//	Advanced bidding app
//	===============================================
//	Takes in data obj, an element to append to, and utility functions
//
//	Data set:
//	- baseCpm uint8
//	- maxCpm  uint8
//
//	Example data:
//	{
//		"baseCpm" : 0,
//		"maxCpm" : 0
//	}
//
var advancedBidding = (function(){
	'use strict'

	var template = getTemplate(),
		newLines = /\r\n|\n|\r/;

	return newAdvancedBidding;

	function newAdvancedBidding(d, t, fns){ return new AdvancedBidding(d, t, fns); }

	function AdvancedBidding(d, t, fns) {
		var dc = getSimpleJSONCopy(d);
		dc.name = fns.getAppName('advancedBidding');
		var events = new EventManager,
			e = getElementFromString(template, dc),
			eles = new Elements(e, {
				'base' : { 'selector' : 'input[name="baseCPM"]' },
				'max' : { 'selector' : 'input[name="maxCPM"]' },
				'view' : { 'selector' : '.view' },
				'status': {},
				'remove' : { 'target' : new ConfirmationButton(e.querySelector('.remove'), {
					'text' : 'Remove app',
					'noClass' : true,
					'confirmText' : 'Confirm?'
				}, removeAction) }
			});

		eles.status = new ToggleInput(e.querySelector('.toggle'), updateStatus, {
			'initialValue' : d.baseCpm > 0 || d.maxCpm > 0
		});
		events.add(eles.base, 'change', updateBase);
		events.add(eles.max, 'change', updateMax);
		t.appendChild(e);

		this.exit = exit;

		function updateStatus(e) {
			if(e) {
				eles.view.classList.remove('noDisplay');
			} else {
				eles.view.classList.add('noDisplay');
				d.baseCpm = d.maxCpm = 0;
			}
		}

		function updateBase(e){
			var v = parseFloat(e.target.value);
			if(isValid('Base CPM', v)) {
				d.baseCpm = v;
			}
		}

		function updateMax(e){
			var v = parseFloat(e.target.value);
			if(isValid('Max CPM', v)) {
				d.maxCpm = v;
			}
		}

		function removeAction(e){ fns.removeApp('advancedBidding'); }

		function isValid(n,v){ if(isNaN(v)) return setNaNError(n); if (v === 0) return setMinError(n); return true; }
		function setNaNError(n){ if(!!fns && !!fns.setError) fns.setError('Sorry, please set ' + n + ' limit to a valid number.'); return false; }
		function setMinError(n){ if(!!fns && !!fns.setError) fns.setError('Sorry, please set ' + n + ' limit to a number greater than 0.'); return false; }

		function exit(){ if(!!e) removeChild(t, e); if(!!events) events.reset(); if(!!eles) eles.exit(); housekeeping(); }
		function housekeeping(){ events = e = eles = null; }
	}

	function getTemplate(){
		var base = '<row><h3>Base CPM:</h3><input name="baseCPM" type="text" placeholder="2.00" value="{{ baseCpm }}"></row>',
			max = '<row><h3>Max CPM:</h3><input name="maxCPM" type="text" placeholder="2.00" value="{{ maxCpm }}"></row>',
			toggle = '<div class="toggle"></div>',
			remove = '<div class="remove"></div>',
			view = '<div class="view">' + base + max + '</div>',
			h = '<h3 class="medium">{{ name }}:</h3>';
		
		return '<row class="advancedBidding">' + h + toggle + remove + view + '</row>';
		
	}
})();