<?php

namespace App\Livewire\Tasks;

use App\Models\ServiceRequest;
use App\Models\Status;
use App\Services\RequestService;
use Livewire\Attributes\Layout;
use Livewire\Component;

#[Layout('layouts.app')]
class MyTasksPage extends Component
{
    public string $priorityId = '';

    public string $deadlineFilter = '';

    public array $quickComments = [];

    public function mount(): void
    {
        abort_unless(auth()->user()->isTechnician(), 403);
    }

    public function updateStatus(int $requestId, string $statusId, RequestService $requestService): void
    {
        $request = ServiceRequest::query()->with('status')->findOrFail($requestId);

        abort_unless($request->assigned_to === auth()->id(), 403);

        $target = Status::query()->findOrFail($statusId);
        $allowed = $requestService->allowedTransitions($request, auth()->user());

        if (!in_array($target->slug, $allowed, true)) {
            return;
        }

        $requestService->changeStatus($request, $target, auth()->user());
        session()->flash('success', "Статус {$request->ticket_number} обновлен.");
    }

    public function transitionOptions(ServiceRequest $request)
    {
        $slugs = app(RequestService::class)->allowedTransitions($request, auth()->user());

        return Status::query()->whereIn('slug', $slugs)->orderBy('sort_order')->get();
    }

    public function addQuickComment(int $requestId): void
    {
        $body = trim((string) ($this->quickComments[$requestId] ?? ''));

        if ($body === '') {
            return;
        }

        $request = ServiceRequest::query()->findOrFail($requestId);
        abort_unless($request->assigned_to === auth()->id(), 403);

        $request->comments()->create([
            'user_id' => auth()->id(),
            'body' => $body,
            'is_internal' => true,
        ]);

        $this->quickComments[$requestId] = '';
        session()->flash('success', "Комментарий к {$request->ticket_number} добавлен.");
    }

    public function render()
    {
        $statuses = Status::query()->orderBy('sort_order')->get();

        $requests = ServiceRequest::query()
            ->with(['status', 'priority', 'client', 'equipment'])
            ->where('assigned_to', auth()->id())
            ->when($this->priorityId !== '', fn ($q) => $q->where('priority_id', $this->priorityId))
            ->when($this->deadlineFilter === 'today', fn ($q) => $q->whereDate('deadline_at', now()->toDateString()))
            ->when($this->deadlineFilter === 'overdue', fn ($q) => $q->overdue())
            ->orderBy('deadline_at')
            ->get()
            ->groupBy(fn (ServiceRequest $request) => $request->status?->slug ?? 'unknown');

        return view('livewire.tasks.my-tasks-page', [
            'statuses' => $statuses,
            'requestsByStatus' => $requests,
            'priorities' => \App\Models\Priority::query()->orderBy('level')->get(),
        ])->title('Мои задачи');
    }
}