<?php

declare(strict_types=1);

namespace OpenTelemetry\Tests\Integration\SDK\Resource;

use AssertWell\PHPUnitGlobalState\EnvironmentVariables;
use OpenTelemetry\SDK\Resource\ResourceInfoFactory;
use OpenTelemetry\SemConv\ResourceAttributes;
use PHPUnit\Framework\TestCase;

/**
 * @coversNothing
 */
class ResourceInfoFactoryTest extends TestCase
{
    use EnvironmentVariables;

    public function tearDown(): void
    {
        $this->restoreEnvironmentVariables();
    }

    public function test_all_default_resources(): void
    {
        $resource = ResourceInfoFactory::defaultResource();

        $this->assertSame(ResourceAttributes::SCHEMA_URL, $resource->getSchemaUrl());

        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::HOST_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::HOST_ARCH));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_TYPE));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_DESCRIPTION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_VERSION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_PID));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_EXECUTABLE_PATH));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND_ARGS));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_VERSION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_VERSION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));

        $this->assertEquals('opentelemetry', $resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertEquals('php', $resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertEquals('unknown_service:php', $resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));
    }

    public function test_none_default_resources(): void
    {
        $this->setEnvironmentVariable('OTEL_PHP_DETECTORS', 'none');

        $resource = ResourceInfoFactory::defaultResource();

        $this->assertNull($resource->getSchemaUrl());

        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_ARCH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_TYPE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_DESCRIPTION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_PID));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_EXECUTABLE_PATH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND_ARGS));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));
    }

    public function test_env_default_resources(): void
    {
        $this->setEnvironmentVariable('OTEL_PHP_DETECTORS', 'env');
        $this->setEnvironmentVariable('OTEL_SERVICE_NAME', 'test-service');

        $resource = ResourceInfoFactory::defaultResource();

        $this->assertSame(ResourceAttributes::SCHEMA_URL, $resource->getSchemaUrl());

        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_ARCH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_TYPE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_DESCRIPTION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_PID));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_EXECUTABLE_PATH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND_ARGS));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_VERSION));

        $this->assertEquals('test-service', $resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));
    }

    public function test_os_and_host_default_resources(): void
    {
        $this->setEnvironmentVariable('OTEL_PHP_DETECTORS', 'os,host');

        $resource = ResourceInfoFactory::defaultResource();

        $this->assertSame(ResourceAttributes::SCHEMA_URL, $resource->getSchemaUrl());

        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::HOST_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::HOST_ARCH));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_TYPE));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_DESCRIPTION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::OS_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_PID));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_EXECUTABLE_PATH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND_ARGS));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));
    }

    public function test_process_and_process_runtime_default_resources(): void
    {
        $this->setEnvironmentVariable('OTEL_PHP_DETECTORS', 'process,process_runtime');

        $resource = ResourceInfoFactory::defaultResource();

        $this->assertSame(ResourceAttributes::SCHEMA_URL, $resource->getSchemaUrl());

        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_ARCH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_TYPE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_DESCRIPTION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_VERSION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_PID));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_EXECUTABLE_PATH));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND_ARGS));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));
    }

    public function test_sdk_and_sdk_provided_default_resources(): void
    {
        $this->setEnvironmentVariable('OTEL_PHP_DETECTORS', 'sdk,sdk_provided');

        $resource = ResourceInfoFactory::defaultResource();

        $this->assertSame(ResourceAttributes::SCHEMA_URL, $resource->getSchemaUrl());

        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::HOST_ARCH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_TYPE));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_DESCRIPTION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::OS_VERSION));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_PID));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_EXECUTABLE_PATH));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_COMMAND_ARGS));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_NAME));
        $this->assertNull($resource->getAttributes()->get(ResourceAttributes::PROCESS_RUNTIME_VERSION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_VERSION));
        $this->assertNotNull($resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));

        $this->assertEquals('opentelemetry', $resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_NAME));
        $this->assertEquals('php', $resource->getAttributes()->get(ResourceAttributes::TELEMETRY_SDK_LANGUAGE));
        $this->assertEquals('unknown_service:php', $resource->getAttributes()->get(ResourceAttributes::SERVICE_NAME));
    }
}