<template>
	<!-- change class to .master-note-edit to have it popup on the screen  -->
	<div 
		id="InputNotes" 
		class="master-note-edit full-focus position-0" 
		@keyup.esc="closeButtonAction()"
	>

		<!-- Giant Edit Note Menu  -->
		<div class="edit-menu" :class="{ 'slide-out-top':(sizeDown == true) }">

			<!-- edit spacer is disabled, it is helpful if menu gets bigger. It adds a left margin, starting the icons at the edge of the note  -->
			<div class="edit-spacer"></div>

			<div class="menu-top-half">
				<div class="edit-button" v-on:click="closeButtonAction()" data-tooltip="Close" data-position="bottom center" data-inverted>
					<i class="close icon"></i>
				</div>

				<div class="edit-divide"></div>

				<div class="edit-button" v-on:click="toggleList('ul')" data-tooltip="Task List" data-position="bottom center" data-inverted :class="{'edit-active':activeToDo}">
					<i class="tasks icon"></i>
				</div>
				<div class="edit-button" v-on:click="toggleList('ol')" data-tooltip="Numbered List" data-position="bottom center" data-inverted :class="{'edit-active':activeList}">
					<i class="list ol icon"></i>
				</div>

				<div class="edit-divide"></div>

				<div class="edit-button" v-on:click="colorpicker = true" data-tooltip="Text Color" data-position="bottom center" data-inverted :style="{'color':activeColor}">
					<i class="font icon"></i>
				</div>

				<div class="edit-button" v-on:click="toggleBold()" data-tooltip="Bold" data-position="bottom center" data-inverted :class="{'edit-active':activeBold}">
					<i class="bold icon"></i>
				</div>

				<div class="edit-button" v-on:click="toggleItalic()" data-tooltip="Italic" data-position="bottom center" data-inverted :class="{'edit-active':activeItalics}">
					<i class="italic icon"></i>
				</div>

				<div class="edit-button" v-on:click="toggleUnderline()" data-tooltip="Underline" data-position="bottom center" data-inverted :class="{'edit-active':activeUnderline}">
					<i class="underline icon"></i>
				</div>

				<div class="edit-button" v-on:click="modifyFont('1.4em')" data-tooltip="Title" data-position="bottom center" data-inverted :class="{'edit-active':activeTitle}">
					<i class="text height icon"></i>
				</div>

				<div class="edit-divide"></div>

				<div class="edit-button" v-on:click="editor.increaseQuoteLevel()" data-tooltip="Indent" data-position="bottom center" data-inverted>
					<i class="indent icon"></i>
				</div>
				<div class="edit-button" v-on:click="editor.decreaseQuoteLevel()" data-tooltip="Outdent" data-position="bottom center" data-inverted>
					<i class="outdent icon"></i>
				</div>

			</div>

			<div class="menu-bottom-half">

				<div class="edit-button" v-on:click="$router.push(`/notes/open/${noteid}/menu/table`)" data-tooltip="Insert Table" data-position="bottom center" data-inverted>
					<i class="border all icon"></i>
				</div>
				
				<div class="edit-button" v-on:click="insertDivide()" data-tooltip="Insert Divide" data-position="bottom center" data-inverted>
					<i class="grip lines icon"></i>
				</div>

				<div class="edit-button" v-on:click="removeFormatting()" data-tooltip="Remove Formatting" data-position="bottom center" data-inverted>
					<i class="remove format icon"></i>
				</div>

				<div class="edit-button" v-on:click="undoCustom()" data-tooltip="Undo" data-position="bottom center" data-inverted>
					<i class="undo icon"></i>
				</div>

				<div class="edit-divide"></div>

				<div class="edit-button" v-on:click="$router.push(`/notes/open/${noteid}/menu/colors`)" data-tooltip="Note Color" data-position="bottom center" data-inverted :style="{ 'background-color':styleObject['noteBackground'], 'color':styleObject['noteText']}">
					<i class="paint brush icon"></i>
				</div>
				<div class="edit-button" v-on:click="$router.push(`/notes/open/${noteid}/menu/tags`)" data-tooltip="Tags" data-position="bottom center" data-inverted>
					<i class="tags icon"></i>
				</div>
				<div class="edit-button" v-on:click="$router.push(`/notes/open/${noteid}/menu/images`)" data-tooltip="Images" data-position="bottom center" data-inverted>
					<i class="image icon"></i>
				</div>

				<file-upload-button 
					data-tooltip="Upload File" data-position="bottom center" data-inverted
					class="edit-button" 
					:noteId="noteid" />

				<div class="edit-divide"></div>

				<div class="edit-button" v-on:click="$router.push(`/notes/open/${noteid}/menu/options`)" data-tooltip="More Options" data-position="bottom center" data-inverted>
					<i class="ellipsis horizontal icon"></i>
				</div>

				<div class="edit-divide"></div>

				<!--
 				<div class="edit-button" v-on:click="onToggleArchived()" :data-tooltip="archived == 1?'Move to main list':'Move to Archive'" data-position="bottom center" data-inverted>
					<span v-if="archived == 1"><i class="green archive icon"></i></span>
					<span v-if="archived != 1"><i class="archive icon"></i></span>
				</div>

				<div class="edit-button" v-on:click="onTogglePinned" :data-tooltip="pinned == 1?'Un-pin from top':'Pin to top'" data-position="bottom center" data-inverted>
					<span v-if="pinned == 1"><i class="green pin icon"></i></span>
					<span v-if="pinned != 1"><i class="pin icon"></i></span>
				</div> -->


				<div class="edit-button" v-if="usersOnNote > 1">
					<i class="green eye icon"></i> {{ usersOnNote }}
				</div>

				<!--
 				<div class="edit-button" v-on:click="simulateTyping()">
					<i class="purple bolt icon"></i>
				</div> -->

				<div class="edit-button" v-on:click=" hash=0; save() ">
					<i class="icons">
						<i class="grey save outline icon"></i>
						<i v-if="statusText == 'saved'" class="green small bottom left corner check icon"></i>
						<i v-if="statusText == 'saving'" class="small purple bottom left corner double angle up icon"></i>
					</i>
				</div>

				<div class="edit-button" v-if="diffsApplied > 0">
					+{{ diffsApplied }}
				</div>
				
			</div>
		</div>

		<div class="bottom-edit-menu"></div>

		<div class="input-container-wrapper" :class="{ 'side-menu-open':sideMenuOpen, 'size-down':(sizeDown == true),}">

			<!-- Squire box grows -->
			<div id="text-box-container" class="note-wrapper" :style="{ 'background-color':styleObject['noteBackground'], 'color':styleObject['noteText']}">

				<!-- Loading indicator  -->
				<transition name="fade">
					<div v-if="loading || forceShowLoading" class="loading-note" :style="{ 'background-color':styleObject['noteBackground'], 'color':styleObject['noteText']}">
						<div class="loading-text">
							<loading-icon :message="loadingMessage" />
						</div>
					</div>
				</transition>

				<!-- Title input area  -->
				<textarea 
					ref="titleTextarea"
					v-on:keyup="titleResize"
					v-on:keydown="titleResize"
					@keydown.enter.exact.prevent="editor.focus(); editor.moveCursorToEnd()"
					rows="1"
					:style="{ 'background-color':styleObject['noteBackground'], 'color':styleObject['noteText']}"
					v-on:blur="save" type="text" v-model="noteTitle" placeholder="Title" class="stealth-input">
				</textarea>

				<!-- Squire Box -->
				<div id="squire-id" class="squire-box" ref="squirebox" placeholder="Type Note Here"></div>
				
			</div>

		</div>

		<!-- little tags on the side -->
		<div class="note-mini-tag-area" :class="{ 'size-down':sizeDown }">
			<span v-for="tag in allTags" class="subtle-tag active-mini-tag" v-if="isTagOnNote(tag.id)" v-on:click="removeTag(tag.id)">
				<i class="tag icon"></i>
				{{ tag.text }}
			</span>
			<span v-else class="subtle-tag" v-on:click="addTag(tag.text)">
				<i class="plus icon"></i>
				{{ tag.text }}
			</span>
			<span class="subtle-tag" v-on:click="$router.push(`/notes/open/${noteid}/menu/tags`)">
				<i class="plus icon"></i><i class="green tags icon"></i>Add Tag
			</span>
		</div>

		<!-- color picker -->
		<color-tooltip 
			v-if="colorpicker" 
			v-on:color="color => modifyColor(color)"
			v-on:close="colorpicker = false"
		/>

		<!-- Side slide menus for colors, tags, images and other options -->
		<side-slide-menu v-if="colors" v-on:close="colors = false" name="colors">
			<color-picker
				@changeColor="onChangeColor"
				@close="colors = false; $router.go(-1)"
				:style-object="styleObject"
			/>
		</side-slide-menu>

		<side-slide-menu v-if="tags" v-on:close="tags = false; fetchNoteTags()" name="tags" :style-object="styleObject">
			<div class="ui basic segment">
				<note-tag-edit :noteId="noteid" :key="'tags-for-note-'+noteid"/>
			</div>
		</side-slide-menu>

		<side-slide-menu v-if="images" v-on:close="images = false" name="images" :style-object="styleObject">
			<div class="ui basic segment">
				<simple-attachment-note
					:note-id="noteid" 
					:squire-editor="editor">
				</simple-attachment-note>
			</div>
		</side-slide-menu>

		<side-slide-menu v-if="options" v-on:close="options = false" name="note-options" :style-object="styleObject">
			<div class="ui basic padded segment">
				<div class="ui grid">
					<div class="sixteen wide column">
						<h2>Additional Note Options</h2>
					</div>
					<div class="sixteen wide column">
						<div class="ui labeled icon fluid basic button" v-on:click="sortList">
							<i class="sort amount up icon"></i>
							Sort List
						</div>
					</div>
					<div class="eight wide column">
						<div class="ui labeled icon fluid basic button" v-on:click="deleteCompletedListItems">
							<i class="trash icon"></i>
							Delete Checked
						</div>
					</div>
					<div class="eight wide column">
						<div class="ui labeled icon fluid basic button" v-on:click="uncheckAllListItems">
							<i class="list ul icon"></i>
							Uncheck All
						</div>
					</div>
					<div class="eight wide column">
						<div class="ui labeled icon fluid basic button" v-on:click="calculateMath" data-tooltip="Calculates algebra before '='">
							<i class="calculator icon"></i>
							Simple Math
						</div>
					</div>
					<div class="eight wide column">
						<!-- data-tooltip="Files on note" -->
						<div v-on:click="openEditAttachment"  class="ui labeled icon fluid basic button">
							<i class="folder icon"></i>
							Note Files
							{{ attachmentCount }}
						</div>
					</div>

					<div class="sixteen wide column" v-if="rawTextId > 0">
						<h2>Share Note</h2>
						<share-note-component 
							:note-id="noteid"
							:raw-text-id="rawTextId"
							:share-username="shareUsername"
						/>
					</div>
				</div>
			</div>
		</side-slide-menu>

		<!-- create table option  -->
		<side-slide-menu v-if="table" v-on:close="table = false; fetchNoteTags()" name="table" :style-object="styleObject">
			<div class="ui basic segment">
				<h2>Insert Table</h2>
				<div class="table-tic-table">
					<div v-for="i in 10">
						<div v-for="j in 10" class="tabletic" v-on:click="insertTable(i,j)">
						</div>
					</div>
				</div>
				
			</div>
		</side-slide-menu>

		<!-- Show side shades if user is on desktop only -->
		<div class="full-focus-shade shade1"
			:class="{ 'slide-out-left':sizeDown }"
			v-on:click="closeButtonAction()"></div>
		<div class="full-focus-shade shade2" 
			:class="{ 'slide-out-right':sizeDown }"
			v-on:click="closeButtonAction()"></div>

	</div>
</template>

<script>

	import axios from 'axios'
	// const crypto = require('crypto')
	const DiffMatchPatch = require('../../../server/helpers/DiffMatchPatch')
	const dmp = new DiffMatchPatch.diff_match_patch()

	import SquireButtonFunctions from '@/mixins/SquireButtonFunctions.js'
	
	export default {
	name: 'InputNotes',
		props: [ 'noteid', 'position', 'openMenu', 'urlData' ],
		components:{
			'note-tag-edit': () => import('@/components/NoteTagEdit.vue'),
			'color-picker': () => import('@/components/ColorPicker.vue'),
			'file-upload-button': () => import('@/components/FileUploadButton.vue'),
			// 'delete-button': () => import('@/components/NoteDeleteButtonComponent.vue'),
			'side-slide-menu': () => import('@/components/SideSlideMenuComponent.vue'),
			'simple-attachment-note': () => import('@/components/SimpleAttachmentNoteComponent.vue'),
			'share-note-component': () => import('@/components/ShareNoteComponent.vue'),

			'color-tooltip':require('@/components/TextColorTooltipComponent.vue').default,
			'nm-button':require('@/components/NoteMenuButtonComponent.vue').default,
			'loading-icon':require('@/components/LoadingIconComponent.vue').default,
		},
		mixins:[ SquireButtonFunctions ],
		data(){
			return {
				loading: true,
				forceShowLoading: true,
				loadingMessage: 'Loading Note',
				currentNoteId: 0,
				modified: false,
				noteText: '',
				noteTitle: '',
				rawTextId: 0,
				created: '',
				updated: '',
				shareUsername: null,
				// diffNoteText: '',
				statusText: 'saved',
				lastNoteHash: null,
				saveDebounce: null, //Prevent save from being called numerous times quickly
				updated: 'Never',
				editDebounce: null,
				emitChangeDebounce: null,
				keyPressesCounter: 0, //Determen keys pressed between saves
				pinned: 0,
				archived: 0,
				attachmentCount: 0,
				styleObject: { 'noteText':null,'noteBackground':null, 'noteIcon':null, 'iconColor':null }, //Style object. Determines colors and badges

				sizeDown: false, //Used to animate close state

                //Settings vars
                lastVisibilityState: null,

                //All the squire settings
                editor: null,
                usersOnNote: 0,

                sideMenuOpen: false,
                tags: false,
                colors: false, 
                images: false,
                options: false,
                colorpicker: false,
                table: false,

                //Diff text/sync text variables
                diffTextTimeout: null,
                diffsApplied: null,

                //Used to restore caret position
                lastRange: null,
                startOffset: 0,

                //Tag Display
                allTags: [],
                noteTags: [],
			}
		},
		watch: {
			urlData(newVal, oldVal){

				//Handle changes in URL to 

				if(newVal.id == undefined || newVal.id != this.noteid){
					// this.closeButtonAction()
				}

				//Reset all note menus on URL change
				this.sideMenuOpen = false
				this.colors = false
				this.tags = false
				this.options = false
				this.images = false
				this.table = false

				//If a menu value is set, open it
				if(newVal.openMenu){
					//Only modify menu boolean if its defined
					if(typeof this[newVal.openMenu] == 'boolean'){
						this.sideMenuOpen = true
						this[newVal.openMenu] = true
					}
				}
			}
		},
		beforeMount(){
			this.$bus.$on('new_file_upload', ({noteId, imageCode}) => {
				if(this.noteid == noteId && this.editor){
					this.editor.moveCursorToEnd()
					this.editor.insertHTML(imageCode)
					this.save()
				}
			})
		},
		beforeDestroy(){

			this.$io.emit('leave_room', this.rawTextId)

			this.$bus.$off('new_file_upload')

			this.destroyWebSockets()

			document.removeEventListener('visibilitychange', this.checkForUpdatedNote)

			//Obliterate squire instance
			this.editor.destroy()
			
			this.close()

		},
		mounted: function() {

			//Show loading for a minimum time
			setTimeout(()=>{
				this.forceShowLoading = false
			}, 500)

			// document.addEventListener('visibilitychange', this.checkForUpdatedNote)

			//Init squire as early as possible
			this.editor = new Squire( this.$refs.squirebox, {blockTag: 'p' })

			this.$nextTick(() => {
				//Setup Squire first chance we get
				this.loadNote(this.noteid)
			})
		},
		methods: {
			testModify(){
				const text = document.getElementById('squire-id').children[0].innerHTML
				const prepended = 'Hello-> ' + text
				document.getElementById('squire-id').children[0].innerHTML = prepended

				const text1 = document.getElementById('squire-id').children[2].innerHTML
				const prepended1 = 'Hey-> ' + text1
				document.getElementById('squire-id').children[2].innerHTML = prepended1
			},
			simulateTyping(index = 0){

				const words = ['lets','see','how','big','of','a','list','we','can','make','and','if','we','can','simulate','multiple','users','typing','its','probably','going','to','be','a','shitty','shit','show','but','whatever','~','You all','ever','seen','a','full','size','zebra','eat','a','big','fat','mound','of','grass','let','me','tell','you','man,','those','freaking','things','can','chew.','I','mean','like','really','chew.','Not','just','a','little,','but','a','lot.','~','Do not','believe','me.','Shoot','on','down','to','your','local','zoo','with','a','fat','mound','of','grass.','~','In','other','news,','I','really','enjoy','testing','things.','I am','just','going','to','keep','on','typing','until','its','so','annoying','that','you','give','up','on','trying','to','type','other','things.','~','Other','people','do not','get','to','type!','Only','me!','Fuck','off','other','users.','Its','all','about','me','up','in','here.','And','~','Zebra','Grass.',
				]

				const nextWord = words[index % (words.length)] + ' '
				let letterObjects = []
				let totalTime = 0
				nextWord.split('').forEach(letter => {

					const letterTime = Math.floor(Math.random() * 80) + 20
					totalTime += letterTime

					setTimeout(() => {
						const newText = this.getText().slice(0,-8)
						if(letter == ' '){
							letter = ' <br></p>'
						}
						if(letter == '~'){
							letter = '<br></p><p><br></p><p><br></p>'
						}
						const addedLetter = newText + letter
						this.setText(addedLetter)
						this.onKeyup()

					}, totalTime)
				})

				setTimeout(() => {

					if(index < words.length-1){
						const more = index + 1
						this.simulateTyping(more)
					}

				}, totalTime + 40)
			},
			removeTag(tagId){

				this.allTags = []
				let entryId = 0

				//Find fucking note tag for removal
				this.noteTags.forEach(noteTag => {
					if(noteTag['tagId'] == tagId){
						entryId = noteTag['entryId']
					}
				})

				let postData = {
					'tagId':entryId,
					'noteId':this.noteid
				}

				axios.post('/api/tag/removefromnote', postData)
				.then(response => {
					this.fetchNoteTags()
				})
				.catch(error => { this.$bus.$emit('notification', 'Failed to Remove Tag') })
			},
			addTag(tagText){

				this.allTags = []

				let postData = {
					'tagText':tagText,
					'noteId':this.noteid
				}

				axios.post('/api/tag/addtonote', postData)
				.then(response => {
					this.fetchNoteTags()
				})
				.catch(error => { this.$bus.$emit('notification', 'Failed to Add Tag') })
			},
			fetchNoteTags(){
				axios.post('/api/tag/get', {'noteId': this.noteid})
				.then(({data}) => {
					this.allTags = data.allTags
					this.noteTags = data.noteTagIds

					//Stick used tags at top.
					if(this.noteTags.length > 0){

						let frontTags = []

						for (var i = this.allTags.length - 1; i >= 0; i--) {
							this.noteTags.forEach(noteTag => {
								if(this.allTags[i]['id'] == noteTag['tagId']){
									frontTags.push(this.allTags[i])
									this.allTags.splice(i,1)
								}
							})
						}

						this.allTags.unshift(...frontTags)
					}
				})
			},
			isTagOnNote(id){
				for (let i = 0; i < this.noteTags.length; i++) {
					const current = this.noteTags[i]
					if(current && current['tagId'] == id){
						return true
					}
				}
				return false
			},
			initSquire(){
				
				//Set up squire and load note text
				this.setText(this.noteText)

				//focus on open, not on mobile, it causes the keyboard to pop up, thats annoying
				if(!this.$store.getters.getIsUserOnMobile){
					this.editor.focus()
					this.editor.moveCursorToEnd()

					this.fetchNoteTags() //Don't load tags on mobile
				}
				

				//Set up websockets after squire is set up
				setTimeout(() => {
					this.setupWebSockets()
				}, 50)

				this.editor.addEventListener('cursor', e => {

					//Save range to replace cursor if someone else makes an update
					this.lastRange = e.range
					this.startOffset = parseInt(e.range.startOffset)
					return
				})

				//Change button states on editor when element is active
				//eg; Bold button turns green when on bold text
				this.editor.addEventListener('pathChange', e => this.pathChangeEvent(e))

				//Click Event - Open links when clicked in editor or toggle checks
				this.editor.addEventListener('click', e => {

					//Link clicked in editor - open link
					if(e.target.nodeName == 'A' && e.target.href){
						window.open(e.target.href)
					}

					//List Item clicked in editor - toggle link state
					if(e.target.nodeName == 'LI'){

						let el = e.target

						//If the offset is triggered with a negative offset, it means the before element was clicked
						if(e.offsetX < -5){
							//Will hide keyboard if clicked on mobile
							if(this.$store.getters.getIsUserOnMobile){
								this.editor.blur()
							}

							//Area before element was clicked, they clicked the checkbox
							if (el.className === 'active'){
								el.className = 'inactive';
							} else {
								el.className = 'active';
							}
						}

						
					}
					
				})

				this.editor.addEventListener('keydown', event => {

					//Tab to increase quote level, tab + shigt to decrease quote level
					const keyCode = event.key
					if(keyCode == 'Tab'){

						if(event.shiftKey){
							this.editor.decreaseQuoteLevel()
						} else {
							this.editor.increaseQuoteLevel()
						}
						
						event.preventDefault()
						return false
					}

					//Save on pressing CTRL/CMD + S
					if(keyCode == 's' && (event.ctrlKey || event.metaKey) ){

						this.$bus.$emit('notification', 'Note Saved')
						this.save()
						
						event.preventDefault()
						return false
					}

					//Prevent new list items from having 
					this.$nextTick( () => {
						//Wait a moment to get item under cursor
						let selection = this.editor.getSelection()
						let container = selection.commonAncestorContainer

						//If user hit enter on a list, make sure the next list item isn't active
						if(container.nodeName == 'LI' && event.keyCode == 13 && container.classList){
							container.classList.remove('active')
						}
					})
				})

				//Bind event handlers
				this.editor.addEventListener('keyup', event => {

					this.onKeyup(event)
				})

				//Show and hide additional toolbars
				this.editor.addEventListener('focus', e => {
				})
				this.editor.addEventListener('blur',  e => {
				})
			},
			openEditAttachment(){

				this.$router.push('/attachments/note/'+this.currentNoteId)
			},
			onTogglePinned(){

				if(this.pinned == 0){
					this.pinned = 1
				} else {
					this.pinned = 0;
				}
				//Update last note hash, this will tell note to save next update
				this.lastNoteHash = 0
				this.save()
			},
			onToggleArchived(){

				if(this.archived == 0){
					this.archived = 1
				} else {
					this.archived = 0;
				}
				//Update last note hash, this will tell note to save next update
				this.lastNoteHash = 0
				this.save()
			},
			onChangeColor(newStyleObject){

				//Set new style object for note, page will use some styles, styles will be saved to database
				this.styleObject = newStyleObject

				this.lastNoteHash = 0 //Update hash to force note update on next save
				this.save()
			},
			loadNote(noteId){

				//Generate a random loading message
				let mod = ['Gently','Calmly','Lovingly','Quickly','','','','','','','','','','','','','']
				let doing = ['Loading','Loading','Getting','Fetching','Grabbing','Sequencing','Organizing','Untangling','Processing','Refining','Extracting','Fusing','Pruning','Expanding','Enlarging','Transfiguring','Quantizing','Ingratiating','Lumping']
				let thing = ['Note','Note','Note','Note','Data','Text','Document','Algorithm','Buffer','Client','Download','File','Frame','Graphics','Hardware','HTML','Interface','Logic','Mainframe','Memory','Media','Nodes','Network','Chaos']

				let p1 = mod[Math.floor(Math.random() * mod.length)]
				let p2 = doing[Math.floor(Math.random() * doing.length)]
				let p3 = thing[Math.floor(Math.random() * thing.length)]
				this.loadingMessage = `${p1} ${p2} ${p3}`
				
				//Component is activated with NoteId in place, lookup text with associated ID
				if(this.$store.getters.getLoggedIn){
					axios.post('/api/note/get', { 'noteId': this.noteid })
					.then(response => {

						//Block notes you don't have access to from opening
						if(response.data === false){
							this.$bus.$emit('notification', 'Error opening Note')
							this.close()
							return
						}

						//Set up local data
						this.currentNoteId = this.noteid
						this.rawTextId = response.data.rawTextId
						this.shareUsername = response.data.shareUsername

						this.created = response.data.created
						this.updated = response.data.updated
						this.noteTitle = ''
						if(response.data.title){
							this.noteTitle = response.data.title
						}

						this.noteText = response.data.text
						this.lastNoteHash = this.hashString( response.data.text )
						// this.diffNoteText = response.data.text

						//Set up note colors
						if(response.data.color){
							this.styleObject = JSON.parse(response.data.color)
						}
						
						if(response.data.pinned != null){
							this.pinned = response.data.pinned
						}
						this.archived = response.data.archived
						this.attachmentCount = response.data.attachment_count

						this.loading = false

						this.$nextTick(() => {

							//Adjust note title size after load
							this.titleResize()
							this.initSquire()
						})

					})
					.catch(error => { this.$bus.$emit('notification', 'Failed to Open Note') })
				} else {
					console.log('Could not fetch note')
				}
			},
			//Called on squire event for keyup
			diffText(event){

				//Diff the changed lines only

				let oldText = this.noteText
				// let newText = this.getText()
				let newText = document.getElementById('squire-id').innerHTML

				const diff = dmp.diff_main(oldText, newText)
				// dmp.diff_cleanupSemantic(diff)
				const patch_list = dmp.patch_make(oldText, newText, diff);
				const patch_text = dmp.patch_toText(patch_list);

				if(patch_text == ''){ return }

				//Save computed diff text
				this.noteText = newText

				let newPatch = {
					id: this.rawTextId,
					diff: patch_text,
				}

				this.$io.emit('note_diff', newPatch)
			},
			patchText(incomingPatchs){
				return new Promise((resolve, reject) => {

					if(incomingPatchs == null){ return resolve(true) }
					if(incomingPatchs.length == 0){ return resolve(true) }

					// let currentText = this.getText()
					let currentText = document.getElementById('squire-id').innerHTML

					//Convert text of all new patches into patches array
					let patches = []
					incomingPatchs.forEach(patch => {

						if(patch.time <= this.updated){
							return
						}

						patches.push(...dmp.patch_fromText(patch.diff))
					})
					
					if(patches.length == 0){
						return resolve(true)
					}

					var results = dmp.patch_apply(patches, currentText);
					let newText = results[0]

					this.noteText = newText
					// this.editor.setHTML(newText)
					document.getElementById('squire-id').innerHTML = newText

					return resolve(true)
				})
			},
			onKeyup(event){

				this.statusText = 'modified'

				// Small debounce on diff generation
				clearTimeout(this.diffTextTimeout)
				this.diffTextTimeout = setTimeout(() => {
					this.diffText()
				}, 25)

				//Save after x seconds
				clearTimeout(this.editDebounce)
				this.editDebounce = setTimeout(() => {
					this.save()
				}, 30 * 1000)

				//Save after x keystrokes
				this.keyPressesCounter = (this.keyPressesCounter + 1)
				if(this.keyPressesCounter > 125){
					this.keyPressesCounter = 0
					this.save()
				}
			},
			save(force = false){
				return new Promise((resolve, reject) => {
					//Clear other debounced events to prevent double calling of save
					// clearTimeout(this.editDebounce)

					if(this.statusText == 'saving'){
						return resolve(true)
					}

					//Don't save note if its hash doesn't change
					const currentNoteText = this.getText()
					const currentHash = this.hashString( currentNoteText )
					if( this.lastNoteHash == currentHash){
						this.statusText = 'saved'
						return resolve(true)
					}

					//If user accidentally clears note, it won't delete it
					if(currentNoteText == ''){
						return resolve(true)
					}

					//tell websockets to truncate history at this save
					this.$io.emit('truncate_diffs_at_save', {'rawTextId':this.rawTextId, 'hash':currentHash })
					
					const postData = {
						'noteId': this.currentNoteId,
						'title': this.noteTitle,
						'text': currentNoteText,
						'color': JSON.stringify(this.styleObject), //Save little json color object
						'pinned': this.pinned,
						'archived': this.archived,
						'hash': currentHash,
					}

					this.statusText = 'saving'
					axios.post('/api/note/update', postData).then( response => {
						this.statusText = 'saved'
						this.updated = +new Date
						this.modified = true
						this.diffsApplied = 0

						//Update last saved note hash
						this.lastNoteHash = currentHash
						return resolve(true)
					})
					.catch(error => { this.$bus.$emit('notification', 'Failed to Save Note') })
				})
			},
			checkForUpdatedNote(){

				//Ignore visibility changes, handle this with socket IO
				//Just keep it always up to date if user is on note
				return

				//If user leaves page then returns to page, reload the first batch
				if(this.lastVisibilityState == 'hidden' && document.visibilityState == 'visible'){
					// console.log('Checking for note updates after visibility change.')

					const postData = { 
						noteId:this.currentNoteId, 
						text:this.getText(),
						updated: this.updated
					}

					console.log('Focus regained with note open.')
					console.log('Attempting to fix diff text. fix this. Search spleen')
					return

					axios.post('/api/note/difftext', postData)
					.then( ({data}) => {

						//Don't do anything if nothing has changed
						if(data == ''){ return }

						if(data.diffs > 0){
							//Update text and last updated time for note
							this.setText(data.updatedText)
							this.updated = data.updated
						}
					})
					.catch(error => { this.$bus.$emit('notification', 'Failed to get diff') })
				}

				//Track visibility state 
				this.lastVisibilityState = document.visibilityState
			},
			hashString(inText){

				let text = this.noteTitle + inText

				let hash = 0;
				if (text == null || text.length == 0) {
					return hash;
				}

				for (let i = 0; i < text.length; i++) {
					let char = text.charCodeAt(i);
					hash = ((hash<<5)-hash)+char;
					hash = hash & hash; // Convert to 32bit integer
				}

				return hash;
			},
			closeButtonAction(){
				this.sizeDown = true
				//This timeout allows animation to play before closing 
				setTimeout(() => {
					this.$router.push('/notes')
				}, 300)
			},
			close(){

				// force = true

				// console.log(`Close Note ${this.noteid} -> force: ${force}, modified: ${this.modified}`)

				//Skip everything if foce close is true. Note will just die. 
				if(this.currentNoteId == 0){ return }

				this.loadingMessage = 'Saving...'
				this.loading = true

				this.save().then( result => {

					//If note was modified, trigger reindex on close
					if(this.modified){
						axios.post('/api/note/reindex')
					}

					this.$bus.$emit('close_active_note', {
						noteId: this.noteid, modified: this.modified
					})
					return
				})
			},
			destroyWebSockets(){
				this.$io.removeListener('past_diffs')
				this.$io.removeListener('update_user_count')
				this.$io.removeListener('incoming_diff')
			},
			setupWebSockets(){

				//Tell server to push this note into a room
				this.$io.emit('join_room', this.rawTextId )

				this.$io.on('update_user_count', userCount => {
					this.usersOnNote = userCount
				})

				//Apply all diffs since last save
				this.$io.on('past_diffs', diffSinceLastUpdate => {

					if(diffSinceLastUpdate != null){
						this.diffsApplied = diffSinceLastUpdate.length
						// console.log('Got Diffs Total -> ', diffSinceLastUpdate)
					}
					this.patchText(diffSinceLastUpdate)
				})

				this.$io.on('incoming_diff', incomingDiff => {

					//Save current caret position
					//Find index of child element based on past range
					const element = window.getSelection().getRangeAt(0).startContainer.parentNode
					const textLines = document.getElementById('squire-id').children
					const childIndex = [...textLines].indexOf(element)

					this.patchText([incomingDiff])
					.then(() => {

						if(childIndex == -1){
							console.log('Cursor position lost. Div being updated was lost.')
							return
						}

						//Reset caret position
						//Find child index of old range and create a new one
						let allChildren = document.getElementById('squire-id').children
						const newLine = allChildren[childIndex].firstChild
						let range = document.createRange()
						range.setStart(newLine, this.startOffset)
						range.setEnd(newLine, this.startOffset)
						this.editor.setSelection(range)
					})
				})

			},
			titleResize(){
				//Resize the title field
				let element = this.$refs.titleTextarea
				let padding = 0

				element.style.height = 'auto'
      			element.style.height = (element.scrollHeight + padding) +'px'
			},
		}
	}
</script>

<style type="text/css" scoped>

	.full-focus-shade {
		position: fixed;
		top: 0;
		left: 0;
		right: 0;
		bottom: 0;
		background-color: var(--menu-accent);
		z-index: 999;
		cursor: pointer;
		opacity: 0.8;
	}
	.shade1 {
		left: 50%;
	}
	.shade2 {
		right: 50%;
	}

	/* squire styles */
	.input-container-wrapper {
		position: fixed;
		top: 0;
		bottom: 0;
		left: 15%;
		right: 15%;
		z-index: 1005;
		overflow-x: scroll;
		scrollbar-width: none;
		scrollbar-color: transparent transparent;
	}
	.note-wrapper {
		background-color: var(--small_element_bg_color);
		border: 1px solid var(--menu-accent);
		margin: 45px 0 45px 0;
		position: relative;
	}

		.note-mini-tag-area {
			position: fixed;
			width: 120px;
			left: calc(15% - 125px);
			top: 46px;
			bottom: 0;
			height: calc(100vh - 55px);
			z-index: 1000;
			overflow-y: scroll;
			scrollbar-width: none;
			scrollbar-color: transparent transparent;
		}
		.note-mini-tag-area {
			scrollbar-width: auto;
			scrollbar-color: inherit inherit;
		}
		.subtle-tag {
			display: inline-block;
			width: 100%;
			padding: 1px 1px 1px 5px;
			margin: 0 0 0;
			border: 1px solid transparent;
			border-right: none;
			border-radius: 3px;
			background-color: transparent;
			white-space: nowrap;
			overflow: hidden;
			text-overflow: ellipsis;
			transition: color ease 0.3s, background ease 0.3s;
			font-size: 11px;
			cursor: pointer;
			opacity: 0;
			text-transform:capitalize;
		}
		.note-mini-tag-area:hover .subtle-tag {
			opacity: 1;
		}
		.note-mini-tag-area:hover .active-mini-tag {
			background-color: var(--main-accent);
			color: white;
		}
		.note-mini-tag-area:hover .subtle-tag:not(.active-mini-tag) {
			border-right: none;
			color: var(--text_color);
			background-color: var(--body_bg_color);
			opacity: 1;
		}
		.active-mini-tag {
			opacity: 0.7;
			background-color: var(--small_element_bg_color);
			color: var(--text_color)
		}


	@keyframes blinker {
		50% {
			opacity: 0.2;
		}
	}

	/*
	
	Edit Menu Styles START
	
	*/
		.edit-menu {
			position: fixed;
			top: 0;
			left: 0;
			right: 0;
			width: 100%;
			display: block;
			background-color: var(--small_element_bg_color);
			z-index: 1019;
			padding: 3px 5px;
			border: none;
			border-bottom: 1px solid var(--menu-accent);
			text-align: center;
		}
		.menu-top-half, .menu-bottom-half {
			display: inline-block;
		}
/*		.edit-spacer {
			width: calc(15% - 10px);
			display: inline-block;
			height: 10px;
			opacity: 0;
		}*/
		.edit-button {
			background-color: var(--small_element_bg_color);
			color: var(--menu-text);
			display: inline-block;
			font-size: 1.4em;
			padding: 4px 1px 5px 4px;
			border-radius: 3px;
			cursor: pointer;
		}
		.edit-button:hover {
			background-color: var(--menu-accent);
		}
		.edit-active {
			background-color: var(--main-accent);
			color: white;
		}
		.edit-divide {
			display: inline-block;
			background-color: var(--menu-accent);
			height: 15px;
			width: 1px;
			margin: 0 1px;
			padding: 0;
		}
		@media only screen and (max-width: 740px) {
			.edit-spacer {
				display: none;
			}
			.edit-button {
				font-size: 1.2em;
			}
		}
	/*
	
	Edit Menu Styles END
	
	*/

	.stealth-input {
		width: 100%;
		padding: 10px 15px 5px;
		background-color: rgba(255,255,255,0.1);
		border: none;
		font-size: 1.7em;
		color: var(--text_color);
		resize: none;
		overflow: hidden;
		margin: 0;
		outline: none;

	}

	/*Settings manager styles */
	.all-settings {
		background: #221f2b;
		z-index: 99;
		flex-grow: 0;
	}
	/*End Settings manager styles */



	/* container styles change based on mobile and number of open screens */
	.master-note-edit {
		position: fixed;
		bottom: 0;
		height: 100vh;
		z-index: 1001;

		overflow-y: scroll;
		overflow-x: hidden;
		scrollbar-width: none;
		scrollbar-color: transparent transparent;
	}
	.loading-note {
		position: absolute;
		top: 0;
		width: 100%;
		height: 100%;
		min-height: 300px;
		/*background: var(--small_element_bg_color);*/
		/*opacity: 0.;*/
		z-index: 1;
	}
	.loading-text {
		margin: 0;
	    position: absolute;
	    top: 200px;
	    left: 50%;
	    margin-right: -50%;
	    transform: translate(-50%, -50%);
	}

	/* One note open, in the middle of the screen */
	.master-note-edit.position-0 {
		left: 50%;
		right: 0;
	}
	.master-note-edit.full-focus {
		left: 15%;
		right: 15%;
	}
	.side-menu-open {
		left: calc(50% + 10px) !important;
		right: calc(0% + 10px) !important;
	}
	@media only screen and (max-width: 740px) {
		.input-container-wrapper {
			left: 0;
			right: 0;
			top: 35px;
			bottom: 40px;
			background-color: var(--small_element_bg_color);
		}
		.note-wrapper {
			margin: 0;
			border: none;
		}
		.shade1, .shade2 {
			right: 150%;
		}
		/*menu overwrites */
		.bottom-edit-menu {
			position: fixed;
			bottom: 0;
			left: 0;
			right: 0;
			width: 100%;
			display: block;
			background-color: var(--small_element_bg_color);
			z-index: 1012;
			border: none;
			border-top: 1px solid var(--menu-accent);
			min-height: 40px;
		}
		.edit-menu {
			text-align: center;
		}
		.menu-bottom-half {
			z-index: 1005;
			position: fixed;
			bottom: 4px;
			left: 0;
			right: 0;
			text-align: center;
		}
	}



	/* Two Notes Open, each takes up 50% of the space */
	.master-note-edit.position-1 {
		left: 50%;
		right: 0%;
	}
	
	

	.master-note-edit.position-2 {
		left: 0%;
		right: 50%;
	}
	.master-note-edit.position-3 {
		display: inline-block;
		position: inherit;
		width: 100%;
		min-height: 200px;
		height: auto;
		box-shadow: none;
	}

	/* animations START */

		.slide-out-top {
			animation: slide-out-top 0.5s ease;
		}

		@keyframes slide-out-top {
			0% {
				top: 0;
			}
			100% {
				top: -100px;
			}
		}

		.size-down {
			animation: size-down 0.5s ease;
		}

		@keyframes size-down {
			0% {
				top: 0;
			}
			100% {
				top: 150vh;
			}
		}

		.slide-out-left {
			animation: slide-out-left 0.5s ease;
		}

		@keyframes slide-out-left {
			0% {
				left: 85%;
			}
			100% {
				left: 150%;
			}
		}

		.slide-out-right {
			animation: slide-out-right 0.5s ease;
		}

		@keyframes slide-out-right {
			0% {
				right: 85%;
			}
			100% {
				right: 150%;
			}
		}

		/* Fade out transition animation */
		.fade-enter {
			/*opacity: 0;*/
		}

		.fade-enter-active {
			/*transition: opacity 0.7s;*/
		}

		.fade-leave {
			/* opacity: 0; */
		}

		.fade-leave-active {
			transition: opacity 0.7s;
			opacity: 0;
		}
	/* animations END */

</style>