<?php
/**
 * One-time migration script to convert Formidable job submission entries to job_offer posts
 *
 * Run this file once via: wp eval-file migrate-job-entries.php
 *
 * @package DDHH_Job_Manager
 */

// Make sure we're running in WordPress context
if ( ! defined( 'ABSPATH' ) ) {
	// Try to load WordPress
	$wp_load = dirname( __FILE__ ) . '/../../../wp-load.php';
	if ( file_exists( $wp_load ) ) {
		require_once $wp_load;
	} else {
		die( 'Could not find WordPress. Please run via WP-CLI: wp eval-file migrate-job-entries.php' );
	}
}

// Check if Formidable is available
if ( ! class_exists( 'FrmForm' ) || ! class_exists( 'FrmEntry' ) || ! class_exists( 'FrmField' ) ) {
	die( "Error: Formidable Forms is not active.\n" );
}

// Get the job submission form
$form = FrmForm::getOne( 'job_submission' );
if ( ! $form ) {
	die( "Error: Job submission form not found.\n" );
}

$form_id = $form->id;
echo "Found job submission form with ID: {$form_id}\n";

// Get all entries for this form using global $wpdb
global $wpdb;
$entry_table = $wpdb->prefix . 'frm_items';
$entry_ids = $wpdb->get_col( $wpdb->prepare(
	"SELECT id FROM {$entry_table} WHERE form_id = %d ORDER BY created_at ASC",
	$form_id
) );

if ( empty( $entry_ids ) ) {
	die( "No entries found to migrate.\n" );
}

// Load full entry objects
$entries = array();
foreach ( $entry_ids as $entry_id ) {
	$entry = FrmEntry::getOne( $entry_id );
	if ( $entry ) {
		$entries[] = $entry;
	}
}

echo "Found " . count( $entries ) . " entries to migrate.\n\n";

$migrated = 0;
$skipped = 0;
$errors = 0;

foreach ( $entries as $entry ) {
	echo "Processing entry #{$entry->id}...\n";

	// Get full entry with meta data
	$full_entry = FrmEntry::getOne( $entry->id, true );
	if ( ! $full_entry ) {
		echo "  ERROR: Could not load entry data\n";
		$errors++;
		continue;
	}

	// Check if this entry has already been migrated by checking if a post exists
	// We'll check if there's a post with the same author and created around the same time
	$entry_user_id = absint( $entry->user_id );
	if ( empty( $entry_user_id ) ) {
		echo "  SKIPPED: Entry has no user_id\n";
		$skipped++;
		continue;
	}

	// Extract field values
	$job_title         = '';
	$job_description   = '';
	$job_location      = '';
	$job_type          = '';
	$job_deadline      = '';
	$job_contact_email = '';
	$job_logo          = '';

	foreach ( $full_entry->metas as $field_id => $value ) {
		$field = FrmField::getOne( $field_id );
		if ( ! $field ) {
			continue;
		}

		switch ( $field->field_key ) {
			case 'job_title':
				$job_title = sanitize_text_field( $value );
				break;
			case 'job_description':
				$job_description = wp_kses_post( $value );
				break;
			case 'job_location':
				$job_location = sanitize_text_field( $value );
				break;
			case 'job_type':
				$job_type = sanitize_text_field( $value );
				break;
			case 'job_deadline':
				$job_deadline = sanitize_text_field( $value );
				break;
			case 'job_contact_email':
				$job_contact_email = sanitize_email( $value );
				break;
			case 'job_logo':
				$job_logo = $value; // File ID
				break;
		}
	}

	// Validate required fields
	if ( empty( $job_title ) ) {
		echo "  SKIPPED: Missing job title\n";
		$skipped++;
		continue;
	}

	// Check if a post with this title and author already exists
	$existing_post = get_posts( array(
		'post_type'   => 'job_offer',
		'post_status' => 'any',
		'author'      => $entry_user_id,
		'title'       => $job_title,
		'numberposts' => 1,
	) );

	if ( ! empty( $existing_post ) ) {
		echo "  SKIPPED: Post already exists (ID: {$existing_post[0]->ID})\n";
		$skipped++;
		continue;
	}

	// Create job_offer post
	$post_data = array(
		'post_title'   => $job_title,
		'post_content' => $job_description,
		'post_type'    => 'job_offer',
		'post_status'  => 'pending',
		'post_author'  => $entry_user_id,
		'post_date'    => $entry->created_at,
	);

	$post_id = wp_insert_post( $post_data, true );

	// Check for errors
	if ( is_wp_error( $post_id ) ) {
		echo "  ERROR: Failed to create post - " . $post_id->get_error_message() . "\n";
		$errors++;
		continue;
	}

	// Save custom fields
	if ( ! empty( $job_location ) ) {
		update_post_meta( $post_id, 'job_location', $job_location );
	}
	if ( ! empty( $job_type ) ) {
		update_post_meta( $post_id, 'job_type', $job_type );
	}
	if ( ! empty( $job_contact_email ) ) {
		update_post_meta( $post_id, 'job_contact_email', $job_contact_email );
	}
	if ( ! empty( $job_deadline ) ) {
		update_post_meta( $post_id, 'job_deadline', $job_deadline );
	}

	// Handle logo upload if present
	if ( ! empty( $job_logo ) && is_numeric( $job_logo ) ) {
		set_post_thumbnail( $post_id, absint( $job_logo ) );
	}

	// Store reference to original entry
	update_post_meta( $post_id, '_migrated_from_entry_id', $entry->id );

	echo "  SUCCESS: Created post #{$post_id} - \"{$job_title}\"\n";
	$migrated++;
}

echo "\n=== Migration Complete ===\n";
echo "Migrated: {$migrated}\n";
echo "Skipped: {$skipped}\n";
echo "Errors: {$errors}\n";
echo "Total: " . count( $entries ) . "\n";