import Mathlib.Data.Nat.Basic
import Mathlib.Data.List.Basic
import Lean.Data.Json

namespace Semantics.SwarmCodeReview

-- ═══════════════════════════════════════════════════════════════════════════
-- §0  Q16.16 Fixed-Point for Scoring
-- ═══════════════════════════════════════════════════════════════════════════

structure Q16_16 where
  raw : Int
  deriving Repr, DecidableEq, Inhabited, BEq

namespace Q16_16
def zero : Q16_16 := ⟨0⟩
def one : Q16_16 := ⟨65536⟩
def ofNat (n : Nat) : Q16_16 := ⟨n * 65536⟩
def toNat (q : Q16_16) : Nat := q.raw.toNat / 65536
end Q16_16

instance : Lean.ToJson Q16_16 := ⟨fun q => Lean.toJson q.raw⟩
instance : Lean.FromJson Q16_16 := ⟨fun j => match Lean.fromJson? j with | .ok r => .ok ⟨r⟩ | .error e => .error e⟩

-- ═══════════════════════════════════════════════════════════════════════════
-- §1  Review Finding Types
-- ═══════════════════════════════════════════════════════════════════════════

inductive Severity | critical | high | medium | low | info deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson
inductive FindingState | isFixed | isPartial | isUnfixed | isNew deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson
inductive FindingCategory | numericCorrectness | safety | typeSafety | proofs | naming | correctness | proofQuality | completeness | proofCoverage deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson

structure ReviewFinding where
  category : FindingCategory
  severity : Severity
  issue : String
  state : FindingState
  evidence : String
  recommendation : String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

inductive Verdict | approved | conditional | rejected deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson

structure ReviewReport where
  reviewId : String
  verdict : Verdict
  qualityScore : Q16_16
  findings : List ReviewFinding
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

-- (Rest of the logic remains same, just need a CLI entry point)

def exampleReport : ReviewReport :=
  { reviewId := "SWARM-REVIEW-FORMAL"
    verdict := .approved
    qualityScore := Q16_16.one
    findings := [] }

end Semantics.SwarmCodeReview
