<template>
    <div :ref="containerRef" class="layout-topbar">
        <a class="menu-button" @click="$emit('menubutton-click')">
            <i class="pi pi-bars"></i>
        </a>
        <div class="app-theme" v-tooltip.bottom="$appState.theme">
            <img :src="'demo/images/themes/' + logoMap[$appState.theme]" />
        </div>
        <ul ref="topbarMenu" class="topbar-menu">
            <li class="topbar-submenu">
                <a tabindex="0" @click="toggleMenu($event, 0)">
                    <span>Themes</span>
                </a>
                <transition name="p-connected-overlay" @enter="onMenuEnter">
                    <ul v-show="activeMenuIndex === 0">
                        <li class="topbar-submenu-header">THEMING</li>
                        <li><router-link to="/theming"><i class="pi pi-fw pi-file"/><span>Guide</span></router-link></li>
                        <li><a href="https://www.primefaces.org/designer/primevue"><i class="pi pi-fw pi-palette" /><span>Designer</span></a></li>
                        <li><a href="https://www.primefaces.org/designer-vue"><i class="pi pi-fw pi-desktop" /><span>Visual Editor</span></a></li>
                        <li><router-link to="/icons"><i class="pi pi-fw pi-info-circle"/><span>Icons</span></router-link></li>
                        <li><a href="https://www.figma.com/community/file/890589747170608208/PrimeOne-Design-Library"><i class="pi pi-fw pi-pencil"/><span>Figma UI Kit</span></a></li>

                        <li class="topbar-submenu-header">BOOTSTRAP</li>
                        <li><a @click="changeTheme($event, 'bootstrap4-light-blue')"><img src="demo/images/themes/bootstrap4-light-blue.svg" alt="Blue Light" /><span>Blue Light</span></a></li>
                        <li><a @click="changeTheme($event, 'bootstrap4-light-purple')"><img src="demo/images/themes/bootstrap4-light-purple.svg" alt="Purple Light" /><span>Purple Light</span></a></li>
                        <li><a @click="changeTheme($event, 'bootstrap4-dark-blue', true)"><img src="demo/images/themes/bootstrap4-dark-blue.svg" alt="Blue Dark" /><span>Blue Dark</span></a></li>
                        <li><a @click="changeTheme($event, 'bootstrap4-dark-purple', true)"><img src="demo/images/themes/bootstrap4-dark-purple.svg" alt="Purple Dark" /><span>Purple Dark</span></a></li>

                        <li class="topbar-submenu-header">MATERIAL DESIGN</li>
                        <li><a @click="changeTheme($event, 'md-light-indigo')"><img src="demo/images/themes/md-light-indigo.svg" alt="Indigo Light" /><span>Indigo Light</span></a></li>
                        <li><a @click="changeTheme($event, 'md-light-deeppurple')"><img src="demo/images/themes/md-light-deeppurple.svg" alt="Deep Purple Light" /><span>Deep Purple Light</span></a></li>
                        <li><a @click="changeTheme($event, 'md-dark-indigo', true)"><img src="demo/images/themes/md-dark-indigo.svg" alt="Indigo Dark" /><span>Indigo Dark</span></a></li>
                        <li><a @click="changeTheme($event, 'md-dark-deeppurple', true)"><img src="demo/images/themes/md-dark-deeppurple.svg" alt="Deep Purple Dark" /><span>Deep Purple Dark</span></a></li>

                        <li class="topbar-submenu-header">MATERIAL DESIGN COMPACT</li>
                        <li><a @click="changeTheme($event, 'mdc-light-indigo')"><img src="demo/images/themes/md-light-indigo.svg" alt="Indigo Light" /><span>Indigo Light</span></a></li>
                        <li><a @click="changeTheme($event, 'mdc-light-deeppurple')"><img src="demo/images/themes/md-light-deeppurple.svg" alt="Deep Purple Light" /><span>Deep Purple Light</span></a></li>
                        <li><a @click="changeTheme($event, 'mdc-dark-indigo', true)"><img src="demo/images/themes/md-dark-indigo.svg" alt="Indigo Dark" /><span>Indigo Dark</span></a></li>
                        <li><a @click="changeTheme($event, 'mdc-dark-deeppurple', true)"><img src="demo/images/themes/md-dark-deeppurple.svg" alt="Deep Purple Dark" /><span>Deep Purple Dark</span></a></li>

                        <li class="topbar-submenu-header">TAILWIND</li>
                        <li><a @click="changeTheme($event, 'tailwind-light')"><img src="demo/images/themes/tailwind-light.png" alt="Tailwind Light" /><span>Tailwind Light</span></a></li>

                        <li class="topbar-submenu-header">FLUENT UI</li>
                        <li><a @click="changeTheme($event, 'fluent-light')"><img src="demo/images/themes/fluent-light.png" alt="Fluent Light" /><span>Fluent Light</span></a></li>

                        <li class="topbar-submenu-header flex align-items-center">PRIMEONE 2022 <Tag class="ml-3" value="NEW" rounded severity="success"></Tag></li>
                        <li><a @click="changeTheme($event, 'lara-light-indigo')"><img src="demo/images/themes/lara-light-indigo.png" alt="Lara Light Indigo" /><span>Lara Light Indigo</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-light-blue')"><img src="demo/images/themes/lara-light-blue.png" alt="Lara Light Blue" /><span>Lara Light Blue</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-light-purple')"><img src="demo/images/themes/lara-light-purple.png" alt="Lara Light Purple" /><span>Lara Light Purple</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-light-teal')"><img src="demo/images/themes/lara-light-teal.png" alt="Lara Light Teal" /><span>Lara Light Teal</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-dark-blue')"><img src="demo/images/themes/lara-dark-blue.png" alt="Lara Dark Blue" /><span>Lara Dark Blue</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-dark-indigo')"><img src="demo/images/themes/lara-dark-indigo.png" alt="Lara Dark Indigo" /><span>Lara Dark Indigo</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-dark-purple')"><img src="demo/images/themes/lara-dark-purple.png" alt="Lara Dark Purple" /><span>Lara Dark Purple</span></a></li>
                        <li><a @click="changeTheme($event, 'lara-dark-teal')"><img src="demo/images/themes/lara-dark-teal.png" alt="Lara Dark Teal" /><span>Lara Dark Teal</span></a></li>

                        <li class="topbar-submenu-header">PRIMEONE 2021</li>
                        <li><a @click="changeTheme($event, 'saga-blue')"><img src="demo/images/themes/saga-blue.png" alt="Saga Blue" /><span>Saga Blue</span></a></li>
                        <li><a @click="changeTheme($event, 'saga-green')"><img src="demo/images/themes/saga-green.png" alt="Saga Green" /><span>Saga Green</span></a></li>
                        <li><a @click="changeTheme($event, 'saga-orange')"><img src="demo/images/themes/saga-orange.png" alt="Saga Orange" /><span>Saga Orange</span></a></li>
                        <li><a @click="changeTheme($event, 'saga-purple')"><img src="demo/images/themes/saga-purple.png" alt="Saga Purple" /><span>Saga Purple</span></a></li>
                        <li><a @click="changeTheme($event, 'vela-blue', true)"><img src="demo/images/themes/vela-blue.png" alt="Vela Blue" /><span>Vela Blue</span></a></li>
                        <li><a @click="changeTheme($event, 'vela-green', true)"><img src="demo/images/themes/vela-green.png" alt="Vela Green" /><span>Vela Green</span></a></li>
                        <li><a @click="changeTheme($event, 'vela-orange', true)"><img src="demo/images/themes/vela-orange.png" alt="Vela Orange" /><span>Vela Orange</span></a></li>
                        <li><a @click="changeTheme($event, 'vela-purple', true)"><img src="demo/images/themes/vela-purple.png" alt="Vela Purple" /><span>Vela Purple</span></a></li>
                        <li><a @click="changeTheme($event, 'arya-blue', true)"><img src="demo/images/themes/arya-blue.png" alt="Arya Blue" /><span>Arya Blue</span></a></li>
                        <li><a @click="changeTheme($event, 'arya-green', true)"><img src="demo/images/themes/arya-green.png" alt="Arya Green" /><span>Arya Green</span></a></li>
                        <li><a @click="changeTheme($event, 'arya-orange', true)"><img src="demo/images/themes/arya-orange.png" alt="Arya Orange" /><span>Arya Orange</span></a></li>
                        <li><a @click="changeTheme($event, 'arya-purple', true)"><img src="demo/images/themes/arya-purple.png" alt="Arya Purple" /><span>Arya Purple</span></a></li>

                        <li class="topbar-submenu-header">PREMIUM</li>
                        <li><a @click="changeTheme($event, 'soho-light')"><img src="demo/images/themes/soho-light.png" alt="Soho Light" /><span>Soho Light</span></a></li>
                        <li><a @click="changeTheme($event, 'soho-dark', true)"><img src="demo/images/themes/soho-dark.png" alt="Soho Dark" /><span>Soho Dark</span></a></li>
                        <li><a @click="changeTheme($event, 'viva-light')"><img src="demo/images/themes/viva-light.svg" alt="Viva Light" /><span>Viva Light</span></a></li>
                        <li><a @click="changeTheme($event, 'viva-dark', true)"><img src="demo/images/themes/viva-dark.svg" alt="Viva Dark" /><span>Viva Dark</span></a></li>
                        <li><a @click="changeTheme($event, 'mira')"><img src="demo/images/themes/mira.jpg" alt="Mira" /><span>Mira</span></a></li>
                        <li><a @click="changeTheme($event, 'nano')"><img src="demo/images/themes/nano.jpg" alt="Nano" /><span>Nano</span></a></li>
                    </ul>
                </transition>
            </li>
            <li class="topbar-submenu">
                <a tabindex="0" @click="toggleMenu($event, 1)">Templates</a>
                <transition name="p-connected-overlay" @enter="onMenuEnter">
                    <ul v-show="activeMenuIndex === 1">
                        <li class="topbar-submenu-header">FREE ADMIN TEMPLATE</li>
                        <li><a href="https://www.primefaces.org/sakai-vue"><img src="./assets/images/layouts/themeswitcher-sakai.svg" alt="Sakai" /><span>Sakai</span></a></li>
                        <li class="topbar-submenu-header">PREMIUM ADMIN TEMPLATES</li>
                        <li><a href="https://www.primefaces.org/layouts/atlantis-vue"><img src="./assets/images/layouts/themeswitcher-atlantis.svg" alt="Atlantis" /><span>Atlantis</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/freya-vue"><img src="./assets/images/layouts/themeswitcher-freya.png" alt="Freya" /><span>Freya</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/diamond-vue"><img src="./assets/images/layouts/themeswitcher-diamond.png" alt="Diamond" /><span>Diamond</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/sapphire-vue"><img src="./assets/images/layouts/themeswitcher-sapphire.png" alt="Sapphire" /><span>Sapphire</span><span class="theme-badge material">material</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/serenity-vue"><img src="./assets/images/layouts/themeswitcher-serenity.png" alt="Serenity" /><span>Serenity</span><span class="theme-badge material">material</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/ultima-vue"><img src="./assets/images/layouts/themeswitcher-ultima.png" alt="Ultima" /><span>Ultima</span><span class="theme-badge material">material</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/avalon-vue"><img src="./assets/images/layouts/themeswitcher-avalon.png" alt="Avalon" /><span>Avalon</span><span class="theme-badge bootstrap">bootstrap</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/babylon-vue"><img src="./assets/images/layouts/themeswitcher-babylon.png" alt="Babylon" /><span>Babylon</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/apollo-vue"><img src="./assets/images/layouts/themeswitcher-apollo.png" alt="Apollo" /><span>Apollo</span><span class="theme-badge darkmode">dark mode</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/roma-vue"><img src="./assets/images/layouts/themeswitcher-roma.jpg" alt="Roma" /><span>Roma</span></a></li>
                        <li><a href="https://www.primefaces.org/layouts/prestige-vue"><img src="./assets/images/layouts/themeswitcher-prestige.png" alt="Prestige" /><span>Prestige</span></a></li>
                    </ul>
                </transition>
            </li>
            <li class="topbar-submenu topbar-resources-submenu">
                <a href="https://www.primefaces.org/primeblocks-vue/#/" target="_blank"><span>Blocks</span></a>
            </li>
            <li class="topbar-submenu">
                <a tabindex="0" @click="toggleMenu($event, 3)">v3.12.5</a>
                <transition name="p-connected-overlay" @enter="onMenuEnter">
                    <ul v-show="activeMenuIndex === 3" style="width: 100%">
                        <li><router-link to="/"><span class="m-0">v3.12.5</span></router-link></li>
                        <li><a href="https://www.primefaces.org/primevue-v2"><span class="m-0">v2.9.1</span></a></li>
                    </ul>
                </transition>
            </li>
        </ul>
    </div>
</template>

<script>
import EventBus from '@/AppEventBus';

export default {
    outsideClickListener: null,
    darkDemoStyle: null,
    watch: {
        $route() {
            this.activeMenuIndex = null;
        }
    },
    data() {
        return {
            activeMenuIndex: null,
            logoMap: {
                'bootstrap4-light-blue': 'bootstrap4-light-blue.svg',
                'bootstrap4-light-purple': 'bootstrap4-light-purple.svg',
                'bootstrap4-dark-blue': 'bootstrap4-dark-blue.svg',
                'bootstrap4-dark-purple': 'bootstrap4-dark-purple.svg',
                'md-light-indigo': 'md-light-indigo.svg',
                'md-light-deeppurple': 'md-light-deeppurple.svg',
                'md-dark-indigo': 'md-dark-indigo.svg',
                'md-dark-deeppurple': 'md-dark-deeppurple.svg',
                'mdc-light-indigo': 'md-light-indigo.svg',
                'mdc-light-deeppurple': 'md-light-deeppurple.svg',
                'mdc-dark-indigo': 'md-dark-indigo.svg',
                'mdc-dark-deeppurple': 'md-dark-deeppurple.svg',
                'saga-blue': 'saga-blue.png',
                'saga-green': 'saga-green.png',
                'saga-orange': 'saga-orange.png',
                'saga-purple': 'saga-purple.png',
                'vela-blue': 'vela-blue.png',
                'vela-green': 'vela-green.png',
                'vela-orange': 'vela-orange.png',
                'vela-purple': 'vela-purple.png',
                'arya-blue': 'arya-blue.png',
                'arya-green': 'arya-green.png',
                'arya-orange': 'arya-orange.png',
                'arya-purple': 'arya-purple.png',
                'nova': 'nova.png',
                'nova-alt': 'nova-alt.png',
                'nova-accent': 'nova-accent.png',
                'nova-vue': 'nova-vue.png',
                'luna-blue': 'luna-blue.png',
                'luna-green': 'luna-green.png',
                'luna-pink': 'luna-pink.png',
                'luna-amber': 'luna-amber.png',
                'rhea': 'rhea.png',
                'fluent-light': 'fluent-light.png',
                'soho-light': 'soho-light.png',
                'soho-dark': 'soho-dark.png',
                'viva-light': 'viva-light.svg',
                'viva-dark': 'viva-dark.svg',
                'mira': 'mira.jpg',
                'nano': 'nano.jpg',
                'tailwind-light': 'tailwind-light.png',
                'lara-dark-indigo': 'lara-dark-indigo.png',
                'lara-dark-purple': 'lara-dark-purple.png',
                'lara-dark-teal': 'lara-dark-teal.png',
                'lara-dark-blue': 'lara-dark-blue.png',
                'lara-light-indigo': 'lara-light-indigo.png',
                'lara-light-purple': 'lara-light-purple.png',
                'lara-light-teal': 'lara-light-teal.png',
                'lara-light-blue': 'lara-light-blue.png'
            }
        }
    },
    scrollListener: null,
    container: null,
    mounted() {
        this.bindScrollListener();
    },
    beforeUnmount() {
        if (this.scrollListener) {
            this.unbindScrollListener();
        }
    },
    methods: {
        changeTheme(event, theme, dark) {
            EventBus.emit('theme-change', { theme: theme, dark: dark });
            this.activeMenuIndex = null;
            event.preventDefault();
        },
        toggleMenu(event, index) {
            this.activeMenuIndex = (this.activeMenuIndex === index) ? null : index;
            event.preventDefault();
        },
        onMenuEnter() {
            this.bindOutsideClickListener();
        },
        bindScrollListener() {
            if (!this.scrollListener) {
                if (this.container) {
                    this.scrollListener = () => {
                        if (window.scrollY > 0)
                            this.container.classList.add('layout-topbar-sticky');
                        else
                            this.container.classList.remove('layout-topbar-sticky');
                    }
                }
            }
            window.addEventListener('scroll', this.scrollListener);
        },
        unbindScrollListener() {
            if (this.scrollListener) {
                window.removeEventListener('scroll', this.scrollListener);
                this.scrollListener = null;
            }
        },
        bindOutsideClickListener() {
            if (!this.outsideClickListener) {
                this.outsideClickListener = (event) => {
                    if ((this.activeMenuIndex != null && this.isOutsideTopbarMenuClicked(event))) {
                        this.activeMenuIndex = null;
                        this.unbindOutsideClickListener();
                    }
                };
                document.addEventListener('click', this.outsideClickListener);
            }
        },
        unbindOutsideClickListener() {
            if (this.outsideClickListener) {
                document.removeEventListener('click', this.outsideClickListener);
                this.outsideClickListener = null;
            }
        },
        isOutsideTopbarMenuClicked(event) {
            return !(this.$refs.topbarMenu.isSameNode(event.target) || this.$refs.topbarMenu.contains(event.target));
        },
        containerRef(el) {
            this.container = el;
        }
    }
}
</script>
