debug(07-01): add debug logging to registration handler

includes/class-formidable.php

@@ -268,17 +268,25 @@ class DDHH_JM_Formidable {
 	 * @param int   $form_id  Form ID.
 	 */
 	public static function handle_registration_submission( $entry_id, $form_id ) {
+		error_log('DDHH Registration: Hook fired for form ' . $form_id . ', entry ' . $entry_id);
+
 		// Only process our registration form
 		if ( $form_id !== self::get_registration_form_id() ) {
+			error_log('DDHH Registration: Wrong form ID. Expected ' . self::get_registration_form_id());
 			return;
 		}
 
+		error_log('DDHH Registration: Processing registration form');
+
 		// Get entry data
 		$entry = FrmEntry::getOne( $entry_id, true );
 		if ( ! $entry ) {
+			error_log('DDHH Registration: Failed to get entry');
 			return;
 		}
 
+		error_log('DDHH Registration: Entry retrieved successfully');
+
 		// Extract field values
 		$email             = '';
 		$password          = '';
@@ -311,21 +319,28 @@ class DDHH_JM_Formidable {
 			}
 		}
 
+		error_log('DDHH Registration: email=' . $email . ', org=' . $organization_name . ', contact=' . $contact_person);
+
 		// Validate required fields
 		if ( empty( $email ) || empty( $password ) || empty( $organization_name ) || empty( $contact_person ) ) {
+			error_log('DDHH Registration: Validation failed - missing required fields');
 			return;
 		}
 
 		// Validate passwords match
 		if ( $password !== $password_confirm ) {
+			error_log('DDHH Registration: Passwords do not match');
 			return;
 		}
 
 		// Check if user already exists
 		if ( email_exists( $email ) ) {
+			error_log('DDHH Registration: Email already exists');
 			return;
 		}
 
+		error_log('DDHH Registration: Validation passed, creating user...');
+
 		// Create username from email (part before @)
 		$username = sanitize_user( strstr( $email, '@', true ) );
 
@@ -351,9 +366,12 @@ class DDHH_JM_Formidable {
 
 		// Check for errors
 		if ( is_wp_error( $user_id ) ) {
+			error_log('DDHH Registration: wp_insert_user failed - ' . $user_id->get_error_message());
 			return;
 		}
 
+		error_log('DDHH Registration: User created successfully with ID ' . $user_id);
+
 		// Store organization name as user meta
 		update_user_meta( $user_id, 'ddhh_org_name', $organization_name );
 
@@ -361,6 +379,8 @@ class DDHH_JM_Formidable {
 		wp_set_auth_cookie( $user_id, true );
 		wp_set_current_user( $user_id );
 
+		error_log('DDHH Registration: User logged in, triggering redirect...');
+
 		// Optionally redirect (handled by JavaScript or form settings)
 		do_action( 'ddhh_provider_registered', $user_id, $organization_name );
 	}