<?php

declare(strict_types=1);

namespace Modules\Helpdesk\Tests\Feature;

use Illuminate\Foundation\Testing\RefreshDatabase;
use Modules\Helpdesk\Services\AgentAssignmentService;
use Modules\Helpdesk\Tests\Concerns\BuildsHelpdeskFixtures;
use Tests\TestCase;

final class AgentAssignmentTest extends TestCase
{
    use BuildsHelpdeskFixtures;
    use RefreshDatabase;

    public function test_assignment_selects_least_loaded_agent(): void
    {
        $fixtures = $this->seedLookupData();
        $busy = $this->agent(['name' => 'Busy Agent']);
        $quiet = $this->agent(['name' => 'Quiet Agent']);
        $this->ticket(['agent' => $busy, 'status_id' => $fixtures['open']->id, 'priority_id' => $fixtures['normal']->id]);
        $this->ticket(['agent' => $busy, 'status_id' => $fixtures['open']->id, 'priority_id' => $fixtures['normal']->id]);

        $selected = app(AgentAssignmentService::class)->selectAgentId(null);

        self::assertSame($quiet->id, $selected);
    }

    public function test_assignment_prefers_category_agents_when_category_has_agents(): void
    {
        $fixtures = $this->seedLookupData();
        $generalAgent = $this->agent(['name' => 'General Agent']);
        $categoryAgent = $this->agent(['name' => 'Category Agent']);
        $fixtures['category']->agents()->attach($categoryAgent->id);
        $this->ticket(['agent' => $generalAgent, 'status_id' => $fixtures['open']->id, 'priority_id' => $fixtures['normal']->id]);

        $selected = app(AgentAssignmentService::class)->selectAgentId($fixtures['category']->id);

        self::assertSame($categoryAgent->id, $selected);
    }
}