/**
 * ValidationRule - Individual validation rule
 * 
 * Represents a single validation rule with its configuration.
 */

export class ValidationRule {
    constructor(name, validator, options = {}) {
        this.name = name;
        this.validator = validator;
        this.options = options;
    }
    
    /**
     * Validate a value against this rule
     */
    async validate(value) {
        if (typeof this.validator === 'function') {
            const result = await this.validator(value, this.options);
            return result === true ? true : (result || this.options.message || 'Validation failed');
        }
        return true;
    }
    
    /**
     * Get rule name
     */
    getName() {
        return this.name;
    }
    
    /**
     * Get rule options
     */
    getOptions() {
        return { ...this.options };
    }
    
    /**
     * Create a validation rule
     */
    static create(name, validator, options = {}) {
        return new ValidationRule(name, validator, options);
    }
}