using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using PSTW_CentralSystem.DBContext;
using PSTW_CentralSystem.Models;
using PSTW_CentralSystem.Areas.MMS;
using System.Linq;
using QuestPDF.Fluent;
using PSTW_CentralSystem.Areas.MMS.Models.PDFGenerator;

namespace PSTW_CentralSystem.Areas.MMS.Controllers
{
    [Area("MMS")]
    //[Authorize(Policy = "RoleModulePolicy")]
    public class MarineController(MMSSystemContext context) : Controller
    {
        private readonly MMSSystemContext _context = context;

        public IActionResult Index()
        {
            return View(); // This will look for Index.cshtml in Areas/MMS/Views/Marine
        }

        public IActionResult TarBallForm()
        {
            var marineTarballs = _context.MarineTarballs
                .Select(t => new
                {
                    t.Id, // Include Id property
                    Date = t.DateSample,
                    Station = t.StationID
                })
                .ToList();

            // For debugging
            Console.WriteLine("Fetched Data:");
            foreach (var item in marineTarballs)
            {
                Console.WriteLine($"Date: {item.Date}, Station: {item.Station}");
            }

            return View(marineTarballs);
        }

        public IActionResult GenerateReport(int id)
        {
            Console.WriteLine($"Requested ID in GenerateReport: {id}"); // Log the ID

            try
            {
                // Retrieve the specific record based on the id, including the related StateID
                var tarballData = (from marine in _context.MarineTarballs
                                   join station in _context.TarballStations
                                   on marine.StationID equals station.StationID
                                   join state in _context.States
                                   on station.StateID equals state.StateID
                                   where marine.Id == id
                                   select new
                                   {
                                       marine.StationID,
                                       marine.DateSample,
                                       state.StateName // Get the full state name
                                   }).FirstOrDefault();

                if (tarballData == null)
                {
                    return NotFound("The specified record was not found.");
                }

                Console.WriteLine($"Found Record: StationID = {tarballData.StationID}, StateName = {tarballData.StateName}");

                // Generate the PDF
                var pdfdocument = new TarBallPDF(tarballData.StationID, tarballData.StateName); // Pass StateID to the PDF generator
                var pdf = pdfdocument.GeneratePdf();

                // Construct the filename
                var formattedDate = tarballData.DateSample.ToString("ddMMyyyy");
                var fileName = $"TbReport_{tarballData.StationID}_{formattedDate}.pdf";

                // Return the file
                return File(pdf, "application/pdf", fileName);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                return StatusCode(StatusCodes.Status500InternalServerError, "An error occurred while generating the PDF. " + ex.Message);
            }
        }

        public IActionResult ViewPDF(int id)
        {
            Console.WriteLine("testing"); //TESTING DEBUGGING
            Console.WriteLine($"Requested ID in ViewReport: {id}"); // Log the ID

            try
            {
                // Retrieve the specific record based on the id, including the related StateID
                var tarballData = (from marine in _context.MarineTarballs
                                   join station in _context.TarballStations
                                   on marine.StationID equals station.StationID into StationGroup
                                   from station in StationGroup.DefaultIfEmpty() //Handle missing 
                                   join state in _context.States
                                   on station.StateID equals state.StateID
                                   where marine.Id == id
                                   select new
                                   {
                                       marine.StationID,
                                       marine.DateSample,
                                       StationExists = station != null,
                                       state.StateName // Get the full state name
                                   }).FirstOrDefault();

                if (tarballData == null)
                {
                    return NotFound("The specified record was not found.");
                }

                Console.WriteLine($"Found Record: StationID = {tarballData.StationID}, StateName = {tarballData.StateName}");

                // Generate the PDF
                var document = new TarBallPDF(tarballData.StationID, tarballData.StateName); // Pass StateID to the PDF generator
                var pdf = document.GeneratePdf();

                // Construct the filename
                var formattedDate = tarballData.DateSample.ToString("ddMMyyyy");
                var fileName = $"TbReport_{tarballData.StationID}_{formattedDate}.pdf";

                // Return the file
                return File(pdf, "application/pdf");
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
                return StatusCode(StatusCodes.Status500InternalServerError, "An error occurred while viewing the PDF. " + ex.Message);
            }
        }
    }
}