// 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 String  @unique
  residence    String?
  role         Roles   @default(GUEST)

  employee          Employees?         @relation("UserEmployee")
  oauth_sessions    OAuthSessions[]    @relation("UserOAuthSessions")
  preferences       Preferences?       @relation("UserPreferences")

  @@map("users")
}

model Employees {
  id            Int        @id @default(autoincrement())
  user          Users      @relation("UserEmployee", fields: [user_id], references: [id])
  user_id       String     @unique @db.Uuid
  supervisor    Employees? @relation("EmployeeSupervisor", fields: [supervisor_id], references: [id])
  supervisor_id Int?
  
  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)


  crew               Employees[]        @relation("EmployeeSupervisor")
  timesheet          Timesheets[]       @relation("TimesheetEmployee")
  leave_request      LeaveRequests[]    @relation("LeaveRequestEmployee")
  schedule_presets   SchedulePresets[]  @relation("SchedulePreset")

  @@map("employees")
}

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

  comment         String
  date            DateTime            @db.Date
  payable_hours   Decimal?            @db.Decimal(5, 2)
  requested_hours Decimal?            @db.Decimal(5, 2)
  approval_status LeaveApprovalStatus @default(PENDING)
  leave_type      LeaveTypes 

  archive LeaveRequestsArchive[] @relation("LeaveRequestToArchive")

  @@unique([employee_id, leave_type, date], name: "leave_per_employee_date")
  @@index([employee_id, date])
  @@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
  date             DateTime @db.Date
  payable_hours    Decimal? @db.Decimal(5, 2)
  requested_hours  Decimal? @db.Decimal(5, 2)
  comment          String
  leave_type       LeaveTypes
  approval_status  LeaveApprovalStatus

  @@unique([leave_request_id])
  @@index([employee_id, date])
  @@map("leave_requests_archive")
}

//pay-period vue
view PayPeriods {
  pay_year      Int
  pay_period_no Int
  label         String
  payday        DateTime @db.Date
  period_start  DateTime @db.Date
  period_end    DateTime @db.Date

  @@map("pay_period")
}

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

  start_date  DateTime @db.Date
  is_approved Boolean  @default(false)

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

  @@unique([employee_id, start_date], name: "employee_id_start_date")
  @@map("timesheets")
}

model TimesheetsArchive {
  id           Int        @id @default(autoincrement())
  timesheet    Timesheets @relation("TimesheetsToArchive", fields: [timesheet_id], references: [id])
  timesheet_id Int

  employee_id  Int
  is_approved  Boolean
  archive_at   DateTime @default(now())

  @@map("timesheets_archive")
}

model SchedulePresets {
  id          Int       @id @default(autoincrement())
  employee    Employees @relation("SchedulePreset", fields: [employee_id], references: [id])
  employee_id Int

  name       String
  is_default Boolean   @default(false)

  shifts SchedulePresetShifts[] @relation("SchedulePresetShiftsSchedulePreset")

  @@unique([employee_id, name], name: "unique_preset_name_per_employee")
  @@map("schedule_presets")
}

model SchedulePresetShifts {
  id           Int             @id @default(autoincrement())
  preset       SchedulePresets @relation("SchedulePresetShiftsSchedulePreset",fields: [preset_id], references: [id])
  preset_id    Int
  bank_code    BankCodes       @relation("SchedulePresetShiftsBankCodes",fields: [bank_code_id], references: [id])
  bank_code_id Int

  sort_order Int
  start_time DateTime @db.Time(0)
  end_time   DateTime @db.Time(0)
  is_remote  Boolean  @default(false)
  week_day   Weekday

  @@unique([preset_id, week_day, sort_order], name: "unique_preset_shift_per_day_order")
  @@index([preset_id, week_day])
  @@map("schedule_preset_shifts")
}

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

  date        DateTime @db.Date
  start_time  DateTime @db.Time(0)
  end_time    DateTime @db.Time(0)
  is_approved Boolean  @default(false)
  is_remote   Boolean  @default(false)
  comment     String?

  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

  date         DateTime @db.Date
  start_time   DateTime @db.Time(0)
  end_time     DateTime @db.Time(0)
  timesheet_id Int
  bank_code_id Int
  comment      String?
  archive_at   DateTime @default(now())

  @@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")
  SchedulePresetShifts SchedulePresetShifts[] @relation("SchedulePresetShiftsBankCodes")

  @@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
  attachment_record  Attachments? @relation("ExpenseAttachment", fields: [attachment], references: [id], onDelete: SetNull)
  attachment         Int?

  date               DateTime @db.Date
  amount             Decimal? @db.Decimal(12,2)
  mileage            Decimal? @db.Decimal(12,2)
  comment            String
  supervisor_comment String?
  is_approved        Boolean  @default(false)

  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
  attachment_record  Attachments? @relation("ExpenseArchiveAttachment", fields: [attachment], references: [id], onDelete: SetNull)
  attachment         Int?

  timesheet_id       Int
  archived_at        DateTime @default(now())
  bank_code_id       Int
  date               DateTime @db.Date
  amount             Decimal? @db.Decimal(12,2)
  mileage            Decimal? @db.Decimal(12,2)
  comment            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[] @relation("AttachmnentBlob")

  @@map("blobs")
}

model Attachments {
  id     Int    @id @default(autoincrement())
  blob   Blobs  @relation("AttachmnentBlob",fields: [sha256], references: [sha256], onUpdate: Cascade)
  sha256 String @db.Char(64)

  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())

  expenses         Expenses[]        @relation("ExpenseAttachment")
  expenses_archive ExpensesArchive[] @relation("ExpenseArchiveAttachment")

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

model AttachmentVariants {
  id            Int         @id @default(autoincrement())
  attachment_id Int
  attachment    Attachments @relation("attachmentVariantAttachment",fields: [attachment_id], references: [id], onDelete: Cascade)
  variant       String
  path          String
  bytes         Int
  width         Int?
  height        Int?
  created_at    DateTime    @default(now())

  @@unique([attachment_id, variant])
  @@map("attachment_variants")
}

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

  notifications Int @default(0)
  dark_mode     Int @default(0)
  lang_switch   Int @default(0)
  lefty_mode    Int @default(0)

  employee_list_display  Int @default(0)
  validation_display     Int @default(0)
  timesheet_display      Int @default(0)

  @@map("preferences")
}

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
  HOLIDAY // férier

  @@map("leave_types")
}

enum LeaveApprovalStatus {
  PENDING
  APPROVED
  DENIED
  CANCELLED
  ESCALATED

  @@map("leave_approval_status")
}

enum Weekday {
  SUN
  MON
  TUE
  WED
  THU
  FRI
  SAT
}