<?php

if ( ! class_exists( 'GFForms' ) ) {
	die();
}


class GF_Field_Time extends GF_Field {

	public $type = 'time';

	public function get_form_editor_field_title() {
		return __( 'Time', 'gravityforms' );
	}

	function get_form_editor_field_settings() {
		return array(
			'conditional_logic_field_setting',
			'prepopulate_field_setting',
			'error_message_setting',
			'label_setting',
			'sub_labels_setting',
			'label_placement_setting',
			'sub_label_placement_setting',
			'admin_label_setting',
			'time_format_setting',
			'rules_setting',
			'visibility_setting',
			'duplicate_setting',
			'default_input_values_setting',
			'input_placeholders_setting',
			'description_setting',
			'css_class_setting',
		);
	}

	public function validate( $value, $form ) {
		//create variable values if time came in one field
		if ( ! is_array( $value ) && ! empty( $value ) ) {
			preg_match( '/^(\d*):(\d*) ?(.*)$/', $value, $matches );
			$value    = array();
			$value[0] = $matches[1];
			$value[1] = $matches[2];
		}

		$hour   = $value[0];
		$minute = $value[1];

		if ( empty( $hour ) && empty( $minute ) ) {
			return;
		}

		$is_valid_format = is_numeric( $hour ) && is_numeric( $minute );

		$min_hour = $this->timeFormat == '24' ? 0 : 1;
		$max_hour = $this->timeFormat == '24' ? 23 : 12;

		if ( ! $is_valid_format || $hour < $min_hour || $hour > $max_hour || $minute < 0 || $minute >= 60 ) {
			$this->failed_validation  = true;
			$this->validation_message = empty( $this->errorMessage ) ? __( 'Please enter a valid time.', 'gravityforms' ) : $this->errorMessage;
		}
	}

	public function get_field_input( $form, $value = '', $entry = null ) {

		$is_entry_detail = $this->is_entry_detail();
		$is_form_editor  = $this->is_form_editor();

		$form_id  = $form['id'];
		$id       = intval( $this->id );
		$field_id = $is_entry_detail || $is_form_editor || $form_id == 0 ? "input_$id" : 'input_' . $form_id . "_$id";

		$form_sub_label_placement  = rgar( $form, 'subLabelPlacement' );
		$field_sub_label_placement = rgar( $this, 'subLabelPlacement' );
		$is_sub_label_above        = $field_sub_label_placement == 'above' || ( empty( $field_sub_label_placement ) && $form_sub_label_placement == 'above' );
		$sub_label_class_attribute = $field_sub_label_placement == 'hidden_label' ? "class='hidden_sub_label'" : '';

		$disabled_text = $is_form_editor ? "disabled='disabled'" : '';

		$hour = $minute = $am_selected = $pm_selected = '';

		if ( ! is_array( $value ) && ! empty( $value ) ) {
			preg_match( '/^(\d*):(\d*) ?(.*)$/', $value, $matches );
			$hour        = esc_attr( $matches[1] );
			$minute      = esc_attr( $matches[2] );
			$the_rest    = strtolower( rgar( $matches, 3 ) );
			$am_selected = strpos( $the_rest, 'am' ) > -1 ? "selected='selected'" : '';
			$pm_selected = strpos( $the_rest, 'pm' ) > -1  ? "selected='selected'" : '';
		} else if ( is_array( $value ) ) {
			$value       = array_values( $value );
			$hour        = esc_attr( $value[0] );
			$minute      = esc_attr( $value[1] );
			$am_selected = strtolower( rgar( $value, 2 ) ) == 'am' ? "selected='selected'" : '';
			$pm_selected = strtolower( rgar( $value, 2 ) ) == 'pm' ? "selected='selected'" : '';
		}

		$hour_input   = GFFormsModel::get_input( $this, $this->id . '.1' );
		$minute_input = GFFormsModel::get_input( $this, $this->id . '.2' );

		$hour_placeholder_attribute   = $this->get_input_placeholder_attribute( $hour_input );
		$minute_placeholder_attribute = $this->get_input_placeholder_attribute( $minute_input );

		$hour_tabindex   = $this->get_tabindex();
		$minute_tabindex = $this->get_tabindex();
		$ampm_tabindex   = $this->get_tabindex();

		$is_html5   = RGFormsModel::is_html5_enabled();
		$input_type = $is_html5 ? 'number' : 'text';

		$max_hour = $this->timeFormat == '24' ? 23 : 12;
		$hour_html5_attributes   = $is_html5 ? "min='0' max='{$max_hour}' step='1'" : '';
		$minute_html5_attributes = $is_html5 ? "min='0' max='59' step='1'" : '';

		$ampm_field_style = $is_form_editor && $this->timeFormat == '24' ? "style='display:none;'" : '';
		if ( $is_form_editor || $this->timeFormat != '24' ) {
			$am_text = __( 'AM', 'gravityforms' );
			$pm_text = __( 'PM', 'gravityforms' );
			$ampm_field = $is_sub_label_above ? "<div class='gfield_time_ampm ginput_container' {$ampm_field_style}>
                                                            <label for='{$field_id}_3'>&nbsp;</label>
                                                            <select name='input_{$id}[]' id='{$field_id}_3' $ampm_tabindex {$disabled_text}>
                                                                <option value='am' {$am_selected}>{$am_text}</option>
                                                                <option value='pm' {$pm_selected}>{$pm_text}</option>
                                                            </select>
                                                          </div>"
												: "<div class='gfield_time_ampm ginput_container' {$ampm_field_style}>
                                                            <select name='input_{$id}[]' id='{$field_id}_3' $ampm_tabindex {$disabled_text}>
                                                                <option value='am' {$am_selected}>{$am_text}</option>
                                                                <option value='pm' {$pm_selected}>{$pm_text}</option>
                                                            </select>
                                                          </div>";
		} else {
			$ampm_field = '';
		}

		$hour_label = rgar( $hour_input, 'customLabel' ) != '' ? $hour_input['customLabel'] : __( 'HH', 'gravityforms' );
		$minute_label = rgar( $minute_input, 'customLabel' ) != '' ? $minute_input['customLabel'] : __( 'MM', 'gravityforms' );

		if ( $is_sub_label_above ) {
			return "<div class='clear-multi'>
                        <div class='gfield_time_hour ginput_container' id='{$field_id}'>
                            <label for='{$field_id}_1' {$sub_label_class_attribute}>{$hour_label}</label>
                            <input type='{$input_type}' maxlength='2' name='input_{$id}[]' id='{$field_id}_1' value='{$hour}' {$hour_tabindex} {$hour_html5_attributes} {$disabled_text} {$hour_placeholder_attribute}/> <i>:</i>
                        </div>
                        <div class='gfield_time_minute ginput_container'>
                            <label for='{$field_id}_2' {$sub_label_class_attribute}>{$minute_label}</label>
                            <input type='{$input_type}' maxlength='2' name='input_{$id}[]' id='{$field_id}_2' value='{$minute}' {$minute_tabindex} {$minute_html5_attributes} {$disabled_text} {$minute_placeholder_attribute}/>
                        </div>
                        {$ampm_field}
                    </div>";
		} else {
			return "<div class='clear-multi'>
                        <div class='gfield_time_hour ginput_container' id='{$field_id}'>
                            <input type='{$input_type}' maxlength='2' name='input_{$id}[]' id='{$field_id}_1' value='{$hour}' {$hour_tabindex} {$hour_html5_attributes} {$disabled_text} {$hour_placeholder_attribute}/> <i>:</i>
                            <label for='{$field_id}_1' {$sub_label_class_attribute}>{$hour_label}</label>
                        </div>
                        <div class='gfield_time_minute ginput_container'>
                            <input type='{$input_type}' maxlength='2' name='input_{$id}[]' id='{$field_id}_2' value='{$minute}' {$minute_tabindex} {$minute_html5_attributes} {$disabled_text} {$minute_placeholder_attribute}/>
                            <label for='{$field_id}_2' {$sub_label_class_attribute}>{$minute_label}</label>
                        </div>
                        {$ampm_field}
                    </div>";
		}
	}

	public function is_value_submission_empty( $form_id ){
		$value = rgpost( 'input_' . $this->id );
		if ( is_array( $value ) ) {
			// Date field and date drop-downs
			foreach ( $value as $input ) {
				if ( strlen( trim( $input ) ) <= 0 ) {
					return true;
				}
			}

			return false;
		} else {

			// Date picker
			return strlen( trim( $value ) ) <= 0;
		}
	}


	public function get_value_save_entry( $value, $form, $input_name, $lead_id, $lead ) {

		if ( ! is_array( $value ) && ! empty( $value ) ) {
			preg_match( '/^(\d*):(\d*) ?(.*)$/', $value, $matches );
			$value    = array();
			$value[0] = $matches[1];
			$value[1] = $matches[2];
			$value[2] = rgar( $matches, 3 );
		}

		$hour   = empty( $value[0] ) ? '0' : strip_tags( $value[0] );
		$minute = empty( $value[1] ) ? '0' : strip_tags( $value[1] );
		$ampm   = strip_tags( rgar( $value, 2 ) );
		if ( ! empty( $ampm ) ) {
			$ampm = " $ampm";
		}

		if ( ! ( empty( $hour ) && empty( $minute ) ) ) {
			$value = sprintf( '%02d:%02d%s', $hour, $minute, $ampm );
		} else {
			$value = '';
		}

		return $value;
	}

	public function get_entry_inputs() {
		return null;
	}


	/**
	 * Support for legacy Time fields which did not have an inputs array
	 *
	 * @param $form
	 *
	 * @return string
	 */
	public function get_first_input_id( $form ) {

		// legacy (< 1.9) Time fields did not have an inputs array
		if ( ! is_array( $this->inputs ) ){
			return 'input_' . $form['id'] . '_' . $this->id . '_1';
		}

		return parent::get_first_input_id( $form );
	}

}

GF_Fields::register( new GF_Field_Time() );