package models

import (
	"kontor-api-gin/internal/helpers"
	"time"
)

type BookAuthor struct {
	ID        string     `gorm:"type:string;primary_key;"  json:"id"`
	CreatedAt time.Time  `gorm:"column:created_date"       json:"created_date"`
	UpdatedAt time.Time  `gorm:"column:last_modified_date" json:"last_modified_date"`
	DeletedAt *time.Time `gorm:"column:deleted_date"       json:"deleted_date"`
	Version   int        `gorm:"default:0"                 json:"version"`
	BookID    *string    `gorm:"column:book_id"            json:"book_id"`
	Book      *Book      `gorm:"foreignKey:BookID"         json:"book"`
	AuthorID  *string    `form:"column:author_id"          json:"author_id"`
	Author    *Author    `gorm:"foreignKey:AuthorID"       json:"author"`
}

func (book_author *BookAuthor) TableName() string {
	return "book_author"
}

type BookAuthorDTO struct {
	ID        string             `json:"id"                  binding:"required"`
	CreatedAt helpers.KontorTime `json:"created_date"`
	UpdatedAt helpers.KontorTime `json:"last_modified_date"`
	DeletedAt *time.Time         `json:"deleted_date"`
	Version   int                `json:"version"`
	BookID    *string            `json:"book_id"`
	AuthorID  *string            `json:"author_id"`
}

func (dto BookAuthorDTO) ConvertDTOToModel() BookAuthor {
	model := BookAuthor{
		ID:        dto.ID,
		CreatedAt: dto.CreatedAt.Time,
		UpdatedAt: dto.UpdatedAt.Time,
		DeletedAt: dto.DeletedAt,
		Version:   dto.Version,
		BookID:    dto.BookID,
		AuthorID:  dto.AuthorID,
	}
	return model
}

func ConvertBookAuthorsToDtos(book_authors []BookAuthor) []BookAuthorDTO {
	dtos := make([]BookAuthorDTO, len(book_authors))
	for i, book_author := range book_authors {
		dtos[i] = BookAuthorDTO{
			ID:        book_author.ID,
			CreatedAt: helpers.KontorTime{Time: book_author.CreatedAt},
			UpdatedAt: helpers.KontorTime{Time: book_author.UpdatedAt},
			DeletedAt: book_author.DeletedAt,
			Version:   book_author.Version,
			BookID:    book_author.BookID,
			AuthorID:  book_author.AuthorID,
		}
	}
	return dtos
}

type BookAuthorDTOList []BookAuthorDTO