<?php
/************************************************************************
 * LegalAssistance Extension — AfterInstall
 *
 * 1. Deploy plugin files to ai-gateway plugins/ directory
 * 2. Create DocumentTemplate for the direct access report
 * 3. Clear cache
 ************************************************************************/

use Espo\Core\Container;
use Espo\Core\DataManager;
use Espo\Core\ORM\EntityManager;
use Espo\Core\Utils\Config;
use Espo\Core\Utils\Log;

class AfterInstall
{
    public function run(Container $container): void
    {
        /** @var EntityManager $entityManager */
        $entityManager = $container->getByClass(EntityManager::class);
        /** @var Log $log */
        $log = $container->getByClass(Log::class);

        $log->info('LegalAssistance: Running AfterInstall...');

        // 1. Deploy ai-gateway plugin files
        $this->deployPluginFiles($log);

        // 2. Create DocumentTemplate
        $this->createDocumentTemplate($entityManager, $log);

        // 3. Clear cache
        try {
            $dataManager = $container->getByClass(DataManager::class);
            $dataManager->clearCache();
            $log->info('LegalAssistance: Cache cleared.');
        } catch (\Throwable $e) {
            $log->warning('LegalAssistance: Cache clear failed: ' . $e->getMessage());
        }

        $log->info('LegalAssistance: AfterInstall completed.');
    }

    private function deployPluginFiles(Log $log): void
    {
        // Source: extension's plugins/ directory (relative to EspoCRM root after install)
        $sourceDir = 'custom/Espo/Modules/LegalAssistance/../../../../../../plugins/legal-assistance';

        // Try common ai-gateway locations
        $gatewayPaths = [
            '/home/chaim/ai-gateway/plugins/legal-assistance',
            '/opt/ai-gateway/plugins/legal-assistance',
        ];

        // Find actual source files within the extension package
        $extPluginDir = __DIR__ . '/../plugins/legal-assistance';

        if (!is_dir($extPluginDir)) {
            $log->warning("LegalAssistance: Plugin source directory not found at {$extPluginDir}");
            return;
        }

        foreach ($gatewayPaths as $targetDir) {
            $parentDir = dirname($targetDir);
            if (!is_dir($parentDir)) {
                continue;
            }

            if (!is_dir($targetDir)) {
                mkdir($targetDir, 0755, true);
            }

            $files = ['tools.json', 'prompts.json'];
            foreach ($files as $file) {
                $src = $extPluginDir . '/' . $file;
                $dst = $targetDir . '/' . $file;
                if (file_exists($src)) {
                    copy($src, $dst);
                    $log->info("LegalAssistance: Deployed {$file} to {$targetDir}");
                }
            }

            $log->info("LegalAssistance: Plugin files deployed to {$targetDir}");
            return;
        }

        $log->warning('LegalAssistance: Could not find ai-gateway plugins directory. Deploy manually.');
    }

    private function createDocumentTemplate(EntityManager $entityManager, Log $log): void
    {
        // Check if template already exists
        $existing = $entityManager
            ->getRDBRepository('DocumentTemplate')
            ->where(['name' => 'דוח גישה ישירה'])
            ->findOne();

        if ($existing) {
            $log->info('LegalAssistance: DocumentTemplate already exists, skipping.');
            return;
        }

        // Find the template DOCX file
        $templateFile = __DIR__ . '/../templates/direct-access-report.docx';
        if (!file_exists($templateFile)) {
            $log->warning("LegalAssistance: Template file not found at {$templateFile}");
            return;
        }

        // Create attachment for the template file
        $contents = file_get_contents($templateFile);

        $attachment = $entityManager->getNewEntity('Attachment');
        $attachment->set([
            'name' => 'direct-access-report.docx',
            'type' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'role' => 'Attachment',
            'size' => strlen($contents),
        ]);
        $entityManager->saveEntity($attachment);

        // Write file to storage
        $filePath = 'data/upload/' . $attachment->getId();
        file_put_contents($filePath, $contents);

        // Create DocumentTemplate entity
        $template = $entityManager->getNewEntity('DocumentTemplate');
        $template->set([
            'name' => 'דוח גישה ישירה',
            'entityType' => 'Case',
            'fileId' => $attachment->getId(),
        ]);
        $entityManager->saveEntity($template);

        $log->info("LegalAssistance: DocumentTemplate created: {$template->getId()}");
    }
}