class JSONUtils {
    constructor(data) {
        if (typeof data !== 'object' || data === null) {
            throw new Error('Data must be a valid JSON object');
        }
        this.data = data;
    }

    getValue(path) {
        const keys = path.split('.');
        let result = this.data;

        try {
            for (const key of keys) {
                if (result[key] === undefined) {
                    throw new Error(`Property '${key}' does not exist`);
                }
                result = result[key];
            }
            return result;
        } catch (error) {
            console.error(error.message);
            return null; // Devuelve null si hay un error
        }
    }

    setValue(path, value) {
        const keys = path.split('.');
        let current = this.data;

        try {
            keys.forEach((key, index) => {
                if (index === keys.length - 1) {
                    current[key] = value;
                } else {
                    if (current[key] === undefined) {
                        current[key] = {}; // Crea objeto si no existe
                    }
                    current = current[key];
                }
            });
        } catch (error) {
            console.error(`Error setting value: ${error.message}`);
        }
    }

    updateValue(path, value) {
        const currentValue = this.getValue(path);
        if (currentValue !== null) {
            this.setValue(path, value);
        } else {
            console.error(`Cannot update: Property at '${path}' does not exist`);
        }
    }

    deleteValue(path) {
        const keys = path.split('.');
        let current = this.data;

        try {
            keys.forEach((key, index) => {
                if (index === keys.length - 1) {
                    delete current[key];
                } else {
                    if (current[key] === undefined) {
                        throw new Error(`Property '${key}' does not exist`);
                    }
                    current = current[key];
                }
            });
        } catch (error) {
            console.error(`Error deleting value: ${error.message}`);
        }
    }

    saveToFile() {
        try {
            fs.writeFileSync(this.filePath, JSON.stringify(this.data, null, 2));
            console.log('Datos guardados exitosamente en el archivo.');
        } catch (error) {
            console.error('Error al guardar los datos:', error.message);
        }
    }

    getJSON() {
        return this.data;
    }

    printJSON() {
        console.log(JSON.stringify(this.data, null, 2));
    }
}

module.exports = JSONUtils;