<?php

namespace App\Services\WeldLogTriggers\Triggers;

use App\Services\WeldLogTriggers\Base\BaseTrigger;
use Illuminate\Support\Facades\Log;

/**
 * Test Pack Sync Trigger
 * 
 * Syncs weld log data to test packages when test_package_no changes or new record is inserted.
 * This trigger calls the sync view with specific test_package_no filter.
 */
class TestPackSyncTrigger extends BaseTrigger
{
    public function getName(): string
    {
        return 'Test Pack Sync from WeldLog';
    }
    
    public function getOrder(): int
    {
        return 8; // Run before TestPackBaseStatusChangerTrigger (order 9)
    }
    
    public function getDependentFields(): array
    {
        return [
            'test_package_no',
            'iso_number',
            'welding_date',
            'type_of_joint',
            'nps_1',
            'design_area',
            'piping_type',
            'circuit_number',
            'p_id',
            'type_of_test',
            'test_pressure',
            'no_of_the_joint_as_per_as_built_survey', // golden joints
            'quantity_of_iso',
            // NDT test dates
            'rt_test_date',
            'ut_test_date',
            'pwht_test_date',
            'pmi_test_date',
            'ferrite_test_date',
            'pt_test_date',
            'mt_test_date',
            'vt_test_date',
            // NDT Request Dates and Numbers
            'rt_request_date', 'rt_request_no',
            'ut_request_date', 'ut_request_no',
            'mt_request_no', 'mt_request_date',
            'pt_request_no', 'pt_request_date',
            'vt_request_no', 'vt_request_date',
            'pwht_request_no', 'pwht_request_date',
            'ferrite_request_no', 'ferrite_request_date',
            'pmi_request_no', 'pmi_request_date',
            'ht_request_no', 'ht_request_date',
        ];
    }
    
    /**
     * Static registry to track already synced test packages in the current process
     * to avoid redundant heavy sync calls.
     */
    protected static $isSynced = [];
    protected static $lastJobId = null;

    protected function process($data, $beforeData, array $context): array
    {
        // Get current job ID if running in queue
        $currentJobId = 'manual';
        if (\Illuminate\Support\Facades\Request::header('X-Laravel-Job-Id')) {
            $currentJobId = \Illuminate\Support\Facades\Request::header('X-Laravel-Job-Id');
        } elseif (function_exists('app') && app()->bound(\Illuminate\Contracts\Queue\Job::class)) {
            try {
                $currentJobId = resolve(\Illuminate\Contracts\Queue\Job::class)->getJobId();
            } catch (\Throwable $e) {
                // Fallback if resolution fails despite being bound
            }
        }

        // Reset registry if this is a new job
        if (self::$lastJobId !== $currentJobId) {
            self::$isSynced = [];
            self::$lastJobId = $currentJobId;
        }

        $changedFields = $context['changed_fields'] ?? [];
        $isNewRecord = $context['is_new_record'] ?? false;
        
        // Collect all test package numbers that need to be synced
        $testPackageNosToSync = [];
        
        // Current test package
        $currentTestPackageNo = $data->test_package_no;
        if (!empty($currentTestPackageNo)) {
            // Check if already synced in this process
            if (!isset(self::$isSynced[$currentTestPackageNo])) {
                $testPackageNosToSync[] = $currentTestPackageNo;
            }
        }
        
        // If test_package_no changed, also sync the old test package
        if (in_array('test_package_no', $changedFields) && $beforeData && !empty($beforeData->test_package_no)) {
            $oldTestPackageNo = $beforeData->test_package_no;
            if ($oldTestPackageNo !== $currentTestPackageNo && !in_array($oldTestPackageNo, $testPackageNosToSync)) {
                if (!isset(self::$isSynced[$oldTestPackageNo])) {
                    $testPackageNosToSync[] = $oldTestPackageNo;
                }
                Log::info("TestPackSync: test_package_no changed, will sync both old and new", [
                    'old_test_package_no' => $oldTestPackageNo,
                    'new_test_package_no' => $currentTestPackageNo,
                    'weld_log_id' => $data->id
                ]);
            }
        }
        
        // If no test packages to sync, return early
        if (empty($testPackageNosToSync)) {
            Log::info("TestPackSync: No test packages to sync", [
                'weld_log_id' => $data->id,
                'test_package_no' => $currentTestPackageNo
            ]);
            return [
                'success' => true,
                'synced' => 0,
                'reason' => 'no_test_package'
            ];
        }
        
        $syncedCount = 0;
        $errors = [];
        
        // Sync each test package
        foreach ($testPackageNosToSync as $testPackageNo) {
            try {
                // Mark as synced before calling the view to prevent re-entry/collision
                self::$isSynced[$testPackageNo] = true;

                // Call the sync view with specific test_package_no
                $result = view('cron.weld_logs-sync-from-weldlog-to-test-pack', [
                    'test_package_no' => $testPackageNo
                ])->render();
                
                Log::info("TestPackSync: Sync completed for test package", [
                    'test_package_no' => $testPackageNo,
                    'weld_log_id' => $data->id
                ]);
                
                $syncedCount++;
                
            } catch (\Throwable $th) {
                Log::error("TestPackSync: Sync failed for test package (non-critical)", [
                    'test_package_no' => $testPackageNo,
                    'weld_log_id' => $data->id,
                    'error' => $th->getMessage(),
                    'file' => $th->getFile(),
                    'line' => $th->getLine()
                ]);
                
                $errors[] = [
                    'test_package_no' => $testPackageNo,
                    'error' => $th->getMessage()
                ];
            }
        }
        
        return [
            'success' => empty($errors),
            'synced' => $syncedCount,
            'test_packages_synced' => $testPackageNosToSync,
            'errors' => $errors
        ];
    }
}