<?php

namespace App\Http\Controllers\Admin\Management;

use App\Http\Concerns\SortsQuery;
use App\Http\Controllers\Controller;
use App\Http\Requests\Admin\Management\AssignApplicationRequest;
use App\Http\Requests\Admin\Management\StoreManualApplicationRequest;
use App\Http\Requests\Admin\Management\UpdateManagedApplicationRequest;
use App\Models\Application;
use App\Models\Election;
use App\Models\Position;
use App\Models\PusatMengundi;
use App\Models\SaluranMengundi;
use App\Models\StaffAssignment;
use App\Services\Admin\Management\AdminApplicationManagementService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class ManagedApplicationController extends Controller
{
    use SortsQuery;

    public function index(Request $request): View
    {
        $query = Application::query()
            ->with(['election', 'pusatMengundi', 'requestedPosition', 'approvedPosition', 'selectedKtmAssignment.user'])
            ->when($request->filled('status'), fn ($q) => $q->where('status', $request->string('status')))
            ->when($request->filled('pusat_mengundi_id'), fn ($q) => $q->where('pusat_mengundi_id', $request->integer('pusat_mengundi_id')))
            ->when($request->filled('position_id'), function ($q) use ($request): void {
                $q->where(function ($nested) use ($request): void {
                    $nested->where('requested_position_id', $request->integer('position_id'))
                        ->orWhere('approved_position_id', $request->integer('position_id'));
                });
            })
            ->when($request->filled('q'), function ($q) use ($request): void {
                $term = '%'.$request->string('q')->toString().'%';
                $q->where(fn ($nested) => $nested
                    ->where('name', 'like', $term)
                    ->orWhere('ic_number', 'like', $term)
                    ->orWhere('email', 'like', $term));
            });

        $applications = $this->sortedQuery($query, ['name', 'status', 'created_at'], 'created_at', 'desc')
            ->paginate(15)
            ->withQueryString();

        return view('admin.management.applications.index', [
            'applications' => $applications,
            'positions' => Position::query()->orderBy('sort_order')->orderBy('name')->get(),
            'pusats' => PusatMengundi::query()->orderBy('name')->get(),
            'filters' => $request->only(['status', 'pusat_mengundi_id', 'position_id', 'q']),
        ]);
    }

    public function create(): View
    {
        return view('admin.management.applications.create', $this->formData([
            'application' => new Application,
        ]));
    }

    public function store(StoreManualApplicationRequest $request, AdminApplicationManagementService $service): RedirectResponse
    {
        $application = $service->create($request->user(), $request->validated());

        return redirect()->route('admin.management.applications.edit', $application->public_uuid)
            ->with('status', 'Permohonan manual telah disimpan.');
    }

    public function edit(Application $application): View
    {
        return view('admin.management.applications.edit', $this->formData([
            'application' => $application->load(['election.settings', 'pusatMengundi', 'requestedPosition', 'approvedPosition', 'documents', 'staffAssignments.position', 'staffAssignments.saluranMengundi', 'statusHistories']),
        ]));
    }

    public function update(UpdateManagedApplicationRequest $request, Application $application, AdminApplicationManagementService $service): RedirectResponse
    {
        $service->update($application, $request->user(), $request->validated());

        return redirect()->route('admin.management.applications.edit', $application->public_uuid)
            ->with('status', 'Permohonan telah dikemas kini.');
    }

    public function assign(AssignApplicationRequest $request, Application $application, AdminApplicationManagementService $service): RedirectResponse
    {
        $service->assign($application, $request->user(), $request->validated());

        return redirect()->route('admin.management.applications.edit', $application->public_uuid)
            ->with('status', 'Tugasan staf telah dikemas kini.');
    }

    /**
     * @param  array<string, mixed>  $extra
     * @return array<string, mixed>
     */
    private function formData(array $extra = []): array
    {
        $ktmPosition = Position::query()->where('code', 'KTM')->first();

        return [
            ...$extra,
            'elections' => Election::query()->with('settings')->orderByDesc('id')->get(),
            'pusats' => PusatMengundi::query()->with('election')->orderBy('name')->get(),
            'salurans' => SaluranMengundi::query()->with('pusatMengundi')->orderBy('number')->get(),
            'positions' => Position::query()->where('is_assignable', true)->orderBy('sort_order')->orderBy('name')->get(),
            'ktmAssignments' => $ktmPosition
                ? StaffAssignment::query()
                    ->with(['user', 'pusatMengundi', 'saluranMengundi'])
                    ->where('position_id', $ktmPosition->id)
                    ->where('status', 'active')
                    ->whereNotNull('saluran_mengundi_id')
                    ->orderByDesc('id')
                    ->get()
                : collect(),
        ];
    }
}