<?php

namespace App\Http\Controllers\Admin\Setup;

use App\Http\Concerns\SortsQuery;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Setup\AssignPpmRequest;
use App\Http\Requests\Admin\Setup\UpsertPusatMengundiRequest;
use App\Models\Dun;
use App\Models\Election;
use App\Models\Position;
use App\Models\PusatMengundi;
use App\Models\User;
use App\Services\Admin\PpmAssignmentService;
use App\Services\Admin\PusatOperationalSetupService;
use App\Services\Admin\PusatQrCodeService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\View\View;

class PusatMengundiController extends Controller
{
    use SortsQuery;

    public function index(): View
    {
        return view('admin.setup.pusat.index', [
            'pusats' => $this->sortedQuery(
                PusatMengundi::query()->with(['election', 'dun', 'saluranMengundis']),
                ['code', 'name'],
                'code'
            )->paginate(15)->withQueryString(),
        ]);
    }

    public function create(): View
    {
        return view('admin.setup.pusat.create', [
            'pusat' => new PusatMengundi,
            'elections' => Election::query()->orderBy('name')->get(),
            'duns' => Dun::query()->orderBy('name')->get(),
        ]);
    }

    public function store(
        UpsertPusatMengundiRequest $request,
        PusatQrCodeService $qrCodeService,
        PusatOperationalSetupService $operationalSetupService,
    ): RedirectResponse {
        $pusat = DB::transaction(function () use ($request, $operationalSetupService): PusatMengundi {
            $pusat = PusatMengundi::query()->create([
                ...$request->safe()->only([
                    'election_id',
                    'dun_id',
                    'code',
                    'name',
                    'address',
                ]),
                'public_uuid' => (string) Str::uuid(),
            ]);

            $operationalSetupService->configure($pusat, $request->validated());

            return $pusat;
        });

        $qrCodeService->generate($pusat);

        return redirect()->route('admin.setup.pusat.index')
            ->with('status', 'Pusat Mengundi telah disimpan dan QR telah dijana.');
    }

    public function show(PusatMengundi $pusatMengundi): View
    {
        $ppmPosition = Position::query()->where('code', 'PPM')->first();

        return view('admin.setup.pusat.show', [
            'pusat' => $pusatMengundi->load([
                'election',
                'dun',
                'saluranMengundis',
                'positionQuotas.position',
            ]),
            'ppmAssignment' => $ppmPosition
                ? $pusatMengundi->staffAssignments()
                    ->with('user')
                    ->where('position_id', $ppmPosition->id)
                    ->where('status', 'active')
                    ->whereNull('saluran_mengundi_id')
                    ->first()
                : null,
            'users' => User::query()->orderBy('name')->get(),
        ]);
    }

    public function edit(PusatMengundi $pusatMengundi): View
    {
        return view('admin.setup.pusat.edit', [
            'pusat' => $pusatMengundi,
            'elections' => Election::query()->orderBy('name')->get(),
            'duns' => Dun::query()->orderBy('name')->get(),
        ]);
    }

    public function update(UpsertPusatMengundiRequest $request, PusatMengundi $pusatMengundi): RedirectResponse
    {
        $pusatMengundi->update($request->safe()->only([
            'election_id',
            'dun_id',
            'code',
            'name',
            'address',
        ]));

        return redirect()->route('admin.setup.pusat.show', $pusatMengundi)
            ->with('status', 'Pusat Mengundi telah dikemas kini.');
    }

    public function destroy(PusatMengundi $pusatMengundi): RedirectResponse
    {
        $pusatMengundi->forceDelete();

        return redirect()->route('admin.setup.pusat.index')
            ->with('status', 'Pusat Mengundi telah dipadam.');
    }

    public function generateQr(PusatMengundi $pusatMengundi, PusatQrCodeService $qrCodeService): RedirectResponse
    {
        $qrCodeService->generate($pusatMengundi);

        return redirect()->route('admin.setup.pusat.show', $pusatMengundi)
            ->with('status', 'QR pendaftaran telah dijana semula.');
    }

    public function qrSvg(PusatMengundi $pusatMengundi): Response
    {
        abort_unless($pusatMengundi->qr_code_path && Storage::disk('local')->exists($pusatMengundi->qr_code_path), 404);

        return response(Storage::disk('local')->get($pusatMengundi->qr_code_path), 200, [
            'Content-Type' => 'image/svg+xml',
        ]);
    }

    public function assignPpm(AssignPpmRequest $request, PusatMengundi $pusatMengundi, PpmAssignmentService $assignmentService): RedirectResponse
    {
        $user = User::query()->findOrFail($request->validated('user_id'));

        $assignmentService->assign($pusatMengundi, $user);

        return redirect()->route('admin.setup.pusat.show', $pusatMengundi)
            ->with('status', 'PPM telah ditetapkan.');
    }
}