package Database

import (
	"git.tovijaeschke.xyz/tovi/Envelope/Backend/Models"

	"gorm.io/gorm"
	"gorm.io/gorm/clause"
)

// GetMessageByID gets a message
func GetMessageByID(id string) (Models.Message, error) {
	var (
		message Models.Message
		err     error
	)

	err = DB.Preload(clause.Associations).
		First(&message, "id = ?", id).
		Error

	return message, err
}

// GetMessagesByAssociationKey for getting whole thread
func GetMessagesByAssociationKey(associationKey string, page int) ([]Models.Message, error) {
	var (
		messages []Models.Message
		offset   int
		err      error
	)

	offset = page * PageSize

	err = DB.Preload("MessageData").
		Preload("MessageData.Attachment").
		Offset(offset).
		Limit(PageSize).
		Order("created_at DESC").
		Find(&messages, "association_key = ?", associationKey).
		Error

	return messages, err
}

// CreateMessage creates a message record
func CreateMessage(message *Models.Message) error {
	var err error

	err = DB.Session(&gorm.Session{FullSaveAssociations: true}).
		Create(message).
		Error

	return err
}

// CreateMessages creates multiple records
func CreateMessages(messages *[]Models.Message) error {
	var err error

	err = DB.Session(&gorm.Session{FullSaveAssociations: true}).
		Create(messages).
		Error

	return err
}

// DeleteMessage deletes a message
func DeleteMessage(message *Models.Message) error {
	return DB.Session(&gorm.Session{FullSaveAssociations: true}).
		Delete(message).
		Error
}