**/*'
    - '**/config.ru'
    - 'lib/tasks/**'

Naming/RescuedExceptionsVariableName:
  PreferredName: exception

#########
# RAILS #
#########

Rails:
  Enabled: true

Rails/BulkChangeTable:
  Enabled: false

Rails/Date:
  EnforcedStyle: strict

Rails/FilePath:
  Enabled: false

# By default, the Rubocop Rails rules warn against using has_and_belongs_to_many. This disables that
# behavior. Don't you tell me what to do Rubocop.
Rails/HasAndBelongsToMany:
  Enabled: false

Rails/NotNullColumn:
  Enabled: false

Rails/RequestReferer:
  EnforcedStyle: referrer

Rails/TimeZone:
  EnforcedStyle: strict

#########
# STYLE #
#########

Style/AccessModifierDeclarations:
  EnforcedStyle: inline

Style/ConditionalAssignment:
  EnforcedStyle: assign_to_condition

Style/Copyright:
  Enabled: false

Style/Documentation:
  Enabled: false

Style/DoubleNegation:
  Enabled: false

Style/EachWithObject:
  Enabled: false

Style/EmptyMethod:
  AutoCorrect: false

Style/ExponentialNotation:
  Enabled: true
  AutoCorrect: true

Style/FormatString:
  EnforcedStyle: percent

# This rule is wrong for Rails validation messages.
Style/FormatStringToken:
  Enabled: false

# TODO: This won't be necessary when we upgrade to Ruby 3.0. Until then, rather than adding a
# comment to every file, we should only add it to the files where it's necessary.
Style/FrozenStringLiteralComment:
  EnforcedStyle: never

Style/HashEachMethods:
  Enabled: true

Style/HashTransformKeys:
  Enabled: true

Style/HashTransformValues:
  Enabled: true

Style/MultilineBlockChain:
  Enabled: false

Style/MultilineTernaryOperator:
  Enabled: false

Style/PercentLiteralDelimiters:
  Enabled: false

Style/RegexpLiteral:
  Enabled: false

Style/ReturnNil:
  Enabled: true

Style/SlicingWithRange:
  Enabled: true

Style/StringLiterals:
  EnforcedStyle: double_quotes

Style/SymbolArray:
  MinSize: 3

Style/WordArray:
  MinSize: 3