// Unified customer / insurance / utilities data model.
// See C:\Users\ricar\.claude\plans\logical-yawning-tome.md for the migration
// plan this schema implements (source: UTILITIES.accdb, SEGUROS 16_be.mdb,
// SCOTHIA.mdb). Every model that originates from a legacy Access table
// carries legacySource* provenance columns so migrated rows are traceable
// back to their Access original and the ETL can be re-run idempotently.

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

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

enum Currency {
  USD
  MXN
}

enum TransactionDomain {
  UTILITY
  INSURANCE
  TRUST
}

/// How a ledger row entered the system. Every capture path funnels through
/// BillingService (single write path, single audit trail); this records which
/// one, so an auto-captured receipt is auditable without joining the statement
/// tables. `OCR` is reserved for the statement auto-capture pipeline
/// (docs/RECEIPT_CAPTURE_SPEC.md §2), which posts through the same batch path
/// as hand-keyed check batches.
enum TransactionCaptureSource {
  MANUAL
  BATCH
  OCR
}

enum ServiceKind {
  WATER
  ELECTRIC
  GAS
  CABLE
  PROPERTY_TAX
  FEDERAL_ZONE
  ALARM
  OTHER
}

/// Ordered access tier (rank): ADMIN > MANAGER > STAFF > VIEWER. VIEWER is the
/// read-only role; STAFF and above can write. Enforced by the API's ability
/// matrix (apps/api/src/auth/abilities.ts), not by the enum itself.
enum UserRole {
  ADMIN
  MANAGER
  STAFF
  VIEWER
}

// ---------------------------------------------------------------------------
// Identity — the actual point of the project: one customer record shared by
// both business lines.
// ---------------------------------------------------------------------------

model Customer {
  id                        String    @id @default(uuid())
  name                      String
  // Which legacy table `name` actually came from. Null = DATGRAL.NOMBRE, the
  // normal case. Anything else means DATGRAL's name was blank and the name was
  // recovered from a secondary table (see migration/transform_customers.py),
  // so staff can tell a reconstructed name from an original one.
  nameSource                String?
  // True when `name` is the "(SIN NOMBRE)" placeholder. Denormalized so lists
  // can sort nameless records last — ordering by `name` alone puts them first,
  // since "(" sorts before every letter.
  nameMissing               Boolean   @default(false)
  addressLine1              String?
  addressLine2              String?
  city                      String?
  state                     String?
  zipCode                   String?
  country                   String?
  phone                     String?
  mobile                    String?
  fax                       String?
  email                     String?
  notes                     String? @db.Text
  identificationType        String?
  identificationNumber      String?
  identificationExpiration  DateTime?
  customerSince             DateTime?
  status                    Boolean   @default(true)
  minimumBalance            Decimal?  @db.Decimal(12, 2)
  feeAmount                 Decimal?  @db.Decimal(12, 2)
  preferredCurrency         Currency  @default(USD)
  // Soft-delete marker. Distinct from `status` (a legacy business flag): a
  // non-null archivedAt hides the row from default lists while preserving it
  // and its legacy provenance. Never hard-delete migrated data.
  archivedAt                DateTime?
  createdAt                 DateTime  @default(now())
  updatedAt                 DateTime  @updatedAt

  legacyRefs   CustomerLegacyRef[]
  properties   Property[]
  policies     Policy[]
  vehicles     Vehicle[]
  transactions Transaction[]

  @@map("customers")
}

/// Generalizes the old app's customer_mapping table: one row per legacy
/// record folded into this customer, from either source system.
model CustomerLegacyRef {
  id           String   @id @default(uuid())
  customerId   String
  customer     Customer @relation(fields: [customerId], references: [id])
  sourceSystem String // "utilities" | "insurance"
  sourceTable  String // e.g. "DATGRAL", "COBRO3"
  legacyId     String // stringified legacy id (source columns are often DOUBLE)
  createdAt    DateTime @default(now())

  @@unique([sourceSystem, sourceTable, legacyId])
  @@map("customer_legacy_refs")
}

// ---------------------------------------------------------------------------
// Insurance domain
// ---------------------------------------------------------------------------

model InsuranceProvider {
  id       String   @id @default(uuid())
  name     String   @unique
  policies Policy[]

  @@map("insurance_providers")
}

model PolicyType {
  id               String   @id @default(uuid())
  name             String   @unique
  shortDescription String?
  policies         Policy[]

  @@map("policy_types")
}

/// Consolidates INCENDIO/MULT/M EMPR/all auto-table variants/LICENCIAS into
/// one table with a policyType discriminator, instead of one Access table
/// per line of business.
model Policy {
  id                  String    @id @default(uuid())
  policyNumber        String
  customerId          String
  customer            Customer  @relation(fields: [customerId], references: [id])
  policyTypeId        String?
  policyType          PolicyType?        @relation(fields: [policyTypeId], references: [id])
  insuranceProviderId String?
  insuranceProvider   InsuranceProvider? @relation(fields: [insuranceProviderId], references: [id])
  agentName           String?
  policyDate          DateTime?
  policyFrom          DateTime?
  policyTo            DateTime?
  coveragePeriodDays  Int?      @default(365)
  netPremium          Decimal?  @db.Decimal(12, 2)
  policyFee           Decimal?  @db.Decimal(12, 2)
  brokerFee           Decimal?  @db.Decimal(12, 2)
  commission          Decimal?  @db.Decimal(12, 2)
  total               Decimal?  @db.Decimal(12, 2)
  currency            Currency  @default(MXN)
  observations        String? @db.Text
  notes               String? @db.Text
  coveragesJson       Json?
  endorsement         Boolean   @default(false)
  liquidated          Boolean   @default(false)
  liquidationNumber   String?
  liquidationDate     DateTime?
  // Soft-delete marker (see Customer.archivedAt). Never hard-delete migrated
  // policy data; archiving hides it from default lists.
  archivedAt          DateTime?
  legacySourceDb      String?
  legacySourceTable   String?
  legacyId            String?
  createdAt           DateTime  @default(now())
  updatedAt           DateTime  @updatedAt

  installments   PolicyPaymentInstallment[]
  vehicles       Vehicle[]
  insuredDrivers InsuredDriver[]
  beneficiaries  PolicyBeneficiary[]
  claims         Claim[]
  documents      PolicyDocument[]
  properties     Property[]
  renewalNotices RenewalNotice[]

  @@unique([legacySourceDb, legacySourceTable, legacyId])
  @@index([policyNumber])
  @@map("policies")
}

enum RenewalNoticeChannel {
  MAIL
  EMAIL
}

/// Replaces the legacy `CONTROL <ramo> RENEW[2/3] X MES` reports — a
/// per-batch printed checklist of who'd been sent which reminder. One row
/// per notice generation actually sent for a policy, so "who got a 1st/2nd/
/// 3rd notice and when" is a query instead of a paper trail. See
/// docs/RENEWAL_NOTICES.md for the legacy report chain this replaces.
model RenewalNotice {
  id         String               @id @default(uuid())
  policyId   String
  policy     Policy               @relation(fields: [policyId], references: [id])
  // 1 = first notice (bare RENEW), 2 = RENEW2, 3 = RENEW3 in the legacy naming.
  generation Int
  channel    RenewalNoticeChannel @default(MAIL)
  sentAt     DateTime?
  sentById   String?
  notes      String?              @db.Text
  createdAt  DateTime             @default(now())

  // One row per generation per policy — matches the legacy's 1st/2nd/3rd
  // notice cadence; re-running the same generation for a policy updates it
  // rather than duplicating a log entry.
  @@unique([policyId, generation])
  @@map("renewal_notices")
}

/// Unpivots the 4 hardcoded payment-installment columns found on every
/// legacy policy table (1ER PAGO/FECHA PAGO/NO CHEQUE, ...2, ...3, ...4).
model PolicyPaymentInstallment {
  id          String    @id @default(uuid())
  policyId    String
  policy      Policy    @relation(fields: [policyId], references: [id])
  sequence    Int
  amount      Decimal?  @db.Decimal(12, 2)
  currency    Currency  @default(MXN)
  dueDate     DateTime?
  paidDate    DateTime?
  checkNumber String?
  isCash      Boolean   @default(false)

  @@map("policy_payment_installments")
}

/// Unpivots MCA2's 3 hardcoded vehicle slots (and the single-vehicle auto
/// tables) into one row per vehicle.
model Vehicle {
  id                String    @id @default(uuid())
  customerId        String?
  customer          Customer? @relation(fields: [customerId], references: [id])
  policyId          String?
  policy            Policy?   @relation(fields: [policyId], references: [id])
  make              String?
  model             String?
  modelYear         String?
  bodyType          String?
  engineNumber      String?
  licensePlate      String?
  vinNumber         String?
  stateCode         String?
  notes             String? @db.Text
  // One legacy policy row can carry up to 3 vehicles, so they share a
  // legacyId (the source row number) — provenance is NOT unique per vehicle.
  // Sync rebuilds legacy vehicles by scoped delete + reinsert instead of upsert.
  legacySourceTable String?
  legacyId          String?

  @@map("vehicles")
}

/// Unpivots the repeated named-insured/license columns in MCA2/LICENCIAS.
model InsuredDriver {
  id            String    @id @default(uuid())
  policyId      String
  policy        Policy    @relation(fields: [policyId], references: [id])
  fullName      String?
  birthDate     DateTime?
  sex           String?
  occupation    String?
  licenseNumber String?
  licenseState  String?

  @@map("insured_drivers")
}

/// From BENEF — already a clean child table in the source data.
model PolicyBeneficiary {
  id       String @id @default(uuid())
  policyId String
  policy   Policy @relation(fields: [policyId], references: [id])
  name     String?
  address  String?
  phone    String?
  email    String?

  @@map("policy_beneficiaries")
}

/// From DATOS (siniestros).
model Claim {
  id                String    @id @default(uuid())
  policyId          String
  policy            Policy    @relation(fields: [policyId], references: [id])
  claimType         String?
  incidentDate      DateTime?
  reportedDate      DateTime?
  description       String? @db.Text
  adjusterId        String?
  adjuster          Adjuster? @relation(fields: [adjusterId], references: [id])
  claimedAmount     Decimal?  @db.Decimal(12, 2)
  settledAmount     Decimal?  @db.Decimal(12, 2)
  settlementDate    DateTime?
  checkNumber       String?
  resolved          Boolean   @default(false)
  resolutionNotes   String? @db.Text

  @@map("claims")
}

/// From AJUSTADORES / AJUSTADORESATLAS.
model Adjuster {
  id      String  @id @default(uuid())
  company String?
  city    String?
  name    String?
  phone   String?
  beeper  String?
  claims  Claim[]

  @@map("adjusters")
}

/// Extracted LONGBINARY blobs from the policy tables — file lives in object
/// storage, only the pointer + type lives here.
model PolicyDocument {
  id             String   @id @default(uuid())
  policyId       String
  policy         Policy   @relation(fields: [policyId], references: [id])
  documentType   String
  storageKey     String
  originalColumn String?
  createdAt      DateTime @default(now())

  @@map("policy_documents")
}

// ---------------------------------------------------------------------------
// Utilities domain
// ---------------------------------------------------------------------------

/// From DATMEX — shared with the insurance domain so a property can carry
/// both a home-insurance policy and utility service enrollments.
model Property {
  id                String   @id @default(uuid())
  customerId        String
  customer          Customer @relation(fields: [customerId], references: [id])
  policyId          String?
  policy            Policy?  @relation(fields: [policyId], references: [id])
  addressLine1      String?
  addressLine2      String?
  phone1            String?
  phone2            String?
  phone3            String?
  zone              String?
  // Soft-delete marker (see Customer.archivedAt).
  archivedAt        DateTime?
  legacySourceTable String?
  legacyId          String?
  createdAt         DateTime @default(now())

  services     PropertyService[]
  documents    ServiceDocument[]
  trustAccount TrustAccount?

  @@unique([legacySourceTable, legacyId])
  @@map("properties")
}

/// Unpivots DATMEX's inline service columns and PROFILE's enrollment flags
/// into one row per enrolled service per property.
model PropertyService {
  id            String      @id @default(uuid())
  propertyId    String
  property      Property    @relation(fields: [propertyId], references: [id])
  kind          ServiceKind
  accountNumber String?
  meterNumber   String?
  route         String?
  dueDay        String?
  active        Boolean     @default(true)
  notes         String? @db.Text

  @@map("property_services")
}

model ServiceDocument {
  id           String   @id @default(uuid())
  propertyId   String
  property     Property @relation(fields: [propertyId], references: [id])
  documentType String
  storageKey   String
  createdAt    DateTime @default(now())

  @@map("service_documents")
}

/// From TRUSTVENCE.
model TrustAccount {
  id          String    @id @default(uuid())
  propertyId  String    @unique
  property    Property  @relation(fields: [propertyId], references: [id])
  bankName    String?
  trustNumber String?
  bankFee     Decimal?  @db.Decimal(12, 2)
  dueDate1    DateTime?
  dueDate2    DateTime?

  @@map("trust_accounts")
}

// ---------------------------------------------------------------------------
// Shared financial ledger — one office, one set of books.
// ---------------------------------------------------------------------------

/// ES/EN transaction-type lookup, carried over from the old schema.
model TypeTransaction {
  id           String        @id @default(uuid())
  nameEn       String
  nameEs       String?
  isService    Boolean       @default(false)
  transactions Transaction[]

  @@map("type_transactions")
}

/// Unifies utilities' EFECTIVO/EFECTIVO FM3/EFECTIVO_BACKUP/FEE ANUAL/
/// datos2/fee15/billing/CHEQUE FM3/IVA 2015 and insurance's EFECTIVO.
model Transaction {
  id                String            @id @default(uuid())
  customerId        String
  customer          Customer          @relation(fields: [customerId], references: [id])
  domain            TransactionDomain
  typeId            String?
  type              TypeTransaction?  @relation(fields: [typeId], references: [id])
  transactionDate   DateTime
  period            String?
  reference         String?
  amount            Decimal           @db.Decimal(12, 2)
  currency          Currency          @default(MXN)
  exchangeRate      Decimal?          @db.Decimal(10, 4)
  checkNumber       String?
  message           String? @db.Text
  outstanding       Boolean           @default(false)
  /// How this row was captured. NULL = migrated from Access (the legacy*
  /// columns below say which table). Set explicitly on everything the app
  /// books, so an OCR-posted receipt is distinguishable from a hand-keyed one
  /// without joining the statement tables.
  captureSource     TransactionCaptureSource?
  /// Back-pointer to the artifact that produced this row — a
  /// `StatementDocument.id` for OCR captures (see RECEIPT_CAPTURE_SPEC §2).
  /// Unique among live rows via the app's duplicate guard, not a DB constraint,
  /// because a voided row must not block a corrected re-post of the same
  /// document.
  captureRef        String?
  // Append + void: booked rows are never edited or hard-deleted. A non-null
  // voidedAt reverses the movement — it MUST be excluded from every balance
  // and total (SUM/count) so a voided amount stops affecting the books.
  voidedAt          DateTime?
  voidedById        String?
  legacySourceDb    String?
  legacySourceTable String?
  legacyId          String?
  createdAt         DateTime          @default(now())

  @@index([customerId, transactionDate])
  // By-check reconciliation (billing.byCheck / the cheque-count report) looks
  // rows up by check number alone — the legacy EDITA CHEQUE COUNT lookup.
  @@index([checkNumber])
  // Drives the duplicate-post guard in BillingService.createBatch.
  @@index([captureRef])
  @@unique([legacySourceDb, legacySourceTable, legacyId])
  @@map("transactions")
}

/// From TIPO HIST.
model ExchangeRate {
  id            String   @id @default(uuid())
  rate          Decimal  @db.Decimal(10, 4)
  effectiveDate DateTime
  effectiveHour DateTime?

  @@map("exchange_rates")
}

// ---------------------------------------------------------------------------
// Company bank register (SCOTHIA.mdb) — the office's own operating account,
// deliberately separate from customer-facing Transaction records.
// ---------------------------------------------------------------------------

/// From TABLA RAMODOS ("ramo" = line of business).
model BusinessLineCategory {
  id               String            @id @default(uuid())
  name             String            @unique
  bankTransactions BankTransaction[]

  @@map("business_line_categories")
}

/// Unifies SCOTHIA's DATOS E (egresos) / DATOS I (ingresos) into one
/// signed-amount table: income positive, expense negative.
model BankTransaction {
  id                String                @id @default(uuid())
  transactionDate   DateTime
  transactionType   String?
  reference         String?
  concept           String?
  amount            Decimal               @db.Decimal(12, 2)
  categoryId        String?
  category          BusinessLineCategory? @relation(fields: [categoryId], references: [id])
  cleared           Boolean               @default(false)
  transferred       Boolean               @default(false)
  notes             String? @db.Text
  amountInWords     String?
  // Append + void (see Transaction.voidedAt): excluded from income/expense/net.
  voidedAt          DateTime?
  voidedById        String?
  legacySourceTable String?
  legacyId          String?

  @@unique([legacySourceTable, legacyId])
  @@map("bank_transactions")
}

// ---------------------------------------------------------------------------
// Admin / shared
// ---------------------------------------------------------------------------

model User {
  id           String        @id @default(uuid())
  name         String
  email        String        @unique
  passwordHash String
  role         UserRole      @default(STAFF)
  active       Boolean       @default(true)
  createdAt    DateTime      @default(now())
  updatedAt    DateTime      @updatedAt
  activityLogs ActivityLog[]

  @@map("users")
}

model ActivityLog {
  id        String   @id @default(uuid())
  userId    String?
  user      User?    @relation(fields: [userId], references: [id])
  event     String
  level     String
  message   Json?
  createdAt DateTime @default(now())

  @@map("activity_logs")
}

model EmailTemplate {
  id             String @id @default(uuid())
  name           String
  subject        String
  templateSource String @db.Text

  @@map("email_templates")
}

model EmailCampaign {
  id             String   @id @default(uuid())
  campaignName   String
  subject        String?
  body           String? @db.Text
  status         String   @default("in_progress")
  emailSentCount Int      @default(0)
  createdAt      DateTime @default(now())

  @@map("email_campaigns")
}

model EmailLog {
  id           String   @id @default(uuid())
  customerId   String?
  emailAddress String?
  emailType    String?
  requestBody  String? @db.Text
  responseBody String? @db.Text
  sentAt       DateTime @default(now())

  @@map("email_log")
}

// ---------------------------------------------------------------------------
// Admin database operations (Operaciones): backup / restore / re-import / sync.
// Each long-running op is one OpsJob row so the web UI can poll status + tail
// the captured log. Rows are the audit trail for who ran a destructive op.
// ---------------------------------------------------------------------------

enum OpsJobKind {
  BACKUP
  RESTORE
  REIMPORT
  SYNC
}

enum OpsJobStatus {
  RUNNING
  SUCCESS
  FAILED
}

model OpsJob {
  id     String       @id @default(uuid())
  kind   OpsJobKind
  status OpsJobStatus @default(RUNNING)
  // Combined stdout+stderr of the spawned process, appended as it runs.
  log    String       @db.LongText
  // Op-specific inputs (e.g. the backup filename a RESTORE targets). No FK on
  // createdById — the actor id is stored flat, like activity_logs' userId use.
  params      Json?
  createdById String?
  startedAt   DateTime  @default(now())
  finishedAt  DateTime?

  @@index([status])
  @@index([startedAt])
  @@map("ops_jobs")
}