using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Oqtane.Enums;
using Oqtane.Infrastructure;
using Oqtane.Models;
using Oqtane.Security;
using Oqtane.Shared;
using SZUAbsolventenverein.Module.PremiumArea.Repository;

namespace SZUAbsolventenverein.Module.PremiumArea.Services
{
    public class ServerPremiumAreaService : IPremiumAreaService
    {
        private readonly IPremiumAreaRepository _PremiumAreaRepository;
        private readonly IUserPermissions _userPermissions;
        private readonly ILogManager _logger;
        private readonly IHttpContextAccessor _accessor;
        private readonly Alias _alias;

        public ServerPremiumAreaService(IPremiumAreaRepository PremiumAreaRepository, IUserPermissions userPermissions, ITenantManager tenantManager, ILogManager logger, IHttpContextAccessor accessor)
        {
            _PremiumAreaRepository = PremiumAreaRepository;
            _userPermissions = userPermissions;
            _logger = logger;
            _accessor = accessor;
            _alias = tenantManager.GetAlias();
        }

        public Task<List<Models.PremiumArea>> GetPremiumAreasAsync(int ModuleId)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, ModuleId, PermissionNames.View))
            {
                return Task.FromResult(_PremiumAreaRepository.GetPremiumAreas(ModuleId).ToList());
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized PremiumArea Get Attempt {ModuleId}", ModuleId);
                return null;
            }
        }

        public Task<Models.PremiumArea> GetPremiumAreaAsync(int PremiumAreaId, int ModuleId)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, ModuleId, PermissionNames.View))
            {
                return Task.FromResult(_PremiumAreaRepository.GetPremiumArea(PremiumAreaId));
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized PremiumArea Get Attempt {PremiumAreaId} {ModuleId}", PremiumAreaId, ModuleId);
                return null;
            }
        }

        public Task<Models.PremiumArea> AddPremiumAreaAsync(Models.PremiumArea PremiumArea)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, PremiumArea.ModuleId, PermissionNames.Edit))
            {
                PremiumArea = _PremiumAreaRepository.AddPremiumArea(PremiumArea);
                _logger.Log(LogLevel.Information, this, LogFunction.Create, "PremiumArea Added {PremiumArea}", PremiumArea);
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized PremiumArea Add Attempt {PremiumArea}", PremiumArea);
                PremiumArea = null;
            }
            return Task.FromResult(PremiumArea);
        }

        public Task<Models.PremiumArea> UpdatePremiumAreaAsync(Models.PremiumArea PremiumArea)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, PremiumArea.ModuleId, PermissionNames.Edit))
            {
                PremiumArea = _PremiumAreaRepository.UpdatePremiumArea(PremiumArea);
                _logger.Log(LogLevel.Information, this, LogFunction.Update, "PremiumArea Updated {PremiumArea}", PremiumArea);
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized PremiumArea Update Attempt {PremiumArea}", PremiumArea);
                PremiumArea = null;
            }
            return Task.FromResult(PremiumArea);
        }

        public Task DeletePremiumAreaAsync(int PremiumAreaId, int ModuleId)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, ModuleId, PermissionNames.Edit))
            {
                _PremiumAreaRepository.DeletePremiumArea(PremiumAreaId);
                _logger.Log(LogLevel.Information, this, LogFunction.Delete, "PremiumArea Deleted {PremiumAreaId}", PremiumAreaId);
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized PremiumArea Delete Attempt {PremiumAreaId} {ModuleId}", PremiumAreaId, ModuleId);
            }
            return Task.CompletedTask;
        }
    }
}