# Go — complexity smells (detection only, no `fix:` → Track B / semantic).

id: go-deep-nesting
language: Go
severity: warning
message: "Deeply nested conditional (>=3 levels) — consider early returns."
rule:
  kind: if_statement
  inside:
    kind: if_statement
    stopBy: end
    inside:
      kind: if_statement
      stopBy: end

---
id: go-long-param-list
language: Go
severity: warning
message: "Long parameter list (>=5) — consider a struct parameter."
rule:
  kind: parameter_list
  has:
    kind: parameter_declaration
    nthChild: 5

---
id: go-magic-number
language: Go
severity: info
message: "Magic number in an expression — consider a named constant."
rule:
  all:
    - kind: int_literal
    - not: { regex: "^(0|1|2|10|100|1000)$" }
    - inside: { kind: binary_expression }
    # Skip literals already named via const/var declaration.
    - not: { inside: { kind: const_spec, stopBy: end } }
    - not: { inside: { kind: var_spec, stopBy: end } }