<?php

namespace App\Http\Controllers;

use Carbon\Carbon;
use App\Models\User;
use App\Models\Pengajuan;
use Illuminate\Http\Request;
use App\Models\SettingPengajuan;
use Illuminate\Support\Facades\Auth;

class DaftarDosenController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        $no = 1;
	    $nomor = 1;        
        $dosen = User::where('role', 'Dosen')->orderByRaw("FIELD(prodi, 'MIF', 'TIF', 'TKK', 'BSD')")->orderBy('name', 'ASC')->get();
        $pengajuan = Pengajuan::all();
        $status = Pengajuan::get()->where('id_mahasiswa', auth()->user()->id);

        return view('daftar-dosen', compact('no', 'nomor', 'dosen', 'pengajuan', 'status'));
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {
        $user = Auth::user();
        $countPengajuan = Pengajuan::where('id_mahasiswa', $user->id)->count();
        $maxPembimbing = SettingPengajuan::select('maxPembimbing')->first()->maxPembimbing;
        
        if ($countPengajuan >= $maxPembimbing) {
            return redirect('daftar-dosen')->with('toast_error', 'Pengajuan Dosen Pembimbing Telah Mencapai Batas Maksimum.');            
        }

        $setting = SettingPengajuan::first();
        $tglMulai = $setting->tglMulai;
        $tglSelesai = $setting->tglSelesai;
        $currentDate = Carbon::now();

        if ($currentDate->lt($tglMulai)) {
            return redirect()->back()->with('toast_error', 'Pengajuan Dosen Pembimbing Belum Dibuka.');
        } elseif ($currentDate->gt($tglSelesai)) {
            return redirect()->back()->with('toast_error', 'Pengajuan Dosen Pembimbing Sudah Ditutup.');
        }

        $request->validate([
            'judul',
            'ipk',
            'jumlah_bimbingan',
            'id_mahasiswa',
            'id_dosen_pembimbing',
        ]);

        $existingSubmission = Pengajuan::where('id_dosen_pembimbing', $request->id_dosen_pembimbing)->where('id_mahasiswa', $request->id_mahasiswa)->exists();

        if ($existingSubmission) {
            return redirect('daftar-dosen')->with('toast_error', 'Dosen Pembimbing Sudah Diajukan.');
        }

        try {            
            Pengajuan::create(array_merge($request->all(), ['nama' => $user->name]));
            $user = User::find($request->id_mahasiswa);
            $user->judul = $request->judul;
            $user->ipk = $request->ipk;
            $user->save();
            return redirect('daftar-dosen')->with('toast_success', 'Pengajuan Dosen Pembimbing Berhasil.');
        } catch (\Exception $e) {
            return redirect('daftar-dosen')->with('toast_error', 'Pengajuan Dosen Pembimbing Gagal.')->withErrors($e->getMessage())->withInput();            
        }
    }

    /**
     * Display the specified resource.
     */
    public function show(string $id)
    {
        //
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, string $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        //
    }
}