using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Erp.Settings.Localization;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.Localization;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.Domain.Services;
using Volo.Abp.Settings;
using SettingDefinition = Erp.Settings.Entities.SettingDefinition;

namespace Erp.Settings;

public class ErpSettingDefinitionManager : DomainService
{
    private readonly IRepository<SettingDefinition, Guid> repository;
    private readonly IStringLocalizer<SettingsResource> l;
    private readonly ISettingProvider settingProvider;
    private readonly IAuthorizationService authorizationService;

    public ErpSettingDefinitionManager(
        IRepository<SettingDefinition, Guid> repository,
        IStringLocalizer<SettingsResource> l,
        ISettingProvider settingProvider,
        IAuthorizationService authorizationService
        )
    {
        this.repository = repository;
        this.l = l;
        this.settingProvider = settingProvider;
        this.authorizationService = authorizationService;
        //TODO: Bu sekilde settingleri alip vt ile Code uzerinden kiyaslayip insert eden seeder yazalim
        //var settingDefinitions = _settingDefinitionManager.GetAll();
    }

    public virtual async Task<List<SettingGroupValueObject>> GetGroupedSettingDefinitionsAsync()
    {
        //Add Group 
        //  Add Sub Group
        //      Add SettingDefinition
        var result = new List<SettingGroupValueObject>();

        var settingDefinitions = await repository.GetListAsync();

        SettingGroupValueObject mainGroup = null;

        //MainGroupKey bilgisini gruplu şekilde alıyoruz.
        foreach (var group in settingDefinitions
            .OrderBy(o => o.Order)
            .GroupBy(g => new { g.MainGroupKey }))
        {
            mainGroup = new SettingGroupValueObject(
                group.Key.MainGroupKey,
                l[group.Key.MainGroupKey],
                new Dictionary<string, List<SettingDefinitionWithValue>>());

            //SubGrupları Group bazında filtreleyip SubGroupları Gruplu şekilde dönüyoruz.
            foreach (var subGroup in settingDefinitions
                .Where(a => a.MainGroupKey == group.Key.MainGroupKey)
                .OrderBy(o => o.Order)
                .GroupBy(g => new { g.SubGroupKey }))
            {
                //Her subgroupun altındaki itemler 
                foreach (var item in subGroup.ToList())
                {
                    if (!await authorizationService.IsGrantedAsync(item.RequiredPermissionName))
                    {
                        continue;
                    }

                    if (!mainGroup.GroupedSettingDefinitions.ContainsKey(subGroup.Key.SubGroupKey))
                    {
                        mainGroup.GroupedSettingDefinitions.Add(subGroup.Key.SubGroupKey, new List<SettingDefinitionWithValue>());
                    }

                    var value = await settingProvider.GetOrNullAsync(item.Code);
                    var itemWithValue = new SettingDefinitionWithValue(item, value);
                    mainGroup.GroupedSettingDefinitions[subGroup.Key.SubGroupKey].Add(itemWithValue);
                }
            }

            if (mainGroup.GroupedSettingDefinitions.Count() > 0)
            {
                result.Add(mainGroup);
            }
        }

        return result;
    }

    //private async Task<bool> CheckPermissionsAsync(List<string> permissions)
    //{
    //    //TODO: permisson tanimli degilse hata firlatma
    //    var results = new List<bool>();
    //    try
    //    {
    //        foreach (var item in permissions)
    //        {
    //            results.Add(await authorizationService.IsGrantedAsync(item));
    //        }
    //    }
    //    catch
    //    {
    //        results.Add(false);
    //    }

    //    return results.Any(a => a);
    //}
}