<?php

namespace Tests\Feature;

use CodeIgniter\Test\FeatureTestTrait;
use CodeIgniter\Test\CIUnitTestCase;
use Firebase\JWT\JWT;

class TestsControllerTest extends CIUnitTestCase
{
    use FeatureTestTrait;

    protected $token;

    protected function setUp(): void
    {
        parent::setUp();
        
        // Generate JWT Token
        $key = getenv('JWT_SECRET') ?: 'my-secret-key';
        $payload = [
            'iss' => 'localhost',
            'aud' => 'localhost',
            'iat' => time(),
            'nbf' => time(),
            'exp' => time() + 3600,
            'uid' => 1,
            'email' => 'admin@admin.com'
        ];
        $this->token = JWT::encode($payload, $key, 'HS256');
    }

    protected function callProtected($method, $path, $params = [])
    {
        return $this->withHeaders(['Cookie' => 'token=' . $this->token])
                    ->call($method, $path, $params);
    }

    public function testIndexReturnsSuccess()
    {
        $result = $this->callProtected('get', 'api/tests');

        $result->assertStatus(200);
        $json = $result->getJSON();
        $data = json_decode($json, true);

        $this->assertEquals('success', $data['status']);
        $this->assertIsArray($data['data']);
    }

    public function testShowReturnsDataIfFound()
    {
        // First get an ID
        $indexResult = $this->callProtected('get', 'api/tests');
        $indexData = json_decode($indexResult->getJSON(), true);
        
        if (empty($indexData['data'])) {
            $this->markTestSkipped('No test definitions found in database to test show.');
        }

        $id = $indexData['data'][0]['TestSiteID'];
        $result = $this->callProtected('get', "api/tests/$id");

        $result->assertStatus(200);
        $json = $result->getJSON();
        $data = json_decode($json, true);

        $this->assertEquals('success', $data['status']);
        $this->assertIsArray($data['data']);
        $this->assertEquals($id, $data['data']['TestSiteID']);
    }

    public function testCreateTestWithThreshold()
    {
        $testData = [
            'TestSiteCode' => 'TH' . substr(time(), -4),
            'TestSiteName' => 'Threshold Test ' . time(),
            'TestType' => 'TEST',
            'SiteID' => 1,
            'details' => [
                'RefType' => 'THOLD',
                'ResultType' => 'NMRIC'
            ],
            'refnum' => [
                [
                    'NumRefType' => 'THOLD',
                    'RangeType' => 'VALUE',
                    'Sex' => '1',
                    'AgeStart' => 0,
                    'AgeEnd' => 100,
                    'LowSign' => '>',
                    'Low' => 5.5,
                    'Interpretation' => 'High'
                ]
            ]
        ];

        $result = $this->withHeaders(['Cookie' => 'token=' . $this->token])
                       ->withBody(json_encode($testData))
                       ->call('post', 'api/tests');

        $result->assertStatus(201);
        $json = $result->getJSON();
        $data = json_decode($json, true);
        
        $this->assertEquals('created', $data['status']);
        $id = $data['data']['TestSiteId'];

        // Verify retrieval
        $showResult = $this->callProtected('get', "api/tests/$id");
        $showData = json_decode($showResult->getJSON(), true);
        
        $this->assertArrayHasKey('refnum', $showData['data']);
        $this->assertCount(1, $showData['data']['refnum']);
        $this->assertEquals(5.5, $showData['data']['refnum'][0]['Low']);
        $this->assertEquals('High', $showData['data']['refnum'][0]['Interpretation']);
    }
}