<?php
/**
 * Thridify service hosts for the active environment.
 *
 * @package Thridify
 */

namespace Thridify\Support;

defined( 'ABSPATH' ) || exit;

/**
 * Production is the default. "sandbox" (Thridify's development environment) is
 * an enterprise option for testing unpublished experiences; it is only offered
 * when the connected account has sandbox access or the site defines
 * THRIDIFY_ALLOW_SANDBOX.
 */
class Env {

	const PRODUCTION = 'production';
	const SANDBOX    = 'sandbox';

	/**
	 * Hosts per environment.
	 *
	 * @var array<string,array<string,string>>
	 */
	const HOSTS = array(
		self::PRODUCTION => array(
			'viewer'  => 'https://viewer.thridify.com',
			'models'  => 'https://models.thridify.com',
			'shopper' => 'https://admin.thridify.com',
			'api'     => 'https://api.thridify.com',
		),
		self::SANDBOX    => array(
			'viewer'  => 'https://devviewer.thridify.com',
			'models'  => 'https://devmodels.thridify.com',
			'shopper' => 'https://devadmin.thridify.com',
			'api'     => 'https://api-dev.thridify.com',
		),
	);

	/**
	 * The environment the storefront serves.
	 *
	 * @return string
	 */
	public static function current() {
		$env = Settings::get( 'environment' );
		return self::SANDBOX === $env ? self::SANDBOX : self::PRODUCTION;
	}

	/**
	 * Hosts for an environment (filterable for staging setups).
	 *
	 * @param string|null $env Environment; current when null.
	 * @return array<string,string>
	 */
	public static function hosts( $env = null ) {
		$env   = self::SANDBOX === $env ? self::SANDBOX : ( null === $env ? self::current() : self::PRODUCTION );
		$hosts = self::HOSTS[ $env ];

		/**
		 * Filters the Thridify hosts used by the plugin.
		 *
		 * @param array  $hosts viewer, models, shopper and api base URLs.
		 * @param string $env   production|sandbox.
		 */
		$hosts = (array) apply_filters( 'thridify_hosts', $hosts, $env );
		foreach ( $hosts as $key => $url ) {
			$hosts[ $key ] = untrailingslashit( esc_url_raw( (string) $url ) );
		}
		return $hosts;
	}

	/**
	 * One host.
	 *
	 * @param string      $key viewer|models|shopper|api.
	 * @param string|null $env Environment; current when null.
	 * @return string
	 */
	public static function host( $key, $env = null ) {
		$hosts = self::hosts( $env );
		return isset( $hosts[ $key ] ) ? $hosts[ $key ] : '';
	}

	/**
	 * Whether the site may pick the sandbox environment.
	 *
	 * @return bool
	 */
	public static function sandbox_allowed() {
		if ( defined( 'THRIDIFY_ALLOW_SANDBOX' ) && THRIDIFY_ALLOW_SANDBOX ) {
			return true;
		}
		if ( self::SANDBOX === self::current() ) {
			return true;
		}
		$health = \Thridify\Connect\Connection::health( self::PRODUCTION );
		return ! empty( $health['sandboxAccess'] );
	}
}