package user

import "gorm.io/gorm"

type UserEntity struct {
	gorm.Model
	Name        string
	SlackUserId string
	Active      bool
	IsBot       bool
	Email       string
	RealName    string
	Image       string
}

func (UserEntity) TableName() string {
	return "houston_user"
}

func (entity UserEntity) ToDTO() *UserDTO {
	return &UserDTO{
		ID:          entity.ID,
		Name:        entity.Name,
		SlackUserId: entity.SlackUserId,
		Active:      entity.Active,
		IsBot:       entity.IsBot,
		Email:       entity.Email,
		RealName:    entity.RealName,
		Image:       entity.Image,
	}
}

type UserDTO struct {
	ID          uint   `json:"id"`
	Name        string `json:"name"`
	SlackUserId string `json:"slack_user_id"`
	Active      bool   `json:"active"`
	IsBot       bool   `json:"is_bot"`
	Email       string `json:"email"`
	RealName    string `json:"real_name"`
	Image       string `json:"image"`
}

func (entity *UserEntity) Update(user UserEntity) (UserEntity, bool) {
	setterFunctions := []func(UserEntity) bool{
		entity.setNameIfNotEqual, entity.setImageIfNotEqual,
		entity.setRealNameIfNotEqual, entity.setActiveIfNotEqual, entity.setIsBotIfNotEqual,
	}

	hasUpdated := false
	for _, setter := range setterFunctions {
		hasUpdated = setter(user) || hasUpdated
	}

	return *entity, hasUpdated
}

func (entity *UserEntity) setNameIfNotEqual(user UserEntity) bool {
	if entity.Name != user.Name {
		entity.Name = user.Name
		return true
	}
	return false
}

func (entity *UserEntity) setImageIfNotEqual(user UserEntity) bool {
	if entity.Image != user.Image {
		entity.Image = user.Image
		return true
	}
	return false
}

func (entity *UserEntity) setRealNameIfNotEqual(user UserEntity) bool {
	if entity.RealName != user.RealName {
		entity.RealName = user.RealName
		return true
	}
	return false
}

func (entity *UserEntity) setActiveIfNotEqual(user UserEntity) bool {
	if entity.Active != user.Active {
		entity.Active = user.Active
		return true
	}
	return false
}

func (entity *UserEntity) setIsBotIfNotEqual(user UserEntity) bool {
	if entity.IsBot != user.IsBot {
		entity.IsBot = user.IsBot
		return true
	}
	return false
}