// HRM Medpark — Prisma Schema
// Phase 1: Employee Master Data + Department + AuditLog
// Phase 2 stubs: EmploymentContract
// Phase 4 stubs: EvaluationCampaign, EvaluationForm
// Phase 5 stubs: WorkplaceRiskCard, EmployeeMedicalProfile, MedicalCheckup

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

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

// ═══════════════════════════════════════════════════════════════
// ENUMS
// ═══════════════════════════════════════════════════════════════

enum Sex {
  F
  M
}

enum MaritalStatus {
  casatorit
  necasatorit
  divortat
  vaduv
}

enum EmployeeStatus {
  activ
  concediat
  suspendat
}

enum DocumentType {
  buletin_de_identitate
  pasaport
}

enum FamilyMemberType {
  contact_principal
  sot
  sotie
  mama
  tata
  copil
}

enum StudyType {
  superioare
  medii_de_specialitate
  secundare_tehnice
  medii
}

enum StudyLevel {
  de_baza
  postuniversitar
}

enum PostUniversityType {
  masterat
  rezidentiat
  secundariat
  altele
}

enum DiplomaStatus {
  confirmata
  neconfirmata
}

enum QualificationCategory {
  fara
  cat_II
  cat_I
  superioara
}

enum ScientificTitle {
  doctor
  doctor_habilitat
}

enum TrainingType {
  orientare
  intern
  extern_RM
  extern_international
}

enum DisciplinarySanctionType {
  avertisment
  mustrare
  mustrare_aspra
}

// Phase 2
enum ContractPeriod {
  determinata
  nedeterminata
  replasare_temporara
}

enum ContractCategory {
  principal
  secundar
}

enum ContractType {
  de_baza
  cumul
}

enum SalaryType {
  fix
  pe_ore
  in_acord
}

// Phase 4
enum CampaignStatus {
  draft
  scheduled
  in_progress
  closed
}

enum EvaluationScore {
  slab
  mediu
  bine
}

enum ProposedCategory {
  fara
  cat_II
  cat_I
  superioara
}

// Phase 5
enum MedicalCheckupType {
  la_angajare
  periodic
  la_reluarea_activitatii
  la_incetarea_expunerii
  suplimentar
}

enum MedicalVerdict {
  apt
  apt_perioada_adaptare
  apt_conditionat
  inapt_temporar
  inapt
}

enum AnexaType {
  ANEXA_3
  ANEXA_4
  ANEXA_4A
  ANEXA_4B
  ANEXA_6
}

// Tipuri de factori cu tabel de expunere în Anexa 4 (NU-10-MS-2026)
enum RiskExposureType {
  AGENT_CHIMIC
  PULBERI
  AGENT_BIOLOGIC
  ZGOMOT
  VIBRATII
  CAMP_ELECTROMAGNETIC
  RADIATII_OPTICE
}

// Tipul supraexpunerii la radiații ionizante (Anexa 4B)
enum OverexposureKind {
  EXCEPTIONALA
  ACCIDENTALA
}

// ═══════════════════════════════════════════════════════════════
// СПРАВОЧНИКИ
// ═══════════════════════════════════════════════════════════════

model DisabilityGrade {
  id        String     @id @default(uuid())
  code      String     @unique
  name      String
  employees Employee[]

  @@map("disability_grades")
}

model TaxExemption {
  id            String         @id @default(uuid())
  code          String         @unique
  description   String
  familyMembers FamilyMember[]

  @@map("tax_exemptions")
}

model WorkSchedule {
  id          String               @id @default(uuid())
  name        String               @unique  // "5/2 8h", "7/7 12h"
  daysWork    Int
  daysRest    Int
  hoursPerDay Int
  contracts   EmploymentContract[]

  @@map("work_schedules")
}

// ═══════════════════════════════════════════════════════════════
// DEPARTMENT — иерархия (adjacency list)
// ═══════════════════════════════════════════════════════════════

model Department {
  id        String       @id @default(uuid())
  name      String
  code      String?      @unique
  parentId  String?
  parent    Department?  @relation("DeptTree", fields: [parentId], references: [id])
  children  Department[] @relation("DeptTree")

  contracts  EmploymentContract[]
  campaigns  EvaluationCampaign[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([parentId])
  @@map("departments")
}

// ═══════════════════════════════════════════════════════════════
// EMPLOYEE — ядро системы
// ═══════════════════════════════════════════════════════════════

model Employee {
  id   String @id @default(uuid())
  // IDNP — 13 цифр, алгоритм контрольной суммы валидируется на app-уровне
  idnp String @unique @db.VarChar(13)

  // A. Личная информация
  nume            String
  prenume         String
  patronimic      String?
  numeAnterior    String?
  dataNasterii    DateTime  @db.Date
  domiciliu       String
  adresaReala     String?
  telefonPersonal String
  telefonServiciu String?
  emailPersonal   String?
  emailCorporativ String?
  sex             Sex
  codCpas         String?
  stareCivila     MaritalStatus?

  // Научное/университетское звание (уровень Employee, не Qualification)
  titluStiintific   ScientificTitle?
  titluUniversitar  String?

  status EmployeeStatus @default(activ)

  gradDizabilitateId String?
  gradDizabilitate   DisabilityGrade? @relation(fields: [gradDizabilitateId], references: [id])

  // Кто рекомендовал (самоссылка)
  // Бизнес-правило: нельзя выбрать супруга текущего сотрудника — проверка на service-уровне
  recomandareInternaId String?
  recomandareInterna   Employee?  @relation("Recomandari", fields: [recomandareInternaId], references: [id])
  recomandat           Employee[] @relation("Recomandari")

  // Связанные сущности
  identityDocuments     IdentityDocument[]
  familyMembers         FamilyMember[]
  educations            Education[]
  qualifications        Qualification[]
  trainings             Training[]
  disciplinarySanctions DisciplinarySanction[]
  contracts             EmploymentContract[]
  benefit               Benefit?
  evaluationForms       EvaluationForm[]
  medicalProfile        EmployeeMedicalProfile?
  medicalCheckups       MedicalCheckup[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([idnp])
  @@index([nume, prenume])
  @@index([status])
  @@index([dataNasterii])
  @@map("employees")
}

// ═══════════════════════════════════════════════════════════════
// B. IDENTITY DOCUMENT
// ═══════════════════════════════════════════════════════════════

model IdentityDocument {
  id                 String       @id @default(uuid())
  employeeId         String
  employee           Employee     @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  tipAct             DocumentType
  seria              String?
  nr                 String
  dataEmiterii       DateTime     @db.Date
  autoritateEmitenta String
  dataExpirarii      DateTime     @db.Date

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Cron-задача за 30 дней до dataExpirarii → HR Inbox
  @@index([employeeId])
  @@index([dataExpirarii])
  @@map("identity_documents")
}

// ═══════════════════════════════════════════════════════════════
// C. FAMILY MEMBERS
// ═══════════════════════════════════════════════════════════════

model FamilyMember {
  id           String           @id @default(uuid())
  employeeId   String
  employee     Employee         @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  tip          FamilyMemberType
  numePrenume  String
  dataNasterii DateTime?        @db.Date
  idnp         String?          @db.VarChar(13)
  telefon      String?          // обязателен для contact_principal — проверка на service-уровне

  // Скидки FISC (только для copil)
  tipScutireId String?
  tipScutire   TaxExemption? @relation(fields: [tipScutireId], references: [id])

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([employeeId])
  @@map("family_members")
}

// ═══════════════════════════════════════════════════════════════
// D. EDUCATION
// ═══════════════════════════════════════════════════════════════

model Education {
  id                 String              @id @default(uuid())
  employeeId         String
  employee           Employee            @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  tipStudii          StudyType
  institutia         String
  specialitatea      String
  dataAbsolvirii     DateTime?           @db.Date
  nrSeriaDiploma     String?
  dataEmiterii       DateTime?           @db.Date
  nrInregistrare     String?
  confirmare         DiplomaStatus?
  nivel              StudyLevel?
  tipPostuniversitar PostUniversityType?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([employeeId])
  @@map("educations")
}

// ═══════════════════════════════════════════════════════════════
// E. QUALIFICATIONS
// ═══════════════════════════════════════════════════════════════

model Qualification {
  id                    String                @id @default(uuid())
  employeeId            String
  employee              Employee              @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  categorie             QualificationCategory
  dataObtinerii         DateTime?             @db.Date
  dataUltimeiConfirmari DateTime?             @db.Date
  dataExpirarii         DateTime?             @db.Date
  specialitate          String?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Cron-задача за 90/30/7 дней до dataExpirarii → HR + manager
  @@index([employeeId])
  @@index([dataExpirarii])
  @@map("qualifications")
}

// ═══════════════════════════════════════════════════════════════
// F. TRAINING
// ═══════════════════════════════════════════════════════════════

model Training {
  id          String       @id @default(uuid())
  employeeId  String
  employee    Employee     @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  denumire    String
  inceput     DateTime     @db.Date
  sfirsit     DateTime?    @db.Date
  tip         TrainingType
  tara        String?
  nrOre       Int?
  organizatia String?
  certificat  Boolean      @default(false)
  cost        Decimal?     @db.Decimal(10, 2)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([employeeId])
  @@map("trainings")
}

// ═══════════════════════════════════════════════════════════════
// G. DISCIPLINARY SANCTIONS
// ═══════════════════════════════════════════════════════════════

model DisciplinarySanction {
  id            String                   @id @default(uuid())
  employeeId    String
  employee      Employee                 @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  tip           DisciplinarySanctionType
  dataAplicarii DateTime                 @db.Date
  // auto-calc: dataAplicarii + 6 months — вычисляется на service-уровне при создании
  dataExpirarii DateTime                 @db.Date
  // set true cron-ом после dataExpirarii; до этого — активна при расчёте performance
  isStinsa      Boolean                  @default(false)

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([employeeId])
  @@index([dataExpirarii])
  @@map("disciplinary_sanctions")
}

// ═══════════════════════════════════════════════════════════════
// H. BENEFITS
// ═══════════════════════════════════════════════════════════════

model Benefit {
  id         String   @id @default(uuid())
  employeeId String   @unique
  employee   Employee @relation(fields: [employeeId], references: [id], onDelete: Cascade)

  uniformaId String?
  uniforma   InventoryItem? @relation("BenefitUniforma", fields: [uniformaId], references: [id])
  halatId    String?
  halat      InventoryItem? @relation("BenefitHalat", fields: [halatId], references: [id])
  ciupiciId  String?
  ciupici    InventoryItem? @relation("BenefitCiupici", fields: [ciupiciId], references: [id])
  vestaId    String?
  vesta      InventoryItem? @relation("BenefitVesta", fields: [vestaId], references: [id])

  ticheteMasa         Boolean  @default(false)
  valoareTichet       Decimal? @db.Decimal(10, 2)
  alimentatiePersonal Boolean  @default(false)
  abonamentTel        Decimal? @db.Decimal(10, 2)
  aparatTelefonId     String?
  aparatTelefon       InventoryItem? @relation("BenefitAparatTel", fields: [aparatTelefonId], references: [id])
  cardCompanie        String?
  automobilServiciu   String?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@map("benefits")
}

enum InventoryItemType {
  uniforma
  halat
  ciupici
  vesta
  aparat_telefon
  alte
}

model InventoryItem {
  id           String            @id @default(uuid())
  sku          String            @unique
  name         String
  type         InventoryItemType
  size         String?
  color        String?
  pricePerUnit Decimal?          @db.Decimal(10, 2)
  stockQty     Int               @default(0)
  active       Boolean           @default(true)
  createdAt    DateTime          @default(now())
  updatedAt    DateTime          @updatedAt

  uniformaBenefits  Benefit[] @relation("BenefitUniforma")
  halatBenefits     Benefit[] @relation("BenefitHalat")
  ciupiciBenefits   Benefit[] @relation("BenefitCiupici")
  vestaBenefits     Benefit[] @relation("BenefitVesta")
  aparatTelBenefits Benefit[] @relation("BenefitAparatTel")

  @@index([type, active])
  @@map("inventory_items")
}

// ═══════════════════════════════════════════════════════════════
// PHASE 2 STUB: EMPLOYMENT CONTRACT
// ═══════════════════════════════════════════════════════════════

model EmploymentContract {
  id                  String           @id @default(uuid())
  nrCim               String           @unique
  employeeId          String
  employee            Employee         @relation(fields: [employeeId], references: [id])
  categorie           ContractCategory
  dataSemnarii        DateTime         @db.Date
  dataAngajarii       DateTime         @db.Date
  dataDemisiei        DateTime?        @db.Date
  perioada            ContractPeriod
  dataTerminarii      DateTime?        @db.Date
  functiaClasificator String?          // CORM код
  codFunctie          String?
  functiaOrganigrama  String?
  tipCim              ContractType
  departmentId        String
  department          Department       @relation(fields: [departmentId], references: [id])
  regimMunca          String?
  tipSalarizare       SalaryType?
  // Условные поля salariu_fix / pe_ore / in_acord хранятся как JSONB
  salarizareDetails   Json?
  clausaAditionala    Json?
  workScheduleId      String?
  workSchedule        WorkSchedule?    @relation(fields: [workScheduleId], references: [id])

  categoriiServicii CimServiceCategory[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  // Бизнес-правило: zile_concediu = MAX среди всех CIM сотрудника — проверка на service-уровне
  @@index([employeeId])
  @@index([departmentId])
  @@index([dataDemisiei])
  @@map("employment_contracts")
}

model CimServiceCategory {
  id            String             @id @default(uuid())
  contractId    String
  contract      EmploymentContract @relation(fields: [contractId], references: [id], onDelete: Cascade)
  categorieId   String
  tipRemunerare String             // 'tarif' | 'procent'
  sumaNeta      Decimal?           @db.Decimal(10, 2)
  procent       Decimal?           @db.Decimal(5, 2)

  @@index([contractId])
  @@map("cim_service_categories")
}

// ═══════════════════════════════════════════════════════════════
// PHASE 4 STUB: PERFORMANCE EVALUATION
// ═══════════════════════════════════════════════════════════════

model EvaluationCampaign {
  id           String         @id @default(uuid())
  name         String
  departmentId String
  department   Department     @relation(fields: [departmentId], references: [id])
  month        DateTime       @db.Date // первый день месяца кампании
  status       CampaignStatus @default(draft)
  forms        EvaluationForm[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([departmentId])
  @@index([month])
  @@map("evaluation_campaigns")
}

model EvaluationForm {
  id         String             @id @default(uuid())
  campaignId String
  campaign   EvaluationCampaign @relation(fields: [campaignId], references: [id], onDelete: Cascade)
  employeeId String
  employee   Employee           @relation(fields: [employeeId], references: [id])

  // A. Competente clinice (slab/mediu/bine)
  abilitatiClinice       EvaluationScore?
  judecataClinica        EvaluationScore?
  manopere               EvaluationScore?
  gestionareaSarcinilor  EvaluationScore?

  // B. Comunicare si empatie
  constiintaProfesionala   EvaluationScore?
  atitudineaPacienti       EvaluationScore?
  atitudineaColegi         EvaluationScore?
  atitudineaPersonalNonMed EvaluationScore?

  // C. Disciplina
  utilizareSmartphone   EvaluationScore?
  respectareaProgramului EvaluationScore?
  respectareaDressCode  EvaluationScore?

  // D. Documentatie si complianta
  testJci               Json?    // { score, max_score, percent, completed_at, source, external_id }
  completareaDocMed     Boolean?
  perfectioneazaCunostinte Boolean?

  // E. Candidat EXPERT (Da/Nu)
  membruComitetCalitate Boolean?
  functieDeMonitor      Boolean?
  inlocuiesteSuperiorul Boolean?

  // F. Verdict final
  categorieCalculata ProposedCategory?
  categorieAprobata  ProposedCategory? // override de nursing_director
  observatii         String?

  completedAt DateTime?
  createdAt   DateTime  @default(now())
  updatedAt   DateTime  @updatedAt

  @@unique([campaignId, employeeId])
  @@index([campaignId])
  @@index([employeeId])
  @@map("evaluation_forms")
}

// ═══════════════════════════════════════════════════════════════
// PHASE 5 STUB: MEDICAL CONTROL
// ═══════════════════════════════════════════════════════════════

model WorkplaceRiskCard {
  id          String   @id @default(uuid())
  name        String   @unique // "Medic profil chirurgical cu gărzi de noapte"
  riskFactors Json?    // legacy: { chimici, fizici, biologici, ergonomici, psihosociali }
  profiles    EmployeeMedicalProfile[]

  // ── Anexa 4 — antet (Fișa de evaluare a riscurilor profesionale) ──
  filiala                String?
  adresaFiliala          String?
  telefonFiliala         String?
  caemPrimeleDouaCifre   String?
  cormSubgrupaMajora     String?
  directiaSectiaSectorul String?
  numarulLoculuiDeMunca  String?
  caemDiviziune          String?
  clasaConditiilorDeMunca String?
  numarLucratoriPosibili Int?
  // STANDARD (Anexa 4) | DISTANTA_DIGITAL (Anexa 4A — muncă la distanță/platforme digitale)
  tipFisa                String  @default("STANDARD")

  // ── Anexa 4 — bloc descriptiv (checkbox-uri / descrieri) ──
  evaluareDetalii Json?

  // ── Anexa 4 — radiații ionizante (per loc de muncă) ──
  radiatiiIonizante       Boolean @default(false)
  radiatiiGrupa           String? // A | B
  radiatiiAparatura       String?
  radiatiiSurse           String? // inchise | deschise
  radiatiiTipExpunere     String? // X externă | gamma externă | internă | externă și internă
  radiatiiMasuriProtectie String?

  // ── Anexa 4 — subsol ──
  mijloaceProtectieColectiva   String?
  mijloaceProtectieIndividuala String?
  echipamentLucru              String?
  observatii                   String?
  anexeIgienicoSanitare        Json?   // { vestiar, chiuveta, wc, dus, salaMese, recreere }

  exposures WorkplaceRiskExposure[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@map("workplace_risk_cards")
}

// Rând din tabelele factoriale ale Anexei 4
model WorkplaceRiskExposure {
  id             String            @id @default(uuid())
  cardId         String
  card           WorkplaceRiskCard @relation(fields: [cardId], references: [id], onDelete: Cascade)
  tip            RiskExposureType
  denumire       String
  cas            String? // doar chimic / pulberi
  einecs         String? // doar chimic / pulberi
  clasificare    String? // doar agent biologic
  zonaAfectata   String? // vibrații / câmp EM / radiații optice
  timpExpunere   String?
  vep            String? // valoarea de expunere profesională
  vlep           String? // valoarea-limită de expunere profesională obligatorie
  caracteristici String?
  procesVerbal   String?

  createdAt DateTime @default(now())

  @@index([cardId])
  @@map("workplace_risk_exposures")
}

model EmployeeMedicalProfile {
  id                     String             @id @default(uuid())
  employeeId             String             @unique
  employee               Employee           @relation(fields: [employeeId], references: [id], onDelete: Cascade)
  ocupatieCorm           String?
  workplaceRiskCardId    String?
  workplaceRiskCard      WorkplaceRiskCard? @relation(fields: [workplaceRiskCardId], references: [id])
  dataUltimControlMedical DateTime?         @db.Date

  // Câmpuri radiații ionizante
  expusRadiatiiIonizante     Boolean  @default(false)
  dataIntrarii               DateTime? @db.Date
  expunereAnterioaraPerioda  String?   // se completează o singură dată la angajare
  expunereAnterioaraAni      Int?
  dozaCumulataExternaMsv     Decimal?  @db.Decimal(10, 4)
  dozaCumulataInternaMsv     Decimal?  @db.Decimal(10, 4)
  // dozaTotalaMsv = externa + interna — câmp calculat, nu stocat

  // Supraexpuneri excepționale/accidentale (Anexa 4B)
  overexposures RadiationOverexposure[]

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@map("employee_medical_profiles")
}

// Supraexpunere la radiații ionizante — rând din Anexa 4B (per lucrător)
model RadiationOverexposure {
  id               String                 @id @default(uuid())
  medicalProfileId String
  medicalProfile   EmployeeMedicalProfile @relation(fields: [medicalProfileId], references: [id], onDelete: Cascade)
  fel              OverexposureKind       // EXCEPTIONALA | ACCIDENTALA
  tipExpunere      String?                // X externă | gamma externă | internă | externă și internă
  data             DateTime?              @db.Date
  dozaMsv          Decimal?               @db.Decimal(10, 4)
  createdAt        DateTime               @default(now())

  @@index([medicalProfileId])
  @@map("radiation_overexposures")
}

model MedicalCheckup {
  id              String             @id @default(uuid())
  employeeId      String
  employee        Employee           @relation(fields: [employeeId], references: [id])
  tip             MedicalCheckupType
  dataPlanificata DateTime           @db.Date
  dataEfectuata   DateTime?          @db.Date
  verdict         MedicalVerdict?
  recomandari     String?
  valabilPanaLa   DateTime?          @db.Date
  semnatDe        String?
  // Ссылки на S3-документы: [{ name, url, type }]
  documenteGenerate Json?

  createdAt DateTime @default(now())
  updatedAt DateTime @updatedAt

  @@index([employeeId])
  @@index([dataPlanificata])
  @@map("medical_checkups")
}

// ═══════════════════════════════════════════════════════════════
// AUDIT LOG — append-only, 5 ani retentie
// ═══════════════════════════════════════════════════════════════

model AuditLog {
  id       BigInt   @id @default(autoincrement())
  ts       DateTime @default(now())
  userId   String
  userRole String   @db.VarChar(50)
  ip       String?  @db.VarChar(45) // IPv4 или IPv6
  action   String   @db.VarChar(20) // READ | CREATE | UPDATE | DELETE | EXPORT
  entity   String   @db.VarChar(50)
  entityId String   @db.VarChar(50)
  field    String?  @db.VarChar(100)
  // PII-значения шифруются на app-уровне (pgcrypto / KMS) перед записью
  oldValue String?
  newValue String?
  reason   String?  // обязателен для READ медицинских данных (GDPR)

  @@index([userId])
  @@index([entity, entityId])
  @@index([ts])
  @@map("audit_logs")
}

// ═══════════════════════════════════════════════════════════════
// ANEXA TEMPLATE EDITOR
// ═══════════════════════════════════════════════════════════════

model AnexaTemplate {
  id          String                 @id @default(uuid())
  type        AnexaType              @unique
  name        String
  contentJson Json
  updatedById String
  updatedAt   DateTime               @updatedAt
  versions    AnexaTemplateVersion[]

  @@map("anexa_templates")
}

model AnexaTemplateVersion {
  id          String        @id @default(uuid())
  templateId  String
  template    AnexaTemplate @relation(fields: [templateId], references: [id], onDelete: Cascade)
  contentJson Json
  savedById   String
  savedAt     DateTime      @default(now())
  label       String?

  @@index([templateId])
  @@map("anexa_template_versions")
}