<?php

namespace Database\Seeders;

use App\Models\ActivityLog;
use App\Models\Equipment;
use App\Models\Priority;
use App\Models\RequestComment;
use App\Models\RequestType;
use App\Models\ServiceRequest;
use App\Models\Status;
use App\Models\User;
use Illuminate\Database\Seeder;

class ServiceRequestSeeder extends Seeder
{
    public function run(): void
    {
        $types = RequestType::query()->get();
        $priorities = Priority::query()->orderBy('level')->get();
        $statuses = Status::query()->get();
        $clients = User::query()->where('role', 'client')->get();
        $techs = User::query()->where('role', 'technician')->get();
        $equipment = Equipment::query()->get();

        for ($i = 1; $i <= 25; $i++) {
            $type = $types->random();
            $priority = $priorities->random();
            $status = $statuses->random();
            $client = $clients->random();
            $assignee = $techs->random();
            $createdAt = now()->subDays(rand(0, 20))->subHours(rand(0, 23));
            $deadlineAt = (clone $createdAt)->addHours($type->sla_hours);

            $request = ServiceRequest::query()->create([
                'ticket_number' => sprintf('SRV-%04d', $i),
                'title' => fake()->randomElement([
                    'Не включается рабочая станция',
                    'Проблема с печатью документов',
                    'Нет доступа к корпоративной сети',
                    'Требуется установка ПО',
                    'Сильный шум вентилятора',
                ]),
                'description' => fake()->paragraph(3),
                'type_id' => $type->id,
                'priority_id' => $priority->id,
                'status_id' => $status->id,
                'client_id' => $client->id,
                'assigned_to' => $assignee->id,
                'equipment_id' => rand(0, 100) > 20 ? $equipment->random()?->id : null,
                'location' => fake()->randomElement(['Офис 101', 'Офис 204', 'Склад', 'Переговорная 2']),
                'planned_at' => rand(0, 100) > 50 ? $createdAt->copy()->addHours(rand(2, 24)) : null,
                'deadline_at' => $deadlineAt,
                'started_at' => rand(0, 100) > 40 ? $createdAt->copy()->addHours(rand(1, 8)) : null,
                'completed_at' => $status->is_final ? $deadlineAt->copy()->subHours(rand(0, 6)) : null,
                'resolution_notes' => $status->slug === 'resolved' || $status->slug === 'closed'
                    ? fake()->sentence(12)
                    : null,
                'client_rating' => $status->slug === 'closed' ? rand(3, 5) : null,
                'client_comment' => $status->slug === 'closed' ? fake()->sentence() : null,
                'created_at' => $createdAt,
                'updated_at' => now(),
            ]);

            for ($commentIndex = 1; $commentIndex <= rand(1, 3); $commentIndex++) {
                $author = rand(0, 1) ? $client : $assignee;
                RequestComment::query()->create([
                    'request_id' => $request->id,
                    'user_id' => $author->id,
                    'body' => fake()->sentence(rand(10, 20)),
                    'is_internal' => $author->role !== 'client' && rand(0, 100) > 60,
                    'created_at' => $createdAt->copy()->addHours($commentIndex),
                    'updated_at' => $createdAt->copy()->addHours($commentIndex),
                ]);
            }

            ActivityLog::query()->create([
                'user_id' => $assignee->id,
                'model_type' => ServiceRequest::class,
                'model_id' => $request->id,
                'action' => 'created',
                'description' => "Создана заявка {$request->ticket_number}",
                'ip_address' => '127.0.0.1',
                'created_at' => $createdAt,
            ]);
        }
    }
}