<?php

declare(strict_types=1);

namespace Modules\Helpdesk\Services;

use App\Models\User;
use Modules\Helpdesk\Models\ChecklistItem;
use Modules\Helpdesk\Models\ChecklistTemplate;
use Modules\Helpdesk\Models\Ticket;

final class ChecklistService
{
    public function applyTemplates(Ticket $ticket): void
    {
        ChecklistTemplate::query()
            ->where('is_active', true)
            ->where(static function ($query) use ($ticket): void {
                $query->whereNull('category_id')->orWhere('category_id', $ticket->category_id);
            })
            ->where(static function ($query) use ($ticket): void {
                $query->whereNull('project_id')->orWhere('project_id', $ticket->project_id);
            })
            ->get()
            ->each(function (ChecklistTemplate $template) use ($ticket): void {
                foreach (array_values($template->items ?? []) as $index => $item) {
                    ChecklistItem::query()->firstOrCreate([
                        'ticket_id' => $ticket->id,
                        'template_id' => $template->id,
                        'title' => is_array($item) ? (string) ($item['title'] ?? '') : (string) $item,
                    ], [
                        'description' => is_array($item) ? ($item['description'] ?? null) : null,
                        'sort_order' => ($index + 1) * 10,
                    ]);
                }
            });
    }

    public function toggle(ChecklistItem $item, User $user): ChecklistItem
    {
        $completed = ! $item->is_completed;
        $item->forceFill([
            'is_completed' => $completed,
            'completed_by' => $completed ? $user->id : null,
            'completed_at' => $completed ? now() : null,
        ])->save();

        return $item->fresh() ?? $item;
    }
}