package roomescape.reservation.domain;

import java.time.LocalDate;

import org.springframework.http.HttpStatus;

import com.fasterxml.jackson.annotation.JsonIgnore;

import jakarta.persistence.Entity;
import jakarta.persistence.EnumType;
import jakarta.persistence.Enumerated;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.ManyToOne;
import roomescape.member.infrastructure.persistence.Member;
import roomescape.common.exception.ErrorType;
import roomescape.common.exception.RoomescapeException;
import roomescape.theme.domain.Theme;

@Entity
public class Reservation {

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

	private LocalDate date;

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "time_id", nullable = false)
	private ReservationTime reservationTime;

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "theme_id", nullable = false)
	private Theme theme;

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "member_id", nullable = false)
	private Member member;

	@Enumerated(value = EnumType.STRING)
	private ReservationStatus reservationStatus;

	protected Reservation() {
	}

	public Reservation(
		LocalDate date,
		ReservationTime reservationTime,
		Theme theme,
		Member member,
		ReservationStatus status
	) {
		this(null, date, reservationTime, theme, member, status);
	}

	public Reservation(
		Long id,
		LocalDate date,
		ReservationTime reservationTime,
		Theme theme,
		Member member,
		ReservationStatus status
	) {
		validateIsNull(date, reservationTime, theme, member, status);
		this.id = id;
		this.date = date;
		this.reservationTime = reservationTime;
		this.theme = theme;
		this.member = member;
		this.reservationStatus = status;
	}

	private void validateIsNull(LocalDate date, ReservationTime reservationTime, Theme theme, Member member,
		ReservationStatus reservationStatus) {
		if (date == null || reservationTime == null || theme == null || member == null || reservationStatus == null) {
			throw new RoomescapeException(ErrorType.REQUEST_DATA_BLANK, String.format("[values: %s]", this),
				HttpStatus.BAD_REQUEST);
		}
	}

	public Long getMemberId() {
		return member.getId();
	}

	public Long getId() {
		return id;
	}

	public LocalDate getDate() {
		return date;
	}

	public ReservationTime getReservationTime() {
		return reservationTime;
	}

	public Theme getTheme() {
		return theme;
	}

	public Member getMember() {
		return member;
	}

	public ReservationStatus getReservationStatus() {
		return reservationStatus;
	}

	@JsonIgnore
	public boolean isSameDateAndTime(LocalDate date, ReservationTime time) {
		return this.date.equals(date) && time.getStartAt().equals(this.reservationTime.getStartAt());
	}

	@JsonIgnore
	public boolean isWaiting() {
		return reservationStatus == ReservationStatus.WAITING;
	}

	@JsonIgnore
	public boolean isSameMember(Long memberId) {
		return getMemberId().equals(memberId);
	}
}