using BMA.EHR.Domain.Common;
using BMA.EHR.Domain.Extensions;
using BMA.EHR.Application.Repositories.Reports;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Authorization;
using Swashbuckle.AspNetCore.Annotations;
using Telerik.Reporting;
using Telerik.Reporting.Processing;
using BMA.EHR.Application.Repositories;
using System.Drawing;

namespace BMA.EHR.Report.Service.Controllers
{
    [Route("api/v{version:apiVersion}/report/candidate")]
    [ApiVersion("2.0")]
    [ApiController]
    [Produces("application/json")]
    [Authorize]
    [SwaggerTag("API รายงานระบบสอบคัดเลือก")]
    public class CandidateReportController : BaseController
    {
        private readonly CandidateReportRepository _service;
        private readonly IWebHostEnvironment _hostingEnvironment;
        private readonly IConfiguration _configuration;
        private readonly MinIOExamService _minIOExamService;

        public CandidateReportController(CandidateReportRepository service, IWebHostEnvironment hostingEnvironment,
                                MinIOExamService minIOExamService, IConfiguration configuration)
        {
            _service = service;
            _hostingEnvironment = hostingEnvironment;
            _configuration = configuration;
            _minIOExamService = minIOExamService;
        }

        #region ใบสมัคร
        /// <summary>
        /// ใบสมัคร
        /// </summary>
        /// <param name="Id">Id ผู้สมัคร</param>
        /// <param name="exportType">pdf, docx หรือ xlsx</param>
        /// <returns></returns>
        /// <response code="200">เมื่อทำการอ่านข้อมูลจาก Relational Database สำเร็จ</response>
        /// <response code="401">ไม่ได้ Login เข้าระบบ</response>
        /// <response code="500">เมื่อเกิดข้อผิดพลาดในการทำงาน</response>
        [HttpGet("{exportType}/{Id}")]
        [AllowAnonymous]
        public async Task<ActionResult<ResponseObject>> GetExamCandidate([FromRoute] Guid Id, string exportType = "pdf")
        {
            var candidate = await _service.GetExamCandidateAsync(Id);
            var careers = await _service.GetExamCareerCandidateAsync(Id);
            var avatar = await _service.GetExamAvatarCandidateAsync(Id);
            if (candidate != null)
            {
                var mimeType = "";
                switch (exportType.Trim().ToLower())
                {
                    case "pdf": mimeType = "application/pdf"; break;
                    case "docx": mimeType = "application/vnd.openxmlformats-officedocument.wordprocessingml.document"; break;
                    case "xlsx": mimeType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; break;
                }

                var rptFile = System.IO.Path.Combine(_hostingEnvironment.ContentRootPath, "Reports", $"ผลสอบคัดเลือกรายบุคคล.trdp");
                ReportPackager reportPacker = new ReportPackager();
                Telerik.Reporting.Report? report = null;
                using (var sourceStream = System.IO.File.OpenRead(rptFile))
                {
                    report = (Telerik.Reporting.Report)reportPacker.UnpackageDocument(sourceStream);
                }
                report.DataSource = candidate;

                var tblData = (Telerik.Reporting.Table)report.Items["detailSection1"].Items["tblData"];
                tblData.DataSource = careers;

                Console.WriteLine("000000");
                if (avatar != Guid.Parse("00000000-0000-0000-0000-000000000000"))
                {
                    try
                    {
                        // Get avatar Image
                        var picContent = await _minIOExamService.DownloadFileAsync(avatar);
                        var pictureBox = (Telerik.Reporting.PictureBox)report.Items["detailSection1"].Items["picAvatar"];
                        pictureBox.Value = Image.FromStream(new MemoryStream(picContent.FileContent));
                    }
                    catch { }
                }

                System.Collections.Hashtable deviceInfo = new System.Collections.Hashtable();
                InstanceReportSource instanceReportSource = new InstanceReportSource()
                {
                    ReportDocument = report,
                };
                ReportProcessor reportProcessor = new ReportProcessor(_configuration);
                RenderingResult result = reportProcessor.RenderReport($"{exportType}", instanceReportSource, deviceInfo);
                return File(result.DocumentBytes, mimeType, $"ใบสมัครสอบคัดเลือก.{exportType.Trim().ToLower()}");
            }
            else
            {
                return NotFound();
            }
        }
        #endregion
    }
}