require([
    'dojo/date',
    'dojo/date/locale',
    'dojo/hash',
    'dojo/parser',
    'qed/store',
    'qed/app/Content',
    'qed/app/Page',
    'qed/app/Path',
    'qed/lib/async',
    'qed/model/classes/Response',
    'qed/model/classes/SurveyRun',
    'qed/pages/response',
    'dojo/domReady!',
    'qed/stddeps'
],function(date,locale,hash,parser,store,Content,Page,Path,async,Response,SurveyRun,ResponsePage) {
    parser.parse();
    Content.startup();

    function error(msg) {
        Content.set(new Page({
            templateString: "<div>"+msg+"</div>"
        }));
    }

    var path = new Path('/:surveyRunId');
    var params = path.match(hash());
    params.options = params.options || {};

    if ( !params || !params.surveyRunId ) {
        error("Something is wrong with the URL, don't know what survey to show you. Sorry.");
        return;
    }

    var surveyRunId = params.surveyRunId;

    function checkDates(surveyRun) {
        var now = new Date();
        var startDate = SurveyRun.StartDate.get(surveyRun);
        var endDate = SurveyRun.EndDate.get(surveyRun);
        if ( startDate && date.compare(startDate,now) > 0 ) {
            error("This survey will start on "+locale.format(startDate,'date'));
            throw false;
        }
        if ( endDate && date.compare(now,endDate) > 0 ) {
            error("This survey ended on "+locale.format(endDate,'date'));
            throw false;
        }
    }

    store.get(surveyRunId)
    .then(function(surveyRun){
        checkDates(surveyRun);
        if ( params.options.id ) {
            return params.options.id;
        } else {
            if ( surveyRun.mode === "open") {
                var response = Response.create();
                response.surveyRunId = surveyRunId;
                return store.put(response).then(function(res){
                    return store.getIdentity(res);
                });
            } else {
                error("Cannot respond to closed survey without response id. Sorry.");
                throw false;
            }
        }
        return surveyRun;
    },function(){
        error("No running survey found for the given id. Sorry.");
        throw false;
    })
    .then(function(responseId){
        hash(Path.format("/"+surveyRunId,{ id: responseId }));
        Content.set(new ResponsePage({
            surveyRunId: surveyRunId,
            options: {
                id: responseId
            }
        }));
    });
});