run:
  timeout: 5m
  tests: true
  go: "1.24"
  build-tags:
    - test

# golangci-lint configuration version
version: 2

output:
  format: colored-line-number
  print-issued-lines: true
  print-linter-name: true
  path-prefix: ""
  sort-results: true

linters:
  enable-all: true
  disable:
    - depguard       # Too strict for general use
    - exhaustruct    # Too many false positives
    - ireturn        # Too restrictive on interfaces
    - varnamelen     # Too opinionated on name length
    - wrapcheck      # Too many false positives
    - testpackage    # Tests in same package are fine
    - paralleltest   # Not always necessary
    - tparallel      # Not always necessary
    - nlreturn       # Too opinionated on newlines
    - wsl            # Too opinionated on whitespace
    - nonamedreturns # Conflicts with gocritic unnamedResult

linters-settings:
  errcheck:
    check-type-assertions: true
    check-blank: true
    exclude-functions:
      - io.Copy
      - fmt.Print
      - fmt.Printf
      - fmt.Println

  govet:
    enable-all: true

  gocyclo:
    min-complexity: 15

  gocognit:
    min-complexity: 20

  goconst:
    min-len: 3
    min-occurrences: 3

  gofmt:
    simplify: true
    rewrite-rules:
      - pattern: 'interface{}'
        replacement: 'any'

  goimports:
    local-prefixes: github.com/ivuorinen/gibidify

  golint:
    min-confidence: 0.8

  lll:
    line-length: 120
    tab-width: 2  # EditorConfig: tab_width = 2

  misspell:
    locale: US

  nakedret:
    max-func-lines: 30

  prealloc:
    simple: true
    range-loops: true
    for-loops: true

  revive:
    enable-all-rules: true
    rules:
      - name: package-comments
        disabled: true
      - name: file-header
        disabled: true
      - name: max-public-structs
        disabled: true
      - name: line-length-limit
        arguments: [120]
      - name: function-length
        arguments: [50, 100]
      - name: cognitive-complexity
        arguments: [20]
      - name: cyclomatic
        arguments: [15]
      - name: add-constant
        arguments:
          - maxLitCount: "3"
            allowStrs: "\"error\",\"\""
            allowInts: "0,1,2"
      - name: argument-limit
        arguments: [6]
      - name: banned-characters
        disabled: true
      - name: function-result-limit
        arguments: [3]

  gosec:
    excludes:
      - G104  # Handled by errcheck
    severity: medium
    confidence: medium
    exclude-generated: true
    config:
      G301: "0750"
      G302: "0640"
      G306: "0640"

  dupl:
    threshold: 150

  gocritic:
    enabled-tags:
      - diagnostic
      - experimental
      - opinionated
      - performance
      - style
    disabled-checks:
      - whyNoLint
      - paramTypeCombine

  gofumpt:
    extra-rules: true

  # EditorConfig compliance settings
  # These settings enforce .editorconfig rules:
  # - end_of_line = lf (enforced by gofumpt)
  # - insert_final_newline = true (enforced by gofumpt)
  # - trim_trailing_whitespace = true (enforced by whitespace linter)
  # - indent_style = tab, tab_width = 2 (enforced by gofumpt and lll)

  whitespace:
    multi-if: false     # EditorConfig: trim trailing whitespace
    multi-func: false   # EditorConfig: trim trailing whitespace

  nolintlint:
    allow-leading-space: false  # EditorConfig: trim trailing whitespace
    allow-unused: false
    require-explanation: false
    require-specific: true

  godox:
    keywords:
      - FIXME
      - BUG
      - HACK

  mnd:
    settings:
      mnd:
        checks:
          - argument
          - case
          - condition
          - operation
          - return
          - assign
        ignored-numbers:
          - '0'
          - '1'
          - '2'
          - '10'
          - '100'

  funlen:
    lines: 80
    statements: 60

  nestif:
    min-complexity: 5

  gomodguard:
    allowed:
      modules: []
      domains: []
    blocked:
      modules: []
      versions: []

issues:
  exclude-use-default: false
  exclude-case-sensitive: false
  max-issues-per-linter: 0
  max-same-issues: 0
  uniq-by-line: true

  exclude-dirs:
    - vendor
    - third_party
    - testdata
    - examples
    - .git

  exclude-files:
    - ".*\\.pb\\.go$"
    - ".*\\.gen\\.go$"

  exclude-rules:
    - path: _test\.go
      linters:
        - dupl
        - gosec
        - goconst
        - funlen
        - gocognit
        - gocyclo
        - errcheck
        - lll
        - nestif

    - path: main\.go
      linters:
        - gochecknoglobals
        - gochecknoinits

    - path: fileproc/filetypes\.go
      linters:
        - gochecknoglobals  # Allow globals for singleton registry pattern

    - text: "Using the variable on range scope"
      linters:
        - scopelint

    - text: "should have comment or be unexported"
      linters:
        - golint
        - revive

    - text: "don't use ALL_CAPS in Go names"
      linters:
        - golint
        - stylecheck

  exclude:
    - "Error return value of .* is not checked"
    - "exported (type|method|function) .* should have comment"
    - "ST1000: at least one file in a package should have a package comment"

severity:
  default-severity: error
  case-sensitive: false