var kla_class_to_id = jQuery.parseJSON('{"osp_subject_chi":"1","osp_subject_eng":"2","osp_subject_math":"3","osp_subject_sci":"4","osp_subject_te":"5","osp_subject_pshe":"6","osp_subject_ae":"8","osp_subject_pe":"7","osp_subject_pre-pri":"13","osp_subject_gs":null,"osp_subject_ls":null,"osp_subject_it-for-il":null,"osp_subject_apl":"15","osp_subject_reading-to-learn":null,"osp_subject_crosskla":null,"osp_subject_ge":null,"osp_subject_mce":"17","osp_subject_lwll":null,"osp_subject_sen":null}');
var res_type_class_to_id = jQuery.parseJSON('{"osp_res_type_etv":"21","osp_res_type_lesson_plan":"2","osp_res_type_pack":"4","osp_res_type_worksheet":"1","osp_res_type_note":"5","osp_res_type_project":"19","osp_res_type_activity":"3","osp_res_type_experiment":"10","osp_res_type_reference":"20","osp_res_type_authoring":"14","osp_res_type_story":"11","osp_res_type_e_book":"12","osp_res_type_game":"13","osp_res_type_material":"6","osp_res_type_experience":"15","osp_res_type_article":"16","osp_res_type_work":"17","osp_res_type_report":"18","osp_res_type_software":"7","osp_res_type_diagram":"8","osp_res_type_picture":"9","osp_res_type_other":"10000"}');

// entry point of button
function searchAction() {
	processSearch(false);
}
// entry point of button
function searchAction_suggestion(){
	processSearch(true);
}
// read the webpage and redirect to the search page
function processSearch(is_suggestion){
	// get selected kla, spot, keys
	var kla = [];
	var checked_dom = jQuery('#edbosp-search ul[class*="edbosp-advance-search scope"] input[class^="osp_subject_"]:checked');
	jQuery.each(checked_dom, function(index, value) {		
		var className =  jQuery(value).attr('class');//console.log(className);		
		var kla_id = kla_class_to_id[className];//className e.g. osp_subject_chi
		if (kla_id != undefined) {
			kla.push(kla_id + "");			//console.log(kla_id);
		}
	});
	
	// get selected res_type
	var res_type = [];
	var checked_dom = jQuery('#edbosp-search ul[class*="edbosp-advance-search scope"] input[class^="osp_res_type_"]:checked');
	jQuery.each(checked_dom, function(index, value) {		
		var className =  jQuery(value).attr('class');//console.log(className);		
		var res_type_id = res_type_class_to_id[className];//className e.g. osp_res_type_worksheet
		if (res_type_id != undefined) {
			res_type.push(res_type_id + "");			//console.log(res_type_id);
		}
	});
	
	// get search key
	var search_key = jQuery("#cs-input").val();
	
	if ((search_key == "") && (kla.length === 0) && (res_type.length === 0)) {
		// not display error message and do nothing
	} else {
		var search_object = {};
		if (kla.length > 0) search_object["edbosp_kla_id"] = kla;
		if (res_type.length > 0) search_object["edbosp_res_type_id"] = res_type;
		if (is_suggestion === true) search_object["edbosp_label_id"] = ["1"];

		pageRedirectTest(search_key, search_object);
	}
}

// redirect to the search page
function pageRedirect(search_key, search_type) {
	var req = "";
	if ((typeof search_key != 'undefined') && (search_key != "")) {
		req = "search_key=" + encodeURIComponent(search_key);
	}
	if (typeof search_type != 'undefined') {
		var _temp = "search_type=" + encodeURIComponent(JSON.stringify(search_type));
		if (req.length > 0) {
			req = req + "&" + _temp;
		} else {
			req = _temp;
		}
	}

	window.location.href = "//www.hkedcity.net/edbosp/search/" + "?" + req;
}

function pageRedirectTest(search_key, search_type) {
	var req = "";
	
	if (typeof search_type != 'undefined') {
		req = "search_type=" + encodeURIComponent(JSON.stringify(search_type));		
	}

	if ((typeof search_key != 'undefined') && (search_key != "")) {
		var _temp = "search_key=" + encodeURIComponent(search_key);
		if (req.length > 0) {
			req = req + "&" + _temp;
		} else {
			req = _temp;
		}
	}
	
	window.location.href = "//www.hkedcity.net/edbosp/search/" + "?" + req;
}

jQuery(document).ready(function() {
  jQuery.get("count_handler.php", {}, function(data, textStatus, jqXHR) {
    for (var i in data) {
      var _label = jQuery("li.subject-listing-item span.osp_subject_" + i);
      if (_label.length > 0) {
        _label.css("display", "");
        _label.html(data[i]);
      }
    }
  }, "json");
});