<?php
if ( ! defined( 'ABSPATH' ) ) {
    exit;
}

use Elementor\Controls_Manager;
use Elementor\Widget_Base;

class Elementor_Custom_Slider extends Widget_Base {

    public function get_name() {
        return 'custom-slider';
    }

    public function get_title() {
        return esc_html__( 'Custom Slider', 'elementor-addon' );
    }

    public function get_icon() {
        return 'eicon-slides';
    }

    public function get_categories() {
        return [ 'basic' ];
    }

    public function get_keywords() {
        return [ 'slider', 'custom', 'swiper' ];
    }

    protected function register_controls() {

        // ---- Слайди (галерея) ----
        $this->start_controls_section(
            'slides_section',
            [
                'label' => esc_html__( 'Slides', 'elementor-addon' ),
                'tab'   => Controls_Manager::TAB_CONTENT,
            ]
        );

        $this->add_control(
            'slides',
            [
                'label'   => esc_html__( 'Images', 'elementor-addon' ),
                'type'    => Controls_Manager::GALLERY,
                'default' => [],
            ]
        );

        $this->end_controls_section();

        // ---- Текстовий блок поверх ----
        $this->start_controls_section(
            'overlay_section',
            [
                'label' => esc_html__( 'Overlay Content', 'elementor-addon' ),
                'tab'   => Controls_Manager::TAB_CONTENT,
            ]
        );

        $this->add_control(
            'overlay_title',
            [
                'label'       => esc_html__( 'Title', 'elementor-addon' ),
                'type'        => Controls_Manager::TEXT,
                'default'     => esc_html__( 'Custom Slider Title', 'elementor-addon' ),
                'placeholder' => esc_html__( 'Enter title', 'elementor-addon' ),
                'label_block' => true,
            ]
        );

        $this->add_control(
            'overlay_text',
            [
                'label'       => esc_html__( 'Text', 'elementor-addon' ),
                'type'        => Controls_Manager::TEXTAREA,
                'default'     => esc_html__( 'Your description goes here.', 'elementor-addon' ),
                'placeholder' => esc_html__( 'Enter description', 'elementor-addon' ),
                'rows'        => 3,
            ]
        );

        $this->add_control(
            'overlay_link',
            [
                'label'       => esc_html__( 'Button Link', 'elementor-addon' ),
                'type'        => Controls_Manager::URL,
                'placeholder' => 'https://example.com',
                'default'     => [
                    'url'         => '',
                    'is_external' => false,
                    'nofollow'    => false,
                ],
            ]
        );

        $this->add_control(
            'overlay_link_text',
            [
                'label'       => esc_html__( 'Button Text', 'elementor-addon' ),
                'type'        => Controls_Manager::TEXT,
                'default'     => esc_html__( 'Learn more', 'elementor-addon' ),
                'placeholder' => esc_html__( 'Enter button text', 'elementor-addon' ),
                'condition'   => [
                    'overlay_link[url]!' => '',
                ],
            ]
        );

        $this->end_controls_section();

        // ---- Налаштування анімації (необов’язково) ----
        $this->start_controls_section(
            'settings_section',
            [
                'label' => esc_html__( 'Slider Settings', 'elementor-addon' ),
                'tab'   => Controls_Manager::TAB_CONTENT,
            ]
        );

        $this->add_control(
            'autoplay_delay',
            [
                'label'   => esc_html__( 'Autoplay Delay (ms)', 'elementor-addon' ),
                'type'    => Controls_Manager::NUMBER,
                'default' => 4000,
                'min'     => 1000,
                'step'    => 500,
            ]
        );

        $this->add_control(
            'transition_speed',
            [
                'label'   => esc_html__( 'Transition Speed (ms)', 'elementor-addon' ),
                'type'    => Controls_Manager::NUMBER,
                'default' => 1200,
                'min'     => 200,
                'step'    => 100,
            ]
        );

        $this->end_controls_section();
    }

    protected function render() {
        $settings = $this->get_settings_for_display();

        if ( empty( $settings['slides'] ) ) {
            return;
        }

        $slider_id = 'custom-slider-' . $this->get_id();

        $autoplay_delay    = ! empty( $settings['autoplay_delay'] ) ? (int) $settings['autoplay_delay'] : 4000;
        $transition_speed  = ! empty( $settings['transition_speed'] ) ? (int) $settings['transition_speed'] : 1200;

        $overlay_title = ! empty( $settings['overlay_title'] ) ? $settings['overlay_title'] : '';
        $overlay_text  = ! empty( $settings['overlay_text'] ) ? $settings['overlay_text'] : '';
        $overlay_link  = ! empty( $settings['overlay_link']['url'] ) ? $settings['overlay_link'] : null;
        $overlay_link_text = ! empty( $settings['overlay_link_text'] ) ? $settings['overlay_link_text'] : '';

        ?>
        <div id="<?php echo esc_attr( $slider_id ); ?>"
             class="custom-slider-wrapper"
             data-autoplay-delay="<?php echo esc_attr( $autoplay_delay ); ?>"
             data-transition-speed="<?php echo esc_attr( $transition_speed ); ?>">

            <div class="swiper custom-slider-swiper">
                <div class="swiper-wrapper">
                    <?php foreach ( $settings['slides'] as $item ) : 
                        $image_url = ! empty( $item['url'] ) ? $item['url'] : '';
                        if ( ! $image_url ) {
                            continue;
                        }
                    ?>
                        <div class="swiper-slide">
                            <div class="custom-slider-slide-inner">
                                <img src="<?php echo esc_url( $image_url ); ?>"
                                     alt="<?php echo esc_attr( get_post_meta( $item['id'], '_wp_attachment_image_alt', true ) ); ?>">
                            </div>
                        </div>
                    <?php endforeach; ?>
                </div>

                <div class="custom-slider-pagination swiper-pagination"></div>
            </div>

            <?php if ( $overlay_title || $overlay_text ) : ?>
                <div class="custom-slider-overlay">
                    <div class="custom-slider-overlay-inner">
                        <?php if ( $overlay_title ) : ?>
                            <h2 class="custom-slider-title">
                                <?php echo esc_html( $overlay_title ); ?>
                            </h2>
                        <?php endif; ?>

                        <?php if ( $overlay_text ) : ?>
                            <p class="custom-slider-text">
                                <?php echo wp_kses_post( $overlay_text ); ?>
                            </p>
                        <?php endif; ?>

                        <?php if ( $overlay_link && ! empty( $overlay_link['url'] ) ) : 
                            $target = $overlay_link['is_external'] ? ' target="_blank"' : '';
                            $rel    = $overlay_link['nofollow'] ? ' rel="nofollow"' : '';
                        ?>
                            <a class="custom-slider-button"
                               href="<?php echo esc_url( $overlay_link['url'] ); ?>"<?php echo $target . $rel; ?>>
                                <?php echo $overlay_link_text ? esc_html( $overlay_link_text ) : esc_html__( 'Learn more', 'elementor-addon' ); ?>
                            </a>
                        <?php endif; ?>
                    </div>
                </div>
            <?php endif; ?>
        </div>
        <?php
    }
}