using Admin.NET.Core;
using Furion;
using Furion.DatabaseAccessor;
using Furion.DependencyInjection;
using Furion.DynamicApiController;
using Furion.FriendlyException;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Linq;

namespace Admin.NET.Application
{
    /// <summary>
    /// 枚举值服务
    /// </summary>
    [ApiDescriptionSettings(Name = "EnumData", Order = 100)]
    [AllowAnonymous]
    [Route("api")]
    public class SysEnumDataService : ISysEnumDataService, IDynamicApiController, ITransient
    {
        /// <summary>
        /// 通过枚举类型获取枚举值集合
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("sysEnumData/list")]
        public async Task<dynamic> GetEnumDataList([FromQuery] EnumDataInput input)
        {
            // 查找枚举
            var enumType = App.EffectiveTypes.FirstOrDefault(t => t.IsEnum && t.Name == input.EnumName);
            if (enumType == null)
                throw Oops.Oh(ErrorCode.D1502).StatusCode(405);

            // 获取枚举的Key和描述
            return await Task.Run(() =>
                   EnumUtil.GetEnumDescDictionary(enumType)
                   .Select(x => new EnumDataOutput
                   {
                       Code = x.Key,
                       Value = x.Value
                   }));
        }

        /// <summary>
        /// 通过枚举类型获取枚举值字符串集合
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("sysEnumData/getEnumDataListStrAsync")]
        public async Task<string> GetEnumDataListStrAsync([FromQuery] EnumDataInput input)
        {
            // 查找枚举
            var enumType = App.EffectiveTypes.FirstOrDefault(t => t.IsEnum && t.Name == input.EnumName);
            if (enumType == null)
                throw Oops.Oh(ErrorCode.D1502).StatusCode(405);

            // 获取枚举的Key和描述
            List<EnumDataOutput> retList = await Task.Run(() => EnumUtil.GetEnumDescDictionary(enumType)
                   .Select(x => new EnumDataOutput
                   {
                       Code = x.Key,
                       Value = x.Value
                   }).ToList());
            return string.Join(",", retList.Select(x => x.Value).ToList());
        }

        /// <summary>
        /// 通过枚举类型获取枚举值字符串集合
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("sysEnumData/getEnumDataListStr")]
        public string GetEnumDataListStr([FromQuery] EnumDataInput input)
        {
            // 查找枚举
            var enumType = App.EffectiveTypes.FirstOrDefault(t => t.IsEnum && t.Name == input.EnumName);
            if (enumType == null)
                throw Oops.Oh(ErrorCode.D1502).StatusCode(405);

            // 获取枚举的Key和描述
            List<EnumDataOutput> retList = EnumUtil.GetEnumDescDictionary(enumType)
                   .Select(x => new EnumDataOutput
                   {
                       Code = x.Key,
                       Value = x.Value
                   }).ToList();
            return string.Join(",", retList.Select(x => x.Value).ToList());
        }

        /// <summary>
        /// 通过实体字段类型获取相关集合（目前仅支持枚举类型）
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpGet("sysEnumData/listByFiled")]
        public async Task<dynamic> GetEnumDataListByField([FromQuery] QueryEnumDataInput input)
        {
            // 获取实体类型属性
            var entityType = Db.GetDbContext().Model.GetEntityTypes().FirstOrDefault(u => u.ClrType.Name == input.EntityName);
            if (entityType == null) throw Oops.Oh(ErrorCode.D1504);

            // 获取字段类型
            var fieldType = entityType.GetProperties().FirstOrDefault(p => p.Name == input.FieldName)?.ClrType;
            if (fieldType is not { IsEnum: true })
                throw Oops.Oh(ErrorCode.D1503);

            // 获取枚举的Key和描述
            return await Task.Run(() =>
                   EnumUtil.GetEnumDescDictionary(fieldType)
                   .Select(x => new EnumDataOutput
                   {
                       Code = x.Key,
                       Value = x.Value
                   }));
        }
    }
}