// This is your Prisma schema file,
// learn more about it in the docs: https://pris.ly/d/prisma-schema

// Looking for ways to speed up your queries, or scale easily with your serverless or edge functions?
// Try Prisma Accelerate: https://pris.ly/cli/accelerate-init

generator client {
  provider        = "prisma-client-js"
  previewFeatures = ["views"]
}

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

model Users {
  id           String  @id @default(dbgenerated("gen_random_uuid()")) @db.Uuid
  first_name   String
  last_name    String
  email        String  @unique
  phone_number Int     @unique
  residence    String?
  role         Roles   @default(GUEST)

  employee            Employees?          @relation("UserEmployee")
  customer            Customers?          @relation("UserCustomer")
  oauth_sessions      OAuthSessions[]     @relation("UserOAuthSessions")
  employees_archive   EmployeesArchive[]  @relation("UsersToEmployeesToArchive")
  customer_archive    CustomersArchive[]  @relation("UserToCustomersToArchive")

  @@map("users")
}

model Employees {
  id                  Int       @id @default(autoincrement())
  user                Users     @relation("UserEmployee", fields: [user_id], references: [id])
  user_id             String    @unique @db.Uuid
  external_payroll_id Int
  company_code        Int
  first_work_day      DateTime  @db.Date
  last_work_day       DateTime? @db.Date
  job_title           String?   
  is_supervisor       Boolean   @default(false) 

  supervisor    Employees?  @relation("EmployeeSupervisor", fields: [supervisor_id], references: [id])
  supervisor_id Int?
  crew          Employees[] @relation("EmployeeSupervisor")

  archive            EmployeesArchive[] @relation("EmployeeToArchive")
  timesheet          Timesheets[]       @relation("TimesheetEmployee")
  leave_request      LeaveRequests[]    @relation("LeaveRequestEmployee")
  supervisor_archive EmployeesArchive[] @relation("EmployeeSupervisorToArchive")

  @@map("employees")
}

model EmployeesArchive {
  id          Int       @id @default(autoincrement())
  employee    Employees @relation("EmployeeToArchive", fields: [employee_id], references: [id])
  employee_id Int
  archived_at DateTime  @default(now())

  user_id             String @db.Uuid
  user                Users  @relation("UsersToEmployeesToArchive", fields: [user_id], references: [id])
  first_name          String
  last_name           String
  job_title           String?
  is_supervisor       Boolean
  external_payroll_id Int
  company_code        Int
  first_work_day      DateTime   @db.Date
  last_work_day       DateTime   @db.Date
  supervisor_id       Int?
  supervisor          Employees? @relation("EmployeeSupervisorToArchive", fields: [supervisor_id], references: [id])

  @@map("employees_archive")
}

model Customers {
  id         Int    @id @default(autoincrement())
  user       Users  @relation("UserCustomer", fields: [user_id], references: [id])
  user_id    String @unique @db.Uuid
  invoice_id Int?   @unique

  archive CustomersArchive[] @relation("CustomerToArchive")

  @@map("customers")
}

model CustomersArchive {
  id          Int       @id @default(autoincrement())
  customer    Customers @relation("CustomerToArchive", fields: [customer_id], references: [id])
  customer_id Int
  archived_at DateTime  @default(now())
  user_id     String    @db.Uuid
  user        Users     @relation("UserToCustomersToArchive", fields: [user_id], references: [id])

  invoice_id Int? @unique

  @@map("customers_archive")
}

model LeaveRequests {
  id              Int                 @id @default(autoincrement())
  employee        Employees           @relation("LeaveRequestEmployee", fields: [employee_id], references: [id])
  employee_id     Int
  bank_code       BankCodes?          @relation("LeaveRequestBankCodes", fields: [bank_code_id], references: [id])
  bank_code_id    Int
  leave_type      LeaveTypes
  start_date_time DateTime            @db.Date
  end_date_time   DateTime?           @db.Date
  comment         String
  approval_status LeaveApprovalStatus @default(PENDING)

  archive LeaveRequestsArchive[] @relation("LeaveRequestToArchive")

  @@map("leave_requests")
}

model LeaveRequestsArchive {
  id               Int                 @id @default(autoincrement())
  leave_request    LeaveRequests       @relation("LeaveRequestToArchive", fields: [leave_request_id], references: [id])
  leave_request_id Int
  archived_at      DateTime            @default(now())
  employee_id      Int
  leave_type       LeaveTypes
  start_date_time  DateTime            @db.Date
  end_date_time    DateTime?           @db.Date
  comment          String
  approval_status  LeaveApprovalStatus

  @@map("leave_requests_archive")
}

//pay-period vue
view PayPeriods {
  pay_year       Int
  pay_period_no  Int
  payday         DateTime @db.Date 
  period_start   DateTime @db.Date
  period_end     DateTime @db.Date
  label          String
  
  @@map("pay_period")
}

model Timesheets {
  id          Int       @id @default(autoincrement())
  employee    Employees @relation("TimesheetEmployee", fields: [employee_id], references: [id])
  employee_id Int
  is_approved Boolean   @default(false)

  shift   Shifts[]            @relation("ShiftTimesheet")
  expense Expenses[]          @relation("ExpensesTimesheet")
  archive TimesheetsArchive[] @relation("TimesheetsToArchive")

  @@map("timesheets")
}

model TimesheetsArchive {
  id           Int        @id @default(autoincrement())
  timesheet    Timesheets @relation("TimesheetsToArchive", fields: [timesheet_id], references: [id])
  timesheet_id Int
  archive_at   DateTime   @default(now())
  employee_id  Int
  is_approved  Boolean

  @@map("timesheets_archive")
}

model Shifts {
  id           Int        @id @default(autoincrement())
  timesheet    Timesheets @relation("ShiftTimesheet", fields: [timesheet_id], references: [id])
  timesheet_id Int
  bank_code    BankCodes  @relation("ShiftBankCodes", fields: [bank_code_id], references: [id])
  bank_code_id Int
  description  String?
  date         DateTime   @db.Date
  start_time   DateTime   @db.Time(0)
  end_time     DateTime   @db.Time(0)
  is_approved  Boolean    @default(false)

  archive ShiftsArchive[] @relation("ShiftsToArchive")

  @@map("shifts")
}

model ShiftsArchive {
  id           Int      @id @default(autoincrement())
  shift        Shifts   @relation("ShiftsToArchive", fields: [shift_id], references: [id])
  shift_id     Int
  archive_at   DateTime @default(now())
  timesheet_id Int
  bank_code_id Int
  description  String?
  date         DateTime @db.Date
  start_time   DateTime @db.Time(0)
  end_time     DateTime @db.Time(0)

  @@map("shifts_archive")
}

model BankCodes {
  id        Int    @id @default(autoincrement())
  type      String
  categorie String
  modifier  Float
  bank_code String

  shifts        Shifts[]        @relation("ShiftBankCodes")
  expenses      Expenses[]      @relation("ExpenseBankCodes")
  leaveRequests LeaveRequests[] @relation("LeaveRequestBankCodes")

  @@map("bank_codes")
}

model Expenses {
  id                 Int        @id @default(autoincrement())
  timesheet          Timesheets @relation("ExpensesTimesheet", fields: [timesheet_id], references: [id])
  timesheet_id       Int
  bank_code          BankCodes  @relation("ExpenseBankCodes", fields: [bank_code_id], references: [id])
  bank_code_id       Int
  date               DateTime   @db.Date
  amount             Decimal    @db.Money
  attachement        String?
  description        String?
  is_approved        Boolean    @default(false)
  supervisor_comment String?

  archive ExpensesArchive[] @relation("ExpensesToArchive")

  @@map("expenses")
}

model ExpensesArchive {
  id                 Int      @id @default(autoincrement())
  expense            Expenses @relation("ExpensesToArchive", fields: [expense_id], references: [id])
  expense_id         Int
  timesheet_id       Int
  archived_at        DateTime @default(now())
  bank_code_id       Int
  date               DateTime @db.Date
  amount             Decimal  @db.Money
  attachement        String?
  description        String?
  is_approved        Boolean
  supervisor_comment String?

  @@map("expenses_archive")
}

model OAuthSessions {
  id                   String    @id @default(cuid())
  user                 Users     @relation("UserOAuthSessions", fields: [user_id], references: [id])
  user_id              String    @db.Uuid
  application          String
  access_token         String    @unique
  refresh_token        String    @unique
  sid                  String    @unique
  access_token_expiry  DateTime
  refresh_token_expiry DateTime?
  is_revoked           Boolean   @default(false)
  scopes               Json      @default("[]")
  created_at           DateTime  @default(now())
  updated_at           DateTime?

  @@map("oauth_sessions")
}

model Blobs {
  sha256       String    @id @db.Char(64)
  size         Int
  mime         String
  storage_path String
  refcount     Int      @default(0)
  created_at   DateTime @default(now())

  attachments Attachments[]

  @@map("blobs")
}

model Attachments {
  id               Int               @id @default(autoincrement())
  sha256           String            @db.Char(64)
  blob             Blobs             @relation(fields: [sha256], references: [sha256], onUpdate: Cascade)
  owner_type       String            //EXPENSES ou éventuellement autre chose comme scan ONU ou photos d'employés, etc
  owner_id         String            //expense_id, employee_id, etc
  original_name    String
  status           AttachmentStatus  @default(ACTIVE)
  retention_policy RetentionPolicy
  created_by       String
  created_at       DateTime           @default(now())

  @@index([owner_type, owner_id, created_at])
  @@index([sha256])
  @@map("attachments")
}

enum AttachmentStatus { 
  ACTIVE
  DELETED
}

enum RetentionPolicy {
  EXPENSE_7Y
  TICKET_2Y
  PROFILE_KEEP_LAST3
}

enum Roles {
  ADMIN
  SUPERVISOR
  HR
  ACCOUNTING
  EMPLOYEE
  DEALER
  CUSTOMER
  GUEST

  @@map("roles")
}

enum LeaveTypes {
  SICK // maladie ou repos
  VACATION // paye
  UNPAID // non-paye
  BEREAVEMENT // deuil de famille
  PARENTAL // maternite/paternite/adoption
  LEGAL // obligations legales comme devoir de juree
  WEDDING // mariage
  
  @@map("leave_types")
}

enum LeaveApprovalStatus {
  PENDING
  APPROVED
  DENIED
  CANCELLED
  ESCALATED

  @@map("leave_approval_status")
}