<?php
/**
 * Shared options-engine pricing helpers.
 *
 * Loaded by engine.php alongside swatches. price_to_display is called from the
 * storefront, the cart, the product class and the add-to-cart template, so it
 * belongs in the engine itself rather than in any optional module.
 */

defined( 'ABSPATH' ) || exit;

/**
 * The amount to *display* for a bundle-side price, in the store's chosen tax
 * basis (the "Display prices in the shop" setting). This is display only:
 * charging never reads it - the cart engine prices the line from the raw
 * component prices (see addon_boss_set_cart_item_price) and WooCommerce
 * applies tax there. It mirrors what WC_Product::get_price_html() does for a
 * normal product, so a bundle's shown price reads in the same incl/excl-tax
 * basis as the rest of the catalogue instead of the raw stored figure.
 *
 * $ref is the product whose tax status/class applies: the component product
 * for an item price, the bundle itself for a box-size or whole-bundle price.
 * With taxes off (or a non-taxable product) WooCommerce returns the figure
 * unchanged, so this is a no-op on stores that do not charge tax.
 *
 * @param WC_Product $ref The product whose tax status/class governs the price.
 * @param float      $raw The raw stored price.
 * @return float The price to display, in the shop's tax basis.
 */
function addon_boss_price_to_display( WC_Product $ref, float $raw, string $context = 'shop' ): float {
	if ( $raw <= 0 ) {
		return 0.0;
	}
	// WooCommerce has TWO display settings - "in the shop" and "during cart and
	// checkout" - and a store may set them differently, so the caller says which
	// one applies. Core reads the right option itself: 'cart' picks
	// woocommerce_tax_display_cart, anything else woocommerce_tax_display_shop.
	// We require WC 8.0 and display_context landed in 7.6, so it is always there.
	return (float) wc_get_price_to_display(
		$ref,
		array(
			'price'           => $raw,
			'qty'             => 1,
			'display_context' => $context,
		)
	);
}

/**
 * A product's base price to CHARGE, in base currency. When a currency switcher
 * is converting (active currency differs from the store base), read the raw
 * edit-context price so the sum is one clean base figure the switcher converts
 * exactly once. With nothing converting, active equals base and this is exactly
 * get_price(), so sales, tax and role pricing are untouched. Shared by the
 * standalone options price path and the bundle component sum, so both follow one
 * currency rule.
 */
function addon_boss_base_price( WC_Product $product ): float {
	if ( get_option( 'woocommerce_currency' ) !== get_woocommerce_currency() ) {
		return (float) $product->get_price( 'edit' );
	}
	return (float) $product->get_price();
}