package main

import (
	"database/sql/driver"
	"encoding/json"
	"errors"

	"gorm.io/gorm"
)

type Dude struct {
	gorm.Model
	Name     string `gorm:"type:varchar(50)" json:"name"`
	Email    string `gorm:"type:varchar(50)" json:"email"`
	Metadata JSONB  `gorm:"type:jsonb" json:"metadata"`
}

// JSONB Interface for JSONB Field of Dude Table
type JSONB map[string]interface{}

// Value Marshal
func (a JSONB) Value() (driver.Value, error) {
	return json.Marshal(a)
}

// Scan Unmarshal
func (a *JSONB) Scan(value interface{}) error {
	b, ok := value.([]byte)
	if !ok {
		return errors.New("type assertion to []byte failed")
	}
	return json.Unmarshal(b, &a)
}