using EntrustSettle.Common;
using EntrustSettle.Controllers;
using EntrustSettle.IServices;
using EntrustSettle.Model;
using EntrustSettle.Model.Dtos;
using EntrustSettle.Model.Models;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using RestSharp;

namespace EntrustSettle.Api.Controllers
{
    /// <summary>
    /// 对外提供的委托结算相关接口
    /// </summary>
    [AllowAnonymous]
    public class OpenController : BaseApiController
    {
        private readonly IOrderService orderService;
        private readonly IAnnexService annexService;
        private readonly IOrderAnnexService orderAnnexService;
        private readonly ILogger<OpenController> logger;
        private readonly IOrderHistoryService orderHistoryService;
        private readonly IQueueService queueService;
        private readonly IOrderFeeService orderFeeService;
        public OpenController(IOrderService orderService,
                              ILogger<OpenController> logger,
                              IOrderHistoryService orderHistoryService,
                              IQueueService queueService,
                              IOrderFeeService orderFeeService,
                              IAnnexService annexService,
                              IOrderAnnexService orderAnnexService)
        {
            this.orderService = orderService;
            this.logger = logger;
            this.orderHistoryService = orderHistoryService;
            this.queueService = queueService;
            this.orderFeeService = orderFeeService;
            this.annexService = annexService;
            this.orderAnnexService = orderAnnexService;
        }

        /// <summary>
        /// 下单
        /// </summary>
        [HttpPost]
        [ApiUser(ApiCode = "EntrustSettle")]
        public async Task<MessageModel<List<OrderSubmitResultDto>>> OrderSubmit(OrderSubmitDto inputDto)
        {
            var result = await App.GetService<OrderController>().Submit(inputDto);
            return result;
        }

        /// <summary>
        /// 附件上传
        /// </summary>
        /// <param name="file">附件文件</param>
        /// <param name="fileType">文件类型</param>
        [HttpPost]
        [ApiUser(ApiCode = "EntrustSettle")]
        public async Task<MessageModel<long>> AnnexUpload([FromForm] IFormFile file, [FromForm] FileTypeEnum fileType)
        {
            var result = await App.GetService<AnnexController>().Upload(file, fileType);
            return result;
        }

        /// <summary>
        /// 反馈信息（为订单追加附件或信息）
        /// </summary>
        /// <returns></returns>
        [HttpPost]
        [ApiUser(ApiCode = "EntrustSettle")]
        public async Task<MessageModel> BindAnnexOrInfo([FromBody] BindAnnexOrInfoDto bindDto)
        {
            var result = await App.GetService<OrderController>().BindAnnexOrInfo(bindDto);
            return result;
        }

        /// <summary>
        /// 获取附件
        /// </summary>
        /// <param name="annexId">文件记录主键</param>
        [HttpGet]
        [ApiUser(ApiCode = "EntrustSettle")]
        public async Task<IActionResult> AnnexDownload([FromQuery] long annexId)
        {
            var result = await App.GetService<AnnexController>().DownloadFile(annexId);
            return result;
        }

        /// <summary>
        /// 海运达状态回推接口
        /// </summary>
        [HttpPost]
        [ApiUser(ApiCode = "PushOrderStatus")]
        public async Task<MessageModel> PushOrderStatus([FromBody] HydQueryResultDto input)
        {
            var orderList = await orderService.Query(x => x.Bsno == input.id);
            if (orderList == null || orderList.Count == 0)
            {
                string msg = $"订单Id[{input.id}]接收到回推后未查询到本地订单";
                logger.LogInformation(msg);
                return FailedMsg(msg);
            }
            if (orderList.Count > 1)
            {
                string msg = $"订单Id[{input.id}]接收到回推后根据Id查询到多个本地订单：{string.Join(',', orderList.Select(x => x.Mblno))}";
                logger.LogInformation(msg);
                return FailedMsg(msg);
            }
            var order = orderList[0];

            // 保存往来单据
            if (input.feedbackList != null && input.feedbackList.Count > 0)
            {
                var outerFileIdList = input.feedbackList.Select(x => x.id).ToList();

                var existsOuterFileIdList = await orderAnnexService.AsQueryable()
                                                            .LeftJoin<Annex>((o, a) => o.AnnexId == a.Id)
                                                            .Where((o, a) => o.OrderId == order.Id && outerFileIdList.Contains((long)a.OuterFileId))
                                                            .Select((o, a) => a.OuterFileId)
                                                            .ToListAsync();
                foreach (var item in input.feedbackList)
                {
                    // 如果文件不是外部推送的，不处理 
                    if (item.sendType != 1)
                        continue;

                    // 如果文件信息已经存在，不处理
                    if (existsOuterFileIdList.Contains(item.id))
                        continue;

                    if (!string.IsNullOrEmpty(item.fileUrl))
                    {
                        // 检查文件保存目录
                        var dir = Path.Combine(App.WebHostEnvironment.WebRootPath, "files");
                        if (!Directory.Exists(dir))
                        {
                            Directory.CreateDirectory(dir);
                        }

                        // 文件名
                        var newFileName = Guid.NewGuid().ToString("N") + Path.GetExtension(item.fileName);

                        // 相对路径
                        var relativePath = Path.Combine("files", newFileName);

                        // 完整路径
                        var fullPath = Path.Combine(dir, newFileName);

                        // 保存附件信息
                        var annex = new Annex()
                        {
                            Type = 5,

                            OuterFileId = item.id,
                            Name = item.fileName,
                            Remark = item.remark,
                            BusinessTime = item.createTime,

                            Path = relativePath
                        };
                        await annexService.Add(annex);

                        var orderAnnex = new OrderAnnex()
                        {
                            OrderId = order.Id,
                            AnnexId = annex.Id
                        };
                        await orderAnnexService.Add(orderAnnex);

                        var restClient = new RestClient(item.fileUrl);
                        var request = new RestRequest();
                        using var stream = await restClient.DownloadStreamAsync(request);
                        using FileStream fileStream = new FileStream(fullPath, FileMode.Create);
                        await stream.CopyToAsync(fileStream);
                    }
                }
            }

            // 将更新后的状态及费用推送到消息队列
            if (AppSettings.app("RabbitMQ", "Enabled").ObjToBool())
            {
                string msg = $"Id：[{order.Id}]，提单号[{order.Mblno}]，自动更新状态后推送队列";
                _ = Task.Run(() =>
                {
                    try
                    {
                        StatusPushDto pushDto = new()
                        {
                            OrderId = order.Id,
                            Mblno = order.Mblno,
                            MessageType = 1,
                            MessageDesc = "状态更新推送",
                            Remark = "",
                            Status = input.status,
                            StatusDesc = input.status switch
                            {
                                0 => "已下单",
                                1 => "已接单",
                                2 => "待缴费",
                                3 => "已缴费",
                                4 => "已完结",
                                _ => "未知状态",
                            }
                        };
                        var feeList = orderFeeService.AsQueryable().Where(x => x.OrderId == order.Id).ToList();
                        if (feeList.Count > 0)
                        {
                            pushDto.FeeList = feeList.Select(x => new StatusPushDto.FeeDto()
                            {
                                FeeId = x.Id,
                                FeeName = x.Name,
                                FeeAmount = x.Amount
                            }).ToList();
                        }
                        var annexList = orderAnnexService.AsQueryable()
                                                       .LeftJoin<Annex>((o, a) => o.AnnexId == a.Id)
                                                       .Where((o, a) => o.OrderId == order.Id && a.Type == 5)
                                                       .Select((o, a) => a)
                                                       .ToList();
                        if (annexList.Count > 0)
                        {
                            pushDto.FeebackAnnexList = annexList.Select(x => new StatusPushDto.FeebackAnnex()
                            {
                                Id = x.Id,
                                BusinessTime = x.BusinessTime,
                                FileName = x.Name,
                                Remark = x.Remark
                            }).ToList();
                        }
                        var json = JsonConvert.SerializeObject(pushDto, Formatting.Indented, new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore });
                        queueService.Push(msg, order.CompanyId, json);
                    }
                    catch (Exception ex)
                    {
                        logger.LogError(ex, $"订单Id[{input.id}]，提单号[{order.Mblno}]接收到状态然后推送时发生未知异常：{msg}");
                    }
                });
            }

            if (order.Status != input.status)
            {
                order.Status = input.status;
                var updateSuccess = await orderService.Update(order, x => new { x.Status });
                logger.LogInformation($"订单Id[{input.id}]，提单号[{order.Mblno}]状态更新{(updateSuccess ? "成功" : "失败")}，status:{input.status}");

                // 记录订单状态变更历史
                await orderHistoryService.Add(new OrderHistory()
                {
                    Pid = order.Id,
                    Status = input.status,
                    StatusTime = DateTime.Now,
                    CreateBy = "系统",
                    Remark = "（状态接收）"
                });

                return SuccessMsg($"订单Id[{input.id}]，提单号[{order.Mblno}]状态更新成功");
            }
            else
            {
                string msg = $"订单Id[{input.id}]，提单号[{order.Mblno}]状态不变";
                logger.LogInformation(msg);
                return SuccessMsg(msg);
            }
        }
    }
}