<?php

namespace App\Http\Controllers\Dashboard;

use App\Http\Controllers\Controller;
use App\Support\AdminNavigation;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\DB;
use Illuminate\View\View;

class AdminDashboardController extends Controller
{
    public function __invoke(Request $request): View
    {
        $auth = $request->session()->get('legacy_auth');

        abort_unless(($auth['role'] ?? null) === 'admin', 403);

        $user = $auth['user'];
        $isSuper = ($user['lvl'] ?? null) === 'S';

        $stats = $isSuper ? [
            ['label' => 'Fakultas', 'value' => (string) DB::table('tbfakultas')->count(), 'note' => 'Total data fakultas pada basis data SPOTA.'],
            ['label' => 'Jurusan', 'value' => (string) DB::table('tbjurusan')->count(), 'note' => 'Total data jurusan lintas fakultas.'],
            ['label' => 'Program Studi', 'value' => (string) DB::table('tbprodi')->count(), 'note' => 'Total program studi yang tercatat.'],
            ['label' => 'Admin Aktif', 'value' => (string) DB::table('tbadmin')->where('aktif', 'Y')->count(), 'note' => 'Akun administrator aktif.'],
        ] : [
            ['label' => 'Mahasiswa', 'value' => (string) DB::table('tbmhs')->where('idProdi', $user['prodi'])->count(), 'note' => 'Data mahasiswa pada program studi admin.'],
            ['label' => 'Dosen', 'value' => (string) DB::table('tbdosen')->where('idProdi', $user['prodi'])->count(), 'note' => 'Data dosen pada program studi admin.'],
            ['label' => 'Draft Praoutline', 'value' => (string) DB::table('tbpraoutline')->where('idProdi', $user['prodi'])->count(), 'note' => 'Total draft praoutline program studi.'],
            ['label' => 'Jadwal Publish', 'value' => (string) DB::table('tbjadwal')->where('idProdi', $user['prodi'])->where('publish', 'Y')->count(), 'note' => 'Jadwal seminar/sidang yang dipublikasi.'],
        ];

        $schedules = DB::table('tbjadwal as tj')
            ->leftJoin('tbmhs as tm', 'tj.idMhs', '=', 'tm.idmhs')
            ->select(['tj.jenis', 'tj.start', 'tj.ruangan', 'tm.nmLengkap as mahasiswa'])
            ->when(! $isSuper, fn ($query) => $query->where('tj.idProdi', $user['prodi']))
            ->whereNotNull('tj.start')
            ->orderByDesc('tj.start')
            ->limit(6)
            ->get()
            ->map(fn ($item) => [
                'jenis' => $this->scheduleLabel($item->jenis),
                'tanggal' => $this->formatDateTime($item->start),
                'ruangan' => $item->ruangan ?: '-',
                'mahasiswa' => $item->mahasiswa ?: '-',
            ])
            ->all();

        return view('dashboard.admin', [
            'title' => 'Dashboard Admin | SPOTA Rebuild',
            'user' => $user,
            'sidebar' => AdminNavigation::build($user),
            'pageDate' => Carbon::now()->locale('id')->translatedFormat('j F Y, H:i'),
            'stats' => $stats,
            'schedules' => $schedules,
        ]);
    }

    private function scheduleLabel(?string $jenis): string
    {
        return match ($jenis) {
            'Sidang' => 'Sidang',
            'Outline' => 'Outline',
            'SidHas' => 'Seminar Hasil',
            default => $jenis ?? 'Jadwal',
        };
    }

    private function formatDateTime(?string $value): string
    {
        if (! $value) {
            return '-';
        }

        return Carbon::parse($value)->locale('id')->translatedFormat('j F Y, H:i');
    }
}