define([
    'dojo/_base/declare',
    'dojo/_base/event',
    'dojo/_base/lang',
    'dojo/when',
    '../app/Content',
    '../app/Router',
    '../lib/func',
    '../store',
    '../app/Page',
    '../model/classes/SurveyRun',
    '../widgets/LineWithActionsWidget',
    'dojo/text!./templates/surveyRun.html'
],function(declare,event,lang,when,Content,Router,func,store,Page,SurveyRun,LineWithActionsWidget,template){
    return declare([Page],{
        templateString: template,
        surveyRun: null,
        startup: function() {
            if ( this._started ) { return; }
            this.inherited(arguments);
            this.propertiesForm.on("blur",lang.hitch(this,'_onPropChange'));
            if ( this.surveyRunId ) {
                this._loadSurveyRun();
                this._loadResponses();
            } else {
                throw "No valid uid or survey passed!";
            }
        },
        _loadSurveyRun: function() {
            when(store.get(this.surveyRunId))
            .then(lang.hitch(this,function(surveyRun){
                this.surveyRun = surveyRun;
                this.refreshSurveyRun();
            }));
        },
        refreshSurveyRun: function() {
            this.titleNode.innerHTML = SurveyRun.DisplayTitle.get(this.surveyRun);
            this.surveyNode.set('value',SurveyRun.Survey.get(this.surveyRun));
            this.propertiesForm.set('value',this.surveyRun);
            this._onPropChange();
        },
        _loadResponses: function() {
            when(store.query("_design/responses/_view/by_surveyrun",{key:this.surveyRunId}))
            .forEach(lang.hitch(this,function(response){
                var actions = {
                    view: {
                        callback: function(){},
                        properties: {
                            title: "View response"
                        }
                    }
                };
                if ( !response.publicationDate ) {
                    actions.remove = {
                        callback: function(){},
                        properties: {
                            title: "Remove response"
                        }
                    };
                }
                var w = new LineWithActionsWidget({
                    actions: actions
                });
                var responseId = store.getIdentity(response);
                w.set('title',this._link(this._getResponseURL(this.surveyRunId,responseId),responseId));
                w.placeAt(this.responsesNode);
            }));
        },
        _onPropChange: function(e) {
            var surveyRun = this.propertiesForm.get('value');
            if ( surveyRun.mode === "open" ) {
                this.runURLNode.innerHTML = this._link(this._getGeneralURL(store.getIdentity(this.surveyRun)));
            } else {
                this.runURLNode.innerHTML = "No general URL. Add individual respondents below.";
            }
        },
        _getGeneralURL: function(surveyRunId) {
            return 'response.html#!/'+surveyRunId;
        },
        _getResponseURL: function(surveyRunId,responseId) {
            return 'response.html#!/'+surveyRunId+'!id='+responseId;
        },
        _link: function(url,label) {
            return '<a target="_black" href="'+url+'">'+(label || url)+'</a>';
        },
        _onSave: function(evt) {
            lang.mixin(this.surveyRun,this.propertiesForm.get('value'));
            var not = function(p){ return !p; };
            func.modPropIf(this.surveyRun,"startDate",not.compose(lang.isString),store.formatDate);
            func.modPropIf(this.surveyRun,"endDate",not.compose(lang.isString),store.formatDate);
            store.put(this.surveyRun)
            .then(function() { 
                Router.go('/surveys');
            },function(err){
                Content.notify(err);
            });
            event.stop(evt);
            return false;
        },
        _onDiscard: function(evt) {
            Router.go('/surveys');
        }
    });
});