package repository

import (
	"evanpage-backend/internal/domain"
	"gorm.io/gorm"
)

type UserRepository struct {
	db *gorm.DB
}

func NewUserRepository(db *gorm.DB) *UserRepository {
	return &UserRepository{db: db}
}

func (r *UserRepository) Create(user *domain.User) error {
	return r.db.Create(user).Error
}

func (r *UserRepository) FindByID(id uint) (*domain.User, error) {
	var user domain.User
	err := r.db.First(&user, id).Error
	return &user, err
}

func (r *UserRepository) FindByUsername(username string) (*domain.User, error) {
	var user domain.User
	err := r.db.Where("username = ?", username).First(&user).Error
	return &user, err
}

func (r *UserRepository) FindByEmail(email string) (*domain.User, error) {
	var user domain.User
	err := r.db.Where("email = ?", email).First(&user).Error
	return &user, err
}

func (r *UserRepository) FindByKeycloakID(keycloakID string) (*domain.User, error) {
	var user domain.User
	err := r.db.Where("keycloak_id = ?", keycloakID).First(&user).Error
	return &user, err
}

func (r *UserRepository) ListAll() ([]domain.User, error) {
	var users []domain.User
	err := r.db.Select("id", "username", "email", "role", "keycloak_id", "created_at", "updated_at").Find(&users).Error
	return users, err
}

func (r *UserRepository) Update(user *domain.User) error {
	return r.db.Save(user).Error
}

func (r *UserRepository) Delete(id uint) error {
	return r.db.Delete(&domain.User{}, id).Error
}

func (r *UserRepository) Count() (int64, error) {
	var count int64
	err := r.db.Model(&domain.User{}).Count(&count).Error
	return count, err
}