using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Volo.Abp.DependencyInjection;

namespace Volo.Abp.Features
{
    public class TestFeatureStore : IFeatureStore, ISingletonDependency
    {
        public const string Tenant1IdValue = "f460fcf7-f944-469a-967b-3b2463323dfe";
        public const string Tenant2IdValue = "e10428ad-4608-4c34-a304-6f82502156f2";

        public static Guid Tenant1Id = new Guid(Tenant1IdValue);
        public static Guid Tenant2Id = new Guid(Tenant2IdValue);

        private readonly List<SettingRecord> _settingRecords;

        public TestFeatureStore()
        {
            _settingRecords = new List<SettingRecord>
            {
                new SettingRecord("BooleanTestFeature1", TenantFeatureValueProvider.ProviderName, Tenant1Id.ToString(), "true"),
                new SettingRecord("BooleanTestFeature2", TenantFeatureValueProvider.ProviderName, Tenant1Id.ToString(), "true"),
                new SettingRecord("IntegerTestFeature1", TenantFeatureValueProvider.ProviderName, Tenant2Id.ToString(), "34")
            };
        }

        public Task<string> GetOrNullAsync(string name, string providerName, string providerKey)
        {
            return Task.FromResult(
                _settingRecords.FirstOrDefault(sr =>
                    sr.Name == name &&
                    sr.ProviderName == providerName &&
                    sr.ProviderKey == providerKey
                )?.Value
            );
        }

        private class SettingRecord
        {
            public string Name { get; }
            public string ProviderName { get; }
            public string ProviderKey { get; }
            public string Value { get; }

            public SettingRecord(string name, string providerName, string providerKey, string value)
            {
                Name = name;
                ProviderName = providerName;
                ProviderKey = providerKey;
                Value = value;
            }
        }
    }
}