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

datasource db {
  // Production + shared host: PostgreSQL. Local: Docker Postgres or same server DB.
  provider = "postgresql"
  url      = env("DATABASE_URL")
}

enum ProductType {
  hamkar
  khanegi
}

enum UserRole {
  super_admin
  viewer
}

enum SmsLedgerType {
  charge
  debit
  adjust
}

model User {
  id           String     @id @default(cuid())
  mobile       String     @unique
  firstName    String     @map("first_name")
  lastName     String     @map("last_name")
  /// Optional legacy/contact email — login uses mobile
  email        String?    @unique
  passwordHash String     @map("password_hash")
  role         UserRole   @default(super_admin)
  isActive     Boolean    @default(true) @map("is_active")
  createdAt    DateTime   @default(now()) @map("created_at")
  updatedAt    DateTime   @updatedAt @map("updated_at")
  auditLogs    AuditLog[]

  @@map("users")
}

model Tenant {
  id               String      @id @default(cuid())
  product          ProductType
  slug             String      @unique
  nameFa           String      @map("name_fa")
  nameEn           String?     @map("name_en")
  domain           String      @unique
  domains          Json?
  avatarUrl        String?     @map("avatar_url")
  primaryColor     String?     @map("primary_color")
  secondaryColor   String?     @map("secondary_color")
  backgroundColor  String?     @map("background_color")
  nodeServer       String      @map("node_server")
  nodeWs           String?     @map("node_ws")
  appUrl           String?     @map("app_url")
  adminUrl         String?     @map("admin_url")
  remoteApiToken   String?     @map("remote_api_token")
  /// Legacy cache from older sync attempts — SuperAdmin SMS account is now source of truth
  smsSettingsCache Json?       @map("sms_settings_cache")
  smsSyncedAt      DateTime?   @map("sms_synced_at")
  /// Full Khanegi UI JSON (theme, navigation, pages). Hamkar: unused for now.
  appUiConfig      Json?       @map("app_ui_config")
  /// Client cache-bust / force-reload signal for this sold version (GET /get_version).
  appVersion       String      @default("1") @map("app_version")
  isActive         Boolean     @default(true) @map("is_active")
  notes            String?
  createdAt        DateTime    @default(now()) @map("created_at")
  updatedAt        DateTime    @updatedAt @map("updated_at")
  auditLogs        AuditLog[]
  smsAccount       SmsAccount?
  /// 0..N hosting/billing servers per sold version (not the same as nodeServer API URL)
  serverAccounts   ServerAccount[]
  pluginSubscriptions PluginSubscription[]

  @@index([product])
  @@index([isActive])
  @@map("tenants")
}

/// SuperAdmin-owned SMS wallet + gateway config per sold version.
/// Does NOT replace Hamkar/Khanegi internal SMS panels yet.
model SmsAccount {
  id                  String   @id @default(cuid())
  tenantId            String   @unique @map("tenant_id")
  balanceRials        Int      @default(0) @map("balance_rials")
  pricePerPartRials   Int      @default(2500) @map("price_per_part_rials")
  isBlocked           Boolean  @default(false) @map("is_blocked")
  /// below this => red/critical
  alertCriticalRials  Int      @default(10000) @map("alert_critical_rials")
  /// at/below this (and above critical) => yellow; above => green
  alertWarningRials   Int      @default(100000) @map("alert_warning_rials")
  gatewayProvider     String?  @map("gateway_provider")
  melipayamakUser     String?  @map("melipayamak_user")
  melipayamakPassword String?  @map("melipayamak_password")
  melipayamakFrom     String?  @map("melipayamak_from")
  panelUsername       String?  @map("panel_username")
  panelPassword       String?  @map("panel_password")
  panelFrom           String?  @map("panel_from")
  /// Deposit instructions shown to tenant managers (parity with Hamkar sms-panel)
  chargeCard          String?  @map("charge_card")
  chargeIban          String?  @map("charge_iban")
  chargeHolder        String?  @map("charge_holder")
  chargeInstruction   String?  @map("charge_instruction")
  extraSettings       Json?    @map("extra_settings")
  todayMessages       Int      @default(0) @map("today_messages")
  todayParts          Int      @default(0) @map("today_parts")
  todayCostRials      Int      @default(0) @map("today_cost_rials")
  monthMessages       Int      @default(0) @map("month_messages")
  monthParts          Int      @default(0) @map("month_parts")
  monthCostRials      Int      @default(0) @map("month_cost_rials")
  createdAt           DateTime @default(now()) @map("created_at")
  updatedAt           DateTime @updatedAt @map("updated_at")

  tenant   Tenant       @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  ledgers  SmsLedger[]
  sendLogs SmsSendLog[]

  @@map("sms_accounts")
}

model SmsLedger {
  id                String        @id @default(cuid())
  smsAccountId      String        @map("sms_account_id")
  type              SmsLedgerType
  amountRials       Int           @map("amount_rials")
  balanceAfterRials Int?          @map("balance_after_rials")
  parts             Int?
  note              String?
  createdById       String?       @map("created_by_id")
  createdAt         DateTime      @default(now()) @map("created_at")

  smsAccount SmsAccount @relation(fields: [smsAccountId], references: [id], onDelete: Cascade)

  @@index([smsAccountId])
  @@index([createdAt])
  @@index([type])
  @@map("sms_ledgers")
}

/// Per-tenant SMS send history (filled when products hook consume; empty until then)
model SmsSendLog {
  id                String   @id @default(cuid())
  smsAccountId      String   @map("sms_account_id")
  receiver          String
  body              String
  parts             Int      @default(1)
  pricePerPartRials Int      @map("price_per_part_rials")
  totalAmountRials  Int      @map("total_amount_rials")
  provider          String?
  source            String?
  isAlert           Boolean  @default(false) @map("is_alert")
  createdAt         DateTime @default(now()) @map("created_at")

  smsAccount SmsAccount @relation(fields: [smsAccountId], references: [id], onDelete: Cascade)

  @@index([smsAccountId])
  @@index([createdAt])
  @@index([provider])
  @@map("sms_send_logs")
}

model AuditLog {
  id         String   @id @default(cuid())
  action     String
  entityType String   @map("entity_type")
  entityId   String?  @map("entity_id")
  tenantId   String?  @map("tenant_id")
  userId     String?  @map("user_id")
  before     Json?
  after      Json?
  meta       Json?
  createdAt  DateTime @default(now()) @map("created_at")

  tenant Tenant? @relation(fields: [tenantId], references: [id], onDelete: SetNull)
  user   User?   @relation(fields: [userId], references: [id], onDelete: SetNull)

  @@index([tenantId])
  @@index([userId])
  @@index([createdAt])
  @@map("audit_logs")
}

/// Server hosting status for a sold version.
/// isDedicated=true → customer-owned; SuperAdmin only tracks that flag.
/// isDedicated=false → we manage charge/renewal/expiry alerts.
model ServerAccount {
  id               String    @id @default(cuid())
  tenantId         String    @map("tenant_id")
  isDedicated      Boolean   @default(false) @map("is_dedicated")
  serverName       String?   @map("server_name")
  specs            String?
  /// Price of the current/last plan period (rials)
  priceRials       Int?      @map("price_rials")
  /// Start of current paid period
  chargedAt        DateTime? @map("charged_at")
  /// Plan length in months: 1 | 3 | 6 | 12
  planMonths       Int?      @map("plan_months")
  expiresAt        DateTime? @map("expires_at")
  description      String?
  /// Days before expiry to start SMS alerts (default 3)
  alertDaysBefore  Int       @default(3) @map("alert_days_before")
  /// Last calendar day an expiry alert was sent (avoid multi-send same day)
  lastAlertDate    DateTime? @map("last_alert_date")
  createdAt        DateTime  @default(now()) @map("created_at")
  updatedAt        DateTime  @updatedAt @map("updated_at")

  tenant  Tenant         @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  charges ServerCharge[]

  @@index([tenantId])
  @@index([expiresAt])
  @@index([isDedicated])
  @@map("server_accounts")
}

model ServerCharge {
  id              String   @id @default(cuid())
  serverAccountId String   @map("server_account_id")
  chargedAt       DateTime @map("charged_at")
  planMonths      Int      @map("plan_months")
  priceRials      Int      @map("price_rials")
  expiresAt       DateTime @map("expires_at")
  note            String?
  createdById     String?  @map("created_by_id")
  createdAt       DateTime @default(now()) @map("created_at")

  serverAccount ServerAccount @relation(fields: [serverAccountId], references: [id], onDelete: Cascade)

  @@index([serverAccountId])
  @@index([createdAt])
  @@map("server_charges")
}

/// Paid plugin/addon subscription for a sold version (0..N per tenant).
model PluginSubscription {
  id              String    @id @default(cuid())
  tenantId        String    @map("tenant_id")
  /// Plugin display name (required; each tenant can have many)
  name            String
  specs           String?
  priceRials      Int?      @map("price_rials")
  chargedAt       DateTime? @map("charged_at")
  /// Plan length in months: 1 | 3 | 6 | 12
  planMonths      Int?      @map("plan_months")
  expiresAt       DateTime? @map("expires_at")
  description     String?
  alertDaysBefore Int       @default(3) @map("alert_days_before")
  lastAlertDate   DateTime? @map("last_alert_date")
  isActive        Boolean   @default(true) @map("is_active")
  createdAt       DateTime  @default(now()) @map("created_at")
  updatedAt       DateTime  @updatedAt @map("updated_at")

  tenant  Tenant         @relation(fields: [tenantId], references: [id], onDelete: Cascade)
  charges PluginCharge[]

  @@index([tenantId])
  @@index([expiresAt])
  @@index([isActive])
  @@map("plugin_subscriptions")
}

model PluginCharge {
  id             String   @id @default(cuid())
  pluginId       String   @map("plugin_id")
  chargedAt      DateTime @map("charged_at")
  planMonths     Int      @map("plan_months")
  priceRials     Int      @map("price_rials")
  expiresAt      DateTime @map("expires_at")
  note           String?
  createdById    String?  @map("created_by_id")
  createdAt      DateTime @default(now()) @map("created_at")

  plugin PluginSubscription @relation(fields: [pluginId], references: [id], onDelete: Cascade)

  @@index([pluginId])
  @@index([createdAt])
  @@map("plugin_charges")
}