using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Common;
using CommonInfrastructure;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using UserDomain.Entity;
using UserService.Notices;
using UserService.Notices.Param;

namespace UserApi.Notices
{
    [ApiController, Route("api/[controller]")]
    [Authorize]
    public class NoticeController : BaseController
    {
        private readonly INoticeService _noticeService;

        public NoticeController(INoticeService noticeService)
        {
            _noticeService = noticeService;
        }

        /// <summary>
        /// 获取系统公告列表（分页）
        /// </summary>
        [HttpPost("list")]
        public async Task<PageResponse<NoticeDto>> GetNoticeList(GetNoticeListParam param)
        {
            var result = await _noticeService.GetList(param);
            var list = result.list ?? new List<Notice>();
            var dtos = list.Select(n => new NoticeDto
            {
                Id = n.Id,
                Title = n.Title,
                Content = n.Content,
                Recommend = n.Recommend,
                TopImage = n.TopImage,
                ContentImages = n.ContentImages,
                CreateTime = n.CreateTime
            });
            return this.ToPageResult(dtos, (int)result.count);
        }

        /// <summary>
        /// 根据ID获取公告详情
        /// </summary>
        [HttpGet("get")]
        [AllowAnonymous]
        public async Task<BaseResponse<NoticeDto>> GetNotice(string id)
        {
            var result = await _noticeService.Get(id);
            if (result == null)
            {
                return this.ToFailResult<NoticeDto>("公告不存在");
            }

            var dto = new NoticeDto
            {
                Id = result.Id,
                Title = result.Title,
                Content = result.Content,
                Recommend = result.Recommend,
                TopImage = result.TopImage,
                ContentImages = result.ContentImages,
                CreateTime = result.CreateTime
            };
            return this.ToResult(dto);
        }

        /// <summary>
        /// 获取一个最新的公告
        /// </summary>
        [HttpGet("get/newone")]
        [AllowAnonymous]
        public async Task<BaseResponse<NoticeDto>> GetNewOne()
        {
            var result = await _noticeService.GetNewOne();
            if (result == null)
            {
                return this.ToFailResult<NoticeDto>("暂无公告");
            }

            var dto = new NoticeDto
            {
                Id = result.Id,
                Title = result.Title,
                Content = result.Content,
                Recommend = result.Recommend,
                TopImage = result.TopImage,
                ContentImages = result.ContentImages,
                CreateTime = result.CreateTime
            };
            return this.ToResult(dto);
        }
    }

    public class NoticeDto
    {
        public string Id { get; set; }

        public string Title { get; set; }

        public string Content { get; set; }

        public string Recommend { get; set; }

        public string TopImage { get; set; }

        public List<string> ContentImages { get; set; }

        public long CreateTime { get; set; }
    }
}