// Doc_manager — модель данных
// Полиморфная таблица documents для contract/invoice/act/upd.
// organization_id присутствует на всех owner-scoped таблицах (single-tenant v1, готово к multi-tenant).

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

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

enum DocType {
  contract
  invoice
  act
  upd
}

enum DocStatus {
  draft
  issued
  sent
  partially_paid
  paid
  cancelled
  signed
}

enum VatRate {
  none
  vat_0    @map("0")
  vat_5    @map("5")
  vat_7    @map("7")
  vat_10   @map("10")
  vat_20   @map("20")
}

enum ClientKind {
  ul   // юр.лицо
  ip   // ИП
  fl   // физ.лицо
}

enum TochkaEnv {
  sandbox
  prod
}

enum PaymentKind {
  incoming
  incoming_sbp
  incoming_sbp_b2b
  outgoing
}

model Organization {
  id           String   @id @default(uuid()) @db.Uuid
  name         String
  shortName    String?  // короткое имя для бейджей в UI / селектора
  inn          String
  kpp          String?
  ogrn         String?
  legalAddress String?
  // Поля bankName/bankBik/bankAccount устарели после введения BankAccount.
  // Оставлены для обратной совместимости с уже сохранёнными данными.
  bankName     String?
  bankBik      String?
  bankAccount  String?
  signatoryName     String?
  signatoryPosition String?
  archivedAt   DateTime?
  createdAt    DateTime @default(now())
  updatedAt    DateTime @updatedAt

  clients          Client[]
  servicesCatalog  ServiceCatalog[]
  templates        DocumentTemplate[]
  documents        Document[]
  payments         Payment[]
  tochkaCredentials TochkaCredential[]
  auditLog         AuditLog[]
  bankAccounts     BankAccount[]
}

model BankAccount {
  id              String   @id @default(uuid()) @db.Uuid
  organizationId  String   @db.Uuid
  organization    Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)
  name            String   // отображаемое имя, напр. "Точка — основной"
  bankName        String?
  bankBik         String?
  accountNumber   String?  // р/счёт (20 цифр)
  corrAccount     String?  // к/счёт (20 цифр)
  currency        String   @default("RUB")
  isPrimary       Boolean  @default(false)
  archivedAt      DateTime?
  createdAt       DateTime @default(now())
  updatedAt       DateTime @updatedAt

  tochkaCredentials TochkaCredential[]

  @@index([organizationId])
}

model Client {
  id             String     @id @default(uuid()) @db.Uuid
  organizationId String     @db.Uuid
  organization   Organization @relation(fields: [organizationId], references: [id])
  kind           ClientKind
  name           String
  inn            String?
  kpp            String?
  address        String?
  email          String?
  phone          String?
  contactPerson  String?
  requisitesJson Json?
  createdAt      DateTime   @default(now())
  updatedAt      DateTime   @updatedAt

  documents Document[]

  @@index([organizationId])
  @@index([organizationId, name])
}

model ServiceCatalog {
  id                String   @id @default(uuid()) @db.Uuid
  organizationId    String   @db.Uuid
  organization      Organization @relation(fields: [organizationId], references: [id])
  name              String
  unit              String   // "шт", "час", "мес"
  defaultPriceCents BigInt   @default(0)
  defaultVat        VatRate  @default(none)
  notes             String?
  archivedAt        DateTime?
  createdAt         DateTime @default(now())
  updatedAt         DateTime @updatedAt

  lines DocumentLine[]

  @@index([organizationId])
  @@index([organizationId, archivedAt])
}

model DocumentTemplate {
  id             String   @id @default(uuid()) @db.Uuid
  organizationId String   @db.Uuid
  organization   Organization @relation(fields: [organizationId], references: [id])
  docType        DocType
  name           String
  body           Json
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  @@index([organizationId, docType])
}

model Document {
  id                 String     @id @default(uuid()) @db.Uuid
  organizationId     String     @db.Uuid
  organization       Organization @relation(fields: [organizationId], references: [id])
  docType            DocType
  number             String
  issuedAt           DateTime?
  status             DocStatus  @default(draft)
  clientId           String?    @db.Uuid
  client             Client?    @relation(fields: [clientId], references: [id])
  parentDocumentId   String?    @db.Uuid
  parent             Document?  @relation("DocumentChildren", fields: [parentDocumentId], references: [id])
  children           Document[] @relation("DocumentChildren")
  body               Json
  totalCents         BigInt     @default(0)
  vatCents           BigInt     @default(0)
  currency           String     @default("RUB")
  tochkaDocumentId   String?
  tochkaEnvironment  TochkaEnv?
  pdfPath            String?
  createdBy          String?    // sub из JWT auth.queo.ru
  createdAt          DateTime   @default(now())
  updatedAt          DateTime   @updatedAt

  lines    DocumentLine[]
  payments Payment[]

  @@unique([organizationId, docType, number])
  @@index([organizationId, clientId, issuedAt(sort: Desc)])
  @@index([organizationId, status])
  @@index([tochkaDocumentId])
}

model DocumentLine {
  id         String  @id @default(uuid()) @db.Uuid
  documentId String  @db.Uuid
  document   Document @relation(fields: [documentId], references: [id], onDelete: Cascade)
  position   Int
  serviceId  String? @db.Uuid
  service    ServiceCatalog? @relation(fields: [serviceId], references: [id])
  name       String
  // Количество хранится как milli-units (тысячные), чтобы поддержать дробные количества без float.
  qtyMilli   BigInt  @default(1000)
  unit       String
  priceCents BigInt
  vat        VatRate @default(none)
  sumCents   BigInt

  @@index([documentId])
  @@index([serviceId])
}

model Payment {
  id              String     @id @default(uuid()) @db.Uuid
  organizationId  String     @db.Uuid
  organization    Organization @relation(fields: [organizationId], references: [id])
  documentId      String?    @db.Uuid
  document        Document?  @relation(fields: [documentId], references: [id])
  tochkaPaymentId String     @unique
  kind            PaymentKind
  amountCents     BigInt
  payerInn        String?
  payerName       String?
  purpose         String?
  paidAt          DateTime?
  raw             Json
  createdAt       DateTime   @default(now())

  @@index([organizationId, paidAt(sort: Desc)])
  @@index([documentId])
}

model TochkaCredential {
  id             String   @id @default(uuid()) @db.Uuid
  organizationId String   @db.Uuid
  organization   Organization @relation(fields: [organizationId], references: [id])
  bankAccountId  String?  @db.Uuid
  bankAccount    BankAccount? @relation(fields: [bankAccountId], references: [id])
  environment    TochkaEnv
  // AES-256-GCM ciphertext (iv|tag|ct), base64
  jwtEncrypted   String
  customerCode   String
  accountCode    String?
  expiresAt      DateTime?
  createdAt      DateTime @default(now())
  updatedAt      DateTime @updatedAt

  @@unique([organizationId, environment])
}

model WebhookEvent {
  id          String   @id @default(uuid()) @db.Uuid
  receivedAt  DateTime @default(now())
  source      String   // 'tochka'
  eventType   String
  raw         Json
  processedAt DateTime?
  error       String?
  dedupeKey   String   @unique

  @@index([source, eventType, receivedAt])
}

model AuditLog {
  id             String   @id @default(uuid()) @db.Uuid
  organizationId String   @db.Uuid
  organization   Organization @relation(fields: [organizationId], references: [id])
  actorSub       String?
  action         String
  entity         String
  entityId       String
  diff           Json?
  at             DateTime @default(now())

  @@index([organizationId, at(sort: Desc)])
  @@index([entity, entityId])
}