<?php

declare(strict_types=1);

namespace App\Tests\Unit\Infrastructure\AI\Agent;

use App\Domain\Article\ArticleType;
use App\Domain\Article\AttributeDefinition;
use App\Domain\Article\AttributeType;
use App\Domain\AI\PromptTemplate;
use App\Domain\AI\Repository\PromptTemplateRepositoryInterface;
use App\Infrastructure\AI\Agent\JsonCodingAgent;
use App\Infrastructure\AI\OllamaClientInterface;
use App\Infrastructure\AI\PromptTemplateService;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;

final class JsonCodingAgentTest extends TestCase
{
    private OllamaClientInterface&MockObject $ollama;
    private JsonCodingAgent $agent;
    private ArticleType $type;

    protected function setUp(): void
    {
        $this->ollama = $this->createMock(OllamaClientInterface::class);

        $repo = $this->createMock(PromptTemplateRepositoryInterface::class);
        $repo->method('findByKey')->willReturn(new PromptTemplate('json_coding', '{{schema}}{{missingHint}}{{specsText}}'));
        $prompts = new PromptTemplateService($repo);

        $this->agent = new JsonCodingAgent($this->ollama, $prompts, 'llama3.2');
        $this->type = new ArticleType('Notebook');
        $ramDef = new AttributeDefinition('RAM', AttributeType::String);
        $this->type->addAttributeDefinition($ramDef);
    }

    public function testReturnsParsedAttributes(): void
    {
        $first = $this->type->getAttributeDefinitions()->first();
        \assert($first instanceof AttributeDefinition);
        $defId = $first->getId()->toRfc4122();
        $this->ollama->method('generate')
            ->willReturn('```json'."\n".'{"'.$defId.'": "16 GB"}'."\n".'```');

        $result = $this->agent->encode($this->type, 'Dell Latitude 5520: 16 GB RAM, Intel i7');

        self::assertCount(1, $result);
        self::assertSame('16 GB', array_values($result)[0]);
    }

    public function testExtractsJsonFromMarkdownFences(): void
    {
        $first = $this->type->getAttributeDefinitions()->first();
        \assert($first instanceof AttributeDefinition);
        $defId = $first->getId()->toRfc4122();
        $this->ollama->method('generate')
            ->willReturn("Here is the JSON:\n```json\n{\"{$defId}\": \"16 GB\"}\n```\nDone.");

        $result = $this->agent->encode($this->type, 'Specs text');

        self::assertArrayHasKey($defId, $result);
    }
}