using System.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using eSPJ.Models;

namespace eSPJ.Controllers.SpjAdminController;

[Route("admin")]
public class SpjAdminController : Controller
{
    private static readonly Guid DummySpjGuid = new Guid("9f5b8f3a-1c2d-4a5b-9a7c-1234567890ab");
    private const string DummySpjNumber = "SPJ/08-2025/PKM/000519";

    [HttpGet("")]
    public IActionResult Index()
    {
        return View("~/Views/Admin/Transport/SpjAdmin/Home/Index.cshtml");
    }

    [HttpGet("scan")]
    public IActionResult Scan()
    {
        return View("~/Views/Admin/Transport/SpjAdmin/Scan/Index.cshtml");
    }

    [HttpGet("history")]
    public IActionResult History()
    {
        return View("~/Views/Admin/Transport/SpjAdmin/History/Index.cshtml");
    }

    [HttpGet("history/details/{id}")]
    public IActionResult Details(int id)
    {
        ViewData["Id"] = id;
        return View("~/Views/Admin/Transport/SpjAdmin/History/Details.cshtml");
    }

    [ValidateAntiForgeryToken]
    [HttpPost("scan/process/{id:guid}", Name = "Admin_Scan_Process")]
    public IActionResult Process(Guid id)
    {
        // Dummy rule: hanya GUID dummy yang dianggap valid
        if (id == DummySpjGuid)
        {
            return Json(new { success = true, data = new { id, status = "Valid" } });
        }
        return Json(new { success = false, message = "SPJ tidak ditemukan." });
    }

    // Resolve kode SPJ (contoh: "SPJ/08-2025/PKM/000519") menjadi GUID.
    // Catatan: Saat ini dummy (development): setiap format SPJ yang valid bakal ke GUID baru.
    // Integrasi produksi: ganti dengan query DB untuk mencari SPJ berdasarkan nomor, lalu kembalikan Id GUID yang sebenarnya.
    [ValidateAntiForgeryToken]
    [HttpPost("scan/resolve", Name = "Admin_Scan_Resolve")]
    public IActionResult Resolve([FromForm] string code)
    {
        if (string.IsNullOrWhiteSpace(code))
        {
            return Json(new { success = false, message = "Kode kosong." });
        }

        code = code.Trim();

        // Jika sudah GUID, langsung kembalikan (tetap izinkan test langsung GUID dummy)
        if (Guid.TryParse(code, out var guid))
        {
            return Json(new { success = true, id = guid });
        }

        // Pola SPJ
        var isSpj = System.Text.RegularExpressions.Regex.IsMatch(
            code,
            @"^SPJ/\d{2}-\d{4}/[A-Z]+/\d{6}$",
            System.Text.RegularExpressions.RegexOptions.IgnoreCase
        );

        if (!isSpj)
        {
            return Json(new { success = false, message = "Format kode tidak dikenali." });
        }

        // Dummy mapping: jika persis sesuai nomor di atas, kembalikan GUID tetap; selain itu anggap tidak ditemukan
        if (string.Equals(code, DummySpjNumber, StringComparison.OrdinalIgnoreCase))
        {
            return Json(new { success = true, id = DummySpjGuid });
        }

        return Json(new { success = false, message = "SPJ tidak ditemukan." });
    }

}