using BMA.EHR.Extensions;
using BMA.EHR.Profile.Service.Controllers;
using BMA.EHR.Report.Service.Data;
using BMA.EHR.Report.Service.Responses;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Swashbuckle.AspNetCore.Annotations;
using Telerik.Reporting;
using Telerik.Reporting.Processing;

namespace BMA.EHR.Report.Service.Controllers
{
    [Route("api/v{version:apiVersion}/report/recruit")]
    [ApiVersion("1.0")]
    [ApiController]
    [Produces("application/json")]
    [Authorize]
    [SwaggerTag("รายงานข้อมูลการสอบแข่งขัน")]
    public class RecruitReportController : BaseController
    {
        #region " Fields "

        private readonly ApplicationDbContext _context;
        private readonly IWebHostEnvironment _hostingEnvironment;
        private readonly IConfiguration _configuration;
        private readonly string space = "ㅤ";

        #endregion

        #region " Constructor and Destructor "

        public RecruitReportController(ApplicationDbContext context,
                                       IWebHostEnvironment hostingEnvironment,
                                       IConfiguration configuration)
        {
            this._context = context;
            this._hostingEnvironment = hostingEnvironment;
            this._configuration = configuration;
        }

        #endregion

        #region " Methods "

        /// <summary>
        /// แสดงหนังสือรับรอง
        /// </summary>
        /// <param name="id">รหัสรอบการสอบ</param>
        /// <param name="examId">เลขประจำตัวผู้สมัครสอบ</param>
        /// <returns></returns>
        /// <response code="200">เมื่อแสดงรายงานสำเร็จ</response>
        /// <response code="400">ค่าตัวแปรที่ส่งมาไม่ถูกต้อง</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>

        [HttpGet("certificate/{id:length(36)}/{examId}")]
        [ProducesResponseType(StatusCodes.Status200OK)]
        [ProducesResponseType(StatusCodes.Status400BadRequest)]
        [ProducesResponseType(StatusCodes.Status401Unauthorized)]
        [ProducesResponseType(StatusCodes.Status500InternalServerError)]
        public async Task<ActionResult<ResponseObject>> GetPeriodByIdAsync(Guid id, string examId)
        {
            try
            {
                var data = await _context.Recruits.AsQueryable()
                                    .Include(x => x.RecruitImport)
                                    .Where(x => x.RecruitImport.Id == id)
                                    .Where(x => x.ExamId == examId)
                                    .Join(_context.RecruitScores.AsQueryable()
                                            .Include(x => x.ScoreImport),
                                            rc => new { rc.RecruitImport.Year, rc.ExamId },
                                            sc => new { sc.ScoreImport.Year, sc.ExamId },
                                            (p, sr) => new
                                            {
                                                ExamID = p.ExamId,
                                                p.CitizenId,
                                                Order = p.RecruitImport.Order,
                                                Year = p.RecruitImport.Year,
                                                FullName = $"{p.Prefix}{p.FirstName} {p.LastName}",
                                                ExamResult = sr == null ? "" : sr.ExamStatus,
                                                EndDate = DateTime.Now.ToThaiShortDate2()

                                            })
                                    .FirstOrDefaultAsync();

                var rptFile = Path.Combine(_hostingEnvironment.ContentRootPath, "Report", "Recruit", "rptCertificate.trdp");
                ReportPackager reportPackager = new ReportPackager();
                Telerik.Reporting.Report report = null;
                using (var sourceStream = System.IO.File.OpenRead(rptFile))
                {
                    report = (Telerik.Reporting.Report)reportPackager.UnpackageDocument(sourceStream);
                }

                report.DataSource = data;
                System.Collections.Hashtable deviceInfo = new System.Collections.Hashtable();

                InstanceReportSource instanceReportSource = new InstanceReportSource()
                {
                    ReportDocument = report
                };


                ReportProcessor reportProcessor = new ReportProcessor(_configuration);
                RenderingResult result = reportProcessor.RenderReport("PDF", instanceReportSource, deviceInfo);

                var content = result.DocumentBytes;
                return File(content, "application/pdf", $"หนังสือรับรอง_{data.CitizenId}_{data.FullName}.pdf");

            }
            catch (Exception ex)
            {
                return Error(ex, "เกิดข้อผิดพลาดในการแสดงรายงาน");
            }
        }


        #endregion
    }
}