<?php

namespace Tests\E2E\Services\Functions;

use Tests\E2E\Client;
use Tests\E2E\Scopes\ProjectCustom;
use Tests\E2E\Scopes\Scope;
use Tests\E2E\Scopes\SideClient;
use Utopia\Database\Helpers\ID;
use Utopia\Database\Helpers\Permission;
use Utopia\Database\Helpers\Role;
use Utopia\System\System;

class FunctionsCustomClientTest extends Scope
{
    use FunctionsBase;
    use ProjectCustom;
    use SideClient;

    public function testCreateFunction()
    {
        /**
         * Test for FAILURE
         */
        $function = $this->createFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'events' => [
                'users.*.create',
                'users.*.delete',
            ],
            'schedule' => '0 0 1 1 *',
            'timeout' => 10,
        ]);
        $this->assertEquals(401, $function['headers']['status-code']);


        /**
         * Test for DUPLICATE functionId
         */
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'execute' => [Role::user($this->getUser()['$id'])->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'events' => [
                'users.*.create',
                'users.*.delete',
            ],
            'timeout' => 10,
        ]);

        $response = $this->client->call(Client::METHOD_POST, '/functions', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
            'x-appwrite-key' => $this->getProject()['apiKey'],
        ]), [
            'functionId' => $functionId,
            'name' => 'Test',
            'execute' => [Role::user($this->getUser()['$id'])->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'events' => [
                'users.*.create',
                'users.*.delete',
            ],
            'timeout' => 10,
        ]);
        $this->assertEquals(409, $response['headers']['status-code']);
    }

    public function testCreateExecution()
    {
        /**
         * Test for SUCCESS
         */
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'execute' => [Role::user($this->getUser()['$id'])->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'events' => [
                'users.*.create',
                'users.*.delete',
            ],
            'timeout' => 10,
        ]);
        $this->setupDeployment($functionId, [
            'code' => $this->packageFunction('basic'),
            'activate' => true
        ]);

        // Deny create async execution as guest
        $execution = $this->client->call(Client::METHOD_POST, '/functions/' . $functionId . '/executions', [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], [
            'async' => true,
        ]);
        $this->assertEquals(401, $execution['headers']['status-code']);

        // Allow create async execution as user
        $execution = $this->createExecution($functionId, [
            'async' => true,
        ]);
        $this->assertEquals(202, $execution['headers']['status-code']);

        $this->cleanupFunction($functionId);
    }

    public function testCreateHeadExecution()
    {
        /**
         * Test for SUCCESS
         */
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'execute' => [Role::user($this->getUser()['$id'])->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'events' => [
                'users.*.create',
                'users.*.delete',
            ],
            'timeout' => 10,
        ]);
        $this->setupDeployment($functionId, [
            'code' => $this->packageFunction('basic'),
            'activate' => true
        ]);

        // Deny create async execution as guest
        $execution = $this->client->call(Client::METHOD_POST, '/functions/' . $functionId . '/executions', [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], [
            'async' => true,
        ]);
        $this->assertEquals(401, $execution['headers']['status-code']);

        // Allow create async execution as user
        $execution = $this->client->call(Client::METHOD_HEAD, '/functions/' . $functionId . '/executions', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'async' => true,
        ]);
        $this->assertEquals(200, $execution['headers']['status-code']);
        $this->assertEmpty($execution['body']);

        $this->cleanupFunction($functionId);
    }

    public function testCreateCustomExecution(): array
    {
        /**
         * Test for SUCCESS
         */
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'execute' => [Role::any()->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'timeout' => 10,
        ]);
        $deploymentId = $this->setupDeployment($functionId, [
            'code' => $this->packageFunction('basic'),
            'activate' => true
        ]);

        $execution = $this->createExecution($functionId, [
            'body' => 'foobar',
            'async' => 'false'
        ]);
        $output = json_decode($execution['body']['responseBody'], true);
        $this->assertEquals(201, $execution['headers']['status-code']);

        $this->assertNotEmpty($execution['body']['responseHeaders']);

        $executionIdHeader = null;
        foreach ($execution['body']['responseHeaders'] as $header) {
            if ($header['name'] === 'x-appwrite-execution-id') {
                $executionIdHeader = $header['value'];
                break;
            }
        }
        $this->assertNotEmpty($executionIdHeader);
        $this->assertEquals($execution['body']['$id'], $executionIdHeader);

        $this->assertEquals(200, $execution['body']['responseStatusCode']);
        $this->assertGreaterThan(0, $execution['body']['duration']);
        $this->assertEquals('completed', $execution['body']['status']);
        $this->assertEquals($functionId, $output['APPWRITE_FUNCTION_ID']);
        $this->assertEquals('Test', $output['APPWRITE_FUNCTION_NAME']);
        $this->assertEquals($deploymentId, $output['APPWRITE_FUNCTION_DEPLOYMENT']);
        $this->assertEquals('http', $output['APPWRITE_FUNCTION_TRIGGER']);
        $this->assertEquals('Node.js', $output['APPWRITE_FUNCTION_RUNTIME_NAME']);
        $this->assertEquals('22', $output['APPWRITE_FUNCTION_RUNTIME_VERSION']);
        $this->assertEquals(APP_VERSION_STABLE, $output['APPWRITE_VERSION']);
        $this->assertEquals(System::getEnv('_APP_REGION', 'default'), $output['APPWRITE_REGION']);
        $this->assertEquals('', $output['APPWRITE_FUNCTION_EVENT']);
        $this->assertEquals('foobar', $output['APPWRITE_FUNCTION_DATA']);
        $this->assertEquals($this->getUser()['$id'], $output['APPWRITE_FUNCTION_USER_ID']);
        $this->assertNotEmpty($output['APPWRITE_FUNCTION_JWT']);
        $this->assertEquals($this->getProject()['$id'], $output['APPWRITE_FUNCTION_PROJECT_ID']);

        $executionId = $execution['body']['$id'] ?? '';
        $this->assertNotEmpty($output['APPWRITE_FUNCTION_EXECUTION_ID']);
        $this->assertEquals($executionId, $output['APPWRITE_FUNCTION_EXECUTION_ID']);
        $this->assertNotEmpty($output['APPWRITE_FUNCTION_CLIENT_IP']);

        $execution = $this->createExecution($functionId, [
            'body' => 'foobar',
            'async' => true
        ]);
        $executionId = $execution['body']['$id'];
        $this->assertEquals(202, $execution['headers']['status-code']);

        $this->assertEventually(function () use ($functionId, $executionId) {
            $execution = $this->getExecution($functionId, $executionId);
            $this->assertEquals('completed', $execution['body']['status']);
            $this->assertEquals(200, $execution['body']['responseStatusCode']);
        }, 10000, 500);

        return [
            'functionId' => $functionId
        ];
    }

    public function testCreateCustomExecutionGuest()
    {
        /**
         * Test for SUCCESS
         */
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test guest execution',
            'execute' => [Role::any()->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'vars' => [
                'funcKey1' => 'funcValue1',
                'funcKey2' => 'funcValue2',
                'funcKey3' => 'funcValue3',
            ],
            'timeout' => 10,
        ]);
        $this->setupDeployment($functionId, [
            'code' => $this->packageFunction('basic'),
            'activate' => true
        ]);

        $execution = $this->client->call(Client::METHOD_POST, '/functions/' . $functionId . '/executions', [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], [
            'data' => 'foobar',
            'async' => true,
        ]);
        $this->assertEquals(202, $execution['headers']['status-code']);
    }

    public function testCreateExecutionNoDeployment()
    {
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'execute' => [],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'timeout' => 10,
        ]);

        $execution = $this->createExecution($functionId, [
            'async' => true
        ]);
        $this->assertEquals(404, $execution['headers']['status-code']);
    }

    public function testSynchronousExecution()
    {
        /**
         * Test for SUCCESS
         */
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test synchronous execution',
            'execute' => [Role::any()->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'timeout' => 10,
        ]);
        $deploymentId = $this->setupDeployment($functionId, [
            'code' => $this->packageFunction('basic'),
            'activate' => true
        ]);

        $execution = $this->createExecution($functionId, [
            'body' => 'foobar',
            // Testing default value, should be 'async' => 'false'
        ]);
        $output = json_decode($execution['body']['responseBody'], true);
        $this->assertEquals(201, $execution['headers']['status-code']);
        $this->assertEquals('completed', $execution['body']['status']);
        $this->assertEquals(200, $execution['body']['responseStatusCode']);
        $this->assertEquals($functionId, $output['APPWRITE_FUNCTION_ID']);
        $this->assertEquals('Test synchronous execution', $output['APPWRITE_FUNCTION_NAME']);
        $this->assertEquals($deploymentId, $output['APPWRITE_FUNCTION_DEPLOYMENT']);
        $this->assertEquals('http', $output['APPWRITE_FUNCTION_TRIGGER']);
        $this->assertEquals('Node.js', $output['APPWRITE_FUNCTION_RUNTIME_NAME']);
        $this->assertEquals('22', $output['APPWRITE_FUNCTION_RUNTIME_VERSION']);
        $this->assertEquals(APP_VERSION_STABLE, $output['APPWRITE_VERSION']);
        $this->assertEquals(System::getEnv('_APP_REGION', 'default'), $output['APPWRITE_REGION']);
        $this->assertEquals('', $output['APPWRITE_FUNCTION_EVENT']);
        $this->assertEquals('foobar', $output['APPWRITE_FUNCTION_DATA']);
        $this->assertEquals($this->getUser()['$id'], $output['APPWRITE_FUNCTION_USER_ID']);
        $this->assertNotEmpty($output['APPWRITE_FUNCTION_JWT']);
        $this->assertEquals($this->getProject()['$id'], $output['APPWRITE_FUNCTION_PROJECT_ID']);
        // Client should never see logs and errors
        $this->assertEmpty($execution['body']['logs']);
        $this->assertEmpty($execution['body']['errors']);

        $this->cleanupFunction($functionId);
    }

    public function testNonOverrideOfHeaders()
    {
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test',
            'execute' => [Role::any()->toString()],
            'runtime' => 'node-22',
            'entrypoint' => 'index.js'
        ]);
        $this->setupDeployment($functionId, [
            'entrypoint' => 'index.js',
            'code' => $this->packageFunction('basic'),
            'activate' => true
        ]);

        $execution = $this->client->call(Client::METHOD_POST, '/functions/' . $functionId . '/executions', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'x-appwrite-event' => "OVERRIDDEN",
            'x-appwrite-trigger' => "OVERRIDDEN",
            'x-appwrite-user-id' => "OVERRIDDEN",
            'x-appwrite-user-jwt' => "OVERRIDDEN",
        ]);

        $output = json_decode($execution['body']['responseBody'], true);
        $this->assertNotEquals('OVERRIDDEN', $output['APPWRITE_FUNCTION_JWT']);
        $this->assertNotEquals('OVERRIDDEN', $output['APPWRITE_FUNCTION_EVENT']);
        $this->assertNotEquals('OVERRIDDEN', $output['APPWRITE_FUNCTION_TRIGGER']);
        $this->assertNotEquals('OVERRIDDEN', $output['APPWRITE_FUNCTION_USER_ID']);


        $this->cleanupFunction($functionId);
    }

    public function testListTemplates()
    {
        /**
         * Test for SUCCESS
         */
        // List all templates
        $templates = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()));

        $this->assertEquals(200, $templates['headers']['status-code']);
        $this->assertGreaterThan(0, $templates['body']['total']);
        $this->assertIsArray($templates['body']['templates']);

        /**
         * Test for SUCCESS with total=false
         */
        $templatesWithIncludeTotalFalse = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'total' => false
        ]);

        $this->assertEquals(200, $templatesWithIncludeTotalFalse['headers']['status-code']);
        $this->assertIsArray($templatesWithIncludeTotalFalse['body']);
        $this->assertIsArray($templatesWithIncludeTotalFalse['body']['templates']);
        $this->assertIsInt($templatesWithIncludeTotalFalse['body']['total']);
        $this->assertEquals(0, $templatesWithIncludeTotalFalse['body']['total']);
        $this->assertGreaterThan(0, count($templatesWithIncludeTotalFalse['body']['templates']));

        foreach ($templates['body']['templates'] as $template) {
            $this->assertArrayHasKey('name', $template);
            $this->assertArrayHasKey('id', $template);
            $this->assertArrayHasKey('icon', $template);
            $this->assertArrayHasKey('tagline', $template);
            $this->assertArrayHasKey('useCases', $template);
            $this->assertArrayHasKey('vcsProvider', $template);
            $this->assertArrayHasKey('runtimes', $template);
            $this->assertArrayHasKey('variables', $template);
        }

        // List templates with pagination
        $templatesOffset = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'limit' => 1,
            'offset' => 2
        ]);
        $this->assertEquals(200, $templatesOffset['headers']['status-code']);
        $this->addToAssertionCount(1, $templatesOffset['body']['templates']);
        $this->assertEquals($templates['body']['templates'][2]['id'], $templatesOffset['body']['templates'][0]['id']);

        // List templates with filters
        $templates = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'useCases' => ['starter', 'ai'],
            'runtimes' => ['node-22']
        ]);
        $this->assertEquals(200, $templates['headers']['status-code']);
        $this->assertGreaterThanOrEqual(3, $templates['body']['total']);
        $this->assertIsArray($templates['body']['templates']);
        foreach ($templates['body']['templates'] as $template) {
            $this->assertContains($template['useCases'][0], ['starter', 'ai']);
        }
        $this->assertArrayHasKey('runtimes', $templates['body']['templates'][0]);

        foreach ($templates['body']['templates'] as $template) {
            $this->assertThat(
                \array_column($template['runtimes'], 'name'),
                $this->logicalOr(
                    $this->containsEqual('node-22'),
                ),
            );
        }

        // List templates with pagination and filters
        $templates = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'limit' => 5,
            'offset' => 2,
            'useCases' => ['databases'],
            'runtimes' => ['node-22']
        ]);

        $this->assertEquals(200, $templates['headers']['status-code']);
        $this->assertCount(5, $templates['body']['templates']);
        $this->assertIsArray($templates['body']['templates']);
        $this->assertArrayHasKey('runtimes', $templates['body']['templates'][0]);

        foreach ($templates['body']['templates'] as $template) {
            $this->assertContains($template['useCases'][0], ['databases']);
        }

        $this->assertContains('node-22', array_column($templates['body']['templates'][0]['runtimes'], 'name'));

        /**
         * Test for FAILURE
         */
        // List templates with invalid limit
        $templates = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'limit' => 5001,
            'offset' => 10,
        ]);
        $this->assertEquals(400, $templates['headers']['status-code']);

        // List templates with invalid offset
        $templates = $this->client->call(Client::METHOD_GET, '/functions/templates', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'limit' => 5,
            'offset' => 5001,
        ]);
        $this->assertEquals(400, $templates['headers']['status-code']);
    }

    public function testGetTemplate()
    {
        /**
         * Test for SUCCESS
         */
        $template = $this->getTemplate('query-neo4j-auradb');
        $this->assertEquals(200, $template['headers']['status-code']);
        $this->assertIsArray($template['body']);
        $this->assertEquals('query-neo4j-auradb', $template['body']['id']);
        $this->assertEquals('Query Neo4j AuraDB', $template['body']['name']);
        $this->assertEquals('icon-neo4j', $template['body']['icon']);
        $this->assertEquals('Graph database with focus on relations between data.', $template['body']['tagline']);
        $this->assertEquals(['databases'], $template['body']['useCases']);
        $this->assertEquals('github', $template['body']['vcsProvider']);
        $this->assertIsArray($template['body']['runtimes']);
        $this->assertIsArray($template['body']['scopes']);

        /**
         * Test for FAILURE
         */
        $template = $this->getTemplate('invalid-template-id');
        $this->assertEquals(404, $template['headers']['status-code']);
    }

    /**
     * Test that event-triggered functions work when the triggering request
     * comes from a client SDK (session auth) that doesn't have permission
     * to read the functions collection.
     */
    public function testEventTriggerWithClientAuth()
    {
        $functionId = $this->setupFunction([
            'functionId' => ID::unique(),
            'name' => 'Test Client Event Trigger',
            'runtime' => 'node-22',
            'entrypoint' => 'index.js',
            'events' => [
                'databases.*.collections.*.documents.*.create',
            ],
            'timeout' => 15,
        ]);

        $this->setupDeployment($functionId, [
            'code' => $this->packageFunction('event-handler'),
            'activate' => true
        ]);

        $database = $this->client->call(Client::METHOD_POST, '/databases', [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
            'x-appwrite-key' => $this->getProject()['apiKey'],
        ], [
            'databaseId' => ID::unique(),
            'name' => 'Test Database',
        ]);
        $this->assertEquals(201, $database['headers']['status-code']);
        $databaseId = $database['body']['$id'];

        $collection = $this->client->call(Client::METHOD_POST, '/databases/' . $databaseId . '/collections', [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
            'x-appwrite-key' => $this->getProject()['apiKey'],
        ], [
            'collectionId' => ID::unique(),
            'name' => 'Test Collection',
            'permissions' => [
                Permission::create(Role::users()),
            ],
            'documentSecurity' => false,
        ]);
        $this->assertEquals(201, $collection['headers']['status-code']);
        $collectionId = $collection['body']['$id'];

        $attribute = $this->client->call(Client::METHOD_POST, '/databases/' . $databaseId . '/collections/' . $collectionId . '/attributes/string', [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
            'x-appwrite-key' => $this->getProject()['apiKey'],
        ], [
            'key' => 'name',
            'size' => 255,
            'required' => false,
        ]);
        $this->assertEquals(202, $attribute['headers']['status-code']);

        sleep(2);

        $document = $this->client->call(Client::METHOD_POST, '/databases/' . $databaseId . '/collections/' . $collectionId . '/documents', array_merge([
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
        ], $this->getHeaders()), [
            'documentId' => ID::unique(),
            'data' => ['name' => 'Test Document'],
        ]);
        $this->assertEquals(201, $document['headers']['status-code']);
        $documentId = $document['body']['$id'];

        $this->assertEventually(function () use ($functionId, $documentId) {
            $executions = $this->client->call(Client::METHOD_GET, '/functions/' . $functionId . '/executions', [
                'content-type' => 'application/json',
                'x-appwrite-project' => $this->getProject()['$id'],
                'x-appwrite-key' => $this->getProject()['apiKey'],
            ]);

            $this->assertEquals(200, $executions['headers']['status-code']);
            $this->assertGreaterThan(0, count($executions['body']['executions']), 'Function should have been triggered by document creation');

            $lastExecution = $executions['body']['executions'][0];
            $this->assertEquals('completed', $lastExecution['status']);
            $this->assertEquals(204, $lastExecution['responseStatusCode']);
            $this->assertStringContainsString($documentId, $lastExecution['logs']);
        }, 20000, 500);

        $this->client->call(Client::METHOD_DELETE, '/databases/' . $databaseId, [
            'content-type' => 'application/json',
            'x-appwrite-project' => $this->getProject()['$id'],
            'x-appwrite-key' => $this->getProject()['apiKey'],
        ]);

        $this->cleanupFunction($functionId);
    }
}