<?php

class FrmProFormsHelper {

	public static function setup_new_vars( $values ) {

        foreach ( self::get_default_opts() as $var => $default ) {
			$values[ $var ] = FrmAppHelper::get_param( $var, $default, 'post', 'sanitize_text_field' );
        }
        return $values;
    }

	public static function setup_edit_vars( $values ) {
        $record = FrmForm::getOne($values['id']);
		foreach ( array( 'logged_in' => $record->logged_in, 'editable' => $record->editable ) as $var => $default ) {
			$values[ $var ] = FrmAppHelper::get_param( $var, $default, 'get', 'sanitize_text_field' );
		}

		foreach ( self::get_default_opts() as $opt => $default ) {
			if ( ! isset( $values[ $opt ] ) ) {
				$values[ $opt ] = ( $_POST && isset( $_POST['options'][ $opt ] ) ) ? sanitize_text_field( $_POST['options'][ $opt ] ) : $default;
            }

            unset($opt, $default);
        }

        return $values;
    }

	public static function load_chosen_js( $frm_vars ) {
		if ( isset( $frm_vars['chosen_loaded'] ) && $frm_vars['chosen_loaded'] ) {
			$original_js = 'allow_single_deselect:true';
			$chosen_js = apply_filters( 'frm_chosen_js', $original_js );
			if ( $original_js != $chosen_js ) {
				?>__frmChosen=<?php echo json_encode( $chosen_js ) ?>;<?php
			}
		}
	}

	/**
	 * Load the conditional field IDs for JavaScript
	 *
	 * @since 2.01.0
	 * @param array $frm_vars
	 */
	public static function load_hide_conditional_fields_js( $frm_vars ) {

		if ( self::is_initial_load_for_at_least_one_form( $frm_vars ) ) {
			// Check the logic on all dependent fields
			if ( isset( $frm_vars['dep_logic_fields'] ) && ! empty( $frm_vars['dep_logic_fields'] ) ) {
				// TODO: when this is missing and only Dynamic fields on page, problems happen.

				echo 'var frmHide=' . json_encode( $frm_vars['dep_logic_fields'] ) . ';';
				echo 'if(typeof __frmHideOrShowFields == "undefined"){__frmHideOrShowFields=frmHide;}';
				echo 'else{__frmHideOrShowFields=jQuery.extend(__frmHideOrShowFields,frmHide);}';
			}
		} else {
			// Save time and just hide the fields that are in frm_hide_fields
			echo '__frmHideFields=true;';
		}

		// Check dependent Dynamic fields
		if ( isset( $frm_vars['dep_dynamic_fields'] ) && ! empty( $frm_vars['dep_dynamic_fields'] ) ) {
			echo '__frmDepDynamicFields=' . json_encode( $frm_vars['dep_dynamic_fields'] ) . ';';
		}
	}

	/**
	 * Check if at least one form is loading for the first time
	 *
	 * @since 2.01.0
	 * @param array $frm_vars
	 * @return bool
	 */
	private static function is_initial_load_for_at_least_one_form( $frm_vars ) {
		$initial_load = true;

		if ( isset( $_POST['form_id'] ) ) {
			foreach ( $frm_vars['forms_loaded'] as $form ) {
				if ( ! is_object( $form ) ) {
					continue;
				}

				if ( isset($frm_vars['prev_page'][ $form->id ]) || self::going_to_prev( $form->id ) || self::saving_draft() ) {
					$initial_load = false;
				} else {
					$initial_load = true;
					break;
				}
			}
		}

		return $initial_load;
	}

	public static function load_dropzone_js( $frm_vars ) {
		if ( ! isset( $frm_vars['dropzone_loaded'] ) || empty( $frm_vars['dropzone_loaded'] ) || ! is_array( $frm_vars['dropzone_loaded'] ) ) {
			return;
		}

		$load_dropzone = apply_filters( 'frm_load_dropzone', true );
		if ( ! $load_dropzone ) {
			return;
		}

		$js = array();
		foreach ( $frm_vars['dropzone_loaded'] as $field_id => $options ) {
			$js[] = $options;
		}
		echo '__frmDropzone=' . json_encode( $js ) . ';';
	}

	public static function load_datepicker_js( $frm_vars ) {
        if ( ! isset($frm_vars['datepicker_loaded']) || empty($frm_vars['datepicker_loaded']) || ! is_array($frm_vars['datepicker_loaded']) ) {
            return;
        }

		$frmpro_settings = FrmProAppHelper::get_settings();

        reset($frm_vars['datepicker_loaded']);
        $datepicker = key($frm_vars['datepicker_loaded']);
		$load_lang = false;

		$datepicker_js = array();
		foreach ( $frm_vars['datepicker_loaded'] as $date_field_id => $options ) {
			if ( empty( $date_field_id ) ) {
				continue;
			}

            if ( strpos($date_field_id, '^') === 0 ) {
                // this is a repeating field
				$trigger_id = 'input[id^="' . str_replace( '^', '', esc_attr( $date_field_id ) ) . '"]';
            } else {
				$trigger_id = '#' . esc_attr( $date_field_id );
            }

			$custom_options = self::get_custom_date_js( $date_field_id, $options );

			$date_options = array(
				'triggerID' => $trigger_id,
				'locale'    => $options['locale'],
				'options'   => array(
					'dateFormat'  => $frmpro_settings->cal_date_format,
					'changeMonth' => 'true',
					'changeYear'  => 'true',
					'yearRange'   => $options['start_year'] . ':' . $options['end_year'],
					'defaultDate' => empty( $options['default_date'] ) ? '' : $options['default_date'],
					'beforeShowDay' => null,
				),
				'customOptions'  => $custom_options,
			);
			$date_options = apply_filters( 'frm_date_field_options', $date_options, array( 'field_id' => $date_field_id, 'options' => $options ) );

			if ( empty( $custom_options ) ) {
				$datepicker_js[] = $date_options;
			} else if ( $date_field_id ) {
				?>
jQuery(document).ready(function($){
$('<?php echo $trigger_id; ?>').addClass('frm_custom_date');
$(document).on('focusin','<?php echo $trigger_id; ?>', function(){
$.datepicker.setDefaults($.datepicker.regional['']);
$(this).datepicker($.extend($.datepicker.regional['<?php echo esc_js( $options['locale'] ) ?>'],{dateFormat:'<?php echo esc_js( $frmpro_settings->cal_date_format ) ?>',changeMonth:true,changeYear:true,yearRange:'<?php echo esc_js( $date_options['options']['yearRange'] ) ?>',defaultDate:'<?php echo esc_js( $date_options['options']['defaultDate'] ); ?>'<?php
echo $custom_options;
?>}));
});
});
<?php
			}

			if ( ! empty( $options['locale'] ) && ! $load_lang ) {
				$load_lang = true;
				$base_url = FrmAppHelper::jquery_ui_base_url();
				wp_enqueue_script( 'jquery-ui-i18n', $base_url . '/i18n/jquery-ui-i18n.min.js', array( 'jquery-ui-core', 'jquery-ui-datepicker' ), FrmAppHelper::plugin_version() );
				// this was enqueued late, so make sure it gets printed
				add_action( 'wp_footer', 'print_footer_scripts', 21 );
				add_action( 'admin_print_footer_scripts', 'print_footer_scripts', 99 );
			}
        }

		if ( ! empty( $datepicker_js ) ) {
			echo 'var frmDates=' . json_encode( $datepicker_js ) . ';';
			echo 'if(typeof __frmDatepicker == "undefined"){__frmDatepicker=frmDates;}';
			echo 'else{__frmDatepicker=jQuery.extend(__frmDatepicker,frmDates);}';
		}

		FrmProTimeFieldsController::load_timepicker_js( $datepicker );
    }

	private static function get_custom_date_js( $date_field_id, $options ) {
		ob_start();
		do_action( 'frm_date_field_js', $date_field_id, $options );
		$custom_options = ob_get_contents();
		ob_end_clean();

		return $custom_options;
	}

	/**
	 * @deprecated 2.03
	 */
	public static function load_timepicker_js( $datepicker ) {
		_deprecated_function( __FUNCTION__, '2.03', 'FrmProTimeFieldsController::load_timepicker_js' );
		FrmProTimeFieldsController::load_timepicker_js( $datepicker );
	}

	public static function load_calc_js( $frm_vars ) {
        if ( ! isset($frm_vars['calc_fields']) || empty($frm_vars['calc_fields']) ) {
            return;
        }

        $calc_rules = array(
            'fields'    => array(),
            'calc'      => array(),
            'fieldKeys' => array(),
			'fieldsWithCalc' => array(),
        );

        $triggers = array();

        foreach ( $frm_vars['calc_fields'] as $result => $field ) {
			$calc_rules['fieldsWithCalc'][ $field['field_id'] ] = $result;
            $calc = $field['calc'];
			FrmProFieldsHelper::replace_non_standard_formidable_shortcodes( array( 'field' => $field['field_id'] ), $calc );

            preg_match_all("/\[(.?)\b(.*?)(?:(\/))?\]/s", $calc, $matches, PREG_PATTERN_ORDER);

            $field_keys = $calc_fields = array();

            foreach ( $matches[0] as $match_key => $val ) {
                $val = trim(trim($val, '['), ']');
				$calc_fields[ $val ] = FrmField::getOne( $val );
				if ( ! $calc_fields[ $val ] ) {
					unset( $calc_fields[ $val ] );
					continue;
				}

				$field_keys[ $calc_fields[ $val ]->id ] = self::get_field_call_for_calc( $calc_fields[ $val ], $field['parent_form_id'] );

				$calc_rules['fieldKeys'] = $calc_rules['fieldKeys'] + $field_keys;

				$calc = str_replace( $matches[0][ $match_key ], '[' . $calc_fields[ $val ]->id . ']', $calc );

				// Prevent invalid decrement error for -- in calcs
				if ( $field['calc_type'] != 'text' ) {
					$calc = str_replace( '-[', '- [', $calc );
				}
			}

			if ( strpos( $calc, '[' ) !== false ) {
				// check for WP shortcodes if there are any left
				$calc = do_shortcode( $calc );
			}

            $triggers[] = reset($field_keys);
			$calc_rules['calc'][ $result ] = self::get_calc_rule_for_field( array(
				'field'    => $field,
				'calc'     => $calc,
				'field_id' => $field['field_id'],
				'form_id'  => $field['parent_form_id'],
			) );
			$calc_rules['calc'][ $result ]['fields'] = array();

            foreach ( $calc_fields as $calc_field ) {
                $calc_rules['calc'][ $result ]['fields'][] = $calc_field->id;
				if ( isset( $calc_rules['fields'][ $calc_field->id ] ) ) {
					$calc_rules['fields'][ $calc_field->id ]['total'][] = $result;
				} else {
					$calc_rules['fields'][ $calc_field->id ] = array(
						'total' => array( $result ),
						'type'  => ( $calc_field->type == 'lookup' ) ? $calc_field->field_options['data_type'] : $calc_field->type,
						'key'   => $field_keys[ $calc_field->id ],
					);
				}

                if ( $calc_field->type == 'date' ) {
                    if ( ! isset($frmpro_settings) ) {
						$frmpro_settings = FrmProAppHelper::get_settings();
                    }
                    $calc_rules['date'] = $frmpro_settings->cal_date_format;
                }
            }
        }

        // trigger calculations on page load
        if ( ! empty($triggers) ) {
			$triggers = array_filter( array_unique( $triggers ) );
			$calc_rules['triggers'] = array_values( $triggers );
        }

		echo 'var frmcalcs=' . json_encode( $calc_rules ) . ";\n";
		echo 'if(typeof __FRMCALC == "undefined"){__FRMCALC=frmcalcs;}';
		echo 'else{__FRMCALC=jQuery.extend(true,{},__FRMCALC,frmcalcs);}';
    }

	public static function get_calc_rule_for_field( $atts ) {
		$field = $atts['field'];

		$rule = array(
			'calc'          => isset( $atts['calc'] ) ? $atts['calc'] : $field['calc'],
			'calc_dec'      => $field['calc_dec'],
			'calc_type'     => $field['calc_type'],
			'form_id'       => $atts['form_id'],
			'field_id'      => isset( $atts['field_id'] ) ? $atts['field_id'] : $field['id'],
			'in_section'    => isset( $field['in_section'] ) ? $field['in_section'] : '0',
			'in_embed_form' => isset( $field['in_embed_form'] ) ? $field['in_embed_form'] : '0',
		);

		$rule['inSection'] = $rule['in_section'];
		$rule['inEmbedForm'] = $rule['in_embed_form'];

		if ( isset( $atts['parent_form_id'] ) ) {
			$rule['parent_form_id'] = $atts['parent_form_id'];
		}

		return $rule;
	}

	/**
	 * Get the field call for a calc field
	 *
	 * @since 2.01.0
	 *
	 * @param object $calc_field
	 * @param int $parent_form_id
	 * @return string $field_call
	 */
	private static function get_field_call_for_calc( $calc_field, $parent_form_id ) {
		$html_field_id = '="field_' . $calc_field->field_key;

		// If field is inside of repeating section/embedded form or it is a radio, scale, or checkbox field
		$in_child_form = $parent_form_id != $calc_field->form_id;
		if ( self::has_variable_html_id( $calc_field ) || $in_child_form ) {
			$html_field_id = '^' . $html_field_id . '-';
		} else if ( $calc_field->type == 'select' ) {
			$is_multiselect = FrmField::get_option( $calc_field, 'multiple' );
			if ( $is_multiselect ) {
				$html_field_id = '^' . $html_field_id;
			}
		} elseif ( $calc_field->type == 'time' && ! FrmField::is_option_true( $calc_field, 'single_time' ) ) {
			$html_field_id = '^' . $html_field_id . '_';
		}

		$field_call = '[id' . $html_field_id . '"]';

		return $field_call;
	}

	/**
	 * Check if a field has a variable HTML ID
	 *
	 * @since 2.03.07
	 *
	 * @param stdClass $field
	 *
	 * @return bool
	 */
	private static function has_variable_html_id( $field ) {
		if ( in_array( $field->type, array( 'radio', 'scale', 'star', 'checkbox' ) )
		     || ( $field->type == 'lookup' && in_array( $field->field_options['data_type'], array( 'radio', 'checkbox' ) ) )
		) {
			return true;
		} else {
			return false;
		}
	}

    public static function load_input_mask_js() {
		global $frm_input_masks;
        if ( empty($frm_input_masks) ) {
            return;
        }

		$masks = array();
        foreach ( (array) $frm_input_masks as $f_key => $mask ) {
            if ( ! $mask ) {
                continue;
			} else if ( $mask !== true ) {
				// this isn't used in the plugin, but is here for those using the mask filter
				$masks[] = array(
					'trigger' => is_numeric( $f_key ) ? 'input[name="item_meta[' . $f_key . ']"]' : '#field_' . $f_key,
					'mask'    => $mask,
				);
			}
            unset($f_key, $mask);
        }

		if ( ! empty( $masks ) ) {
			echo '__frmMasks=' . json_encode( $masks ) . ';';
		}
    }

	public static function get_default_opts() {
		$frmpro_settings = FrmProAppHelper::get_settings();

		return array(
			'edit_value'           => $frmpro_settings->update_value,
			'edit_msg'             => $frmpro_settings->edit_msg,
			'edit_action'          => 'message',
			'edit_url'             => '',
			'edit_page_id'         => 0,
			'logged_in'            => 0,
			'logged_in_role'       => '',
			'editable'             => 0,
			'save_draft'           => 0,
			'draft_msg'            => __( 'Your draft has been saved.', 'formidable-pro' ),
			'editable_role'        => '',
			'open_editable_role'   => '-1',
			'copy'                 => 0,
			'single_entry'         => 0,
			'single_entry_type'    => 'user',
			'success_page_id'      => '',
			'success_url'          => '',
			'ajax_submit'          => 0,
			'cookie_expiration'    => 8000,
			'prev_value'           => __( 'Previous', 'formidable-pro' ),
			'submit_align'         => '',
			'submit_conditions'    => array(
				'show_hide'        => 'show',
				'any_all'          => 'all',
				'hide_field'       => array(),
				'hide_opt'         => array(),
				'hide_cond'        => array(),
			),
			'open_status'          => '',
			'closed_msg'           => '<p>' . __( 'This form is currently closed for submissions.', 'formidable-pro' ) . '</p>',
			'open_date'            => current_time( 'Y-m-d H:i' ),
			'close_date'           => '',
			'max_entries'          => '',
			'protect_files'        => 0,
			'rootline'             => '',
			'rootline_titles_on'   => 0,
			'rootline_titles'      => array(),
			'rootline_lines_off'   => 0,
			'rootline_numbers_off' => 0,
		);
	}

	public static function get_taxonomy_count( $taxonomy, $post_categories, $tax_count = 0 ) {
		if ( isset( $post_categories[ $taxonomy . $tax_count ] ) ) {
			$tax_count++;
			$tax_count = self::get_taxonomy_count( $taxonomy, $post_categories, $tax_count );
        }
        return $tax_count;
    }

	/**
	 * @since 2.0.8
	 */
	public static function can_submit_form_now( $errors, $values ) {
		global $frm_vars;

		$params = ( isset( $frm_vars['form_params'] ) && is_array( $frm_vars['form_params'] ) && isset( $frm_vars['form_params'][ $values['form_id'] ] ) ) ? $frm_vars['form_params'][ $values['form_id'] ] : FrmForm::get_params( $values['form_id'] );
		$values['action'] = $params['action'];

		if ( $params['action'] != 'create' ) {
			if ( self::has_another_page( $values['form_id'] ) ) {
				self::stop_submit_if_more_pages( $values, $errors );
			}
			return $errors;
		}

		$form = FrmForm::getOne( $values['form_id'] );

		if ( self::visitor_already_submitted( $form, $errors ) || self::maybe_form_closed( $form, $errors ) ) {
			self::stop_form_submit();
			return $errors;
		}

		if ( self::has_another_page( $values['form_id'] ) ) {
			self::stop_submit_if_more_pages( $values, $errors );
		} elseif ( self::user_allowed_one_editable_entry( $form, $errors ) ) {
			self::stop_form_submit();
		}

		return $errors;
	}

	/**
	 * @since 3.04
	 *
	 * @param object $form
	 * @param array $errors
	 *
	 * @return bool and $errors by reference
	 */
	private static function visitor_already_submitted( $form, &$errors ) {
		$has_error = false;
		if ( isset( $form->options['single_entry'] ) && $form->options['single_entry'] ) {
			if ( ! self::user_can_submit_form( $form ) ) {
				$frmpro_settings = FrmProAppHelper::get_settings();
				$k = is_numeric( $form->options['single_entry_type'] ) ? 'field' . $form->options['single_entry_type'] : 'single_entry';
				$errors[ $k ] = $frmpro_settings->already_submitted;
				$has_error = true;
			}
		}
		return $has_error;
	}

	/**
	 * @since 3.04
	 *
	 * @param object $form
	 * @param array $errors
	 *
	 * @return bool and $errors by reference
	 */
	private static function user_allowed_one_editable_entry( $form, &$errors ) {
		$has_error = false;
		$user_ID = get_current_user_id();
		$user_limited_entry = $user_ID && $form->editable && isset( $form->options['single_entry'] ) && $form->options['single_entry'] && $form->options['single_entry_type'] == 'user' && ! FrmAppHelper::is_admin();
		if ( $user_limited_entry ) {
			$entry_id = FrmDb::get_var(
				'frm_items',
				array(
					'user_id' => $user_ID,
					'form_id' => $form->id,
				)
			);

			if ( $entry_id ) {
				$frmpro_settings = FrmProAppHelper::get_settings();
				$errors['single_entry'] = $frmpro_settings->already_submitted;
				$has_error = true;
			}
		}
		return $has_error;
	}

	/**
	 * @since 3.04
	 *
	 * @param object $form
	 * @param array $errors
	 *
	 * @return bool and $errors by reference
	 */
	private static function maybe_form_closed( $form, &$errors ) {
		$has_error = false;
		if ( ! FrmProForm::is_open( $form ) ) {
			$errors['open_status'] = do_shortcode( $form->options['closed_msg'] );
			$has_error = true;
		}
		return $has_error;
	}

	/**
	 * @since 2.0.8
	 */
	public static function stop_submit_if_more_pages( $values, &$errors ) {
		if ( self::going_to_prev( $values['form_id'] ) ) {
			$errors = array();
			self::stop_form_submit();
		} else if ( $values['action'] == 'create' ) {
			self::stop_form_submit();
		}
	}

	/**
	 * @since 2.0.8
	 */
	public static function stop_form_submit() {
		add_filter( 'frm_continue_to_create', '__return_false' );
	}

	/**
	 * @since 2.0.8
	 * @return boolean
	 */
	public static function user_can_submit_form( $form ) {
		$can_submit  = true;
		$admin_entry = FrmAppHelper::is_admin();

		if ( $admin_entry && current_user_can( 'frm_create_entries' ) ) {
			return $can_submit;
		}

		$cookie_limit = $form->options['single_entry_type'] === 'cookie' && isset( $_COOKIE[ 'frm_form' . $form->id . '_' . COOKIEHASH ] );
		if ( $cookie_limit ) {
			$can_submit = $admin_entry ? true : false;
		} else if ( $form->options['single_entry_type'] == 'ip' ) {
			if ( ! $admin_entry ) {
				$prev_entry = FrmEntry::getAll( array( 'it.form_id' => $form->id, 'it.ip' => FrmAppHelper::get_ip_address() ), '', 1 );
				if ( $prev_entry ) {
					$can_submit = false;
				}
			}
		} else if ( ( $form->options['single_entry_type'] == 'user' || ( isset( $form->options['save_draft'] ) && $form->options['save_draft'] == 1 ) ) && ! $form->editable ) {
			$user_ID = get_current_user_id();
			if ( $user_ID ) {
				$meta = FrmProEntriesHelper::check_for_user_entry( $user_ID, $form, ( $form->options['single_entry_type'] != 'user' ) );
				if ( $meta ) {
					$can_submit = false;
				}
			}
		}

		return $can_submit;
	}

	/**
	 * @since 2.3
	 */
	public static function get_the_page_number( $form_id ) {
		$page_num = 1;
		if ( self::going_to_prev( $form_id ) ) {
			self::prev_page_num( $form_id, $page_num );
		} elseif ( self::going_to_next( $form_id ) ) {
			self::next_page_num( $form_id, $page_num );
		}
		return $page_num;
	}

	/**
	 * @since 2.3
	 */
	private static function next_page_num( $form_id, &$page_num ) {
		$next_page = FrmAppHelper::get_post_param( 'frm_page_order_' . $form_id, 0, 'absint' );
		if ( $next_page ) {
			$page_breaks = FrmField::get_all_types_in_form( $form_id, 'break' );
			foreach ( $page_breaks as $page_break ) {
				$page_num++;
				if ( $page_break->field_order >= $next_page ) {
					break;
				}
			}
		}
	}

	/**
	 * @since 2.3
	 */
	private static function prev_page_num( $form_id, &$page_num ) {
		$next_page = FrmAppHelper::get_post_param( 'frm_next_page', 0, 'absint' );
		if ( $next_page ) {
			$page_breaks = FrmField::get_all_types_in_form( $form_id, 'break' );
			$page_num = count( $page_breaks );
			$page_breaks = array_reverse( $page_breaks );
			foreach ( $page_breaks as $page_break ) {
				if ( $page_break->field_order <= $next_page ) {
					break;
				}
				$page_num--;
			}
		}
	}

	/**
	 * @since 2.0.8
	 */
	public static function has_another_page( $form_id ) {
		$more_pages = false;
		if ( ! self::saving_draft() ) {
			if ( self::going_to_prev( $form_id ) ) {
				$more_pages = true;
			} else {
				$more_pages = self::going_to_next( $form_id );
			}
		}

		return $more_pages;
	}

	/**
	 * @return boolean
	 */
	public static function going_to_prev( $form_id ) {
        $back = false;
		$next_page = FrmAppHelper::get_post_param( 'frm_next_page', 0, 'absint' );
		if ( $next_page ) {
			$prev_page = FrmAppHelper::get_post_param( 'frm_page_order_' . $form_id, 0, 'absint' );
			if ( ! $prev_page || ( $next_page < $prev_page ) ) {
                $back = true;
            }
        }
        return $back;
    }

	/**
	 * @since 2.0.8
	 * @return boolean
	 */
	public static function going_to_next( $form_id ) {
		$next_page = FrmAppHelper::get_post_param( 'frm_page_order_' . $form_id, 0, 'absint' );
		$more_pages = false;

		if ( $next_page ) {
			$more_pages = true;
			$page_breaks = FrmField::get_all_types_in_form( $form_id, 'break' );

			$previous_page = new stdClass();
			$previous_page->field_order = 0;

			foreach ( $page_breaks as $page_break ) {
				if ( $page_break->field_order >= $next_page ) {
					$current_page = apply_filters( 'frm_get_current_page', $previous_page, $page_breaks, false );
					if ( ! is_object( $current_page ) && $current_page == -1 ) {
						unset( $_POST[ 'frm_page_order_' . $form_id ] );
						$more_pages = false;
					}
					break;
				}
				$previous_page = $page_break;
			}
		}

		return $more_pages;
	}

    public static function get_prev_button( $form, $class = '' ) {
        $html = '[if back_button]<input type="submit" value="[back_label]" name="frm_prev_page" formnovalidate="formnovalidate" class="frm_prev_page ' . esc_attr( $class ) . '" [back_hook] />[/if back_button]';
        return self::get_draft_button( $form, $class, $html, 'back_button' );
    }

	/**
	 * Check if this entry is currently being saved as a draft
	 */
    public static function saving_draft() {
		$saving_draft = FrmAppHelper::get_post_param( 'frm_saving_draft', '', 'sanitize_title' );
		$saving = ( $saving_draft == '1' && is_user_logged_in() );
        return $saving;
    }

    public static function save_draft_msg( &$message, $form, $record = false ) {
        if ( ! self::saving_draft() ) {
            return;
        }

        $message = isset($form->options['draft_msg']) ? $form->options['draft_msg'] : __( 'Your draft has been saved.', 'formidable-pro' );
    }

    public static function get_draft_button( $form, $class = '', $html = '', $button_type = 'save_draft' ) {
        if ( empty( $html ) ) {
			$html = '[if save_draft]<input type="submit" value="[draft_label]" name="frm_save_draft" formnovalidate="formnovalidate" class="frm_save_draft ' . esc_attr( $class ) . '" [draft_hook] />[/if save_draft]';
        }

        $html = FrmProFormsController::replace_shortcodes($html, $form);
		if ( strpos( $html, '[if ' . $button_type . ']') !== false ) {
			$html = preg_replace( '/(\[if\s+' . $button_type . '\])(.*?)(\[\/if\s+' . $button_type . '\])/mis', '', $html );
		}
        return $html;
    }

	/**
	 * Check if we're on the final page of a given form
	 *
	 * @since 2.03.07
	 *
	 * @param int|string $form_id
	 *
	 * @return bool
	 */
    public static function is_final_page( $form_id ) {
	    global $frm_vars;
	    return ( ! isset( $frm_vars['next_page'][ $form_id ] ) );
    }

	/**
	 * Add a class to the form's Submit button
	 *
	 * @since 2.03.07
	 *
	 * @param array $classes
	 * @param stdClass $form
	 *
	 * @return array
	 */
    public static function add_submit_button_class( $classes, $form ) {
		if ( self::is_final_page( $form->id ) ) {
			$classes[] = 'frm_final_submit';
		}

		return $classes;
    }

	public static function get_draft_link( $form ) {
		return self::get_draft_button( $form, '', FrmFormsHelper::get_draft_link() );
    }

	public static function is_show_data_field( $field ) {
        return $field['type'] == 'data' && ( $field['data_type'] == '' || $field['data_type'] == 'data' );
    }

	public static function has_field( $type, $form_id, $single = true ) {
        if ( $single ) {
            $included = FrmDb::get_var( 'frm_fields', array( 'form_id' => $form_id, 'type' => $type ) );
            if ( $included ) {
                $included = FrmField::getOne($included);
            }
        } else {
            $included = FrmField::get_all_types_in_form( $form_id, $type );
        }

        return $included;
    }

    /**
     * @since 2.0
     * @return array of repeatable section fields
     */
	public static function has_repeat_field( $form_id, $single = true ) {
        $fields = self::has_field('divider', $form_id, $single);
        if ( ! $fields ) {
            return $fields;
        }

        $repeat_fields = array();
        foreach ( $fields as $field ) {
            if ( FrmField::is_repeating_field($field) ) {
                $repeat_fields[] = $field;
            }
        }

        return $repeat_fields;
    }

	/**
	 * @param array $atts - includes form_id, setting_name, and expected_setting
	 * @since 2.0.8
	 */
	public static function has_form_setting( $atts ) {
		$form = FrmForm::getOne( $atts['form_id'] );
		return ( isset( $form->options[ $atts['setting_name'] ] ) && $form->options[ $atts['setting_name'] ] == $atts['expected_setting'] );
	}

	public static function &post_type( $form ) {
        if ( is_numeric($form) ) {
            $form_id = $form;
        } else {
            $form_id = (array) $form['id'];
        }

		$action = FrmFormAction::get_action_for_form( $form_id, 'wppost' );
        $action = reset( $action );

        if ( ! $action || ! isset($action->post_content['post_type']) ) {
            $type = 'post';
        } else {
            $type = $action->post_content['post_type'];
        }

        return $type;
    }

	/**
	 * Require Ajax submission when a form is edited inline
	 *
	 * @since 2.03.02
	 *
	 * @param object $form
	 *
	 * @return object
	 */
	public static function prepare_inline_edit_form( $form ) {
		global $frm_vars;
		if ( ! empty( $frm_vars['inplace_edit'] ) ) {
			$form->options['ajax_submit'] = '1';
		}

		return $form;
	}

	public static function get_sub_form( $field_name, $field, $args = array() ) {
		_deprecated_function( __FUNCTION__, '2.02.06', 'FrmProNestedFormsController::display_front_end_nested_form' );
		FrmProNestedFormsController::display_front_end_nested_form( $field, $field_name, $args );
	}

	public static function repeat_field_set() {
		_deprecated_function( __FUNCTION__, '2.02.06', 'FrmProNestedFormsController::display_front_end_nested_form' );
	}

	public static function repeat_buttons() {
		_deprecated_function( __FUNCTION__, '2.02.06', 'FrmProNestedFormsController::display_front_end_nested_form' );
	}

	public static function repeat_button_html() {
		_deprecated_function( __FUNCTION__, '2.02.06', 'FrmProNestedFormsController::display_front_end_nested_form' );
	}
}
