import extend from 'smart-extend'
import quickdom from '../quickdom'
import IS from '../checks'
import extendTemplate from './extendTemplate'
import parseTree from './parseTree'
import {_getChildRefs} from '../element/traversing'
import {schema} from './schema'

export default class QuickTemplate
	constructor: (config, isTree)->
		return config if IS.template(config)
		config = if isTree then parseTree(config) else config
		extend @, config
	
	extend: (newValues, globalOpts)->
		new QuickTemplate extendTemplate(@, newValues, globalOpts)

	spawn: (newValues, globalOpts, data)->
		if newValues and newValues.data
			data = newValues.data
			newValues = null if Object.keys(newValues).length is 1
		
		if newValues or globalOpts
			{options, children, type} = extendTemplate(@, newValues, globalOpts)
		else
			{options, children, type} = @
			options = extend.clone(options)

		
		element = quickdom.create([type, options])
		
		if children
			childData = if options.passDataToChildren then data or options.data
			for child in children
				element.append child.spawn(null, null, childData)

		element._postCreation(data)
		return element


### istanbul ignore next ###
QuickTemplate.name ?= 'QuickTemplate'


Object.defineProperty QuickTemplate::, 'child', get: ()->
	@_childRefs or _getChildRefs(@)


quickdom.template = (tree)->
	new QuickTemplate(tree, true)

quickdom.isTemplate = (target)->
	IS.template(target)