<?php
function pageflow_customize_register( $wp_customize ) {
    /**
     * Pageflow Theme Panel
     */
    $wp_customize->add_panel(
        'pageflow_panel',
        array(
            'title'       => __( 'Pageflow Theme', 'pageflow-2k21' ),
            'description' => esc_html__( 'Customize Pageflow Theme', 'pageflow-2k21' ),
            'priority'    => 0,
        )
    );

    /**
     * Footer Copyright Area Section.
     */
    $wp_customize->add_section(
        'pageflow_footer_copyright_area_section',
        array(
            'title'       => esc_html__( 'Footer Copyright Area', 'pageflow-2k21' ),
            'description' => __( 'Modify <b>Footer Copyright Area</b>.', 'pageflow-2k21' ),
            'panel'       => 'pageflow_panel',
            'priority'    => 15,
        )
    );

    // Default copyright.
    $wp_customize->add_setting(
        'pageflow_footer_copyright_area_checkbox',
        array(
            'default'           => true,
            'transport'         => 'postMessage',
            'sanitize_callback' => 'pageflow_sanitize_checkbox',
        )
    );

    $wp_customize->add_control(
        'pageflow_footer_copyright_area_checkbox',
        array(
            'label'       => __( 'Enable/Disable Default Copyright.', 'pageflow-2k21' ),
            'description' => __( 'This checkbox, once <b>unchecked</b>,<br>removes <b>Default Copyright.</b>', 'pageflow-2k21' ),
            'section'     => 'pageflow_footer_copyright_area_section',
            'type'        => 'checkbox',
        )
    );

    $wp_customize->selective_refresh->add_partial(
        'pageflow_footer_copyright_area_checkbox',
        array(
            'selector'        => '#site-info',
            'settings'        => array( 'pageflow_footer_copyright_area_checkbox' ),
            'render_callback' => 'pageflow_site_info',
        )
    );

    // Custom copyright.
    $wp_customize->add_setting(
        'pageflow_custom_copyright_textarea',
        array(
            'default'           => '',
            'transport'         => 'postMessage',
            'sanitize_callback' => 'wp_kses_post', // Allow html.
        )
    );

    $wp_customize->add_control(
        'pageflow_custom_copyright_textarea',
        array(
            'label'       => esc_html__( 'Custom Copyright Textarea', 'pageflow-2k21' ),
            'description' => __( 'To display a <b>Custom Copyright</b>,<br><b>uncheck</b> the <b>Default Copyright</b> checkbox,<br>then type a custom copyright in the textarea.<br><b>HTML</b> is allowed !', 'pageflow-2k21' ),
            'section'     => 'pageflow_footer_copyright_area_section',
            'type'        => 'textarea',
            'input_attrs' => array(
                'style'       => 'border: 1px solid #999',
                'placeholder' => __( 'Enter Custom Copyright...', 'pageflow-2k21' ),
            ),
        )
    );

    $wp_customize->selective_refresh->add_partial(
        'pageflow_custom_copyright_textarea',
        array(
            'selector'        => '#site-info',
            'settings'        => array( 'pageflow_custom_copyright_textarea' ),
            'render_callback' => 'pageflow_site_info',
        )
    );

}

if ( ! function_exists('pageflow_sanitize_checkbox' ) ) {
    /**
     * Switch sanitization
     *
     * @param string $input Switch value.
     * @return integer  Sanitized value
     */
    function pageflow_sanitize_checkbox( $input ) {
        if ( false === $input ) {
            return 0;
        } else {
            return 1;
        }
    }
}
add_action( 'customize_register', 'pageflow_customize_register' );