package auth

import (
    "errors"
	"gorm.io/gorm"
    "golang.org/x/crypto/bcrypt"
    log "github.com/sirupsen/logrus"
    "reichard.io/imagini/internal/query"
    "reichard.io/imagini/internal/models"
)

func authenticateLocalUser(user models.User, pw string) bool {
    bPassword :=[]byte(pw)
    err := bcrypt.CompareHashAndPassword([]byte(user.HashedPassword), bPassword)
    if err == nil {
        log.Info("[auth] Authentication successfull: ", user.Username)
        return true
    }
    log.Warn("[auth] Authentication failed: ", user.Username)
    return false
}

func CreateUser(db *gorm.DB, user models.User, pw string) error {
    log.Info("[auth] Creating user: ", user.Username)
    _, err := query.User(db, user)
    if !errors.Is(err, gorm.ErrRecordNotFound) {
        log.Warn("[auth] User already exists: ", user.Username)
        return errors.New("User already exists")
    }

    hashedPassword, err := bcrypt.GenerateFromPassword([]byte(pw), bcrypt.DefaultCost)
    if err != nil {
        log.Error(err)
        return err
    }
    user.HashedPassword = string(hashedPassword)
    return query.CreateUser(db, user)
}