package repository

import (
	"context"
	"errors"
	"fmt"

	entity "git.ego.freeddns.org/egommerce/api-entities/identity/entity"

	database "git.ego.freeddns.org/egommerce/go-api-pkg/client/postgresql"

	"github.com/jackc/pgx/v5/pgxpool"
)

type URLAccessRepository struct {
	db *pgxpool.Pool
}

func NewURLAccessRepository(db *pgxpool.Pool) *URLAccessRepository {
	return &URLAccessRepository{db}
}

func (r *URLAccessRepository) FindByID(id string) (*entity.URLAccess, error) {
	var urlAccess entity.URLAccess

	sql := `SELECT id, roles, url, service FROM identity.url_access WHERE id=$1 LIMIT 1`
	err := r.db.QueryRow(context.Background(), sql, id).
		Scan(&urlAccess.ID, &urlAccess.Roles, &urlAccess.URL, &urlAccess.Service)
	if err != nil {
		return nil, errors.New("failed to fetch url_access from DB: " + err.Error())
	}

	return &urlAccess, nil
}

func (r *URLAccessRepository) FindAll() ([]entity.URLAccess, error) {
	sql := "SELECT id, roles, url, service FROM identity.url_access ORDER BY service"
	rows, err := r.db.Query(context.Background(), sql)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	var results []entity.URLAccess
	for rows.Next() {
		var url entity.URLAccess
		if err := rows.Scan(&url.ID, &url.Roles, &url.URL, &url.Service); err != nil {
			return nil, err
		}
		results = append(results, url)
	}

	return results, nil
}

func (r *URLAccessRepository) Create(role *entity.URLAccess) (string, error) {
	var id string

	return id, nil
}

func (r *URLAccessRepository) Update(role *entity.URLAccess) (entity.URLAccess, error) {
	return entity.URLAccess{}, nil
}

func (r *URLAccessRepository) Delete(id int64) (bool, error) {
	return true, nil
}

func (r *URLAccessRepository) FindByURLAndService(url, service string) (*entity.URLAccess, error) {
	var urlAccess entity.URLAccess

	sql := `SELECT id, roles, url FROM identity.url_access WHERE url=$1 AND service=$2 LIMIT 1`
	err := r.db.QueryRow(context.Background(), sql, url, service).
		Scan(&urlAccess.ID, &urlAccess.Roles, &urlAccess.URL)
	if err != nil {
		return nil, errors.New("failed to fetch url_access from DB: " + err.Error())
	}

	return &urlAccess, nil
}

func (r *URLAccessRepository) FindByURLAndServiceForRole(url, service, role string) (*entity.URLAccess, error) {
	var entity entity.URLAccess

	sql := fmt.Sprintf("SELECT id, roles, url, service FROM identity.url_access WHERE url=$1 AND service=$2 AND roles::jsonb @> '[\"%s\"]'::jsonb LIMIT 1", role)
	err := r.db.QueryRow(context.Background(), sql, url, service).
		Scan(&entity.ID, &entity.Roles, &entity.URL, &entity.Service)
	if err != nil {
		if err = database.NoRowsInQuerySet(err); err != nil {
			return nil, errors.New("no url found for: " + url + " and role: " + role)
		}

		return nil, errors.New("failed to fetch url_access from DB: " + err.Error())
	}

	return &entity, nil
}

func (r *URLAccessRepository) FindForUser(user *entity.User) {

}