using Atomx.Common.Constants;
using Atomx.Common.Entities;
using Microsoft.EntityFrameworkCore;

namespace Atomx.Data.CacheServices
{
    public partial interface ICacheService
    {
        /// <summary>
        /// 重新加载角色
        /// </summary>
        /// <returns></returns>
        Task ReloadRoleAsync();

        /// <summary>
        /// 获取缓存
        /// </summary>
        /// <param name="reload"></param>
        /// <returns></returns>
        Task<List<Role>> GetRolesAsync(bool? reload = false);

        /// <summary>
        /// 通过ID获取角色
        /// </summary>
        /// <param name="roleId"></param>
        /// <param name="reload"></param>
        /// <returns></returns>
        Task<Role?> GetRoleById(long roleId, bool? reload = false);

        /// <summary>
        /// 获取所有的权限点
        /// </summary>
        /// <param name="reload"></param>
        /// <returns></returns>
        Task<List<Permission>> GetAllPermissions(bool? reload = false);
    }


    public partial class CacheService : ICacheService
    {
        /// <summary>
        /// 重新加载角色
        /// </summary>
        /// <returns></returns>
        public async Task ReloadRoleAsync()
        {

            var data = _dbContext.Roles.Where(p => p.Enabled).ToList();
            if (data.Any())
            {
                await SetCacheAsync(CacheKeys.Roles, data);
            }
        }

        // <summary>
        /// 获取缓存
        /// </summary>
        /// <returns></returns>
        public async Task<List<Role>> GetRolesAsync(bool? reload = false)
        {
            bool reloadData = reload.HasValue ? reload.Value : false;

            var cacheData = await GetCacheAsync<List<Role>>(CacheKeys.Roles);
            if (cacheData == null || reloadData)
            {
                var roles = (from p in _dbContext.Roles
                             where p.Enabled
                             select p).ToList();
                await SetCacheAsync(CacheKeys.Roles, roles);
                return roles;

            }
            return cacheData;
        }

        /// <summary>
        /// 通过ID获取角色
        /// </summary>
        /// <param name="roleId"></param>
        /// <param name="reload"></param>
        /// <returns></returns>
        public async Task<Role?> GetRoleById(long roleId, bool? reload = false)
        {
            var cacheData = await GetRolesAsync(reload);
            return cacheData.Where(p => p.Id == roleId).SingleOrDefault();
        }


        /// <summary>
        /// 获取所有的权限点
        /// </summary>
        /// <param name="reload"></param>
        /// <returns></returns>
       public async Task<List<Permission>> GetAllPermissions(bool? reload = false)
        {
            bool reloadData = reload.HasValue ? reload.Value : false;

            var cacheData = await GetCacheAsync<List<Permission>>(CacheKeys.Permissions);
            if (cacheData == null || reloadData)
            {
                var permissions = await (from p in _dbContext.Permissions
                             select p).ToListAsync();
                await SetCacheAsync(CacheKeys.Permissions, permissions);
                return permissions;

            }
            return cacheData;
        }
    }
}