<?php

namespace App\Http\Controllers\Admin\Management;

use App\Http\Controllers\Controller;
use App\Models\Position;
use App\Models\PusatMengundi;
use App\Models\SaluranMengundi;
use App\Models\StaffAssignment;
use App\Services\Admin\Management\PennempatanService;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\View\View;

class PennempatanController extends Controller
{
    public function show(PusatMengundi $pusatMengundi, PennempatanService $service): View
    {
        $pusatMengundi->load(['dun', 'election', 'saluranMengundis']);

        $ppmPosition  = Position::query()->where('code', 'PPM')->first();
        $ppmAssignment = $ppmPosition
            ? StaffAssignment::query()
                ->with('application')
                ->where('pusat_mengundi_id', $pusatMengundi->id)
                ->where('position_id', $ppmPosition->id)
                ->where('status', 'active')
                ->whereNull('saluran_mengundi_id')
                ->first()
            : null;

        return view('admin.management.penempatan.show', [
            'pusat'    => $pusatMengundi,
            'ppm'      => $ppmAssignment,
            'sections' => $service->detailForPusat($pusatMengundi),
        ]);
    }

    public function lepas(Request $request, PusatMengundi $pusatMengundi, StaffAssignment $assignment): RedirectResponse
    {
        abort_unless($assignment->pusat_mengundi_id === $pusatMengundi->id, 404);

        $assignment->update([
            'status'             => 'inactive',
            'assigned_by_user_id' => $request->user()->id,
        ]);

        activity('admin_management')
            ->performedOn($assignment)
            ->causedBy($request->user())
            ->log('assignment_removed_by_admin');

        return redirect()->route('admin.management.penempatan.show', $pusatMengundi)
            ->with('status', 'Petugas telah dilepaskan dari tugasan.');
    }

    public function pindahForm(PusatMengundi $pusatMengundi, StaffAssignment $assignment): View
    {
        abort_unless($assignment->pusat_mengundi_id === $pusatMengundi->id, 404);

        return view('admin.management.penempatan.pindah', [
            'pusat'      => $pusatMengundi,
            'assignment' => $assignment->load(['application', 'position', 'saluranMengundi']),
            'pusats'     => PusatMengundi::query()->with('election')->orderBy('code')->get(),
            'salurans'   => SaluranMengundi::query()
                ->where('pusat_mengundi_id', $pusatMengundi->id)
                ->orderBy('number')
                ->get(),
        ]);
    }

    public function pindah(Request $request, PusatMengundi $pusatMengundi, StaffAssignment $assignment): RedirectResponse
    {
        abort_unless($assignment->pusat_mengundi_id === $pusatMengundi->id, 404);

        $data = $request->validate([
            'pusat_mengundi_id'   => ['required', 'exists:pusat_mengundis,id'],
            'saluran_mengundi_id' => ['nullable', 'exists:saluran_mengundis,id'],
        ]);

        $newPusat = PusatMengundi::query()->findOrFail($data['pusat_mengundi_id']);

        $assignment->update([
            'pusat_mengundi_id'   => $newPusat->id,
            'saluran_mengundi_id' => $data['saluran_mengundi_id'] ?? null,
            'assigned_by_user_id' => $request->user()->id,
            'assigned_at'         => now(),
        ]);

        // Update linked application's pusat too
        if ($assignment->application) {
            $assignment->application->forceFill(['pusat_mengundi_id' => $newPusat->id])->save();
        }

        activity('admin_management')
            ->performedOn($assignment)
            ->causedBy($request->user())
            ->withProperties([
                'from_pusat_id' => $pusatMengundi->id,
                'to_pusat_id'   => $newPusat->id,
            ])
            ->log('assignment_transferred_by_admin');

        return redirect()->route('admin.management.penempatan.show', $newPusat)
            ->with('status', 'Petugas telah dipindahkan ke '.$newPusat->name.'.');
    }
}