{% extends "industry_reforged/base.html" %}
{% load i18n humanize %}
{% load industry_tags %}

{% block details %}
<style>
    .drilldown-btn[aria-expanded="true"] .transition-icon {
        transform: rotate(180deg);
    }
    .transition-icon {
        transition: transform 0.2s ease-in-out;
    }
</style>
<div class="container-fluid">
    <div class="row mb-3">
        <div class="col-12 d-flex justify-content-between align-items-center">
            <div>
                <h3 class="mb-0"><i class="fas fa-shopping-cart"></i> {% trans "Consolidated Shopping List" %}</h3>
                {% if custom_item_name %}
                    <h5 class="text-info mt-2 mb-0">{% trans "For:" %} {{ custom_item_name }} (x{{ custom_item_quantity }})</h5>
                {% endif %}
            </div>
            <div>
                <button onclick="copyMultibuy()" class="btn btn-warning me-2" id="copyBtn"><i class="fas fa-copy"></i> {% trans "Copy for EVE Multibuy" %}</button>
                <a href="javascript:history.back()" class="btn btn-primary"><i class="fas fa-arrow-left"></i> {% trans "Back" %}</a>
            </div>
        </div>
    </div>



    <div class="card border-0 mb-4 bg-transparent">
        <div class="card-header p-0 border-bottom-0">
            <ul class="nav nav-tabs" id="shopping-tabs" role="tablist">
                <li class="nav-item" role="presentation">
                    <button class="nav-link active" id="flat-tab" data-bs-toggle="tab" data-bs-target="#flat-pane" type="button" role="tab" aria-controls="flat-pane" aria-selected="true"><i class="fas fa-list me-2"></i>{% trans "Flat Overview" %}</button>
                </li>
                <li class="nav-item" role="presentation">
                    <button class="nav-link" id="tree-tab" data-bs-toggle="tab" data-bs-target="#tree-pane" type="button" role="tab" aria-controls="tree-pane" aria-selected="false"><i class="fas fa-sitemap me-2"></i>{% trans "Production Tree" %}</button>
                </li>
            </ul>
        </div>
        <div class="card-body p-0 mt-3">
            <div class="tab-content" id="shopping-tabsContent">

                <!-- TAB 1: FLAT -->
                <div class="tab-pane fade show active" id="flat-pane" role="tabpanel" aria-labelledby="flat-tab" tabindex="0">
                    <div class="card border-0 h-100 bg-dark">
                        <div class="card-header border-bottom border-secondary d-flex justify-content-between align-items-center">
            <h3 class="card-title text-white mb-0">{% trans "Bill of Materials Overview" %}</h3>
            <span class="badge bg-primary fs-6">{{ bom_materials|length }} Materials</span>
        </div>
        <div class="card-body p-0">
            <div class="table-responsive">
                <table class="table table-striped table-dark m-0">
                    <thead>
                        <tr>
                            <th>{% trans "Material" %}</th>
                            <th class="text-end">{% trans "Total Quantity Required" %}</th>
                            <th class="text-end">{% trans "Est. Jita Unit Price" %}</th>
                            <th class="text-end">{% trans "Est. Total Cost" %}</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for mat in bom_materials %}
                        <tr>
                            <td>
                                <div class="d-flex align-items-center">
                                    <img onerror="this.onerror=null; this.src='https://images.evetech.net/types/3514/icon?size=32';" src="https://images.evetech.net/types/{{ mat.type_id }}/icon?size=32" alt="{{ mat.name }}" width="24" height="24" class="me-2 rounded">
                                    <span>{{ mat.name }}</span>
                                </div>
                            </td>
                            <td class="text-end numeric">{{ mat.quantity|intcomma }}</td>
                            <td class="text-end numeric text-muted">{{ mat.price_per_unit|eve_isk }}</td>
                            <td class="text-end numeric text-warning">{{ mat.total_price|eve_isk }}</td>
                        </tr>
                        {% empty %}
                        <tr><td colspan="4" class="text-center py-4">No materials found.</td></tr>
                        {% endfor %}
                    </tbody>
                    <tfoot>
                        <tr>
                            <th colspan="3" class="text-end fs-4">{% trans "Estimated Total Materials Cost:" %}</th>
                            <th class="text-end fs-4 text-warning numeric">{{ total_bom_price|eve_isk }}</th>
                        </tr>
                    </tfoot>
                </table>
            </div>
        </div>
    </div>
</div>
<!-- END TAB 1 -->

        <!-- TAB 2: TREE -->
        <div class="tab-pane fade" id="tree-pane" role="tabpanel" aria-labelledby="tree-tab" tabindex="0">
            <div class="card border-0 h-100 bg-dark">
                <div class="card-header border-bottom border-secondary d-flex justify-content-between align-items-center flex-wrap gap-2">
                    <h3 class="card-title text-white mb-0">{% trans "Recursive Production Tree" %}</h3>
                    <div class="d-flex align-items-center gap-2">
                        <input type="text" id="treeSearchInput" class="form-control form-control-sm bg-dark text-white border-secondary" placeholder="{% trans 'Search tree...' %}" onkeyup="filterTreeDelay()" style="width: 200px;">
                        <button class="btn btn-sm btn-outline-light text-nowrap" onclick="toggleAllDrilldowns(this)" data-expanded="false"><i class="fas fa-expand-arrows-alt"></i> {% trans "Expand All" %}</button>
                    </div>
                </div>
                <div class="card-body p-4 position-relative" style="max-height: 800px; overflow-y: auto;">
                    <div id="treeLoadingOverlay" class="position-absolute top-0 start-0 w-100 h-100 d-flex flex-column justify-content-center align-items-center bg-dark" style="z-index: 10; opacity: 0.9; display: none !important;">
                        <div class="spinner-border text-light mb-2" role="status" style="width: 3rem; height: 3rem;"></div>
                        <h5 class="text-light">{% trans "Processing Tree..." %}</h5>
                    </div>
                    {% if recursive_bom_tree %}
                        {% for root_node in recursive_bom_tree %}
                            <div class="mb-4">
                                {% include "industry_reforged/partials/bom_tree_node.html" with node=root_node prefix=forloop.counter|stringformat:"s" %}
                            </div>
                        {% endfor %}
                    {% else %}
                        <p class="text-muted">{% trans "No production tree available." %}</p>
                    {% endif %}
                </div>
            </div>
        </div>
        <!-- END TAB 2 -->

    </div>
</div>
</div>
</div>

<textarea id="multibuyText" style="display:none;">{% for mat in bom_materials %}{{ mat.name }} {{ mat.quantity }}
{% endfor %}</textarea>

<script>
    var searchTimeout = null;

    function filterTreeDelay() {
        var overlay = document.getElementById('treeLoadingOverlay');
        overlay.style.setProperty('display', 'flex', 'important');

        clearTimeout(searchTimeout);
        searchTimeout = setTimeout(function() {
            filterTree();
            overlay.style.setProperty('display', 'none', 'important');
        }, 300);
    }

    function filterTree() {
        var query = document.getElementById('treeSearchInput').value.toLowerCase();
        var allNodes = document.querySelectorAll('.bom-node');
        var allRows = document.querySelectorAll('.bom-node > .d-flex');

        if (!query) {
            allNodes.forEach(function(node) {
                node.style.setProperty('display', '', '');
            });
            return;
        }

        // Hide all first
        allNodes.forEach(function(node) {
            node.style.setProperty('display', 'none', 'important');
        });

        // Find matches and reveal parents
        allRows.forEach(function(row) {
            var nameEl = row.querySelector('strong');
            if (nameEl && nameEl.innerText.toLowerCase().includes(query)) {
                var node = row.closest('.bom-node');
                if (node) {
                    node.style.setProperty('display', '', '');

                    var parent = node.parentElement.closest('.bom-node');
                    while (parent) {
                        parent.style.setProperty('display', '', '');
                        var bsCollapseEl = parent.querySelector('.collapse');
                        if (bsCollapseEl) {
                            var bsCollapse = bootstrap.Collapse.getOrCreateInstance(bsCollapseEl, {toggle: false});
                            bsCollapse.show();
                            var btn = parent.querySelector('.drilldown-btn');
                            if (btn) btn.setAttribute('aria-expanded', 'true');
                        }
                        parent = parent.parentElement.closest('.bom-node');
                    }
                }
            }
        });
    }
    function toggleAllDrilldowns(btn) {
        var isExpanding = btn.getAttribute('data-expanded') !== 'true';
        var elements = document.querySelectorAll('.bom-node .collapse');
        var overlay = document.getElementById('treeLoadingOverlay');

        // Show loading overlay
        overlay.style.setProperty('display', 'flex', 'important');
        btn.disabled = true;

        // Allow browser to render the overlay before freezing the thread
        setTimeout(function() {
            elements.forEach(function(el) {
                var bsCollapse = bootstrap.Collapse.getOrCreateInstance(el, {toggle: false});
                if (isExpanding) {
                    bsCollapse.show();
                } else {
                    bsCollapse.hide();
                }
            });

            if (isExpanding) {
                btn.innerHTML = '<i class="fas fa-compress-arrows-alt"></i> {% trans "Collapse All" %}';
                btn.setAttribute('data-expanded', 'true');
            } else {
                btn.innerHTML = '<i class="fas fa-expand-arrows-alt"></i> {% trans "Expand All" %}';
                btn.setAttribute('data-expanded', 'false');
            }

            // Hide loading overlay
            overlay.style.setProperty('display', 'none', 'important');
            btn.disabled = false;
        }, 50);
    }
    function copyMultibuy() {
        var text = document.getElementById("multibuyText").value;
        navigator.clipboard.writeText(text).then(function() {
            var btn = document.getElementById("copyBtn");
            var oldHtml = btn.innerHTML;
            btn.innerHTML = '<i class="fas fa-check"></i> Copied!';
            btn.classList.remove('btn-warning');
            btn.classList.add('btn-success');
            setTimeout(function() {
                btn.innerHTML = oldHtml;
                btn.classList.remove('btn-success');
                btn.classList.add('btn-warning');
            }, 2000);
        });
    }
</script>
{% endblock %}