using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ServiceStack.FluentValidation.Internal;
using ServiceStack.FluentValidation;

namespace ServiceStack.ServiceInterface.Validation
{
    public class MultiRuleSetValidatorSelector : IValidatorSelector
    {
        readonly string[] rulesetsToExecute;

        /// <summary>
        /// Creates a new instance of the RulesetValidatorSelector.
        /// </summary>
        public MultiRuleSetValidatorSelector(params string[] rulesetsToExecute) {
            this.rulesetsToExecute = rulesetsToExecute;
        }

        /// <summary>
        /// Determines whether or not a rule should execute.
        /// </summary>
        /// <param name="rule">The rule</param>
        /// <param name="propertyPath">Property path (eg Customer.Address.Line1)</param>
        /// <param name="context">Contextual information</param>
        /// <returns>Whether or not the validator can execute.</returns>
        public bool CanExecute(IValidationRule rule, string propertyPath, ValidationContext context) {
            if (string.IsNullOrEmpty(rule.RuleSet)) return true;
            if (!string.IsNullOrEmpty(rule.RuleSet) && rulesetsToExecute.Length > 0 && rulesetsToExecute.Contains(rule.RuleSet)) return true;
            if (rulesetsToExecute.Contains("*")) return true;

            return false;
        }
    }
}