<?php
/**
 * WooCommerce Settings Integration
 *
 * Adds Tier & Package Prices settings to WooCommerce Settings > Advanced tab
 *
 * @package WC_Tier_Package_Prices
 */

if (!defined('ABSPATH')) {
    exit;
}

if (!class_exists('WC_Settings_Page')) {
    return;
}

/**
 * WC_TPP_Settings class
 */
class WC_TPP_Settings extends WC_Settings_Page {

    /**
     * Constructor
     */
    public function __construct() {
        $this->id    = 'tier_package_prices';
        $this->label = __('Tier & Package Prices', 'wc-tier-package-prices');

        parent::__construct();
    }

    /**
     * Get sections
     *
     * @return array
     */
    public function get_sections() {
        $sections = array(
            '' => __('General', 'wc-tier-package-prices'),
        );

        return apply_filters('woocommerce_get_sections_' . $this->id, $sections);
    }

    /**
     * Get settings array
     *
     * @param string $current_section Current section name.
     * @return array
     */
    public function get_settings($current_section = '') {
        $settings = array();

        if ('' === $current_section) {
            $settings = array(
                array(
                    'title' => __('Tier & Package Prices Settings', 'wc-tier-package-prices'),
                    'type'  => 'title',
                    'desc'  => __('Configure tier pricing and package pricing options for your WooCommerce products.', 'wc-tier-package-prices'),
                    'id'    => 'wc_tpp_settings',
                ),

                array(
                    'title'    => __('Enable Tier Pricing', 'wc-tier-package-prices'),
                    'desc'     => __('Enable tier pricing for products', 'wc-tier-package-prices'),
                    'id'       => 'wc_tpp_enable_tier_pricing',
                    'default'  => 'yes',
                    'type'     => 'checkbox',
                    'desc_tip' => __('Allow quantity-based pricing tiers. Customers get discounted prices when buying in larger quantities.', 'wc-tier-package-prices'),
                ),

                array(
                    'title'    => __('Enable Package Pricing', 'wc-tier-package-prices'),
                    'desc'     => __('Enable fixed-price packages for products', 'wc-tier-package-prices'),
                    'id'       => 'wc_tpp_enable_package_pricing',
                    'default'  => 'yes',
                    'type'     => 'checkbox',
                    'desc_tip' => __('Allow fixed-price packages with specific quantities. For example: 10 pieces for $50, 25 pieces for $100.', 'wc-tier-package-prices'),
                ),

                array(
                    'title'    => __('Display Pricing Table', 'wc-tier-package-prices'),
                    'desc'     => __('Show tier and package pricing table on product pages', 'wc-tier-package-prices'),
                    'id'       => 'wc_tpp_display_table',
                    'default'  => 'yes',
                    'type'     => 'checkbox',
                    'desc_tip' => __('Display the pricing table to customers on product pages.', 'wc-tier-package-prices'),
                ),

                array(
                    'title'    => __('Display Position', 'wc-tier-package-prices'),
                    'desc'     => __('Choose where to display the pricing table on product pages.', 'wc-tier-package-prices'),
                    'id'       => 'wc_tpp_display_position',
                    'default'  => 'after_add_to_cart',
                    'type'     => 'select',
                    'class'    => 'wc-enhanced-select',
                    'css'      => 'min-width:300px;',
                    'desc_tip' => true,
                    'options'  => array(
                        'before_add_to_cart' => __('Before Add to Cart Button', 'wc-tier-package-prices'),
                        'after_add_to_cart'  => __('After Add to Cart Button', 'wc-tier-package-prices'),
                        'after_price'        => __('After Price', 'wc-tier-package-prices'),
                    ),
                ),

                array(
                    'title'    => __('Restrict to Package Quantities', 'wc-tier-package-prices'),
                    'desc'     => __('Limit quantities to defined package sizes only', 'wc-tier-package-prices'),
                    'id'       => 'wc_tpp_restrict_package_quantities',
                    'default'  => 'no',
                    'type'     => 'checkbox',
                    'desc_tip' => __('When enabled, customers can only purchase products in the exact quantities defined in packages. The quantity input field will be hidden and replaced with package selection buttons.', 'wc-tier-package-prices'),
                ),

                array(
                    'type' => 'sectionend',
                    'id'   => 'wc_tpp_settings',
                ),
            );
        }

        return apply_filters('woocommerce_get_settings_' . $this->id, $settings, $current_section);
    }

    /**
     * Output the settings
     */
    public function output() {
        $settings = $this->get_settings();
        WC_Admin_Settings::output_fields($settings);
    }

    /**
     * Save settings
     */
    public function save() {
        $settings = $this->get_settings();
        WC_Admin_Settings::save_fields($settings);
    }
}

return new WC_TPP_Settings();