WordPress İçin Kupon Kodu Butonu

<?php
/*
Plugin Name: Floating Coupon Button
Description: Sağ alt köşede kupon kodu gösteren buton.
Version: 1.0
Author: Senin İsmin
*/

// Admin ayarlarını ekle
function fcb_add_admin_menu() {
    add_options_page(
        'Floating Coupon',
        'Floating Coupon',
        'manage_options',
        'floating-coupon',
        'fcb_options_page'
    );
}
add_action('admin_menu', 'fcb_add_admin_menu');

function fcb_settings_init() {
    register_setting('fcb_settings', 'fcb_options');

    add_settings_section(
        'fcb_section',
        'Kupon Ayarları',
        null,
        'floating-coupon'
    );

    add_settings_field(
        'fcb_campaign',
        'Kampanya Adı',
        'fcb_campaign_render',
        'floating-coupon',
        'fcb_section'
    );

    add_settings_field(
        'fcb_code',
        'Kupon Kodu',
        'fcb_code_render',
        'floating-coupon',
        'fcb_section'
    );

    add_settings_field(
        'fcb_enabled',
        'Aktif/Pasif',
        'fcb_enabled_render',
        'floating-coupon',
        'fcb_section'
    );
}
add_action('admin_init', 'fcb_settings_init');

function fcb_campaign_render() {
    $options = get_option('fcb_options');
    ?>
    <input type='text' name='fcb_options[fcb_campaign]' value='<?php echo $options['fcb_campaign'] ?? ''; ?>'>
    <?php
}

function fcb_code_render() {
    $options = get_option('fcb_options');
    ?>
    <input type='text' name='fcb_options[fcb_code]' value='<?php echo $options['fcb_code'] ?? ''; ?>'>
    <?php
}

function fcb_enabled_render() {
    $options = get_option('fcb_options');
    ?>
    <input type='checkbox' name='fcb_options[fcb_enabled]' <?php checked($options['fcb_enabled'], 'on'); ?>>
    <?php
}

function fcb_options_page() {
    ?>
    <form action='options.php' method='post'>
        <?php
        settings_fields('fcb_settings');
        do_settings_sections('floating-coupon');
        submit_button();
        ?>
    </form>
    <?php
}

// Ön yüzde butonu göster
function fcb_display_coupon() {
    $options = get_option('fcb_options');
    if (!empty($options['fcb_enabled']) && $options['fcb_enabled'] === 'on') {
        $campaign = esc_html($options['fcb_campaign']);
        $code = esc_html($options['fcb_code']);
        ?>
        <div class="coupon-button" onclick="copyCoupon('<?php echo $code; ?>')">
            <?php echo $campaign; ?>: <strong><?php echo $code; ?></strong>
        </div>
        <script>
        function copyCoupon(code) {
            navigator.clipboard.writeText(code).then(function() {
                alert("Kupon kodu kopyalandı: " + code);
            });
        }
        </script>
        <style>
        .coupon-button {
            position: fixed;
            bottom: 20px;
            right: 20px; /* SAĞ ALT KÖŞE */
            background-color: #25D366;
            color: #fff;
            padding: 12px 18px;
            border-radius: 8px;
            font-weight: bold;
            font-size: 14px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.2);
            z-index: 9999;
            cursor: pointer;
            transition: transform 0.2s ease;
        }
        .coupon-button:hover {
            transform: scale(1.05);
        }
        .coupon-button strong {
            background: #fff;
            color: #25D366;
            padding: 2px 6px;
            border-radius: 4px;
        }
        </style>
        <?php
    }
}
add_action('wp_footer', 'fcb_display_coupon');