/* FontAwesome inclusion */
var cssId = 'fontAwesome';
	if (!document.getElementById(cssId))
	{
		var head  = document.getElementsByTagName('head')[0];
		var link  = document.createElement('link');
		link.id   = cssId;
		link.rel  = 'stylesheet';
		link.type = 'text/css';
		link.href = 'https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css';
		link.media = 'all';
		head.appendChild(link);
	}

$(document).on('click', function(e){
	$('.issue .attributes .attribute .value').removeClass('edited');
	if($(e.target).closest('.value').length) {
        $(e.target).closest('.value').addClass('edited');
    }
});

function initEditFields()
{
	/* Put new dropdown lists in the detailed info block */	
	if($('#statusListDropdown').length > 0) {
		var htmlCopy = $('#statusListDropdown').get(0).outerHTML;
		$('#statusListDropdown').remove();
		$('.details .attributes .status.attribute .value').html( '<span class="showValue">' + 
			$('.details .attributes .status.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}
		  
	if($('#usersListDropdown').length > 0) {
		var htmlCopy = $('#usersListDropdown').get(0).outerHTML;
		$('#usersListDropdown').remove();
		$('.details .attributes .assigned-to.attribute .value').html( '<span class="showValue">' + 
			$('.details .attributes .assigned-to.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}
		  
	if($('#prioritiesListDropdown').length > 0) {
		var htmlCopy = $('#prioritiesListDropdown').get(0).outerHTML;
		$('#prioritiesListDropdown').remove();
		$('.details .attributes .priority.attribute .value').html( '<span class="showValue">' + 
			$('.details .attributes .priority.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}

	if($('#doneRatioListDropdown').length > 0) {
		var htmlCopy = $('#doneRatioListDropdown').get(0).outerHTML;
		$('#doneRatioListDropdown').remove();
		$('.details .attributes .progress.attribute .value').html('<span class="showValue">' + 
			$('.details .attributes .progress.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}

	if($('#EstimatedTimeInput').length > 0) {
		var htmlCopy = $('#EstimatedTimeInput').get(0).outerHTML;
		$('#EstimatedTimeInput').remove();
		$('.details .attributes .estimated-hours.attribute .value').html('<span class="showValue">' + 
			$('.details .attributes .estimated-hours.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}

	if($('#StartDateInput').length > 0) {
		var htmlCopy = $('#StartDateInput').get(0).outerHTML;
		$('#StartDateInput').remove();
		$('.details .attributes .start-date.attribute .value').html('<span class="showValue">' + 
			$('.details .attributes .start-date.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}

	if($('#DueDateInput').length > 0) {
		var htmlCopy = $('#DueDateInput').get(0).outerHTML;
		$('#DueDateInput').remove();
		$('.details .attributes .due-date.attribute .value').html('<span class="showValue">' + 
			$('.details .attributes .due-date.attribute .value').html() + '</span> <i class="fa fa-pencil fa-fw" aria-hidden="true"></i>' +
			htmlCopy);
	}
}

initEditFields();	


$('body.controller-issues.action-show').on('click', '.btn.close', function(e){
	e.preventDefault();
	$(e.target).closest('.value').removeClass('edited');
	return false;
});

function issueDynamicUpdate(field_name, field_value, type, cssClass){
	
	/* hide edit field */
	$('.details .attributes .' + cssClass + '.attribute .value').removeClass('edited');

	/* add spin notification */
	if(type == "progress") { // specific case for progress bar
		$('.details .attributes .' + cssClass + '.attribute .value').append(' <i class="fa fa-refresh fa-spin fa-fw"></i>');
	} else {
		$('.details .attributes .' + cssClass + '.attribute .value').append(' <i class="fa fa-refresh fa-spin fa-fw"></i>');
	}
	
	/* update value displayed */
	$('.details .attributes .' + cssClass + '.attribute .showValue').html(function(){
		if(type == "select")
		{
			return $('.details .attributes .' + cssClass + '.attribute .value select option:selected').html()
		} else if (type == "input")
		{
			return $('.details .attributes .' + cssClass + '.attribute .value input').val()
		} else if(type == "date")
		{
			return "XXXX/XX/XX";
		}
	});
	
	/* lost focus on element */
	if( type != "select")
	{
		$('.details .attributes .' + cssClass + '.attribute .value input').blur();
	}
	
	var token = $("meta[name=csrf-token]").attr('content');
	// we prepare the return url which is the updated issue detail page with new values
	var prepareReturnUrl = encodeURIComponent(_BASE_REDMINE_PATH + '/issues/' + _ISSUE_ID);
	jQuery.ajax({
	    type: 'POST',
	    url: _BASE_REDMINE_PATH + '/issues/bulk_update?back_url=' + prepareReturnUrl + '&amp;ids%5B%5D=' + _ISSUE_ID + '&amp;issue%5B' + field_name + '%5D=' + field_value,
	    data: { "authenticity_token" : token },
		crossDomain: true,
	    async: false,
	    beforeSend: function(xhr) {
	        xhr.setRequestHeader("authenticity_token", token);
	    },
	    success: function(msg) {
	    	/* get result page content (updated issue detail page with new status) */
	    	var parsed = $.parseHTML(msg);
			
			/* we update the details block */
			$('div.issue.details').html($(parsed).find('div.issue.details').html());
			/* we init edit fields */
			initEditFields();
			initEditFieldListeners();

			/* we update issue properties edit block */
			$('#all_attributes').html($(parsed).find('#all_attributes').html());
			
			/* we update the history list */
			$('#history').append($(parsed).find('#history .journal.has-details:last-child'));

			/* data updated, remove spin and add success icon for 2sec */
			setTimeout(function(){
				$('.details .attributes .' + cssClass + '.attribute i.fa-spin').removeClass('fa-refresh fa-spin').addClass('fa-check statusOk');
				setTimeout(function(){
					$('.details .attributes .' + cssClass + '.attribute i.fa-check.statusOk').remove();
				}, 2000);
			}, 500);
	
			// update other fields to avoid conflict
			$('#issue_lock_version').val(parseInt($('#issue_lock_version').val()) + 1 );
			$('#last_journal_id').val(parseInt($('#last_journal_id').val()) + 1 );

		},
	    error: function(xhr, msg, error) {
			/* error and no update, info logged into console */
			console.log('%c -------- Error while updating the issue attribute dynamically -------- ', 'background: #ff0000; color: white; font-weight:900');
			console.log('%c xhr data: ', 'background: black; color: white;');
			console.log(xhr);
			console.log('%c msg data: ', 'background: black; color: white;');
			console.log(msg);
			console.log('%c error data: ', 'background: black; color: white;');;
			console.log(error);
			console.log('%c ---------------------------------------------------------- ', 'background: #ff0000; color: white; font-weight:900');
			$('.details .attributes .' + cssClass + '.attribute i.fa-spin').removeClass('fa-refresh fa-spin').addClass('fa-times').html(" " + _TXT_ERROR_AJAX_CALL);
				setTimeout(function(){
					$('.details .attributes .' + cssClass + '.attribute i.fa-times').remove();
				}, 2000);
		}
	 });
};

/* Listeners foreach attribute */
function initEditFieldListeners()
{
	 var domSelectStatus = $('body').find('#statusListDropdown select');
	 domSelectStatus.on('change', function(e){ 
		issueDynamicUpdate('status_id', domSelectStatus.val(), 'select', 'status');

		/* update the classes status from */
		$("#content > div.issue").removeClass(function (index, className) {
			return (className.match (/(^|\s)status-\S+/g) || []).join(' ');
		}).addClass('status-' + domSelectStatus.val());
	 }); /* end on change domSelectStatus */
		  
	 var domSelectPriorities = $('body').find('#prioritiesListDropdown select');
	 domSelectPriorities.on('change', function(e){
		issueDynamicUpdate('priority_id', domSelectPriorities.val(), 'select', 'priority');

		/* update the classes priority from */
		$("#content > div.issue").removeClass(function (index, className) {
			return (className.match (/(^|\s)priority-\S+/g) || []).join(' ');
		}).addClass('priority-' + domSelectStatus.val());
	 }); /* end on change domSelectPriorities */
		  
	 var domSelectUsers = $('body').find('#usersListDropdown select');
	 domSelectUsers.on('change', function(e){
		issueDynamicUpdate('assigned_to_id', domSelectUsers.val(), 'select', 'assigned-to');
	 }); /* end on change domSelectUsers */
	 
	 var domSelectRatio = $('body').find('#doneRatioListDropdown select');
	 domSelectRatio.on('change', function(e){
		issueDynamicUpdate('done_ratio', domSelectRatio.val(), 'progress', 'progress');
	 }); /* end on change domSelectRatio */
	 
	 var domInputEstimatedTime = $('body').find('#EstimatedTimeInput input');
	 $('#EstimatedTimeInput a.btn.validate').on('click', function(e)
	 {
		e.preventDefault();
		$('.estimated-hours .value .error').remove();
		var estimatedTime = parseFloat(domInputEstimatedTime.val());
		if(estimatedTime >= 0)
		{
			issueDynamicUpdate('estimated_hours', estimatedTime, 'input', 'estimated-hours');
		} else {
			/* estimated time must be > 0 */
			$('.estimated-hours .value').append('<span class="error"><i class="fa fa-exclamation-circle" aria-hidden="true"></i> ' + _TXT_ERROR_POSITIVE_NUMBER + '</span>');
		}
		return false;
	 });
	 
	 domInputEstimatedTime.on('keyup', function(e){
		$('.details .attributes .estimated-hours.attribute .selectedValue span').html(
			$('.details .attributes .estimated-hours.attribute .value input').val()
		);
		if (e.keyCode == 13) {
			$('#EstimatedTimeInput a.btn.validate').click();
		}
	 });/* end EstimatedTime */
	 
	 var domInputStartDate = $('body').find('#StartDateInput input');
	 $('#StartDateInput a.btn.validate').on('click', function(e)
	 {
		e.preventDefault();
		$('.start-date .value .error').remove();
		if(new Date(domInputStartDate.val()).getTime() <= new Date($('body').find('#DueDateInput input').val()).getTime())
		{
			issueDynamicUpdate('start_date', domInputStartDate.val(), 'date', 'start-date');
		} else {
			/* start date must be < due date */
			$('.start-date .value').append('<span class="error"><i class="fa fa-exclamation-circle" aria-hidden="true"></i> ' + _TXT_ERROR_START_DATE + '</span>');
		}
		return false;
	 }); 
	 
	 domInputStartDate.on('keyup', function(e){
		if (e.keyCode == 13) {
			$('#StartDateInput a.btn.validate').click();
		}
	 });/* end StartDate */
	 
	 var domInputDueDate = $('body').find('#DueDateInput input');
	 $('#DueDateInput a.btn.validate').on('click', function(e)
	 {
		e.preventDefault();
		$('.due-date .value .error').remove();
		if(new Date($('body').find('#StartDateInput input').val()).getTime() <= new Date(domInputDueDate.val()).getTime())
		{
			issueDynamicUpdate('due_date', domInputDueDate.val(), 'date', 'due-date');
		} else {
			/* start date must be < due date */
			$('.due-date .value').append('<span class="error"><i class="fa fa-exclamation-circle" aria-hidden="true"></i> ' + _TXT_ERROR_DUE_DATE + '</span>');
		}
		return false;
	 }); 
	 
	 domInputDueDate.on('keyup', function(e){
		if (e.keyCode == 13) {
			$('#DueDateInput a.btn.validate').click();
		}
	 });/* end StartDate */
}	

initEditFieldListeners();