{# app/templates/storefront/search.html #}
{# noqa: FE-001 - Shop uses custom pagination with vendor-themed styling (CSS variables) #}
{% extends "storefront/base.html" %}

{% block title %}Search Results{% if query %} for "{{ query }}"{% endif %}{% endblock %}

{# Alpine.js component #}
{% block alpine_data %}shopSearch(){% endblock %}

{% block content %}
<div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-8">

    {# Breadcrumbs #}
    <div class="breadcrumb mb-6">
        <a href="{{ base_url }}" class="hover:text-primary">Home</a>
        <span>/</span>
        <span class="text-gray-900 dark:text-gray-200 font-medium">Search</span>
    </div>

    {# Page Header #}
    <div class="mb-8">
        <h1 class="text-3xl md:text-4xl font-bold text-gray-800 dark:text-gray-200 mb-2">
            <span x-show="query">Search Results for "<span x-text="query"></span>"</span>
            <span x-show="!query">Search Products</span>
        </h1>
        <p class="text-gray-600 dark:text-gray-400" x-show="!loading && total > 0">
            Found <span x-text="total" class="font-semibold"></span> product<span x-show="total !== 1">s</span>
        </p>
    </div>

    {# Search Bar #}
    <div class="bg-white dark:bg-gray-800 rounded-lg shadow-sm p-4 mb-6">
        <form @submit.prevent="performSearch" class="flex gap-4">
            <div class="flex-1 relative">
                <span class="absolute inset-y-0 left-0 flex items-center pl-3 text-gray-400">
                    <span x-html="$icon('search', 'w-5 h-5')"></span>
                </span>
                <input
                    type="text"
                    x-model="searchInput"
                    placeholder="Search products by name, description, SKU..."
                    class="w-full pl-10 pr-4 py-3 border border-gray-300 dark:border-gray-600 rounded-lg focus:ring-2 focus:ring-primary focus:border-transparent dark:bg-gray-700 dark:text-white"
                    autofocus
                >
            </div>
            <button
                type="submit"
                class="px-6 py-3 bg-primary text-white rounded-lg hover:bg-primary-dark transition-colors flex items-center gap-2"
                style="background-color: var(--color-primary)"
                :disabled="searching"
            >
                <span x-show="!searching" x-html="$icon('search', 'w-5 h-5')"></span>
                <span x-show="searching" class="spinner-sm"></span>
                <span class="hidden sm:inline">Search</span>
            </button>
        </form>
    </div>

    {# Results Area #}
    <div>
        {# Loading State #}
        <div x-show="loading" class="flex justify-center items-center py-12">
            <div class="spinner"></div>
        </div>

        {# No Query Yet #}
        <div x-show="!loading && !query" class="text-center py-12 bg-white dark:bg-gray-800 rounded-lg border-2 border-dashed border-gray-300 dark:border-gray-600">
            <div class="text-6xl mb-4">
                <span x-html="$icon('search', 'w-16 h-16 mx-auto text-gray-400')"></span>
            </div>
            <h3 class="text-2xl font-semibold text-gray-700 dark:text-gray-200 mb-2">
                Start Your Search
            </h3>
            <p class="text-gray-600 dark:text-gray-400">
                Enter a search term above to find products
            </p>
        </div>

        {# Search Results Grid #}
        <div x-show="!loading && query && products.length > 0" class="product-grid">
            <template x-for="product in products" :key="product.id">
                <div class="bg-white dark:bg-gray-800 rounded-lg shadow-sm hover:shadow-md transition-shadow overflow-hidden">
                    <a :href="`{{ base_url }}shop/products/${product.id}`">
                        <img :src="product.marketplace_product?.image_link || '/static/shop/img/placeholder.svg'"
                             @error="$el.src = '/static/shop/img/placeholder.svg'"
                             :alt="product.marketplace_product?.title"
                             class="w-full h-48 object-cover">
                    </a>
                    <div class="p-4">
                        <a :href="`{{ base_url }}shop/products/${product.id}`" class="block">
                            <h3 class="text-lg font-semibold text-gray-800 dark:text-gray-200 mb-2 line-clamp-2" x-text="product.marketplace_product?.title"></h3>
                        </a>
                        <p class="text-sm text-gray-600 dark:text-gray-400 mb-3 line-clamp-2" x-text="product.marketplace_product?.description"></p>

                        {# Brand badge if available #}
                        <div x-show="product.brand" class="mb-2">
                            <span class="inline-block px-2 py-1 text-xs font-medium bg-gray-100 dark:bg-gray-700 text-gray-600 dark:text-gray-300 rounded" x-text="product.brand"></span>
                        </div>

                        <div class="flex items-center justify-between gap-2">
                            <div class="min-w-0">
                                <span class="text-xl sm:text-2xl font-bold text-primary" x-text="formatPrice(product.price)"></span>
                                <span x-show="product.sale_price" class="text-sm text-gray-500 line-through ml-2" x-text="formatPrice(product.sale_price)"></span>
                            </div>
                            <button @click.prevent="addToCart(product)"
                                    class="flex-shrink-0 p-2 sm:px-4 sm:py-2 bg-primary text-white rounded-lg hover:bg-primary-dark transition-colors flex items-center justify-center gap-2"
                                    style="background-color: var(--color-primary)"
                                    :title="'Add to Cart'">
                                <span class="w-5 h-5" x-html="$icon('shopping-cart', 'w-5 h-5')"></span>
                                <span class="hidden sm:inline">Add</span>
                            </button>
                        </div>
                    </div>
                </div>
            </template>
        </div>

        {# No Results Message #}
        <div x-show="!loading && query && products.length === 0" class="text-center py-12 bg-white dark:bg-gray-800 rounded-lg border-2 border-dashed border-gray-300 dark:border-gray-600">
            <div class="text-6xl mb-4">
                <span x-html="$icon('search-x', 'w-16 h-16 mx-auto text-gray-400')"></span>
            </div>
            <h3 class="text-2xl font-semibold text-gray-700 dark:text-gray-200 mb-2">
                No Results Found
            </h3>
            <p class="text-gray-600 dark:text-gray-400 mb-4">
                No products match "<span x-text="query" class="font-medium"></span>"
            </p>
            <p class="text-sm text-gray-500 dark:text-gray-500">
                Try different keywords or check the spelling
            </p>
        </div>

        {# Pagination #}
        <div x-show="!loading && query && totalPages > 1" class="mt-8 flex justify-center">
            <div class="flex gap-2">
                <button
                    @click="goToPage(currentPage - 1)"
                    :disabled="currentPage === 1"
                    class="px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-700 disabled:opacity-50 disabled:cursor-not-allowed"
                >
                    Previous
                </button>

                <template x-for="page in visiblePages" :key="page">
                    <button
                        @click="goToPage(page)"
                        :class="page === currentPage ? 'bg-primary text-white' : 'border border-gray-300 dark:border-gray-600 hover:bg-gray-100 dark:hover:bg-gray-700'"
                        class="px-4 py-2 rounded-lg"
                        :style="page === currentPage ? 'background-color: var(--color-primary)' : ''"
                        x-text="page"
                    ></button>
                </template>

                <button
                    @click="goToPage(currentPage + 1)"
                    :disabled="currentPage === totalPages"
                    class="px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg hover:bg-gray-100 dark:hover:bg-gray-700 disabled:opacity-50 disabled:cursor-not-allowed"
                >
                    Next
                </button>
            </div>
        </div>
    </div>

</div>
{% endblock %}

{% block extra_scripts %}
<script>
document.addEventListener('alpine:init', () => {
    Alpine.data('shopSearch', () => ({
        ...shopLayoutData(),

        // Search state
        searchInput: '',
        query: '',
        products: [],
        total: 0,
        loading: false,
        searching: false,

        // Pagination
        currentPage: 1,
        perPage: 12,

        get totalPages() {
            return Math.ceil(this.total / this.perPage);
        },

        get visiblePages() {
            const pages = [];
            const total = this.totalPages;
            const current = this.currentPage;

            let start = Math.max(1, current - 2);
            let end = Math.min(total, current + 2);

            // Adjust to always show 5 pages if possible
            if (end - start < 4) {
                if (start === 1) {
                    end = Math.min(total, 5);
                } else {
                    start = Math.max(1, total - 4);
                }
            }

            for (let i = start; i <= end; i++) {
                pages.push(i);
            }
            return pages;
        },

        async init() {
            console.log('[SHOP] Search page initializing...');

            // Check for query parameter in URL
            const urlParams = new URLSearchParams(window.location.search);
            const urlQuery = urlParams.get('q');

            if (urlQuery) {
                this.searchInput = urlQuery;
                this.query = urlQuery;
                await this.loadResults();
            }
        },

        async performSearch() {
            if (!this.searchInput.trim()) {
                return;
            }

            this.query = this.searchInput.trim();
            this.currentPage = 1;

            // Update URL without reload
            const url = new URL(window.location);
            url.searchParams.set('q', this.query);
            window.history.pushState({}, '', url);

            await this.loadResults();
        },

        async loadResults() {
            if (!this.query) return;

            this.loading = true;
            this.searching = true;

            try {
                const params = new URLSearchParams({
                    q: this.query,
                    skip: (this.currentPage - 1) * this.perPage,
                    limit: this.perPage
                });

                console.log(`[SHOP] Searching: /api/v1/shop/products/search?${params}`);

                const response = await fetch(`/api/v1/shop/products/search?${params}`);

                if (!response.ok) {
                    throw new Error(`HTTP ${response.status}: ${response.statusText}`);
                }

                const data = await response.json();

                console.log(`[SHOP] Search found ${data.total} results`);

                this.products = data.products;
                this.total = data.total;
            } catch (error) {
                console.error('[SHOP] Search failed:', error);
                this.showToast('Search failed. Please try again.', 'error');
                this.products = [];
                this.total = 0;
            } finally {
                this.loading = false;
                this.searching = false;
            }
        },

        async goToPage(page) {
            if (page < 1 || page > this.totalPages) return;
            this.currentPage = page;
            await this.loadResults();

            // Scroll to top of results
            window.scrollTo({ top: 0, behavior: 'smooth' });
        },

        async addToCart(product) {
            console.log('[SHOP] Adding to cart:', product);

            try {
                const url = `/api/v1/shop/cart/${this.sessionId}/items`;
                const payload = {
                    product_id: product.id,
                    quantity: 1
                };

                const response = await fetch(url, {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify(payload)
                });

                if (response.ok) {
                    const result = await response.json();
                    console.log('[SHOP] Add to cart success:', result);
                    this.cartCount += 1;
                    this.showToast(`${product.marketplace_product?.title || 'Product'} added to cart`, 'success');
                } else {
                    const error = await response.json();
                    console.error('[SHOP] Add to cart error:', error);
                    this.showToast(error.message || 'Failed to add to cart', 'error');
                }
            } catch (error) {
                console.error('[SHOP] Add to cart exception:', error);
                this.showToast('Failed to add to cart', 'error');
            }
        }
    }));
});
</script>
{% endblock %}