using Kean.Application.Command.ViewModels;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using OfficeOpenXml;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Kean.Presentation.Rest.Controllers
{
    /// <summary>
    /// 库存服务
    /// </summary>
    [ApiController, Route("api/stocks")]
    public class StocksController : ControllerBase
    {
        private readonly Application.Command.Interfaces.IStockService _stockCommandService; // 库存命令服务
        private readonly Application.Query.Interfaces.IStockService _stockQueryService; // 库存查询服务
        private readonly Application.Query.Interfaces.IWarehouseService _warehouseQueryService; // 库房查询服务
        private readonly Application.Query.Interfaces.IIdentityService _identityQueryService; // 身份查询服务

        /// <summary>
        /// 依赖注入
        /// </summary>
        public StocksController(
            Application.Command.Interfaces.IStockService stockCommandService,
            Application.Query.Interfaces.IStockService stockQueryService,
            Application.Query.Interfaces.IIdentityService identityQueryService,
            Application.Query.Interfaces.IWarehouseService warehouseQueryService)
        {
            _stockCommandService = stockCommandService;
            _stockQueryService = stockQueryService;
            _identityQueryService = identityQueryService;
            _warehouseQueryService = warehouseQueryService;
        }

        /// <summary>
        /// 获取库存列表
        /// </summary>
        /// <response code="200">成功</response>
        [HttpGet]
        [ProducesResponseType(200)]
        public async Task<IActionResult> GetList(
            [FromQuery] int[] area,
            [FromQuery] bool? pallet,
            [FromQuery] bool? palletized,
            [FromQuery] int[] category,
            [FromQuery] string code,
            [FromQuery] string name,
            [FromQuery] string batch,
            [FromQuery] string barcode,
            [FromQuery] string cell,
            [FromQuery] string qc,
            [FromQuery] string qualityState,
            [FromQuery] string materialAgeStatus,
            [FromQuery] DateTime? inboundTimeFrom,
            [FromQuery] DateTime? inboundTimeTo,
            [FromQuery] DateTime? manufacturingDateFrom,
            [FromQuery] DateTime? manufacturingDateTo,
            [FromQuery] DateTime? inventoryTimeFrom,
            [FromQuery] DateTime? inventoryTimeTo,
            [FromQuery] bool? overdue,
            [FromQuery] bool? enabled,
            [FromQuery] bool? excludeTask,
            [FromQuery] string sort,
            [FromQuery] int? offset,
            [FromQuery] int? limit,
            [FromQuery] string remark,
            [FromQuery] string supplier,
            [FromQuery] string laneway,
            [FromQuery] string workorderNo,
            [FromQuery] bool bQty,
            [FromQuery] string bill)
        {
            if (area.Length == 0)
            {
                area = null;
            }
            if (category.Length == 0)
            {
                category = null;
            }
            var items = await _stockQueryService.GetStockList(area, pallet, palletized, category, code, name, batch, barcode, cell, qc, inboundTimeFrom, inboundTimeTo, inventoryTimeFrom, inventoryTimeTo, overdue, enabled, excludeTask, sort, offset, limit, qualityState, materialAgeStatus, manufacturingDateFrom, manufacturingDateTo, remark, supplier, laneway, workorderNo, bill);

            decimal qtyCurrent = 0;
            decimal qtySum = 0;
            decimal transQtyCurrent = 0;
            decimal transQtySum = 0;

            if (bQty)
            {
                qtyCurrent = await _stockQueryService.GetStockQtySum(area, pallet, palletized, category, code, name, batch, barcode, cell, qc, inboundTimeFrom, inboundTimeTo, inventoryTimeFrom, inventoryTimeTo, overdue, enabled, excludeTask, sort, offset, limit, qualityState, materialAgeStatus, manufacturingDateFrom, manufacturingDateTo, remark, supplier, laneway, workorderNo, bill);
                transQtyCurrent = qtyCurrent;
            }
           
            if (offset.HasValue || limit.HasValue)
            {
                var total = await _stockQueryService.GetStockCount(area, pallet, palletized, category, code, name, batch, barcode, cell, qc, inboundTimeFrom, inboundTimeTo, inventoryTimeFrom, inventoryTimeTo, overdue, enabled, excludeTask, qualityState, materialAgeStatus, manufacturingDateFrom, manufacturingDateTo, remark, supplier, laneway, workorderNo, bill);

                if (bQty)
                {
                    qtySum = await _stockQueryService.GetStockQtySum(area, pallet, palletized, category, code, name, batch, barcode, cell, qc, inboundTimeFrom, inboundTimeTo, inventoryTimeFrom, inventoryTimeTo, overdue, enabled, excludeTask, null, null, null, qualityState, materialAgeStatus, manufacturingDateFrom, manufacturingDateTo, remark, supplier, laneway, workorderNo, bill);
                    transQtySum = qtySum;

                    Application.Query.ViewModels.Stock statistics = new Application.Query.ViewModels.Stock();
                    statistics.QualifiedNum = $"{qtyCurrent} / {qtySum}";
                    statistics.TransQty = $"{transQtyCurrent} / {transQtySum}";
                    statistics.Barcode = "";


                    items = items.Concat(new[]{ statistics});
                }


                return StatusCode(200, new {
                    items, 
                    total
                });
            }
            else
            {
                if (bQty)
                {
                    var statistics = new Application.Query.ViewModels.Stock();
                    statistics.QualifiedNum = $"{qtyCurrent} / {qtyCurrent}";
                    statistics.TransQty = $"{transQtyCurrent} / {transQtyCurrent}";
                    statistics.Barcode = "";

                    items = items.Concat(new[] { statistics });
                }


                return StatusCode(200, new { 
                    items, 
                    total = items.Count()
                });
            }
        }

        /// <summary>
        /// 导出库存列表
        /// </summary>
        /// <response code="200">成功</response>
        [HttpGet("excel")]
        [ProducesResponseType(200)]
        public async Task<IActionResult> Export(
            [FromQuery] int[] area,
            [FromQuery] bool? pallet,
            [FromQuery] bool? palletized,
            [FromQuery] int[] category,
            [FromQuery] string code,
            [FromQuery] string name,
            [FromQuery] string batch,
            [FromQuery] string barcode,
            [FromQuery] string cell,
            [FromQuery] string qc,
            [FromQuery] string qualityState,
            [FromQuery] string materialAgeStatus,
            [FromQuery] DateTime? inboundTimeFrom,
            [FromQuery] DateTime? inboundTimeTo,
            [FromQuery] DateTime? inventoryTimeFrom,
            [FromQuery] DateTime? inventoryTimeTo,
            [FromQuery] bool? overdue,
            [FromQuery] bool? enabled,
            [FromQuery] bool? excludeTask,
            [FromQuery] DateTime? manufacturingDateFrom,
            [FromQuery] DateTime? manufacturingDateTo,
            [FromQuery] string remark,
            [FromQuery] string supplier,
            [FromQuery] string laneway,
            [FromQuery] string workorderNo,
            [FromQuery] string bill)
        {
            if (area.Length == 0)
            {
                area = null;
            }
            if (category.Length == 0)
            {
                category = null;
            }
            using var package = new ExcelPackage();
            var worksheet = package.Workbook.Worksheets.Add("Sheet1");
            var column = 0;
            worksheet.Cells[1, ++column].Value = "托盘";
            worksheet.Cells[1, ++column].Value = "物料编码";
            worksheet.Cells[1, ++column].Value = "物料名称";
            worksheet.Cells[1, ++column].Value = "仓库";
            worksheet.Cells[1, ++column].Value = "货位";
            worksheet.Cells[1, ++column].Value = "膜卷码";
            worksheet.Cells[1, ++column].Value = "质量状态";
            worksheet.Cells[1, ++column].Value = "库存状态";
            worksheet.Cells[1, ++column].Value = "过账状态";
            worksheet.Cells[1, ++column].Value = "生产日期";
            worksheet.Cells[1, ++column].Value = "货龄(天)";
            worksheet.Cells[1, ++column].Value = "创建时间";
            worksheet.Cells[1, ++column].Value = "工单号";
            worksheet.Cells[1, ++column].Value = "数量";
            worksheet.Cells[1, ++column].Value = "单位";
            worksheet.Cells[1, ++column].Value = "备注";
            var index = 1;

            foreach (var item in await _stockQueryService.GetStockList(area, pallet, palletized, category, code, name, batch, barcode, cell, qc, inboundTimeFrom, inboundTimeTo, inventoryTimeFrom, inventoryTimeTo, overdue, enabled, excludeTask, null, null, null, qualityState, materialAgeStatus, manufacturingDateFrom, manufacturingDateTo, remark, supplier, laneway, workorderNo, bill))
            {
                index++;
                column = 0;
                worksheet.Cells[index, ++column].Value = item.Barcode;
                worksheet.Cells[index, ++column].Value = item.Code;
                worksheet.Cells[index, ++column].Value = item.Name;
                worksheet.Cells[index, ++column].Value = item.Warehouse;
                worksheet.Cells[index, ++column].Value = item.Cell;
                worksheet.Cells[index, ++column].Value = item.Bill;
                string qs = "";
                if (item.QualityState == "ok")
                {
                    qs = "合格";
                } else if (item.QualityState == "ng")
                {
                    qs = "NG";
                }
                else if (item.QualityState == "check")
                {
                    qs = "验证品";
                }
                worksheet.Cells[index, ++column].Value = qs;
                worksheet.Cells[index, ++column].Value = item.Enabled == true? "可用": "冻结";
                worksheet.Cells[index, ++column].Value = "";
                worksheet.Cells[index, ++column].Value = item.ManufacturingDate;
                worksheet.Cells[index, column].Style.Numberformat.Format = "yyyy-MM-dd HH:mm:ss";
                worksheet.Cells[index, ++column].Value = item.MaterialAge;
                worksheet.Cells[index, ++column].Value = item.InboundTime;
                worksheet.Cells[index, column].Style.Numberformat.Format = "yyyy-MM-dd HH:mm:ss";
                worksheet.Cells[index, ++column].Value = item.WorkorderNo;
                worksheet.Cells[index, ++column].Value = item.TransQty;
                worksheet.Cells[index, ++column].Value = item.TransUnit;
                worksheet.Cells[index, ++column].Value = item.Remark;
            }
            return File(package.GetAsByteArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        }

        /// <summary>
        /// 创建库动
        /// </summary>
        /// <response code="201">成功</response>
        /// <response code="405">非法操作</response>
        /// <response code="422">请求内容错误</response>
        [HttpPost]
        [ProducesResponseType(201)]
        [ProducesResponseType(405)]
        [ProducesResponseType(422)]
        public async Task<IActionResult> Operate(
            [FromMember] string operation,
            [FromMember] Stock stock,
            [FromMember] bool? full,
            [FromMember] int? destination,
            [FromMiddleware] int session)
        {
            stock.Operator = session;

            var user = await _identityQueryService.GetUser(session);
            try
            {
                JObject jObj = JObject.Parse(stock.Tag);
                JToken jPostUser = jObj.SelectToken("postUser");
                if (jPostUser == null)
                {
                    jObj.Add("postUser", user.Name);
                }
                else
                {
                    jObj["postUser"] = user.Name;
                }

                stock.Tag = JsonConvert.SerializeObject(jObj);
            }
            catch { }

            Failure failure;
            (string Device, Failure Failure) commandResult;
            commandResult.Device = "";
            switch (operation)
            {
                case "palletIn":
                    failure = await _stockCommandService.PalletIn(stock, full, destination);
                    break;
                case "scanInbound":
                    commandResult = await _stockCommandService.ScanInbound(stock, full, destination);
                    failure = commandResult.Failure;
                    break;
                case "inbound":
                    failure = await _stockCommandService.Inbound(stock, full, destination);
                    break;
                case "outbound":
                    failure = await _stockCommandService.Outbound(stock);
                    break;
                case "update":
                    failure = await _stockCommandService.Update(stock);
                    break;
                case "combine":
                    failure = await _stockCommandService.Combine(stock, full, destination);
                    break;
                case "inventory":
                    failure = await _stockCommandService.Inventory(stock);
                    break;
                case "applyin":

                    //var user = await _identityQueryService.GetUser(session);
                    foreach (var r in stock.Lines)
                    {
                        r.Postuser = user.Name;
                    }


                    commandResult = await _stockCommandService.ApplyIn(stock, full, destination);
                    failure = commandResult.Failure;
                    break;
                default:
                    return StatusCode(405);
            }
            if (failure == null)
            {
                return StatusCode(201, commandResult.Device);
            }
            else
            {
                return StatusCode(422, failure);
            }
        }

        /// <summary>
        /// 获取安全库存列表
        /// </summary>
        /// <response code="200">成功</response>
        [HttpGet("safeties")]
        [ProducesResponseType(200)]
        public async Task<IActionResult> GetSafetyList(
            [FromQuery] string type,
            [FromQuery] int[] warehouse,
            [FromQuery] int[] category,
            [FromQuery] string code,
            [FromQuery] string name,
            [FromQuery] string sort,
            [FromQuery] int? offset,
            [FromQuery] int? limit)
        {
            if (warehouse.Length == 0)
            {
                warehouse = null;
            }
            if (category.Length == 0)
            {
                category = null;
            }
            var items = await _stockQueryService.GetSafetyList(type, warehouse, category, code, name, sort, offset, limit);
            if (offset.HasValue || limit.HasValue)
            {
                var total = await _stockQueryService.GetSafetyCount(type, warehouse, category, code, name);
                return StatusCode(200, new { items, total });
            }
            else
            {
                return StatusCode(200, new { items, total = items.Count() });
            }
        }

        /// <summary>
        /// 导出安全库存列表
        /// </summary>
        /// <response code="200">成功</response>
        [HttpGet("safeties/excel")]
        [ProducesResponseType(200)]
        public async Task<IActionResult> ExportSafety(
            [FromQuery] string type,
            [FromQuery] int[] warehouse,
            [FromQuery] int[] category,
            [FromQuery] string code,
            [FromQuery] string name)
        {
            if (warehouse.Length == 0)
            {
                warehouse = null;
            }
            if (category.Length == 0)
            {
                category = null;
            }
            using var package = new ExcelPackage();
            var worksheet = package.Workbook.Worksheets.Add("Sheet1");
            var column = 0;
            worksheet.Cells[1, ++column].Value = "物料号";
            worksheet.Cells[1, ++column].Value = "物料名";
            worksheet.Cells[1, ++column].Value = "规格型号";
            worksheet.Cells[1, ++column].Value = "数量";
            worksheet.Cells[1, ++column].Value = "单位";
            worksheet.Cells[1, ++column].Value = "安全库存";
            var warehouseName = (await _warehouseQueryService.GetWarehouseList(null, null, null)).ToDictionary(w => w.Id.ToString(), w => w.Name);
            var index = 1;
            foreach (var item in await _stockQueryService.GetSafetyList(type, warehouse, category, code, name, null, null, null))
            {
                index++;
                column = 0;
                worksheet.Cells[index, ++column].Value = item.Code;
                worksheet.Cells[index, ++column].Value = item.Name;
                worksheet.Cells[index, ++column].Value = item.Model;
                worksheet.Cells[index, ++column].Value = item.Quantity;
                worksheet.Cells[index, ++column].Value = item.Unit;
                worksheet.Cells[index, ++column].Value = $"{item.LowerLimit} ~ {item.UpperLimit} （ {string.Join(" + ", item.Warehouse.Split(',').Select(i => warehouseName.ContainsKey(i) ? warehouseName[i] : "?"))} ）";
            }
            return File(package.GetAsByteArray(), "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
        }

        ///////////////////////////////////////////////////////
        /// <summary>
        /// 获取批次码列表
        /// </summary>
        /// <response code="200">成功</response>
        [HttpGet("batch")]
        [ProducesResponseType(200)]
        public async Task<IActionResult> GetBatchList([FromQuery] int? material)
        {
            var items = await _stockQueryService.GetBatchList(material);
            return StatusCode(200, new
            {
                items
            });
        }

        /// <summary>
        /// 冻结
        /// </summary>
        /// <response code="201">成功</response>
        /// <response code="405">非法操作</response>
        /// <response code="422">请求内容错误</response>
        [HttpPost("setQcStatus")]
        [ProducesResponseType(201)]
        [ProducesResponseType(405)]
        [ProducesResponseType(422)]
        public async Task<IActionResult> SetQcStatus(
            [FromMember] string operation,
            [FromMember] int? code,
            [FromMember] string batch,
            [FromMember] DateTime? mfgFrom,
            [FromMember] DateTime? mfgTo,
            [FromMember] DateTime? inboundTimeFrom,
            [FromMember] DateTime? inboundTimeTo,
            [FromMember] string barcode,
            [FromMember] string supplier,
            [FromMember] string[] barcodes,
            [FromMiddleware] int session)
        {
            Failure failure;
            (int barcodeCount, Failure Failure) commandResult;
            commandResult.barcodeCount = 0;

            commandResult = await _stockCommandService.SetQcStatus(session, operation, code, batch, mfgFrom, mfgTo, inboundTimeFrom, inboundTimeTo, barcode, supplier, barcodes);
            failure = commandResult.Failure;

            if (failure == null)
            {
                return StatusCode(201, commandResult.barcodeCount);
            }
            else
            {
                return StatusCode(422, failure);
            }
        }
    }
}