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

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

enum BillingCycle {
  MONTHLY
  YEARLY
}

enum SubscriptionStatus {
  ACTIVE
  PAST_DUE
  CANCELED
  TRIAL
}

enum InvoiceStatus {
  PENDING
  PAID
  OVERDUE
  CANCELED
}

enum PaymentStatus {
  PENDING
  CONFIRMED
  FAILED
  CANCELED
}

enum FiscalStatus {
  DRAFT
  ISSUED
  CANCELED
}

enum DealStage {
  LEAD
  PROPOSAL
  NEGOTIATION
  WON
  LOST
}

model Tenant {
  id             String         @id @default(uuid())
  name           String
  taxId          String?
  status         String         @default("ACTIVE")
  createdAt      DateTime       @default(now())
  updatedAt      DateTime       @updatedAt
  subscriptions  Subscription[]
  invoices       Invoice[]
  payments       Payment[]
  fiscalDocs     FiscalDocument[]
  crmCompanies   CrmCompany[]
  crmContacts    CrmContact[]
  crmDeals       CrmDeal[]
}

model Plan {
  id             String         @id @default(uuid())
  name           String
  priceCents     Int
  billingCycle   BillingCycle
  softLimit      Int?
  hardLimit      Int?
  createdAt      DateTime       @default(now())
  updatedAt      DateTime       @updatedAt
  subscriptions  Subscription[]
}

model Subscription {
  id            String              @id @default(uuid())
  tenantId      String
  planId        String
  status        SubscriptionStatus  @default(ACTIVE)
  startDate     DateTime
  nextDueDate   DateTime
  createdAt     DateTime            @default(now())
  updatedAt     DateTime            @updatedAt
  tenant        Tenant              @relation(fields: [tenantId], references: [id])
  plan          Plan                @relation(fields: [planId], references: [id])
  invoices      Invoice[]

  @@index([tenantId])
  @@index([planId])
}

model Invoice {
  id             String        @id @default(uuid())
  tenantId       String
  subscriptionId String?
  amountCents    Int
  dueDate        DateTime
  status         InvoiceStatus @default(PENDING)
  paidAt         DateTime?
  createdAt      DateTime      @default(now())
  updatedAt      DateTime      @updatedAt
  tenant         Tenant        @relation(fields: [tenantId], references: [id])
  subscription   Subscription? @relation(fields: [subscriptionId], references: [id])
  payments       Payment[]
  fiscalDocs     FiscalDocument[]

  @@index([tenantId])
  @@index([subscriptionId])
}

model Payment {
  id            String        @id @default(uuid())
  tenantId      String
  invoiceId     String
  gateway       String
  method        String
  externalId    String?
  status        PaymentStatus @default(PENDING)
  amountCents   Int
  createdAt     DateTime      @default(now())
  updatedAt     DateTime      @updatedAt
  invoice       Invoice       @relation(fields: [invoiceId], references: [id])
  tenant        Tenant        @relation(fields: [tenantId], references: [id])

  @@index([tenantId])
  @@index([invoiceId])
  @@unique([gateway, externalId])
}

model FiscalDocument {
  id          String       @id @default(uuid())
  tenantId    String
  invoiceId   String?
  number      String?
  status      FiscalStatus @default(DRAFT)
  pdfUrl      String?
  xmlUrl      String?
  createdAt   DateTime     @default(now())
  updatedAt   DateTime     @updatedAt
  tenant      Tenant       @relation(fields: [tenantId], references: [id])
  invoice     Invoice?     @relation(fields: [invoiceId], references: [id])

  @@index([tenantId])
  @@index([invoiceId])
}

model CrmCompany {
  id        String    @id @default(uuid())
  tenantId  String
  name      String
  segment   String?
  website   String?
  createdAt DateTime  @default(now())
  updatedAt DateTime  @updatedAt
  tenant    Tenant    @relation(fields: [tenantId], references: [id])
  contacts  CrmContact[]
  deals     CrmDeal[]

  @@index([tenantId])
}

model CrmContact {
  id        String   @id @default(uuid())
  tenantId  String
  companyId String?
  name      String
  email     String?
  phone     String?
  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt
  tenant    Tenant   @relation(fields: [tenantId], references: [id])
  company   CrmCompany? @relation(fields: [companyId], references: [id])

  @@index([tenantId])
  @@index([companyId])
}

model CrmDeal {
  id          String    @id @default(uuid())
  tenantId    String
  companyId   String?
  name        String
  stage       DealStage @default(LEAD)
  valueCents  Int
  expectedAt  DateTime?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt
  tenant      Tenant    @relation(fields: [tenantId], references: [id])
  company     CrmCompany? @relation(fields: [companyId], references: [id])

  @@index([tenantId])
  @@index([companyId])
}