<?php
/**
 * Prepares the necessary data for the Apple button script.
 *
 * @package WooCommerce\PayPalCommerce\Applepay
 */

declare(strict_types=1);

namespace WooCommerce\PayPalCommerce\Applepay\Assets;

use WooCommerce\PayPalCommerce\WcGateway\Exception\NotFoundException;
use WooCommerce\PayPalCommerce\WcGateway\Settings\Settings;

/**
 * Class DataToAppleButtonScripts
 */
class DataToAppleButtonScripts {

	/**
	 * The URL to the SDK.
	 *
	 * @var string
	 */
	private $sdk_url;
	/**
	 * The settings.
	 *
	 * @var Settings
	 */
	private $settings;

	/**
	 * DataToAppleButtonScripts constructor.
	 *
	 * @param string   $sdk_url The URL to the SDK.
	 * @param Settings $settings The settings.
	 */
	public function __construct( string $sdk_url, Settings $settings ) {
		$this->sdk_url  = $sdk_url;
		$this->settings = $settings;
	}

	/**
	 * Sets the appropriate data to send to ApplePay script
	 * Data differs between product page and cart page
	 *
	 * @param bool $is_block Whether the button is in a block or not.
	 * @return array
	 * @throws NotFoundException When the setting is not found.
	 */
	public function apple_pay_script_data( bool $is_block = false ): array {
		$base_location     = wc_get_base_location();
		$shop_country_code = $base_location['country'];
		$currency_code     = get_woocommerce_currency();
		$total_label       = get_bloginfo( 'name' );
		if ( is_product() ) {
			return $this->data_for_product_page(
				$shop_country_code,
				$currency_code,
				$total_label
			);
		}

		return $this->data_for_cart_page(
			$shop_country_code,
			$currency_code,
			$total_label
		);
	}

	/**
	 * Check if the product needs shipping
	 *
	 * @param \WC_Product $product The product.
	 *
	 * @return bool
	 */
	protected function check_if_need_shipping( $product ) {
		if (
			! wc_shipping_enabled()
			|| 0 === wc_get_shipping_method_count(
				true
			)
		) {
			return false;
		}
		$needs_shipping = false;

		if ( $product->needs_shipping() ) {
			$needs_shipping = true;
		}

		return $needs_shipping;
	}

	/**
	 * Prepares the data for the product page.
	 *
	 * @param string $shop_country_code The shop country code.
	 * @param string $currency_code The currency code.
	 * @param string $total_label The label for the total amount.
	 *
	 * @return array
	 * @throws NotFoundException When the setting is not found.
	 */
	protected function data_for_product_page(
		$shop_country_code,
		$currency_code,
		$total_label
	) {
		$product = wc_get_product( get_the_id() );
		if ( ! $product ) {
			return array();
		}
		$is_variation = false;
		if ( $product->get_type() === 'variable' || $product->get_type() === 'variable-subscription' ) {
			$is_variation = true;
		}
		$product_need_shipping = $this->check_if_need_shipping( $product );
		$product_id            = get_the_id();
		$product_price         = $product->get_price();
		$product_stock         = $product->get_stock_status();
		$type                  = $this->settings->has( 'applepay_button_type' ) ? $this->settings->get( 'applepay_button_type' ) : '';
		$color                 = $this->settings->has( 'applepay_button_color' ) ? $this->settings->get( 'applepay_button_color' ) : '';
		$lang                  = $this->settings->has( 'applepay_button_language' ) ? $this->settings->get( 'applepay_button_language' ) : '';

		return array(
			'sdk_url'  => $this->sdk_url,
			'button'   => array(
				'wrapper'           => 'applepay-container',
				'mini_cart_wrapper' => 'applepay-container-minicart',
				'type'              => $type,
				'color'             => $color,
				'lang'              => $lang,
			),
			'product'  => array(
				'needShipping' => $product_need_shipping,
				'id'           => $product_id,
				'price'        => $product_price,
				'isVariation'  => $is_variation,
				'stock'        => $product_stock,
			),
			'shop'     => array(
				'countryCode'  => $shop_country_code,
				'currencyCode' => $currency_code,
				'totalLabel'   => $total_label,
			),
			'ajax_url' => admin_url( 'admin-ajax.php' ),
		);
	}

	/**
	 * Prepares the data for the cart page.
	 *
	 * @param string $shop_country_code The shop country code.
	 * @param string $currency_code The currency code.
	 * @param string $total_label The label for the total amount.
	 *
	 * @return array
	 */
	protected function data_for_cart_page(
		$shop_country_code,
		$currency_code,
		$total_label
	) {
		$cart = WC()->cart;
		if ( ! $cart ) {
			return array();
		}
		$nonce         = wp_nonce_field( 'woocommerce-process_checkout', 'woocommerce-process-checkout-nonce' );
		$button_markup =
			'<div id="applepay-container">'
			. $nonce
			. '</div>';
		return array(
			'sdk_url'      => $this->sdk_url,
			'button'       => array(
				'wrapper'           => 'applepay-container',
				'mini_cart_wrapper' => 'applepay-container-minicart',
			),
			'product'      => array(
				'needShipping' => $cart->needs_shipping(),
				'subtotal'     => $cart->get_subtotal(),
			),
			'shop'         => array(
				'countryCode'  => $shop_country_code,
				'currencyCode' => $currency_code,
				'totalLabel'   => $total_label,
			),
			'ajax_url'     => admin_url( 'admin-ajax.php' ),
			'buttonMarkup' => $button_markup,
		);
	}
}