<?php

namespace MasterAddons\Inc\Controls\Group;

use Elementor\Controls_Manager;
use Elementor\Group_Control_Base;


if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly.
}


/**
 * Addon button background control.
 *
 * A base controls group for creating button background controls.
 * Displays fields to define the background color or gradient.
 */
class JLTMA_Button_Background extends Group_Control_Base
{

    const JLTMA_BTN_BG_GROUP = 'jltma-button-background';

    /**
     * Holds all the group control fields.
     */
    protected static $fields;

    /**
     * Holds all the available background types.
     * @var array
     */
    private static $background_types;

    /**
     * Get background control type.
     * Retrieve the control type, in this case `background`.
     * @return string Control type.
     */
    public static function get_type()
    {
        return self::JLTMA_BTN_BG_GROUP;
    }

    /**
     * Retrieve available background types.
     * @return array Available background types.
     */
    public static function get_background_types()
    {
        if (null === self::$background_types) {
            self::$background_types = self::get_default_background_types();
        }

        return self::$background_types;
    }

    /**
     * Get Default background types.
     * Retrieve button background control initial types.
     * @return array Default background types.
     */
    private static function get_default_background_types()
    {
        return array(
            'color' => array(
                'title' => _x('Color', 'Button Background Control', 'master-addons' ),
                'icon' => 'eicon-paint-brush',
            ),
            'gradient' => array(
                'title' => _x('Gradient', 'Button Background Control', 'master-addons' ),
                'icon' => 'eicon-barcode',
            ),
        );
    }

    /**
     * Init fields.
     * Initialize control group fields.
     * @return array Control fields.
     */
    public function init_fields()
    {
        $fields = array();

        $fields['background'] = array(
            'label'       => _x('Background Type', 'Button Background Control', 'master-addons' ),
            'type'        => Controls_Manager::CHOOSE,
            'toggle'      => false,
            'render_type' => 'ui',
        );

        $fields['color'] = array(
            'label'     => _x('Background Color', 'Button Background Control', 'master-addons' ),
            'type'      => Controls_Manager::COLOR,
            'default'   => '',
            'selectors' => array(
                '{{SELECTOR}}' => '--button-bg-color: {{VALUE}}; ' .
                    'background: var( --button-bg-color );',
            ),
            'condition' => array(
                'background' => array(
                    'color',
                    'gradient',
                ),
            ),
        );

        $fields['color_stop'] = array(
            'label'      => _x('Location', 'Button Background Control', 'master-addons' ),
            'type'       => Controls_Manager::SLIDER,
            'size_units' => array('%'),
            'default'    => array(
                'unit' => '%',
                'size' => 0,
            ),
            'render_type' => 'ui',
            'condition'   => array(
                'background' => array('gradient'),
            ),
            'of_type' => 'gradient',
        );

        $fields['color_b'] = array(
            'label'       => _x('Second Background Color', 'Button Background Control', 'master-addons' ),
            'type'        => Controls_Manager::COLOR,
            'default'     => '#f2295b',
            'render_type' => 'ui',
            'condition'   => array(
                'background' => array('gradient'),
            ),
            'of_type' => 'gradient',
        );

        $fields['color_b_stop'] = array(
            'label'      => _x('Location', 'Button Background Control', 'master-addons' ),
            'type'       => Controls_Manager::SLIDER,
            'size_units' => array('%'),
            'default'    => array(
                'unit' => '%',
                'size' => 100,
            ),
            'render_type' => 'ui',
            'condition'   => array(
                'background' => array('gradient'),
            ),
            'of_type' => 'gradient',
        );

        $fields['gradient_type'] = array(
            'label'       => _x('Type', 'Button Background Control', 'master-addons' ),
            'label_block' => false,
            'type'        => 'jltma-choose-text',
            'options'     => array(
                'linear' => _x('Linear', 'Button Background Control', 'master-addons' ),
                'radial' => _x('Radial', 'Button Background Control', 'master-addons' ),
            ),
            'default'     => 'linear',
            'render_type' => 'ui',
            'condition'   => array(
                'background' => array('gradient'),
            ),
            'of_type' => 'gradient',
        );

        $fields['gradient_angle'] = array(
            'label'      => _x('Angle', 'Button Background Control', 'master-addons' ),
            'type'       => Controls_Manager::SLIDER,
            'size_units' => array('deg'),
            'default'    => array(
                'unit' => 'deg',
                'size' => 180,
            ),
            'range' => array(
                'deg' => array('step' => 10),
            ),
            'selectors' => array(
                '{{SELECTOR}}' => 'background-color: transparent; ' .
                    'background-image: linear-gradient({{SIZE}}{{UNIT}}, var( --button-bg-color ) {{color_stop.SIZE}}{{color_stop.UNIT}}, {{color_b.VALUE}} {{color_b_stop.SIZE}}{{color_b_stop.UNIT}})',
            ),
            'condition' => array(
                'background'    => array('gradient'),
                'gradient_type' => 'linear',
            ),
            'separator' => 'after',
            'of_type'   => 'gradient',
        );

        $fields['gradient_position'] = array(
            'label'   => _x('Position', 'Button Background Control', 'master-addons' ),
            'type'    => Controls_Manager::SELECT,
            'options' => array(
                'center center' => _x('Center Center', 'Button Background Control', 'master-addons' ),
                'center left'   => _x('Center Left', 'Button Background Control', 'master-addons' ),
                'center right'  => _x('Center Right', 'Button Background Control', 'master-addons' ),
                'top center'    => _x('Top Center', 'Button Background Control', 'master-addons' ),
                'top left'      => _x('Top Left', 'Button Background Control', 'master-addons' ),
                'top right'     => _x('Top Right', 'Button Background Control', 'master-addons' ),
                'bottom center' => _x('Bottom Center', 'Button Background Control', 'master-addons' ),
                'bottom left'   => _x('Bottom Left', 'Button Background Control', 'master-addons' ),
                'bottom right'  => _x('Bottom Right', 'Button Background Control', 'master-addons' ),
            ),
            'default'   => 'center center',
            'selectors' => array(
                '{{SELECTOR}}' => 'background-color: transparent; ' .
                    'background-image: radial-gradient(at {{VALUE}}, var( --button-bg-color ) {{color_stop.SIZE}}{{color_stop.UNIT}}, {{color_b.VALUE}} {{color_b_stop.SIZE}}{{color_b_stop.UNIT}})',
            ),
            'condition' => array(
                'background'    => array('gradient'),
                'gradient_type' => 'radial',
            ),
            'separator' => 'after',
            'of_type'   => 'gradient',
        );

        return $fields;
    }

    /**
     * Get child default args.
     *
     * Retrieve the default arguments for all the child controls for a
     * specific group control.
     *
     * @since 1.1.0
     *
     * @return array Default arguments for all the child controls.
     */
    protected function get_child_default_args()
    {
        return array(
            'types' => array(
                'color',
                'gradient',
            ),
            'selector' => '{{WRAPPER}}',
        );
    }

    /**
     * Filter fields.
     *
     * Filter which controls to display, using `include`, `exclude`,
     * `condition` and `of_type` arguments.
     *
     * @since 1.1.0
     *
     * @return array Control fields.
     */
    protected function filter_fields()
    {
        $fields = parent::filter_fields();

        $args = $this->get_args();

        foreach ($fields as &$field) {
            if (
                isset($field['of_type']) &&
                !in_array($field['of_type'], $args['types'], true)
            ) {
                unset($field);
            }
        }

        return $fields;
    }

    /**
     * Prepare fields.
     * Process button background control fields before adding them to `add_control()`.
     * @param array $fields Control group fields.
     *
     * @return array Processed fields.
     */
    protected function prepare_fields($fields)
    {
        $args = $this->get_args();

        $background_types = self::get_background_types();

        $choose_types = array();

        foreach ($args['types'] as $type) {
            if (isset($background_types[$type])) {
                $choose_types[$type] = $background_types[$type];
            }
        }

        $fields['background']['options'] = $choose_types;
        $fields['background']['default'] = key($choose_types);

        return parent::prepare_fields($fields);
    }

    /**
     * Get default options.
     *
     * Retrieve the default options of the button background control.
     * Used to return the default options while initializing the button background control.
     *
     * @since 1.1.0
     *
     * @return array Default background control options.
     */
    protected function get_default_options()
    {
        return array('popover' => false);
    }
}
