package repository

import (
	"gofaster/internal/model"

	"gorm.io/gorm"
)

type UserRepo struct {
	BaseRepo
}

func NewUserRepo(db *gorm.DB) *UserRepo {
	return &UserRepo{BaseRepo{db: db}}
}

func (r *UserRepo) Create(user *model.User) error {
	return r.db.Create(user).Error
}

func (r *UserRepo) GetByID(id uint) (*model.User, error) {
	var user model.User
	err := r.db.Preload("Roles.Permissions").First(&user, id).Error
	return &user, err
}

func (r *UserRepo) GetByUsername(username string) (*model.User, error) {
	var user model.User
	err := r.db.Preload("Roles.Permissions").Where("username = ?", username).First(&user).Error
	return &user, err
}

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

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

func (r *UserRepo) List(page, pageSize int) ([]model.User, int64, error) {
	var users []model.User
	var count int64

	err := r.db.Model(&model.User{}).Count(&count).Error
	if err != nil {
		return nil, 0, err
	}

	offset := (page - 1) * pageSize
	err = r.db.Preload("Roles").Offset(offset).Limit(pageSize).Find(&users).Error
	return users, count, err
}

func (r *UserRepo) AssignRole(userID uint, roleIDs []uint) error {
	var roles []model.Role
	if err := r.db.Find(&roles, roleIDs).Error; err != nil {
		return err
	}
	return r.db.Model(&model.User{BaseModel: model.BaseModel{ID: userID}}).Association("Roles").Replace(roles)
}