using Magicodes.ExporterAndImporter.Core.Extension;
using Magicodes.ExporterAndImporter.Excel;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Http.HttpResults;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Storage;
using Microsoft.Extensions.DependencyInjection;
using Omu.ValueInjecter;
using System.Data;
using System.Data.Common;
using System.Linq.Expressions;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using TaskManager.Contracts.Dtos;
using TaskManager.Controllers;
using TaskManager.Entity;
using TaskManager.EntityFramework;
using TaskManager.EntityFramework.Repository;
using Wood.Util.Filters;

namespace TaskManager.Controllers
{
    //[ApiController]
    //[Route("api/[controller]")]
    public class CheryRecurringJobOutPageController<T, ToutputDetial> : RecurringJobBaseController where T : CherryReadBaseEntity, new() where ToutputDetial : CherryReadBaseEntityDto
    {
        protected readonly IRepository<T> _repository;
        public CheryRecurringJobOutPageController(HttpClient httpClient, JobDbContext jobDbContext, LogController log, IRepository<T> repository) : base(httpClient, jobDbContext, log)
        {
            _repository = repository;
        }
        protected virtual async Task ConfirmDataInsertAsync(List<T> plist,JobDbContext dbContext, DbTransaction dbTransaction)
        { 


        }
        private async Task InsertDataAsync(List<T> list)
        {
            if (list.Any())
            {
                using (var transaction = await _jobDbContext.Database.BeginTransactionAsync())
                {
                    var tran = transaction.GetDbTransaction();
                    try
                    {
                        _jobDbContext.BulkInsert(list);
                        await ConfirmDataInsertAsync(list, _jobDbContext, tran);

                        // 提交事务
                        await transaction.CommitAsync();
                    }
                    catch (Exception ex)
                    {
                        await transaction.RollbackAsync();
                        new JsonResult(new { Code = 400, Message = ex.Message });
                    }
                }
            }

        }
        [NonAction]
        public async Task<List<ToutputDetial>> FetchAllDataAsync(string inputdate)
        {
            var allData = new List<ToutputDetial>();
            int totalItems = 0;
            int pageSize = 0;
            int currentPage = 1;
            string date = !string.IsNullOrEmpty(inputdate) ? inputdate : DateTime.Now.ToString("yyyy-MM-dd");

            var readedcount = _jobDbContext.Set<T>().Where(p => p.RequestDate == inputdate).Count();
            if (readedcount == 0)//第一次请求用false,接口人胡启名要求
            {
                PagedResponse<ToutputDetial> firstResponse = await GetPageAsync(new PAGE_DTO() { Date = date, IsForce = false});

                if (firstResponse == null || firstResponse.Code != 200)
                {
                    await _logger.AddError("首次请求失败，无法获取分页信息。", TaskName);
                    return allData;
                }
                if (firstResponse.Data.Total == "0")
                {
                    await _logger.AddInfo("首次请求失败，Total为0是否已经全部读取过。", TaskName);
                    return allData;
                }


                if (readedcount != int.Parse(firstResponse.Data.Total))//记录数不相等
                {
                    var ids = _jobDbContext.Set<T>().Where(p => p.RequestDate == inputdate).Select(p => p.Id).ToList();//已经同步的ID
                    totalItems = int.Parse(firstResponse.Data.Total);
                    pageSize = int.Parse(firstResponse.Data.PageSize);
                    List<T> pagefirstList = new List<T>();
                    if (readedcount > 0)
                    {
                        var listrows = firstResponse.Data.Rows.Where(p => !ids.Contains(p.Id));
                        foreach (var itm in firstResponse.Data.Rows)
                        {
                            T entity = new T();
                            entity.InjectFrom(itm);
                            entity.CreationTime = DateTime.Now;
                            pagefirstList.Add(entity);
                            allData.Add(itm);
                        }
                    }
                    else
                    {

                        foreach (var itm in firstResponse.Data.Rows)
                        {
                            T entity = new T();
                            entity.InjectFrom(itm);
                            entity.CreationTime = DateTime.Now;
                            pagefirstList.Add(entity);
                            allData.Add(itm);
                        }
                    }

                    if (pagefirstList.Any())
                    {
                        await InsertDataAsync(pagefirstList);
                    }


                    // 计算总页数
                    int totalPages = (int)Math.Ceiling((double)totalItems / pageSize);
                    //Console.WriteLine($"总共需要请求 {totalPages} 页数据");

                    // 循环请求剩余页面
                    for (currentPage = 2; currentPage <= totalPages; currentPage++)
                    {
                        PAGE_DTO pageinput = new PAGE_DTO() { Date = date, PageNum = currentPage, IsForce = false };
                        Console.WriteLine($"正在请求第 {currentPage} 页...");
                        PagedResponse<ToutputDetial> pageResponse = await GetPageAsync(pageinput);
                        if (pageResponse?.Data.Rows != null && pageResponse.Data.Rows.Count > 0)
                        {
                            List<T> pageList = new List<T>();
                            if (readedcount > 0)
                            {
                                var listrows = pageResponse.Data.Rows.Where(p => !ids.Contains(p.Id));
                                foreach (var itm in pageResponse.Data.Rows)
                                {
                                    T entity = new T();
                                    entity.InjectFrom(itm);
                                    entity.CreationTime = DateTime.Now;
                                    pageList.Add(entity);
                                    allData.Add(itm);
                                }
                            }
                            else
                            {
                                foreach (var itm in pageResponse.Data.Rows)
                                {
                                    T entity = new T();
                                    entity.InjectFrom(itm);
                                    entity.CreationTime = DateTime.Now;
                                    pageList.Add(entity);
                                    allData.Add(itm);
                                }
                            }
                            if (pageList.Any())
                            {
                              await  InsertDataAsync(pageList);
                            }   
                        }
                        else
                        {
                            await _logger.AddInfo($"第 {currentPage} 页未返回数据", TaskName);

                        }

                        // 简单的请求间隔，避免过于频繁
                        await Task.Delay(200);
                    }
                    await _logger.AddInfo($"所有数据获取完成，总共获取了 {allData.Count} 条记录", TaskName);
                }
            }
            else
            {

                PagedResponse<ToutputDetial> firstResponse = await GetPageAsync(new PAGE_DTO() { Date = date, IsForce = true });
                if (firstResponse == null || firstResponse.Code != 200)
                {
                    await _logger.AddInfo("首次请求失败，无法获取分页信息。", TaskName);
                    return allData;
                }
                if (firstResponse.Data.Total == "0")
                {
                    await _logger.AddError("首次请求失败，Total为0是否已经全部读取过。", TaskName);
                    return allData;

                }
                if (readedcount != int.Parse(firstResponse.Data.Total))//记录数不相等
                {
                    var ids = _jobDbContext.Set<T>().Where(p => p.RequestDate == inputdate).Select(p => p.Id).ToList();//已经同步的ID
                    totalItems = int.Parse(firstResponse.Data.Total);
                    pageSize = int.Parse(firstResponse.Data.PageSize);
                    List<T> pagefirstList = new List<T>();
                    if (readedcount > 0)
                    {
                        var listrows = firstResponse.Data.Rows.Where(p => !ids.Contains(p.Id));
                        foreach (var itm in firstResponse.Data.Rows)
                        {
                            T entity = new T();
                            entity.InjectFrom(itm);
                            entity.CreationTime = DateTime.Now;
                            pagefirstList.Add(entity);
                            allData.Add(itm);
                        }
                    }
                    else
                    {
                        foreach (var itm in firstResponse.Data.Rows)
                        {
                            T entity = new T();
                            entity.InjectFrom(itm);
                            entity.CreationTime = DateTime.Now;
                            pagefirstList.Add(entity);
                            allData.Add(itm);
                        }
                    }
                    if (pagefirstList.Any())
                    {
                        await InsertDataAsync(pagefirstList);
                    }
                    //Console.WriteLine($"总记录数: {totalItems}, 每页大小: {pageSize}");
                    // 计算总页数
                    int totalPages = (int)Math.Ceiling((double)totalItems / pageSize);
                    //Console.WriteLine($"总共需要请求 {totalPages} 页数据");

                    // 循环请求剩余页面
                    for (currentPage = 2; currentPage <= totalPages; currentPage++)
                    {
                        PAGE_DTO pageinput = new PAGE_DTO() { Date = date, PageNum = currentPage, IsForce = true };
                        Console.WriteLine($"正在请求第 {currentPage} 页...");
                        PagedResponse<ToutputDetial> pageResponse = await GetPageAsync(pageinput);
                        if (pageResponse?.Data.Rows != null && pageResponse.Data.Rows.Count > 0)
                        {
                            List<T> pageList = new List<T>();
                            if (readedcount > 0)
                            {
                                var listrows = pageResponse.Data.Rows.Where(p => !ids.Contains(p.Id));
                                foreach (var itm in pageResponse.Data.Rows)
                                {
                                    T entity = new T();
                                    entity.InjectFrom(itm);
                                    entity.CreationTime = DateTime.Now;
                                    pageList.Add(entity);
                                    allData.Add(itm);
                                }
                            }
                            else
                            {
                                foreach (var itm in pageResponse.Data.Rows)
                                {
                                    T entity = new T();
                                    entity.InjectFrom(itm);
                                    entity.CreationTime = DateTime.Now;
                                    pageList.Add(entity);
                                    allData.Add(itm);
                                }
                            }
                            if (pageList.Any())
                            {
                                await InsertDataAsync(pageList);
                            }
                           
                            //await _logger.AddInfo($"成功获取 {pageResponse.Data.Rows.Count} 条记录", TaskName);
                        }
                        else
                        {
                            await _logger.AddInfo($"第 {currentPage} 页未返回数据", TaskName);
                        }
                        // 简单的请求间隔，避免过于频繁
                        await Task.Delay(200);
                    }
                    await _logger.AddInfo($"所有数据获取完成，总共获取了 {allData.Count} 条记录", TaskName);
                }
            }

            // 首次请求获取总条数和分页信息

            return allData;
        }

        private async Task<PagedResponse<ToutputDetial>> GetPageAsync(PAGE_DTO input)
        {
            try
            {
                var inputjson = JsonSerializer.Serialize(input,
                   new JsonSerializerOptions
                   {
                       PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
                       WriteIndented = true // 可选，用于格式化输出
                   }
                   );
                inputjson = RemoveWhitespace(inputjson);
                var content = await Post(Url, Path, inputjson);
                if (!string.IsNullOrEmpty(content))
                {

                    var options = new JsonSerializerOptions
                    {
                        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
                        Converters = {
                         new JsonStringEnumConverter(), // 枚举转换
                         new CustomDateTimeConverter("yyyy-MM-dd HH:mm:ss") // 日期转换
    }
                    };
                    return JsonSerializer.Deserialize<PagedResponse<ToutputDetial>>(content, options);
                }
                else
                {
                    await _logger.AddError($"调用接口无返回值{Url}", TaskName);
                    return null;
                }
            }
            catch (Exception ex)
            {
                await _logger.AddError($"调用接口无返回值错误{ex.Message}", TaskName);
                return null;
            }

        }
        /// <summary>
        /// 手工获取调用接口
        /// </summary>
        /// <param name="taskName">任务名称</param>
        /// <param name="inputdate">请求日期</param>
        /// <param name="client">客户(Chery)</param>
        /// <returns></returns>
        [HttpGet]
        public virtual async Task CustomInvokeAsync(string taskName, string inputdate,string client)
        {
            var first=  _jobDbContext.TaskConifgure.FirstOrDefault(p => p.TaskName == taskName && p.Client == client);
            if (first == null)
            {
               await  _logger.AddError($"手工调用接口{taskName}没找到", taskName);

                return;
            }

            Url =first.Url;
            Path = first.Api;
            TaskName = taskName;
            await FetchAllDataAsync(inputdate);
        }
        protected override async Task DoExecutingAsync(string url, string path, string takName, string client)
        {
            Url = url;
            Path = path;
            TaskName = takName;
            Client = client;
            await FetchAllDataAsync(string.Empty);

        }
        /// <summary>
        /// 获取所有记录
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public async Task<ActionResult<IEnumerable<T>>> GetAll()
        {
            return await _repository.GetAllAsync() as List<T>;
        }
        /// <summary>
        /// 获取实体通过ID
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [HttpGet("{id}")]
        public async Task<ActionResult<T>> GetById(int id)
        {
            var entity = await _repository.GetByIdAsync(id);
            if (entity == null) return NotFound();
            return entity;
        }

        [HttpPost]
        public async Task<ActionResult<T>> Create(T entity)
        {
            entity.CreationTime = DateTime.Now;
            var createdEntity = await _repository.AddAsync(entity);
            return CreatedAtAction(nameof(GetById), new { id = createdEntity.Id }, createdEntity);
        }
        /// <summary>
        /// 修改
        /// </summary>
        /// <param name="entity"></param>
        /// <returns></returns>
        [HttpPut("{id}")]
        public async Task<IActionResult> Update(T entity)
        {
            var _first = await _repository.GetByIdAsync(entity.UId);
            if (_first == null)
            {
                return new JsonResult(new { Code = 400, Message = "修改失败!" });
            }


            await _repository.UpdateAsync(entity);
            return new JsonResult(new { Code = 200, Message = "修改成功!" });
        }
        /// <summary>
        /// 删除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>

        [HttpDelete("{id}")]
        public async Task<IActionResult> Delete(int id)
        {
            await _repository.DeleteAsync(id);
            return new JsonResult(new { Code = 200, Message = "删除成功!" }); ;
        }
        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="pageNumber">第几页</param>
        /// <param name="pageSize">每页条数</param>
        /// <param name="sortBy">排序字段</param>
        /// <param name="isAscending">正序还是倒序</param>
        /// <param name="filters">过滤条件</param>
        /// <returns></returns>
        [HttpGet]
        public async Task<ActionResult> GetPaged(
        [FromQuery] int pageNumber = 1,
        [FromQuery] int pageSize = 10,
        [FromQuery] string sortBy = "",
        [FromQuery] bool isAscending = true,
        [FromQuery] Dictionary<string, string> filters = null)
        {
            var pagingParams = new PagingParams
            {
                PageNumber = pageNumber,
                PageSize = pageSize,
                SortBy = sortBy,
                IsAscending = isAscending,
                Filters = filters
            };

            // 可以在这里构建表达式树过滤条件
            Expression<Func<T, bool>> filter = null;

            var pagedResult = await _repository.GetPagedAsync(filter, pagingParams);
            return   Ok(pagedResult);
        }

        /// <summary>
        /// 分页New
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<ActionResult<PagedResult<T>>> GetDataPaged(RequestInputBase input)
        {
            var pagingParams = new PagingParams
            {
                PageNumber = input.pageNumber,
                PageSize = input.pageSize,
                SortBy = input.sortBy,
                IsAscending = input.isAscending,               
            };

            // 可以在这里构建表达式树过滤条件
            Expression<Func<T, bool>> filter = null;

            var pagedResult = await _repository.GetDataPagedAsync(filter, pagingParams, input.Condition);
            return Ok(pagedResult);
        }


        /// <summary>
        /// 导出
        /// </summary>
        /// <param name="pageNumber"></param>
        /// <param name="pageSize">每页条数</param>
        /// <param name="sortBy">排序字段</param>
        /// <param name="isAscending">正序还是倒序</param>
        /// <param name="filters">过滤条件</param>
        /// <returns></returns>

        [HttpGet]
        public async Task<FileStreamResult> Export([FromQuery] int pageNumber = 1,
    [FromQuery] int pageSize = 10,
    [FromQuery] string sortBy = "",
    [FromQuery] bool isAscending = true,
    [FromQuery] Dictionary<string, string> filters = null)
        {
            var pagingParams = new PagingParams
            {
                PageNumber = pageNumber,
                PageSize = pageSize,
                SortBy = sortBy,
                IsAscending = isAscending,
                Filters = filters
            };

            // 可以在这里构建表达式树过滤条件
            //Expression<Func<T, bool>> filter = null;

            var pagedResult = await _repository.GetPagedAsync(null, pagingParams);
            return await ExportFile(pagedResult.Data, Guid.NewGuid().ToString() + ".xlsx");


        }

        
        /// <summary>
        /// 导出New
        /// </summary>
        /// <param name="input"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<FileStreamResult> ExportData(RequestInputBase input)
        {
            var pagingParams = new PagingParams
            {
                PageNumber = input.pageNumber,
                PageSize = input.pageSize,
                SortBy = input.sortBy,
                IsAscending = input.isAscending,
               
            };

            // 可以在这里构建表达式树过滤条件
            //Expression<Func<T, bool>> filter = null;

            var pagedResult = await _repository.GetDataPagedAsync(null, pagingParams, input.Condition);
            return await ExportFile(pagedResult.Data, Guid.NewGuid().ToString() + ".xlsx");
        }

        protected async Task<FileStreamResult> ExportFile(ICollection<T> dtos, string fileName)
        {
            var excelExporter = HttpContext.RequestServices.GetRequiredService<IExcelExporter>();
            var res = await excelExporter.ExportAsByteArray(dtos);
            return new FileStreamResult(new MemoryStream(res), "application/octet-stream") { FileDownloadName = DateTime.Now.ToString("yyyyMMddHHmm") + "_" + fileName };
        }


        /// <summary>
        /// 获取导入模板
        /// </summary>
        /// <returns></returns>

        [HttpGet]

        public async Task<IActionResult> GetImportTemplate()
        {
            try
            {
                // 创建导入模板生成器
                var importer = new ExcelImporter();

                // 生成导入模板流（这里假设使用 YourModel 作为导入模型）
                var bytes = await importer.GenerateTemplateBytes<T>();


                //using var stream = new MemoryStream(bytes);
                //stream.Seek(0, SeekOrigin.Begin);

                // 设置友好的文件名，例如："导入模板_20250530.xlsx"
                var fileName = $"导入模板_{DateTime.Now:yyyyMMdd}.xlsx";

                // 返回文件流结果

                return new FileStreamResult(new MemoryStream(bytes), "application/octet-stream") { FileDownloadName = DateTime.Now.ToString("yyyyMMddHHmm") + "_" + fileName };



                //return File(
                //    fileStream: stream,
                //    contentType: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
                //    fileDownloadName: fileName);
            }
            catch (Exception ex)
            {
                // 记录异常日志
                Console.WriteLine($"生成导入模板时出错: {ex.Message}");

                // 返回错误响应
                return StatusCode(500, "生成导入模板时发生错误");
            }
        }
        /// <summary>
        /// 导入
        /// </summary>
        /// <param name="file">选择文件</param>
        /// <returns></returns>
        [HttpPost("Import")]
        public async virtual Task<IActionResult> Import(IFormFile file)
        {
            if (file == null || file.Length <= 0)
            {
                return BadRequest("No file uploaded.");
            }

            try
            {
                var excelImporter = HttpContext.RequestServices.GetRequiredService<IExcelImporter>();
                var importResult = await excelImporter.Import<T>(file.OpenReadStream());
                //if (importResult.HasError)
                //{
                //    return BadRequest(importResult.ErrorMessage);
                //}

                // 处理导入的数据
                List<T> list = new List<T>();
                foreach (var item in importResult.Data)
                {
                    list.Add(item);

                }
                await ImportBefore(list);

                await _jobDbContext.BulkInsertAsync(list);

                await ImportAfter(list);


                return new JsonResult(new { Code = 200, Message = "修改成功!" });
            }
            catch (Exception ex)
            {
                await _logger.AddError(ex.Message, TaskName);
                return new JsonResult(new { Code = 400, Message = "导入失败!" });
            }
        }


        protected virtual async Task ImportBefore(List<T> p_list)
        {

        }


        protected virtual async Task ImportAfter(List<T> p_list)
        {

        }



    }
    public class CustomDateTimeConverter : JsonConverter<DateTime>
    {
        private readonly string _format;

        public CustomDateTimeConverter(string format)
        {
            _format = format;
        }

        public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            return DateTime.ParseExact(reader.GetString(), _format, null);
        }

        public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
        {
            writer.WriteStringValue(value.ToString(_format));
        }
    }




}