// Prisma schema for ShieldAI
// All models for the multi-service SaaS platform

generator client {
  provider = "prisma-client-js"
}

datasource db {
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

// ============================================
// User & Authentication Models
// ============================================

model User {
  id            String    @id @default(uuid())
  email         String    @unique
  emailVerified DateTime?
  name          String?
  image         String?
  role          UserRole  @default(user)

  // Relationships
  accounts         Account[]
  sessions         Session[]
  familyGroups     FamilyGroupMember[]
  familyGroupOwned FamilyGroup[]       @relation("FamilyGroupOwner")
  subscriptions    Subscription[]
  alerts           Alert[]
  voiceEnrollments VoiceEnrollment[]
  voiceAnalyses    VoiceAnalysis[]
  spamFeedback     SpamFeedback[]
  spamRules        SpamRule[]

  // Audit
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([email])
  @@index([role])
}

enum UserRole {
  user
  family_admin
  family_member
  support
}

model Account {
  id                String  @id @default(uuid())
  userId            String
  provider          String
  providerAccountId String
  access_token      String?
  refresh_token     String?
  expires_at        Int?
  token_type        String?
  scope             String?

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@unique([userId, provider, providerAccountId])
  @@index([userId])
}

model Session {
  id           String   @id @default(uuid())
  userId       String
  sessionToken String   @unique
  expires      DateTime

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([sessionToken])
  @@index([userId])
}

// ============================================
// Family & Subscription Models
// ============================================

model FamilyGroup {
  id        String   @id @default(uuid())
  name      String
  ownerId   String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  owner         User                @relation("FamilyGroupOwner", fields: [ownerId], references: [id])
  members       FamilyGroupMember[]
  subscriptions Subscription[]

  @@index([ownerId])
  @@index([name])
}

model FamilyGroupMember {
  id       String           @id @default(uuid())
  groupId  String
  userId   String
  role     FamilyMemberRole @default(member)
  joinedAt DateTime         @default(now())

  group FamilyGroup @relation(fields: [groupId], references: [id], onDelete: Cascade)
  user  User        @relation(fields: [userId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@unique([groupId, userId])
  @@index([groupId])
  @@index([userId])
}

enum FamilyMemberRole {
  owner
  admin
  member
}

model Subscription {
  id                 String             @id @default(uuid())
  userId             String
  familyGroupId      String?
  stripeId           String?            @unique
  tier               SubscriptionTier   @default(basic)
  status             SubscriptionStatus @default(active)
  currentPeriodStart DateTime
  currentPeriodEnd   DateTime
  cancelAtPeriodEnd  Boolean            @default(false)

  user        User         @relation(fields: [userId], references: [id], onDelete: Cascade)
  familyGroup FamilyGroup? @relation(fields: [familyGroupId], references: [id])

  watchlistItems         WatchlistItem[]
  exposures              Exposure[]
  alerts                 Alert[]
  propertyWatchlistItems PropertyWatchlistItem[]
  propertySnapshots      PropertySnapshot[]
  propertyChanges        PropertyChange[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([userId])
  @@index([familyGroupId])
  @@index([stripeId])
  @@index([tier])
}

enum SubscriptionTier {
  basic
  plus
  premium
}

enum SubscriptionStatus {
  active
  past_due
  canceled
  unpaid
  trialing
}

// ============================================
// DarkWatch Models (Dark Web Monitoring)
// ============================================

model WatchlistItem {
  id             String        @id @default(uuid())
  subscriptionId String
  type           WatchlistType
  value          String
  hash           String // SHA-256 hash for deduplication
  isActive       Boolean       @default(true)

  subscription Subscription @relation(fields: [subscriptionId], references: [id], onDelete: Cascade)
  exposures    Exposure[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@unique([subscriptionId, type, hash])
  @@index([subscriptionId])
  @@index([type])
  @@index([hash])
}

enum WatchlistType {
  email
  phoneNumber
  ssn
  address
  domain
}

model Exposure {
  id              String           @id @default(uuid())
  subscriptionId  String
  watchlistItemId String?
  source          ExposureSource
  dataType        WatchlistType
  identifier      String
  identifierHash  String
  severity        ExposureSeverity @default(info)
  metadata        Json? // Additional source-specific data
  isFirstTime     Boolean          @default(false)

  subscription  Subscription   @relation(fields: [subscriptionId], references: [id], onDelete: Cascade)
  watchlistItem WatchlistItem? @relation(fields: [watchlistItemId], references: [id])
  alerts        Alert[]

  detectedAt DateTime
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  @@index([subscriptionId])
  @@index([watchlistItemId])
  @@index([source])
  @@index([severity])
  @@index([detectedAt])
}

enum ExposureSource {
  hibp // Have I Been Pwned
  securityTrails
  censys
  darkWebForum
  shodan
  honeypot
}

enum ExposureSeverity {
  info
  warning
  critical
}

// ============================================
// Notification & Alert Models
// ============================================

model Alert {
  id             String         @id @default(uuid())
  subscriptionId String
  userId         String
  exposureId     String?
  type           AlertType
  title          String
  message        String
  severity       AlertSeverity  @default(info)
  isRead         Boolean        @default(false)
  readAt         DateTime?
  channel        AlertChannel[] // Array of notification channels

  subscription   Subscription    @relation(fields: [subscriptionId], references: [id], onDelete: Cascade)
  user           User            @relation(fields: [userId], references: [id], onDelete: Cascade)
  exposure       Exposure?       @relation(fields: [exposureId], references: [id])
  propertyChange PropertyChange? @relation("PropertyAlerts", fields: [propertyChangeId], references: [id])

  propertyChangeId String?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([subscriptionId])
  @@index([userId])
  @@index([isRead])
  @@index([createdAt])
}

enum AlertType {
  exposure_detected
  exposure_resolved
  scan_complete
  subscription_changed
  system_warning
}

enum AlertSeverity {
  info
  warning
  critical
}

enum AlertChannel {
  email
  push
  sms
}

// ============================================
// VoicePrint Models (Voice Cloning Detection)
// ============================================

model VoiceEnrollment {
  id            String @id @default(uuid())
  userId        String
  name          String
  voiceHash     String // FAISS embedding hash
  audioMetadata Json? // Sample rate, duration, etc.

  user     User            @relation(fields: [userId], references: [id], onDelete: Cascade)
  analyses VoiceAnalysis[]

  isActive  Boolean  @default(true)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([userId])
  @@index([voiceHash])
}

model VoiceAnalysis {
  id             String  @id @default(uuid())
  enrollmentId   String?
  userId         String
  audioHash      String // Content hash of audio file
  isSynthetic    Boolean
  confidence     Float // 0.0 to 1.0
  analysisResult Json // Full ML analysis results
  audioUrl       String // S3 storage URL

  enrollment VoiceEnrollment? @relation(fields: [enrollmentId], references: [id])
  user       User             @relation(fields: [userId], references: [id])

  createdAt DateTime @default(now())

  @@index([userId])
  @@index([enrollmentId])
  @@index([audioHash])
}

// ============================================
// SpamShield Models (Spam Detection)
// ============================================

model SpamFeedback {
  id              String       @id @default(uuid())
  userId          String
  phoneNumber     String
  phoneNumberHash String // SHA-256 hash
  isSpam          Boolean
  confidence      Float? // ML model confidence
  feedbackType    FeedbackType
  metadata        Json? // Call duration, time, etc.

  user User @relation(fields: [userId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([userId])
  @@index([phoneNumberHash])
  @@index([isSpam])
}

enum FeedbackType {
  initial_detection
  user_confirmation
  user_rejection
  auto_learned
}

model SpamRule {
  id       String     @id @default(uuid())
  userId   String?
  isGlobal Boolean    @default(false)
  ruleType RuleType
  pattern  String
  action   RuleAction
  priority Int        @default(0)
  isActive Boolean    @default(true)

  user User? @relation(fields: [userId], references: [id], onDelete: Cascade)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([userId])
  @@index([isGlobal])
  @@index([ruleType])
}

enum RuleType {
  phoneNumber
  areaCode
  prefix
  pattern
  reputation
}

enum RuleAction {
  block
  flag
  allow
  challenge
}

// ============================================
// Audit & Analytics Models
// ============================================

model AuditLog {
  id         String  @id @default(uuid())
  userId     String?
  action     String
  resource   String
  resourceId String?
  changes    Json? // Before/after values
  metadata   Json?
  ipAddress  String?
  userAgent  String?

  createdAt DateTime @default(now())

  @@index([userId])
  @@index([action])
  @@index([resource])
  @@index([createdAt])
}

model KPISnapshot {
  id          String   @id @default(uuid())
  date        DateTime @unique
  metricName  String
  metricValue Float
  metadata    Json?

  createdAt DateTime @default(now())

  @@index([metricName])
  @@index([date])
}

// ============================================
// Waitlist & Marketing Models
// ============================================

model WaitlistEntry {
  id          String            @id @default(uuid())
  email       String
  name        String?
  source      String? // landing_page, blog, referral, social, paid_search
  tier        SubscriptionTier? // interest level
  utmSource   String?
  utmMedium   String?
  utmCampaign String?
  metadata    Json? // Browser, device, location, etc.

  // Conversion tracking
  convertedAt               DateTime?
  convertedToUserId         String?
  convertedToSubscriptionId String?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([email])
  @@index([source])
  @@index([createdAt])
}

model BlogPost {
  id            String    @id @default(uuid())
  slug          String    @unique
  title         String
  excerpt       String?
  content       String
  authorName    String?
  coverImageUrl String?
  tags          String[] // Array of tag strings
  published     Boolean   @default(false)
  publishedAt   DateTime?
  viewCount     Int       @default(0)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([slug])
  @@index([published, publishedAt])
  @@index([tags])
}

// ============================================
// Home Title Property Monitoring Models
// ============================================

model PropertyWatchlistItem {
  id             String  @id @default(uuid())
  subscriptionId String
  address        String
  parcelId       String
  ownerName      String
  streetAddress  String
  city           String
  state          String
  zipCode        String
  latitude       Float?
  longitude      Float?
  isActive       Boolean @default(true)

  subscription Subscription       @relation(fields: [subscriptionId], references: [id], onDelete: Cascade)
  snapshots    PropertySnapshot[]
  changes      PropertyChange[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@unique([subscriptionId, parcelId])
  @@index([subscriptionId])
  @@index([parcelId])
  @@index([address])
}

model PropertySnapshot {
  id                      String  @id @default(uuid())
  propertyWatchlistItemId String
  subscriptionId          String
  ownerName               String
  ownerAddress            String?
  assessmentValue         Int?
  assessedYear            Int?
  taxAmount               Float?
  taxYear                 Int?
  lienData                Json? // Array of liens with amounts, types, dates
  deedData                Json? // Latest deed information
  metadata                Json? // Additional property data from sources

  propertyWatchlistItem PropertyWatchlistItem @relation(fields: [propertyWatchlistItemId], references: [id], onDelete: Cascade)
  subscription          Subscription          @relation(fields: [subscriptionId], references: [id], onDelete: Cascade)
  changes               PropertyChange[]      @relation("SnapshotChanges")

  snapshotDate DateTime
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  @@index([propertyWatchlistItemId])
  @@index([subscriptionId])
  @@index([snapshotDate])
}

model PropertyChange {
  id                      String                 @id @default(uuid())
  propertyWatchlistItemId String?
  subscriptionId          String
  snapshotId              String? // Reference to the snapshot where change was detected
  changeType              PropertyChangeType
  severity                PropertyChangeSeverity @default(info)
  previousValue           Json? // Before state
  newValue                Json? // After state
  diff                    Json? // Computed diff between states
  title                   String // Short description
  description             String // Detailed explanation
  isResolved              Boolean                @default(false)
  resolvedAt              DateTime?
  resolvedByUserId        String?

  propertyWatchlistItem PropertyWatchlistItem? @relation(fields: [propertyWatchlistItemId], references: [id])
  subscription          Subscription           @relation(fields: [subscriptionId], references: [id], onDelete: Cascade)
  snapshot              PropertySnapshot?      @relation("SnapshotChanges", fields: [snapshotId], references: [id])
  alerts                Alert[]                @relation("PropertyAlerts")

  detectedAt DateTime
  createdAt  DateTime @default(now())
  updatedAt  DateTime @updatedAt

  @@index([propertyWatchlistItemId])
  @@index([subscriptionId])
  @@index([changeType])
  @@index([severity])
  @@index([detectedAt])
  @@index([isResolved])
}

enum PropertyChangeType {
  ownership_transfer
  deed_change
  lien_filing
  tax_change
  assessment_change
}

enum PropertyChangeSeverity {
  info
  warning
  critical
}