<?php

    function botblockr_init() {
		global $CONFIG;

		elgg_extend_view('css', 'botblockr/css');

		if (botblockr_do_fallback()) {
			$CONFIG->disable_registration = true;
		} else {
			if (botblockr_recaptcha_set()) {
				// Override registration form
				set_view_location('account/forms/register', $CONFIG->path . 'mod/botblockr/views/');
				// Override registration action
				register_action("register", true, $CONFIG->pluginspath . 'botblockr/actions/recaptcha_register.php');
				// Unregister captcha hook
				unregister_plugin_hook('action', 'register', 'captcha_verify_action_hook');
			}
		}
	}

    function botblockr_do_fallback() {
		if (botblockr_recaptcha_set()) {
			return false;
		}
		return true;
	}

    function botblockr_recaptcha_set() {
		if (botblockr_get_public_key() && botblockr_get_private_key()) {
			return true;
		}
		return false;
	}

	function botblockr_get_public_key() {
		return get_plugin_setting('recaptcha_key_public', 'botblockr');
	}

	function botblockr_get_private_key() {
		return get_plugin_setting('recaptcha_key_private', 'botblockr');
	}

	function botblockr_handle_recaptcha_error($code) {
		/*translation:Something is wrong with CAPTCHA. Please contact site administrator.*/
		$answer = elgg_echo('botblockr:recaptcha_unknown_error');
		switch($code) {
		case "invalid-site-public-key":
			/*translation:CAPTCHA public key seems to be invalid. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_invalid_public_key');
			break;
		case "invalid-site-private-key":
			/*translation:CAPTCHA private key seems to be invalid. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_invalid_private_key');
			break;
		case "invalid-request-cookie":
			/*translation:CAPTCHA challenge parameter of the verify script was incorrect. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_invalid_request_cookie');
			break;
		case "incorrect-captcha-sol":
			/*translation:Sorry, the text that you entered did not match the text in the image.*/
			$answer = elgg_echo('botblockr:recaptcha_incorrect_captcha_sol');
			break;
		case "verify-params-incorrect":
			/*translation:CAPTCHA parameters to verify were incorrect. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_verify_params_incorrect');
			break;
		case "invalid-referrer":
			/*translation:CAPTCHA keys provided do not belong to a domain of usage. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_invalid_referrer');
			break;
		case "recaptcha-not-reachable":
			/*translation:CAPTCHA verify server unreachable. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_not_reachable');
			break;
		default:
		    /*translation:Something is wrong with CAPTCHA. Please contact site administrator.*/
			$answer = elgg_echo('botblockr:recaptcha_unknown_error');
			break;
		}
		return $answer;
	}

	function botblockr_fake_set() {
		if (botblockr_get_fake_name()) {
			return true;
		}
		return false;
	}

	function botblockr_get_fake_name() {
		return get_plugin_setting('fake_field_name', 'botblockr');
	}

	function botblockr_site_password_set() {
		if (botblockr_get_site_password()) {
			return true;
		}
		return false;
	}

	function botblockr_get_site_password() {
		return get_plugin_setting('site_password', 'botblockr');
	}

	function botblockr_get_split_names() {
		return get_plugin_setting('split_names', 'botblockr');
	}

	function botblockr_split_names_set() {
		if (botblockr_get_split_names() == 1) {
			return true;
		}
		return false;
	}

    // Initialize
	register_elgg_event_handler('init', 'system', 'botblockr_init');
?>