<main class="layout-maxed ma-collection" id="app">
    <h1>Ma collection</h1>
    <div class="filters">
        <div class="field">
            <label for="artist">Artiste</label>
            <select id="artist" v-model="artist" @change="changeFilter">
                <option value="">Tous</option>
                <%
                    for (let i = 0; i < page.artists.length; i += 1 ) {
                        __append(`<option value="${page.artists[i]}">${page.artists[i]}</option>`);
                    }
                %>
            </select>
        </div>
        <div class="field">
            <label for="format">Format</label>
            <select id="format" v-model="format" @change="changeFilter">
                <option value="">Tous</option>
                <%
                    for (let i = 0; i < page.formats.length; i += 1 ) {
                        __append(`<option value="${page.formats[i]}">${page.formats[i]}</option>`);
                    }
                %>
            </select>
        </div>
        <div class="field">
            <label for="sortOrder">Trier par</label>
            <select id="sortOrder" v-model="sortOrder" @change="changeSort">
                <option value="artists_sort-asc">Artiste (A-Z)</option>
                <option value="artists_sort-desc">Artiste (Z-A)</option>
                <option value="year-asc">Année (A-Z)</option>
                <option value="year-desc">Année (Z-A)</option>
                <option value="country-asc">Pays (A-Z)</option>
                <option value="country-desc">Pays (Z-A)</option>
                <option value="formats.name-asc">Format (A-Z)</option>
                <option value="formats.name-desc">Format (Z-A)</option>
            </select>
        </div>
    </div>
    <div class="grid grid-cols-1 md:grid-cols-2 list">
        <div class="item"  v-if="!loading" v-for="item in items">
            <span class="title">
                {{ item.artists_sort}} - {{ item.title }}
                <i class="icon-trash" @click="showConfirmDelete(item._id)"></i>
            </span>
            <div class="grid grid-cols-2 md:grid-cols-4">
                <div>
                    <img :src="item.thumb" :alt="item.title" />
                </div>
                <div class="md:col-span-3">
                    <span><strong>Année :</strong> {{ item.year }}</span>
                    <br />
                    <span><strong>Pays :</strong> {{ item.country }}</span>
                    <br />
                    <span>
                        <strong>Format : </strong>
                        <span v-for="(format, index) in item.formats">
                            {{ format.name }}
                            <template v-if="format.descriptions">
                                (<template v-for="(description, j) in format.descriptions">
                                    {{description}}<template v-if="j < format.descriptions.length - 1">, </template>
                                </template>)
                            </template>
                            <template v-if="index < item.formats.length - 1">, </template>
                        </span>
                    </span>
                    <br />
                    <span><strong>Genre :</strong> <template v-for="(genre, index) in item.genres">{{ genre }}<template v-if="index < item.genres.length - 1">, </template></template></span>
                    <br />
                    <span><strong>Style :</strong> <template v-for="(style, index) in item.styles">{{ style }}<template v-if="index < item.styles.length - 1">, </template></template></span>
                </div>
            </div>
        </div>
    </div>
    <div class="total">
        <strong>Nombre total d'éléments : </strong>{{total}}
    </div>
    <nav class="pagination" role="navigation" aria-label="Pagination">
        <ul class="pagination-list">
            <template v-for="p in Array.from({length: totalPages}, (v, i) => (i+1))">
                <template v-if="p < 2 || p > (totalPages - 1) || (page - 1) <= p && page + 1 >= p">
                    <li>
                        <a class="pagination-link" :class="{'is-current': p === page}" @click="goTo(p)" aria-label="Aller à la page {{p}}">{{ p }}</a>
                    </li>
                </template>
                <template v-if="(page - 3 === p && page - 2 > 1) || (page + 2 === p && page + 2 < totalPages - 1)">
                    <li>
                        <a class="pagination-link is-disabled">…</a>
                    </li>
                </template>
            </template>
        </ul>
    </nav>

    <div class="modal" :class="{'is-visible': showModalDelete}">
        <div class="modal-background"></div>
        <div class="modal-card">
            <header></header>
            <section>
                Êtes-vous sûr de vouloir supprimer cet album ?
            </section>
            <footer>
                <button class="button is-primary" @click="deleteItem">Supprimer</button>
                <button class="button" @click="toggleModal">Annuler</button>
            </footer>
        </div>
    </div>
</main>

<script>
    Vue.createApp({
        data() {
            return {
                loading: false,
                items: [],
                total: 0,
                page: 1,
                totalPages: 1,
                limit: 16,
                artist: '',
                format: '',
                sortOrder: 'artists_sort-asc',
                sort: 'artists_sort',
                order: 'asc',
                itemId: null,
                showModalDelete: false,
            }
        },
        created() {
            this.fetch();
        },
        methods: {
            fetch() {
                this.loading = true;

                let url = `/api/v1/albums?page=${this.page}&limit=${this.limit}&sort=${this.sort}&order=${this.order}`;
                if ( this.artist ) {
                    url += `&artists_sort=${this.artist}`;
                }
                if ( this.format ) {
                    url += `&format=${this.format}`;
                }

                axios.get(url)
                    .then( response => {
                        this.items = response.data.rows;
                        this.total = response.data.count;
                        this.totalPages = parseInt(response.data.count / this.limit) + (response.data.count % this.limit > 0 ? 1 : 0);

                    })
                    .catch((err) => {
                        showToastr(err.response?.data?.message || "Impossible de charger votre collection");
                    })
                    .finally(() => {
                        this.loading = false;
                    });
            },
            next(event) {
                event.preventDefault();

                this.page += 1;

                this.fetch();
            },
            previous(event) {
                event.preventDefault();

                this.page -= 1;

                this.fetch();
            },
            goTo(page) {
                this.page = page;

                this.fetch();
            },
            changeSort() {
                console.log('TEST:', this.sortOrder);
                const [sort,order] = this.sortOrder.split('-');
                this.sort = sort;
                this.order = order;
                this.page = 1;

                this.fetch();
            },
            changeFilter() {
                this.page = 1;

                this.fetch();
            },
            toggleModal() {
                this.showModalDelete = !this.showModalDelete;
            },
            showConfirmDelete(itemId) {
                this.itemId = itemId;
                this.toggleModal();
            },
            deleteItem() {
                axios.delete(`/api/v1/albums/${this.itemId}`)
                    .then( () => {
                        this.fetch();
                    })
                    .catch((err) => {
                        showToastr(err.response?.data?.message || "Impossible de supprimer cet album");
                    })
                    .finally(() => {
                        this.toggleModal();
                    });
            }
        }
  }).mount('#app')
</script>