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

namespace SZUAbsolventenverein.Module.AdminModules.Services
{
    public class ServerAdminModulesService : IAdminModulesService
    {
        private readonly IAdminModulesRepository _AdminModulesRepository;
        private readonly IUserPermissions _userPermissions;
        private readonly IRoleRepository _roleRepository;
        private readonly IUserRepository _userRepository;
        private readonly IUserRoleRepository _userRoleRepository;
        private readonly ILogManager _logger;
        private readonly IHttpContextAccessor _accessor;
        private readonly Alias _alias;

        public ServerAdminModulesService(IAdminModulesRepository AdminModulesRepository, IUserPermissions userPermissions, IRoleRepository roleRepository, IUserRepository userRepository, IUserRoleRepository userRoleRepository, ITenantManager tenantManager, ILogManager logger, IHttpContextAccessor accessor)
        {
            _AdminModulesRepository = AdminModulesRepository;
            _userPermissions = userPermissions;
            _roleRepository = roleRepository;
            _userRepository = userRepository;   
            _userRoleRepository = userRoleRepository;
            _logger = logger;
            _accessor = accessor;
            _alias = tenantManager.GetAlias();
        }

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

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

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

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

        public Task DeleteAdminModulesAsync(int AdminModulesId, int ModuleId)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, ModuleId, PermissionNames.Edit))
            {
                _AdminModulesRepository.DeleteAdminModules(AdminModulesId);
                _logger.Log(LogLevel.Information, this, LogFunction.Delete, "AdminModules Deleted {AdminModulesId}", AdminModulesId);
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized AdminModules Delete Attempt {AdminModulesId} {ModuleId}", AdminModulesId, ModuleId);
            }
            return Task.CompletedTask;
        }

        public Task<int> GetUsercountInRole(EmailFields EmailFields)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, EmailFields.ModuleId, PermissionNames.View))
            {
                return Task.FromResult(_userRoleRepository.GetUserRoles(EmailFields.Role.Name, _alias.SiteId).Where(ur => ur.Role == EmailFields.Role).Select(ur => ur.UserId).Distinct().Count());
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized AdminModules Get Roles Attempt {AdminModulesId} {ModuleId}", EmailFields.AdminModulesId, EmailFields.ModuleId);
                return null;
            }
        }

        public Task<EmailFields> SendMassNotification(EmailFields EmailFields)
        {
            if (_userPermissions.IsAuthorized(_accessor.HttpContext.User, _alias.SiteId, EntityNames.Module, EmailFields.ModuleId, PermissionNames.View))
            {
                _userRoleRepository.GetUserRoles(_accessor.HttpContext.User.UserId(), _alias.SiteId).Where(ur => ur.Role == EmailFields.Role).Select(ur => ur.UserId);
                return null;
            }
            else
            {
                _logger.Log(LogLevel.Error, this, LogFunction.Security, "Unauthorized AdminModules Get Roles Attempt {AdminModulesId} {ModuleId}", EmailFields.AdminModulesId, EmailFields.ModuleId);
                return null;
            }
        }
    }
}