package com.saas.tenant.entity;

import jakarta.persistence.*;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;

import java.time.LocalDateTime;

@Entity
@Table(name = "appointments")
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Appointment {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;

    // Relationships
    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "patient_id", nullable = false)
    private Patient patient;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "doctor_id", nullable = false)
    private Doctor doctor;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "resource_id")
    private PhysicalResource resource;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "medical_service_id", nullable = false)
    private MedicalService medicalService;

    // Scheduling
    @Column(name = "appointment_date_time", nullable = false)
    private LocalDateTime appointmentDateTime;

    @Column(nullable = false)
    private Integer durationMinutes;

    @Enumerated(EnumType.STRING)
    @Column(nullable = false)
    private AppointmentStatus status = AppointmentStatus.PENDING;

    @Enumerated(EnumType.STRING)
    @Column(name = "booking_channel", nullable = false)
    private BookingChannel bookingChannel;

    // AI metadata
    @Column(name = "ai_suggested_alternatives", length = 1000)
    private String aiSuggestedAlternatives;

    @Column(name = "is_ai_scheduled")
    private Boolean isAiScheduled = false;

    @Column(name = "cancellation_reason", length = 500)
    private String cancellationReason;

    @Column(name = "patient_notes", length = 1000)
    private String patientNotes;

    @Column(name = "doctor_notes", length = 1000)
    private String doctorNotes;

    @Column(name = "reminder_sent")
    private Boolean reminderSent = false;

    @Column(name = "confirmed_at")
    private LocalDateTime confirmedAt;

    @Column(name = "canceled_at")
    private LocalDateTime canceledAt;

    @Column(name = "completed_at")
    private LocalDateTime completedAt;

    @CreationTimestamp
    @Column(nullable = false, updatable = false)
    private LocalDateTime createdAt;

    @UpdateTimestamp
    private LocalDateTime updatedAt;
}