<template>
    <div class="nav flex flex-grow">
        <div class="flex flex-1 justify-center items-center container">
            <div class="logo">
                <router-link :to="{ name: 'dashboard' }">
                    Pterodactyl
                </router-link>
            </div>
            <div class="menu flex-1">
                <router-link :to="{ name: 'dashboard' }">
                    <Icon name="server" aria-label="Server dashboard" class="h-4 self-center"/>
                </router-link>
                <router-link :to="{ name: 'account' }">
                    <Icon name="user" aria-label="Profile management" class="h-4"/>
                </router-link>
                <a :href="this.route('admin.index')">
                    <Icon name="settings" aria-label="Administrative controls" class="h-4"/>
                </a>
            </div>
            <div class="search-box flex-none" v-if="$route.name !== 'dashboard'" ref="searchContainer">
                <input type="text" class="search-input" id="searchInput" placeholder="Search..."
                       :class="{ 'has-search-results': ((servers.length > 0 && searchTerm.length >= 3) || loadingResults) && searchActive }"
                       v-on:focus="searchActive = true"
                       v-on:input="search"
                       v-model="searchTerm"
                />
                <div class="search-results select-none" :class="{ 'hidden': (servers.length === 0 && !loadingResults) || !searchActive || searchTerm.length < 3 }">
                    <div v-if="loadingResults">
                        <a href="#" class="no-hover cursor-default">
                            <div class="flex items-center">
                                <div class="flex-1">
                                    <span class="text-sm text-neutral-500">Loading...</span>
                                </div>
                                <div class="flex-none">
                                    <span class="spinner spinner-relative"></span>
                                </div>
                            </div>
                        </a>
                    </div>
                    <div v-else v-for="server in servers" :key="server.identifier">
                        <router-link :to="{ name: 'server', params: { id: server.identifier }}" v-on:click.native="searchActive = false">
                            <div class="flex items-center">
                                <div class="flex-1">
                                    <span class="font-bold text-neutral-900">{{ server.name }}</span><br/>
                                    <span class="text-neutral-600 text-sm" v-if="server.description.length > 0">{{ server.description }}</span>
                                </div>
                                <div class="flex-none">
                                    <span class="pillbox bg-neutral-900">{{ server.node }}</span>
                                </div>
                            </div>
                        </router-link>
                    </div>
                </div>
            </div>
            <div class="menu">
                <a :href="this.route('auth.logout')" v-on:click.prevent="doLogout">
                    <Icon name="log-out" aria-label="Sign out" class="h-4"/>
                </a>
            </div>
        </div>
    </div>
</template>

<script lang="ts">
    import Vue from 'vue';
    import {debounce, isObject} from 'lodash';
    import {mapState} from 'vuex';
    import {AxiosError} from "axios";
    import Icon from "@/components/core/Icon.vue";

    export default Vue.extend({
        name: 'Navigation',

        components: {Icon},

        data: function () {
            return {
                loadingResults: false,
                searchActive: false,
            };
        },

        computed: {
            ...mapState('dashboard', ['servers']),
            searchTerm: {
                get: function (): string {
                    return this.$store.getters['dashboard/getSearchTerm'];
                },
                set: function (value: string): void {
                    this.$store.dispatch('dashboard/setSearchTerm', value);
                }
            }
        },

        created: function () {
            document.addEventListener('click', this.documentClick);
        },

        beforeDestroy: function () {
            document.removeEventListener('click', this.documentClick);
        },

        methods: {
            search: debounce(function (this: any): void {
                if (this.searchTerm.length >= 3) {
                    this.loadingResults = true;
                    this.gatherSearchResults();
                }
            }, 500),

            gatherSearchResults: function (): void {
                this.$store.dispatch('dashboard/loadServers')
                    .catch((err: AxiosError) => {
                        console.error(err);

                        const response = err.response;
                        if (response && isObject(response.data.errors)) {
                            response.data.errors.forEach((error: any) => {
                                this.$flash.error(error.detail);
                            });
                        }
                    })
                    .then(() => {
                        this.loadingResults = false;
                    });
            },

            doLogout: function () {
                this.$store.commit('auth/logout');
                window.location.assign(this.route('auth.logout'));
            },

            documentClick: function (e: Event) {
                if (this.$refs.searchContainer) {
                    if (this.$refs.searchContainer !== e.target && !(this.$refs.searchContainer as HTMLElement).contains(e.target as HTMLElement)) {
                        this.searchActive = false;
                    }
                }
            },
        },
    })
</script>
