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

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

model User {
  id        String   @id @default(cuid())
  email     String   @unique
  password  String
  name      String?
  role      Role     @default(ADMIN)
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
}

model Client {
  id           String       @id @default(cuid())
  name         String
  slug         String       @unique
  apiKey       String       @unique @default(cuid())
  isActive     Boolean      @default(true)
  semaphoreKey String?
  senderName   String?      @default("NFC-HUB")
  createdAt    DateTime     @default(now())
  updatedAt    DateTime     @updatedAt
  smsLogs      SmsLog[]
  smsQueue     SmsQueue[]
}

model SmsQueue {
  id           String     @id @default(cuid())
  clientId     String
  client       Client     @relation(fields: [clientId], references: [id])
  studentName  String
  studentId    String
  parentPhone  String
  event        EventType
  timestamp    DateTime
  message      String?
  status       SmsStatus  @default(PENDING)
  attempts     Int        @default(0)
  lastError    String?
  scheduledAt  DateTime   @default(now())
  processedAt  DateTime?
  createdAt    DateTime   @default(now())
  updatedAt    DateTime   @updatedAt
  smsLog       SmsLog?
}

model SmsLog {
  id          String    @id @default(cuid())
  clientId    String
  client      Client    @relation(fields: [clientId], references: [id])
  queueId     String    @unique
  queue       SmsQueue  @relation(fields: [queueId], references: [id])
  phone       String
  message     String
  status      LogStatus
  semaphoreId String?
  errorReason String?
  sentAt      DateTime  @default(now())
  createdAt   DateTime  @default(now())
}

enum Role {
  ADMIN
  VIEWER
}

enum EventType {
  time_in
  time_out
}

enum SmsStatus {
  PENDING
  PROCESSING
  SENT
  FAILED
  RETRYING
}

enum LogStatus {
  SUCCESS
  FAILED
}