// 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"
}

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

model Users {
  id                 String             @id @default(uuid())
  first_name         String
  last_name          String
  email              String             @unique
  password           String
  phone_number       Int                @unique
  residence          String?
  role               Roles              @default(GUEST)


  employee           Employees?         @relation("UserEmployee")
  customer           Customers?         @relation("UserCustomer")
  oauth_access_token OAuthAccessTokens? @relation("UserOAuthAccessToken")

  @@map("users")
}

model Employees {
  id                   Int            @id @default(autoincrement())
  user                 Users          @relation("UserEmployee", fields: [user_id], references:[id])
  user_id              String         @unique
  external_payroll_id  Int            @unique
  company_code         Int     
  first_work_day       DateTime
  last_work_day        DateTime?

  timesheet            Timesheets?    @relation("TimesheetEmployee")
  leave_request        LeaveRequests? @relation("LeaveRequestEmployee")

  @@map("employees")
}

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

  @@map("customers")
}

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

  @@map("leave_requests")
}

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


  shift         Shifts?     @relation("ShiftTimesheet")

  @@map("timesheets")
}

model Shifts {
  id            Int         @id @default(autoincrement())
  timesheet     Timesheets  @relation("ShiftTimesheet", fields: [timesheet_id], references: [id])
  timesheet_id  Int         @unique
  shift_code    ShiftCodes  @relation("ShiftShiftCode", fields: [shift_code_id], references: [id])
  shift_code_id Int         @unique
  date          DateTime
  start_time    DateTime
  end_time      DateTime

  @@map("shifts")
}

model ShiftCodes {
  id          Int     @id @default(autoincrement())
  shift_type  String
  bank_code   String


  shift       Shifts? @relation("ShiftShiftCode")

  @@map("shift_codes")
}

model OAuthAccessTokens {
  id                    String    @id @default(cuid())
  user                  Users     @relation("UserOAuthAccessToken", fields: [user_id], references: [id])
  user_id               String    @unique
  access_token          String    @unique
  refresh_token         String    @unique
  access_token_expiry   DateTime
  refresh_token_expiry  DateTime?
  scopes                Json      @default("[]")
  created_at            DateTime  @default(now())
  updated_at            DateTime?

  @@map("refresh_tokens")
}

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

  @@map("leave_types")
}

enum LeaveApprovalStatus {
  PENDING
  APPROVED
  DENIED
  CANCELLED
  ESCALATED

  @@map("leave_approval_status")
}