// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

generator client {
  provider = "prisma-client-js"
  output   = "../generated/prisma"
}

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

enum OperatorCode {
  ORANGE
  MTN
  AIRTEL
  VODACOM
  MOOV
}

enum PaymentStatus {
  PENDING
  SUCCESS
  FAILED
  REFUNDED
}

enum SubscriptionStatus {
  PENDING
  TRIAL
  ACTIVE
  SUSPENDED
  CANCELLED
  EXPIRED
  FAILED
}

model Operator {
  id        String       @id @default(cuid())
  code      OperatorCode
  name      String
  country   String
  config    Json
  active    Boolean      @default(true)
  createdAt DateTime     @default(now())
  updatedAt DateTime     @updatedAt
  
  users     User[]
}

model User {
  id          String    @id @default(cuid())
  msisdn      String    @unique
  userToken   String    @unique
  userAlias   String
  operatorId  String
  partnerId   String
  country     String
  metadata    Json?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt
  
  operator      Operator       @relation(fields: [operatorId], references: [id])
  partner       Partner        @relation(fields: [partnerId], references: [id])
  subscriptions Subscription[]
  payments      Payment[]
  invoices      Invoice[]      // Added relation
}

model Plan {
  id            String   @id @default(cuid())
  partnerId     String
  code          String
  name          String
  description   String?
  amount        Float
  currency      String
  interval      String   // DAILY, WEEKLY, MONTHLY, YEARLY
  intervalCount Int      @default(1)
  trialDays     Int      @default(0)
  features      Json?    // Array of features
  limits        Json?    // Object with usage limits
  metadata      Json?
  active        Boolean  @default(true)
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt

  partner       Partner        @relation(fields: [partnerId], references: [id])
  subscriptions Subscription[]

  @@unique([partnerId, code])
  @@index([partnerId, active])
}

model Invoice {
  id                 String    @id @default(cuid())
  number             String    @unique
  subscriptionId     String
  userId             String
  partnerId          String
  paymentId          String?   @unique
  amount             Float
  currency           String
  status             String    // PENDING, PAID, FAILED, CANCELLED
  billingPeriodStart DateTime
  billingPeriodEnd   DateTime
  dueDate            DateTime
  paidAt             DateTime?
  items              Json      // Array of line items
  attempts           Int       @default(0)
  failureReason      String?
  metadata           Json?
  createdAt          DateTime  @default(now())
  updatedAt          DateTime  @updatedAt

  subscription Subscription @relation(fields: [subscriptionId], references: [id])
  user         User         @relation(fields: [userId], references: [id])
  partner      Partner      @relation(fields: [partnerId], references: [id])
  payment      Payment?     @relation(fields: [paymentId], references: [id])

  @@index([subscriptionId])
  @@index([partnerId, status])
}

model Subscription {
  id                  String             @id @default(cuid())
  userId              String
  planId              String
  partnerId           String
  status              SubscriptionStatus
  currentPeriodStart  DateTime
  currentPeriodEnd    DateTime
  nextBillingDate     DateTime?
  trialEndsAt         DateTime?
  cancelledAt         DateTime?
  suspendedAt         DateTime?
  failureCount        Int                @default(0)
  renewalCount        Int                @default(0)
  lastPaymentId       String?
  metadata            Json?
  createdAt           DateTime           @default(now())
  updatedAt           DateTime           @updatedAt
  
  user                User               @relation(fields: [userId], references: [id])
  plan                Plan               @relation(fields: [planId], references: [id])
  partner             Partner            @relation(fields: [partnerId], references: [id])
  payments            Payment[]
  invoices            Invoice[]          // Added relation
}

model Payment {
  id                String        @id @default(cuid())
  userId            String
  partnerId         String
  subscriptionId    String?
  amount            Float
  currency          String
  description       String
  reference         String        @unique
  operatorReference String?
  status            PaymentStatus
  failureReason     String?
  metadata          Json?
  completedAt       DateTime?
  createdAt         DateTime      @default(now())
  updatedAt         DateTime      @updatedAt
  
  user         User          @relation(fields: [userId], references: [id])
  partner      Partner       @relation(fields: [partnerId], references: [id])
  subscription Subscription? @relation(fields: [subscriptionId], references: [id])
  refunds      Refund[]
  invoice      Invoice?      // Added relation
}

model Refund {
  id        String   @id @default(cuid())
  paymentId String
  amount    Float
  reason    String?
  status    String
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  
  payment Payment @relation(fields: [paymentId], references: [id])
}

model Webhook {
  id          String   @id @default(cuid())
  url         String
  event       String
  payload     Json
  response    Json?
  status      String
  attempts    Int      @default(0)
  lastAttempt DateTime?
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
}

model Partner {
  id            String   @id @default(cuid())
  name          String
  email         String   @unique
  passwordHash  String
  apiKey        String   @unique
  secretKey     String
  status        String   @default("PENDING")
  companyInfo   Json?
  callbacks     Json?
  country       String
  metadata      Json?
  keysRotatedAt DateTime?
  createdAt     DateTime @default(now())
  updatedAt     DateTime @updatedAt
  
  users         User[]
  subscriptions Subscription[]
  payments      Payment[]
  authSessions  AuthSession[]
  plans         Plan[]          // Added relation
  invoices      Invoice[]       // Added relation
}

model AuthSession {
  id          String   @id @default(cuid())
  sessionId   String   @unique
  partnerId   String
  userId      String?
  msisdn      String
  operator    String
  country     String
  authMethod  String
  challengeId String?
  status      String
  expiresAt   DateTime
  createdAt   DateTime @default(now())
  updatedAt   DateTime @updatedAt
  
  partner Partner @relation(fields: [partnerId], references: [id])
}

model Notification {
  id            String    @id @default(cuid())
  partnerId     String
  userId        String?
  type          String    // PAYMENT, SUBSCRIPTION, ALERT, MARKETING
  channel       String    // SMS, EMAIL, WEBHOOK
  recipient     String
  subject       String?
  content       String
  templateId    String?
  status        String    // PENDING, SENT, FAILED
  batchId       String?
  scheduledFor  DateTime?
  sentAt        DateTime?
  failedAt      DateTime?
  failureReason String?
  response      Json?
  metadata      Json?
  createdAt     DateTime  @default(now())
  updatedAt     DateTime  @updatedAt
  
  partner Partner @relation(fields: [partnerId], references: [id])
  user    User?   @relation(fields: [userId], references: [id])
}