<?php

declare(strict_types=1);

namespace Modules\Helpdesk\Livewire;

use Illuminate\Contracts\View\View;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\Auth;
use Livewire\Component;
use Modules\Helpdesk\Models\Status;
use Modules\Helpdesk\Models\Ticket;
use Modules\Helpdesk\Services\WorkflowNotificationService;

final class KanbanBoard extends Component
{
    /**
     * Move a ticket to another workflow status.
     *
     * @param int $ticketId
     * @param int $statusId
     * @param WorkflowNotificationService $workflow
     * @return void
     */
    public function moveTicket(int $ticketId, int $statusId, WorkflowNotificationService $workflow): void
    {
        $ticket = Ticket::query()->visibleTo(Auth::user())->findOrFail($ticketId);
        $status = Status::query()->findOrFail($statusId);

        $oldStatus = $ticket->status?->name;

        $ticket->forceFill([
            'status_id' => $status->id,
            'completed_at' => $status->is_closed ? now() : null,
            'last_activity_at' => now(),
        ])->save();

        $workflow->dispatch(
            $ticket->fresh(['owner', 'agent', 'status', 'priority', 'category', 'project', 'team']),
            $status->is_closed ? 'ticket_closed' : 'ticket_updated',
            Auth::user()
        );

        session()->flash('success', 'Ticket moved to ' . $status->name . '.');
    }

    /**
     * Render the Kanban board.
     *
     * @return View
     */
    public function render(): View
    {
        return view('helpdesk::livewire.kanban-board', [
            'statuses' => Status::query()->orderBy('sort_order')->get(),
            'ticketsByStatus' => $this->ticketsByStatus(),
        ])->layout('layouts.app');
    }

    /**
     * Get visible tickets grouped by status.
     *
     * @return array<int, Collection<int, Ticket>>
     */
    private function ticketsByStatus(): array
    {
        return Ticket::query()
            ->with(['owner', 'agent', 'status', 'priority', 'category', 'project', 'team'])
            ->visibleTo(Auth::user())
            ->latest('last_activity_at')
            ->limit(200)
            ->get()
            ->groupBy('status_id')
            ->all();
    }
}