package database

import (
	"bytes"
	"encoding/gob"
	"fmt"
	"time"

	bolt "go.etcd.io/bbolt"
)

type User struct {
	CreatedAt      time.Time
	UpdatedAt      time.Time
	HashedPassword string
	Profile        Profile
}

type Profile struct {
	Name  string
	URL   string
	Photo string
	Email string
}

func UpdateUser(boltdb *bolt.DB, identifier string, user User) error {
	bucketName := []byte(usersBucket)

	err := boltdb.Update(func(tx *bolt.Tx) error {
		bucket := tx.Bucket(bucketName)

		if bucket == nil {
			return fmt.Errorf("the %s bucket does not exist", string(bucketName))
		}

		key := []byte(identifier)

		buffer := new(bytes.Buffer)
		if err := gob.NewEncoder(buffer).Encode(user); err != nil {
			return fmt.Errorf(
				"unable to encode the user data: %w",
				err,
			)
		}

		if err := bucket.Put(key, buffer.Bytes()); err != nil {
			return fmt.Errorf(
				"unable to update the user in the %s bucket: %w",
				string(bucketName),
				err,
			)
		}

		return nil
	})
	if err != nil {
		return fmt.Errorf("error updating the user in the database: %w", err)
	}

	return nil
}