<template>
	<div class="card is-fullwidth">
		<header class="card-header">
			<p class="card-header-title">
				Share links
			</p>
		</header>
		<div class="card-content content sharables-list">
			<form @submit.prevent="add()" class="add-form">
				<p>
					Share with a link:
				</p>
				<div class="field has-addons">
					<div class="control">
						<div class="select">
							<select v-model="selectedRight">
								<option :value="rights.READ">Read only</option>
								<option :value="rights.READ_WRITE">Read & write</option>
								<option :value="rights.ADMIN">Admin</option>
							</select>
						</div>
					</div>
					<div class="control">
						<button type="submit" class="button is-success">
							Share
						</button>
					</div>
				</div>
			</form>
			<table class="table is-striped is-hoverable is-fullwidth link-share-list">
				<tbody>
				<tr>
					<th>Link</th>
					<th>Shared by</th>
					<th>Right</th>
					<th>Delete</th>
				</tr>
				<template v-if="linkShares.length > 0">
				<tr v-for="s in linkShares" :key="s.id">
					<td>
						<div class="field has-addons">
							<div class="control">
								<input class="input" type="text" :value="getShareLink(s.hash)" readonly/>
							</div>
							<div class="control">
								<a class="button is-success noshadow" @click="copy(getShareLink(s.hash))">
									<span class="icon">
										<icon icon="paste"/>
									</span>
								</a>
							</div>
						</div>
					</td>
					<td>
						{{ s.sharedBy.username }}
					</td>
					<td class="type">
						<template v-if="s.right === rights.ADMIN">
						<span class="icon is-small">
							<icon icon="lock"/>
						</span>
							Admin
						</template>
						<template v-else-if="s.right === rights.READ_WRITE">
						<span class="icon is-small">
							<icon icon="pen"/>
						</span>
							Write
						</template>
						<template v-else>
						<span class="icon is-small">
							<icon icon="users"/>
						</span>
							Read-only
						</template>
					</td>
					<td class="actions">
						<button @click="() => {linkIdToDelete = s.id; showDeleteModal = true}" class="button is-danger icon-only">
							<span class="icon">
								<icon icon="trash-alt"/>
							</span>
						</button>
					</td>
				</tr>
				</template>
				</tbody>
			</table>
		</div>

		<modal
				v-if="showDeleteModal"
				@close="showDeleteModal = false"
				@submit="remove()">
			<span slot="header">Remove a link share</span>
			<p slot="text">Are you sure you want to remove this link share?<br/>
				It will no longer be possible to access this list with this link share.<br/>
				<b>This CANNOT BE UNDONE!</b></p>
		</modal>
	</div>
</template>

<script>
	import rights from '../../models/rights'

	import LinkShareService from '../../services/linkShare'
	import LinkShareModel from '../../models/linkShare'

	import copy from 'copy-to-clipboard'
	import {mapState} from 'vuex'

	export default {
		name: 'linkSharing',
		props: {
			listId: {
				default: 0,
				required: true,
			},
		},
		data() {
			return {
				linkShares: [],
				linkShareService: LinkShareService,
				newLinkShare: LinkShareModel,
				rights: rights,
				selectedRight: rights.READ,
				showDeleteModal: false,
				linkIdToDelete: 0,
			}
		},
		beforeMount() {
			this.linkShareService = new LinkShareService()
		},
		created() {
			this.linkShareService = new LinkShareService()
			this.load()
		},
		watch: {
			listId: () => { // watch it
				this.load()
			}
		},
		computed: mapState({
			frontendUrl: state => state.config.frontendUrl,
		}),
		methods: {
			load() {
				// If listId == 0 the list on the calling component wasn't already loaded, so we just bail out here
				if (this.listId === 0) {
					return
				}

				this.linkShareService.getAll({listId: this.listId})
					.then(r => {
						this.linkShares = r
					})
					.catch(e => {
						this.error(e, this)
					})
			},
			add() {
				let newLinkShare = new LinkShareModel({right: this.selectedRight, listId: this.listId})
				this.linkShareService.create(newLinkShare)
					.then(() => {
						this.selectedRight = rights.READ
						this.success({message: 'The link share was successfully created'}, this)
						this.load()
					})
					.catch(e => {
						this.error(e, this)
					})
			},
			remove() {
				let linkshare = new LinkShareModel({id: this.linkIdToDelete, listId: this.listId})
				this.linkShareService.delete(linkshare)
					.then(() => {
						this.success({message: 'The link share was successfully deleted'}, this)
						this.load()
					})
					.catch(e => {
						this.error(e, this)
					})
					.finally(() => {
						this.showDeleteModal = false
					})
			},
			copy(text) {
				copy(text)
			},
			getShareLink(hash) {
				return this.frontendUrl + 'share/'  + hash + '/auth'
			},
		},
	}
</script>
