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

namespace Semantics.NonStandardInterfaces

-- ═══════════════════════════════════════════════════════════════════════════
-- §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
def ofFrac (num denom : Nat) : Q16_16 :=
  if denom = 0 then zero else ⟨(num * 65536) / denom⟩
def abs (x : Q16_16) : Q16_16 := if x.raw < 0 then ⟨-x.raw⟩ else x
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  Privacy Network Types
-- ═══════════════════════════════════════════════════════════════════════════

inductive PrivacyNetwork | tor | i2p | freenet | zeronet | loki | ipfs deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson
inductive NetworkType | onionRouting | garlicRouting | freenetRouting | p2pWebHosting | sessionMessaging | contentAddressable deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson

structure TechnicalSpecs where
  addressFormat : String
  encryption : String
  transport : String
  ports : String
  dnsResolution : String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

structure PrivacyNetworkData where
  networkType : NetworkType
  protocol : String
  keyFeatures : List String
  technicalSpecs : TechnicalSpecs
  integrationRequirements : List String
  relevance : String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

inductive ChallengeType | addressResolution | connectionManagement | performance | security | browserCompatibility deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson

structure IntegrationChallenge where
  challenge : String
  examples : List String
  solutions : List String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

inductive ArchitectureLayer | networkAbstraction | proxyManagement | browserIntegration | contentHandling | securityIsolation deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson

structure ArchitectureLayerData where
  components : List String
  responsibility : String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

inductive ImplementationPhase | phase1CoreNetworks | phase2ExtendedNetworks | phase3AdvancedNetworks deriving Repr, DecidableEq, Inhabited, Lean.ToJson, Lean.FromJson

structure ImplementationPlan where
  duration : String
  networks : List PrivacyNetwork
  tasks : List String
  deliverables : List String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

structure NetworkCoverage where
  totalNetworks : Nat
  phase1Coverage : Nat
  phase2Coverage : Nat
  phase3Coverage : Nat
  totalImplementationTime : String
  deriving Repr, Inhabited, Lean.ToJson, Lean.FromJson

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

def getCoverage : NetworkCoverage :=
  { totalNetworks := 6, phase1Coverage := 2, phase2Coverage := 2, phase3Coverage := 2, totalImplementationTime := "6 weeks" }

end Semantics.NonStandardInterfaces
