import db from "../config/database.js";

class LocationService {
    static async getCountries() {
        return await db.allAsync('SELECT DISTINCT country FROM locations ORDER BY country');
    }

    static async getCitiesByCountry(country) {
        return await db.allAsync(
            'SELECT DISTINCT city FROM locations WHERE country = ? ORDER BY city',
            [country]
        );
    }

    static async getDistrictsByCountryAndCity(country, city) {
        return await db.allAsync(
            'SELECT district FROM locations WHERE country = ? AND city = ? ORDER BY district',
            [country, city]
        );
    }

    static async getLocation(country, city, district) {
        try {
            const location = await db.getAsync(
                'SELECT * FROM locations WHERE country = ? AND city = ? AND district = ?',
                [country, city, district]
            );
            return location;
        } catch (error) {
            console.error('Error fetching location:', error);
            throw new Error('Failed to fetch location');
        }
    }

    static async getLocationById(locationId) {
        try {
            const location = await db.getAsync(
                'SELECT * FROM locations WHERE id = ?',
                [locationId]
            );
            return location;
        } catch (error) {
            console.error('Error fetching location by ID:', error);
            throw new Error('Failed to fetch location');
        }
    }
}

export default LocationService;