<?php

namespace App\Http\Controllers\Ktm;

use App\Http\Concerns\SortsQuery;
use App\Http\Controllers\Controller;
use App\Http\Requests\Ktm\RegisterKpApplicantRequest;
use App\Models\Application;
use App\Models\Election;
use App\Models\StaffAssignment;
use App\Services\Ktm\KtmApplicationService;
use App\Services\Ktm\KtmScopeService;
use App\Services\Public\KtmVacancyService;
use App\Services\RegistrationPeriodService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class TeamController extends Controller
{
    public function index(Request $request, KtmScopeService $scopeService, KtmVacancyService $vacancyService): View
    {
        $assignments = $scopeService->assignmentsFor($request->user());
        $assignmentIds = $assignments->pluck('id');

        return view('ktm.applications.index', [
            'assignments' => $assignments,
            'applications' => $this->sortedQuery(
                Application::query()
                    ->with(['pusatMengundi', 'requestedPosition', 'approvedPosition', 'selectedKtmAssignment.saluranMengundi'])
                    ->whereIn('selected_ktm_assignment_id', $assignmentIds),
                ['name', 'status', 'created_at'],
                'created_at',
                'desc'
            )->paginate(15)->withQueryString(),
            'vacancyService' => $vacancyService,
        ]);
    }

    public function create(Request $request, KtmScopeService $scopeService, RegistrationPeriodService $registrationPeriodService): View
    {
        $assignments = $scopeService->assignmentsFor($request->user());

        return view('ktm.applications.create', [
            'assignments' => $assignments,
            'registrationOpenByAssignment' => $assignments
                ->mapWithKeys(fn (StaffAssignment $assignment): array => [
                    $assignment->id => $registrationPeriodService->isOpen($this->assignmentElection($assignment)),
                ])
                ->all(),
        ]);
    }

    public function store(RegisterKpApplicantRequest $request, KtmApplicationService $service): RedirectResponse
    {
        $assignment = StaffAssignment::query()->findOrFail($request->validated('ktm_assignment_id'));

        $application = $service->registerKp($assignment, $request->user(), $request->validated());

        return redirect()
            ->route('ktm.applications.show', $application->public_uuid)
            ->with('status', 'Rekod KP telah didaftarkan dan emel makluman telah dihantar.');
    }

    public function show(Application $application, Request $request, KtmScopeService $scopeService): View
    {
        abort_unless($scopeService->canAccessApplication($request->user(), $application), 403);

        return view('ktm.applications.show', [
            'application' => $application->load([
                'pusatMengundi',
                'requestedPosition',
                'approvedPosition',
                'selectedKtmAssignment.user',
                'selectedKtmAssignment.saluranMengundi',
                'staffAssignments.position',
                'statusHistories.changedBy',
            ]),
        ]);
    }

    public function approve(Application $application, Request $request, KtmApplicationService $service): RedirectResponse
    {
        $service->approveKp($application, $request->user());

        return redirect()
            ->route('ktm.applications.show', $application->public_uuid)
            ->with('status', 'Permohonan KP telah diluluskan dan diassign kepada team anda.');
    }

    public function destroy(Application $application, Request $request, KtmApplicationService $service): RedirectResponse
    {
        $service->deleteCreatedApplication($application, $request->user());

        return redirect()
            ->route('ktm.applications.index')
            ->with('status', 'Rekod KTM-created telah dipadam. Pemohon kini boleh mendaftar sendiri.');
    }

    private function assignmentElection(StaffAssignment $assignment): Election
    {
        /** @var Election $election */
        $election = $assignment->election()->with('settings')->firstOrFail();

        return $election;
    }
}