import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  Index,
  OneToMany,
} from 'typeorm';

export type ConsultationStatus = 'in_progress' | 'completed' | 'cancelled';

export interface VitalSigns {
  weight_kg?: number;
  height_cm?: number;
  temperature?: number;
  blood_pressure?: string; // "120/80"
  heart_rate?: number;
  respiratory_rate?: number;
  oxygen_saturation?: number;
}

@Entity({ name: 'consultations', schema: 'clinica' })
export class Consultation {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Index()
  @Column({ name: 'tenant_id', type: 'uuid' })
  tenantId: string;

  // Relaciones
  @Index()
  @Column({ name: 'patient_id', type: 'uuid' })
  patientId: string;

  @Index()
  @Column({ name: 'doctor_id', type: 'uuid' })
  doctorId: string;

  @Column({ name: 'appointment_id', type: 'uuid', nullable: true })
  appointmentId?: string;

  // Tiempo
  @Column({ name: 'started_at', type: 'timestamptz', default: () => 'NOW()' })
  startedAt: Date;

  @Column({ name: 'ended_at', type: 'timestamptz', nullable: true })
  endedAt?: Date;

  // Contenido clinico
  @Column({ name: 'chief_complaint', type: 'text', nullable: true })
  chiefComplaint?: string;

  @Column({ name: 'present_illness', type: 'text', nullable: true })
  presentIllness?: string;

  @Column({ name: 'physical_examination', type: 'text', nullable: true })
  physicalExamination?: string;

  @Column({ type: 'text', nullable: true })
  assessment?: string;

  @Column({ type: 'text', nullable: true })
  plan?: string;

  // Signos vitales (snapshot)
  @Column({ name: 'vital_signs', type: 'jsonb', nullable: true })
  vitalSigns?: VitalSigns;

  // Estado
  @Column({ type: 'enum', enum: ['in_progress', 'completed', 'cancelled'], default: 'in_progress' })
  status: ConsultationStatus;

  @CreateDateColumn({ name: 'created_at', type: 'timestamptz' })
  createdAt: Date;

  @UpdateDateColumn({ name: 'updated_at', type: 'timestamptz' })
  updatedAt: Date;
}