{% extends "shared/frontend/base.html" %}

{% block title %}Mulighed - BMC Hub{% endblock %}

{% block extra_css %}
<style>
    .detail-grid {
        display: grid;
        grid-template-columns: 1.2fr 1.2fr 0.8fr;
        gap: 1.5rem;
    }

    .sticky-panel {
        position: sticky;
        top: 90px;
    }

    .section-card {
        border: 1px solid rgba(0,0,0,0.06);
        border-radius: 12px;
        padding: 1.25rem;
        background: var(--bg-card);
    }

    .section-title {
        font-weight: 700;
        margin-bottom: 1rem;
    }

    .comment-thread {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        max-height: 320px;
        overflow-y: auto;
        padding-right: 0.5rem;
    }

    .comment-entry {
        border: 1px solid rgba(15, 76, 117, 0.12);
        border-radius: 12px;
        padding: 1rem;
        background: var(--bg-card);
        box-shadow: 0 2px 8px rgba(15, 76, 117, 0.08);
    }

    .comment-entry .comment-header {
        display: flex;
        justify-content: space-between;
        gap: 1rem;
        flex-wrap: wrap;
        align-items: flex-start;
        margin-bottom: 0.75rem;
    }

    .comment-entry .comment-meta {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.8rem;
        color: var(--text-secondary);
    }

    .comment-badges {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .comment-badge {
        font-size: 0.75rem;
        font-weight: 600;
        padding: 0.25rem 0.75rem;
        border-radius: 999px;
        border: 1px solid rgba(15, 76, 117, 0.2);
        color: var(--accent);
        background: rgba(15, 76, 117, 0.05);
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
    }

    .comment-no-data {
        color: var(--text-secondary);
        font-size: 0.9rem;
        text-align: center;
    }
</style>
{% endblock %}

{% block content %}
<div class="d-flex justify-content-between align-items-center mb-4">
    <div>
        <h2 class="fw-bold mb-1" id="pageTitle">Mulighed</h2>
        <p class="text-muted mb-0">Detaljeret pipeline‑visning</p>
    </div>
    <div class="d-flex gap-2">
        <a class="btn btn-outline-secondary" href="/opportunities">
            <i class="bi bi-arrow-left me-2"></i>Tilbage
        </a>
        <button class="btn btn-primary" onclick="saveOpportunity()">
            <i class="bi bi-check-lg me-2"></i>Gem
        </button>
    </div>
</div>

<div class="detail-grid">
    <div class="d-flex flex-column gap-3">
        <div class="section-card">
            <div class="section-title">Grundoplysninger</div>
            <div class="mb-3">
                <label class="form-label">Titel *</label>
                <input type="text" class="form-control" id="title" required>
            </div>
            <div class="mb-3">
                <label class="form-label">Kunde</label>
                <input type="text" class="form-control" id="customerName" disabled>
            </div>
            <div class="mb-0">
                <label class="form-label">Beskrivelse</label>
                <textarea class="form-control" id="description" rows="4"></textarea>
            </div>
        </div>

        <div class="section-card">
            <div class="section-title">Salgsstatus</div>
            <div class="row g-3">
                <div class="col-md-6">
                    <label class="form-label">Stage</label>
                    <select class="form-select" id="stageId"></select>
                </div>
                <div class="col-md-6">
                    <label class="form-label">Sandsynlighed</label>
                    <input type="text" class="form-control" id="probability" disabled>
                </div>
                <div class="col-md-6">
                    <label class="form-label">Forventet lukning</label>
                    <input type="date" class="form-control" id="expectedCloseDate">
                </div>
            </div>
        </div>
    </div>

    <div class="d-flex flex-column gap-3">
        <div class="section-card">
            <div class="section-title">Løsning & Salgsdetaljer</div>
            <div class="row g-3">
                <div class="col-md-6">
                    <label class="form-label">Beløb</label>
                    <input type="number" step="0.01" class="form-control" id="amount">
                </div>
                <div class="col-md-6">
                    <label class="form-label">Valuta</label>
                    <select class="form-select" id="currency">
                        <option value="DKK">DKK</option>
                        <option value="EUR">EUR</option>
                        <option value="USD">USD</option>
                    </select>
                </div>
            </div>
        </div>

        <div class="section-card">
            <div class="section-title">Tilbud & Kontrakt</div>
            <div class="text-muted small">Felt til dokumentlink og kontraktstatus kommer i næste version.</div>
        </div>
    </div>

    <div class="sticky-panel d-flex flex-column gap-3">
        <div class="section-card">
            <div class="section-title">Pipeline‑status</div>
            <div class="d-flex justify-content-between mb-2">
                <span class="text-muted">Kunde</span>
                <span id="customerNameBadge">-</span>
            </div>
            <div class="d-flex justify-content-between mb-2">
                <span class="text-muted">Stage</span>
                <span id="stageBadge">-</span>
            </div>
            <div class="d-flex justify-content-between mb-2">
                <span class="text-muted">Værdi</span>
                <span id="amountBadge">-</span>
            </div>
            <div class="d-flex justify-content-between">
                <span class="text-muted">Sandsynlighed</span>
                <span id="probabilityBadge">-</span>
            </div>
        </div>
        <div class="section-card">
            <div class="section-title">Næste aktivitet</div>
            <div class="text-muted small">Aktivitetsmodul kommer senere.</div>
        </div>
    </div>
</div>

<div class="section-card mt-4">
    <div class="d-flex justify-content-between align-items-center mb-3">
        <div>
            <h5 class="mb-0">Varelinjer</h5>
            <p class="text-muted small mb-0">Tilføj eller fjern produkter som indgår i tilbuddet.</p>
        </div>
        <button class="btn btn-outline-primary btn-sm" onclick="openAddLineModal()">
            <i class="bi bi-plus-lg me-1"></i>Tilføj varelinje
        </button>
    </div>
    <div class="mb-3">
        <label class="form-label">Søg efter produkt</label>
        <input type="search" class="form-control" id="lineProductSearch" placeholder="Søg efter varenavn, varenr. eller kategori">
        <div id="productSearchResults" class="list-group list-group-flush mt-2"></div>
    </div>
    <div class="table-responsive">
        <table class="table table-sm table-hover">
            <thead class="table-light">
                <tr>
                    <th>Navn</th>
                    <th>Varenr.</th>
                    <th class="text-end">Antal</th>
                    <th class="text-end">Enhedspris</th>
                    <th class="text-end">Linjetotal</th>
                    <th class="text-end">Handling</th>
                </tr>
            </thead>
            <tbody id="lineItemsTableBody">
                <tr>
                    <td colspan="6" class="text-center text-muted py-4">Ingen varelinjer endnu</td>
                </tr>
            </tbody>
        </table>
    </div>
    <div class="text-end small text-muted" id="lineItemsSummary">Total: 0 kr</div>
</div>

    <div class="section-card mt-4" id="commentsSection">
        <div class="section-title">Kommentarer & aktiviteter</div>
        <div id="commentThread" class="comment-thread"></div>
        <div id="commentEmptyState" class="comment-no-data">Ingen kommentarer endnu</div>
        <div class="mt-4">
            <div class="mb-3">
                <label class="form-label">Kommentar *</label>
                <textarea class="form-control" id="commentContent" rows="3" required></textarea>
            </div>
            <div class="row g-3 mb-3">
                <div class="col-md-6">
                    <label class="form-label">Linket email</label>
                    <input type="search" class="form-control" id="commentEmailSearch" placeholder="Søg email (emne, afsender eller ID)">
                    <div id="commentEmailResults" class="list-group list-group-flush mt-2"></div>
                    <div id="linkedEmailBadge" class="d-flex align-items-center gap-2 mt-2" style="display:none;">
                        <i class="bi bi-envelope-fill text-primary"></i>
                        <span class="small text-truncate" id="linkedEmailLabel"></span>
                        <button type="button" class="btn btn-sm btn-outline-secondary" onclick="clearLinkedEmail()">Fjern</button>
                    </div>
                </div>
                <div class="col-md-6">
                    <label class="form-label">Kontrakt</label>
                    <input type="search" class="form-control" id="commentContractSearch" placeholder="Søg kontraktnr. eller nøgleord">
                    <div id="commentContractResults" class="list-group list-group-flush mt-2"></div>
                    <div class="small text-muted mt-2" id="selectedContractInfo"></div>
                </div>
            </div>
            <div class="d-flex justify-content-end gap-2">
                <button type="button" class="btn btn-outline-secondary btn-sm" onclick="clearCommentForm()">Nulstil</button>
                <button type="button" class="btn btn-primary btn-sm" onclick="submitComment()">Gem kommentar</button>
            </div>
        </div>
    </div>

<!-- Add Line Modal -->
<div class="modal fade" id="lineModal" tabindex="-1">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Tilføj varelinje</h5>
                <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
            </div>
            <div class="modal-body">
                <form id="lineItemForm">
                    <div class="mb-3">
                        <label class="form-label">Produktnavn *</label>
                        <input type="text" class="form-control" id="lineName" required>
                    </div>
                    <div class="mb-3">
                        <label class="form-label">Varenummer</label>
                        <input type="text" class="form-control" id="lineProductNumber">
                    </div>
                    <div class="row g-3">
                        <div class="col-6">
                            <label class="form-label">Antal *</label>
                            <input type="number" class="form-control" id="lineQuantity" value="1" min="1" required>
                        </div>
                        <div class="col-6">
                            <label class="form-label">Enhedspris *</label>
                            <input type="number" class="form-control" id="lineUnitPrice" step="0.01" value="0.00" required>
                        </div>
                    </div>
                    <div class="mb-3 mt-3">
                        <label class="form-label">Beskrivelse</label>
                        <textarea class="form-control" id="lineDescription" rows="2"></textarea>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Annuller</button>
                <button type="button" class="btn btn-primary" onclick="addLineItem()">Gem varelinje</button>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
const opportunityId = parseInt(window.location.pathname.split('/').pop());
let stages = [];
let opportunity = null;
let lineItems = [];
let lineModal = null;
let selectedProductCandidate = null;
let productSearchTimeout = null;
let comments = [];
let selectedCommentEmail = null;
let selectedContractCandidate = null;
let commentEmailSearchTimeout = null;
let contractSearchTimeout = null;

document.addEventListener('DOMContentLoaded', async () => {
    lineModal = new bootstrap.Modal(document.getElementById('lineModal'));
    const searchInput = document.getElementById('lineProductSearch');
    searchInput?.addEventListener('input', (event) => {
        const term = event.target.value.trim();
        clearTimeout(productSearchTimeout);
        if (!term || term.length < 2) {
            renderProductSuggestions([]);
            return;
        }
        productSearchTimeout = setTimeout(() => searchProducts(term), 250);
    });

    const emailSearchInput = document.getElementById('commentEmailSearch');
    emailSearchInput?.addEventListener('input', (event) => {
        const term = event.target.value.trim();
        clearTimeout(commentEmailSearchTimeout);
        if (!term || term.length < 2) {
            renderEmailSuggestions([]);
            return;
        }
        commentEmailSearchTimeout = setTimeout(() => searchEmails(term), 250);
    });

    const contractSearchInput = document.getElementById('commentContractSearch');
    contractSearchInput?.addEventListener('input', (event) => {
        const term = event.target.value.trim();
        clearTimeout(contractSearchTimeout);
        if (!term || term.length < 2) {
            renderContractSuggestions([]);
            return;
        }
        contractSearchTimeout = setTimeout(() => searchContracts(term), 250);
    });

    await loadStages();
    await loadOpportunity();
});

async function loadStages() {
    const response = await fetch('/api/v1/pipeline/stages');
    stages = await response.json();

    const select = document.getElementById('stageId');
    select.innerHTML = stages.map(s => `<option value="${s.id}">${s.name}</option>`).join('');
}

async function loadOpportunity() {
    const response = await fetch(`/api/v1/opportunities/${opportunityId}`);
    if (!response.ok) {
        alert('Mulighed ikke fundet');
        window.location.href = '/opportunities';
        return;
    }

    opportunity = await response.json();
    renderOpportunity();
    await loadLineItems();
    await loadComments();
}

function renderOpportunity() {
    document.getElementById('pageTitle').textContent = opportunity.title;
    document.getElementById('title').value = opportunity.title;
    document.getElementById('customerName').value = opportunity.customer_name || '-';
    document.getElementById('description').value = opportunity.description || '';
    document.getElementById('amount').value = opportunity.amount || 0;
    document.getElementById('currency').value = opportunity.currency || 'DKK';
    document.getElementById('expectedCloseDate').value = opportunity.expected_close_date || '';
    document.getElementById('stageId').value = opportunity.stage_id;
    document.getElementById('probability').value = `${opportunity.probability || 0}%`;

    document.getElementById('customerNameBadge').textContent = opportunity.customer_name || '-';
    document.getElementById('stageBadge').textContent = opportunity.stage_name || '-';
    document.getElementById('amountBadge').textContent = formatCurrency(opportunity.amount, opportunity.currency);
    document.getElementById('probabilityBadge').textContent = `${opportunity.probability || 0}%`;
}

async function saveOpportunity() {
    const payload = {
        title: document.getElementById('title').value,
        description: document.getElementById('description').value || null,
        amount: parseFloat(document.getElementById('amount').value || 0),
        currency: document.getElementById('currency').value,
        expected_close_date: document.getElementById('expectedCloseDate').value || null,
        stage_id: parseInt(document.getElementById('stageId').value)
    };

    const response = await fetch(`/api/v1/opportunities/${opportunityId}`, {
        method: 'PUT',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(payload)
    });

    if (!response.ok) {
        alert('Kunne ikke gemme mulighed');
        return;
    }

    opportunity = await response.json();
    renderOpportunity();
    await loadLineItems();
}

async function loadLineItems() {
    try {
        const response = await fetch(`/api/v1/opportunities/${opportunityId}/lines`);
        if (response.ok) {
            lineItems = await response.json();
        } else {
            lineItems = [];
        }
    } catch (error) {
        console.error('Error loading line items:', error);
        lineItems = [];
    }

    renderLineItems();
}

function renderLineItems() {
    const tbody = document.getElementById('lineItemsTableBody');
    const summary = document.getElementById('lineItemsSummary');
    if (!tbody) return;

    if (!lineItems || lineItems.length === 0) {
        tbody.innerHTML = '<tr><td colspan="6" class="text-center text-muted py-4">Ingen varelinjer endnu</td></tr>';
        if (summary) summary.textContent = 'Total: 0 kr';
        return;
    }

    let total = 0;
    tbody.innerHTML = lineItems.map(line => {
        total += parseFloat(line.total_price || 0);
        return `
            <tr>
                <td>${escapeHtml(line.name)}</td>
                <td>${escapeHtml(line.product_number || '-')}</td>
                <td class="text-end">${line.quantity}</td>
                <td class="text-end">${formatCurrency(line.unit_price, opportunity?.currency || 'DKK')}</td>
                <td class="text-end">${formatCurrency(line.total_price || 0, opportunity?.currency || 'DKK')}</td>
                <td class="text-end">
                    <button class="btn btn-sm btn-outline-danger" onclick="deleteLineItem(${line.id})">
                        <i class="bi bi-trash"></i>
                    </button>
                </td>
            </tr>
        `;
    }).join('');

    if (summary) {
        summary.textContent = `Total: ${formatCurrency(total, opportunity?.currency || 'DKK')}`;
    }
}

async function searchProducts(term) {
    if (!term) return;
    try {
        const params = new URLSearchParams({ search: term, limit: '8' });
        const response = await fetch(`/api/v1/webshop/products/search?${params}`);
        if (!response.ok) {
            renderProductSuggestions([]);
            return;
        }

        const data = await response.json();
        renderProductSuggestions(data.products || []);
    } catch (error) {
        console.error('Error searching products:', error);
    }
}

function renderProductSuggestions(products) {
    const container = document.getElementById('productSearchResults');
    if (!container) return;

    if (!products || products.length === 0) {
        container.innerHTML = '<div class="text-muted small">Ingen produkter fundet</div>';
        return;
    }

    container.innerHTML = products.map(product => `
        <button type="button" class="list-group-item list-group-item-action d-flex justify-content-between align-items-start" data-product-id="${product.id}">
            <div>
                <strong>${escapeHtml(product.name)}</strong>
                <div class="small text-muted">${escapeHtml(product.product_number || '')} ${escapeHtml(product.category || '')}</div>
            </div>
            <span class="text-primary">${formatCurrency(product.base_price, opportunity?.currency || 'DKK')}</span>
        </button>
    `).join('');

    container.querySelectorAll('button').forEach(button => {
        button.addEventListener('click', () => {
            const productId = button.dataset.productId;
            const product = products.find(p => p.id.toString() === productId);
            if (product) selectProductSuggestion(product);
        });
    });
}

function selectProductSuggestion(product) {
    selectedProductCandidate = product;
    document.getElementById('lineProductSearch').value = `${product.name} (${product.product_number || 'N/A'})`;
    document.getElementById('lineName').value = product.name;
    document.getElementById('lineProductNumber').value = product.product_number || '';
    document.getElementById('lineUnitPrice').value = parseFloat(product.base_price || 0).toFixed(2);
    renderProductSuggestions([]);
}

function openAddLineModal() {
    clearLineModal();
    lineModal?.show();
}

function clearLineModal() {
    selectedProductCandidate = null;
    document.getElementById('lineItemForm')?.reset();
    document.getElementById('lineQuantity').value = '1';
    document.getElementById('lineUnitPrice').value = '0.00';
    document.getElementById('lineProductSearch').value = '';
    renderProductSuggestions([]);
}

async function addLineItem() {
    const form = document.getElementById('lineItemForm');
    if (!form.checkValidity()) {
        form.reportValidity();
        return;
    }

    const payload = {
        name: document.getElementById('lineName').value.trim(),
        product_number: document.getElementById('lineProductNumber').value.trim() || selectedProductCandidate?.product_number,
        description: document.getElementById('lineDescription').value.trim() || null,
        quantity: parseInt(document.getElementById('lineQuantity').value || '1', 10),
        unit_price: parseFloat(document.getElementById('lineUnitPrice').value || '0')
    };

    try {
        const response = await fetch(`/api/v1/opportunities/${opportunityId}/lines`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(payload)
        });

        if (!response.ok) {
            const error = await response.text();
            alert(error || 'Kunne ikke tilføje varelinje');
            return;
        }

        lineModal?.hide();
        await loadLineItems();
    } catch (error) {
        console.error('Error adding line item:', error);
        alert('Fejl ved tilføjelse af varelinje');
    }
}

async function deleteLineItem(lineId) {
    if (!confirm('Vil du fjerne denne varelinje?')) return;

    try {
        const response = await fetch(`/api/v1/opportunities/${opportunityId}/lines/${lineId}`, {
            method: 'DELETE'
        });

        if (response.ok) {
            await loadLineItems();
        }
    } catch (error) {
        console.error('Error deleting line item:', error);
    }
}

async function loadComments() {
    try {
        const response = await fetch(`/api/v1/opportunities/${opportunityId}/comments`);
        comments = response.ok ? await response.json() : [];
    } catch (error) {
        console.error('Error loading comments:', error);
        comments = [];
    }

    renderComments();
}

function renderComments() {
    const thread = document.getElementById('commentThread');
    const emptyState = document.getElementById('commentEmptyState');
    if (!thread || !emptyState) return;

    if (!comments.length) {
        thread.innerHTML = '';
        emptyState.style.display = 'block';
        return;
    }

    emptyState.style.display = 'none';
    thread.innerHTML = comments.map(comment => {
        const authorLabel = comment.author_name || comment.user_full_name || comment.username || 'Hub Bruger';
        let emailBadge = '';
        if (comment.email_id) {
            const label = comment.email_subject
                ? `${comment.email_subject}`
                : `Email #${comment.email_id}`;
            const safeLink = escapeHtml(`/emails/${comment.email_id}`);
            emailBadge = `
                <a class="comment-badge" href="${safeLink}" target="_blank" rel="noreferrer"
                   title="${escapeHtml(comment.email_sender || 'Åben email')}" >
                    <i class="bi bi-envelope"></i>${escapeHtml(label)}
                </a>
            `;
        }

        let contractBadge = '';
        if (comment.contract_number) {
            const label = `Kontrakt: ${comment.contract_number}`;
            const title = comment.contract_context ? escapeHtml(comment.contract_context) : '';
            if (comment.contract_link) {
                const safeLink = escapeHtml(comment.contract_link);
                contractBadge = `
                    <a class="comment-badge" href="${safeLink}" target="_blank" rel="noreferrer" title="${title}">
                        <i class="bi bi-file-earmark-text"></i>${escapeHtml(label)}
                    </a>
                `;
            } else {
                contractBadge = `<span class="comment-badge" title="${title}"><i class="bi bi-file-earmark-text"></i>${escapeHtml(label)}</span>`;
            }
        }

        return `
            <div class="comment-entry">
                <div class="comment-header">
                    <div>
                        <strong>${escapeHtml(authorLabel)}</strong>
                        <div class="comment-meta">${formatCommentTimestamp(comment.created_at)}</div>
                    </div>
                    <div class="comment-badges">
                        ${emailBadge}
                        ${contractBadge}
                    </div>
                </div>
                <div class="comment-body">${formatCommentBody(comment.content)}</div>
            </div>
        `;
    }).join('');
}

function formatCommentTimestamp(value) {
    if (!value) return '';
    const parsed = new Date(value);
    if (Number.isNaN(parsed.getTime())) return '';
    return parsed.toLocaleString('da-DK', { dateStyle: 'medium', timeStyle: 'short' });
}

function formatCommentBody(text) {
    if (!text) return '';
    return escapeHtml(text).replace(/\n/g, '<br>');
}

async function submitComment() {
    const contentEl = document.getElementById('commentContent');
    if (!contentEl) return;
    const content = contentEl.value.trim();
    if (!content) {
        alert('Kommentar er påkrævet');
        return;
    }

    const payload = {
        content,
        author_name: getCurrentUserDisplayName()
    };

    if (selectedCommentEmail) {
        payload.email_id = selectedCommentEmail.id;
        payload.metadata = { linked_email_subject: selectedCommentEmail.subject };
    }

    if (selectedContractCandidate) {
        payload.contract_number = selectedContractCandidate.contract_number;
        payload.contract_context = `Registreret ${selectedContractCandidate.hits} gange`;
    }

    try {
        const response = await fetch(`/api/v1/opportunities/${opportunityId}/comments`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(payload)
        });

        if (!response.ok) {
            const error = await response.text();
            alert(error || 'Kunne ikke gemme kommentar');
            return;
        }

        clearCommentForm();
        await loadComments();
    } catch (error) {
        console.error('Error saving comment:', error);
        alert('Fejl ved gemning af kommentar');
    }
}

function clearCommentForm() {
    const contentEl = document.getElementById('commentContent');
    if (contentEl) contentEl.value = '';
    const emailInput = document.getElementById('commentEmailSearch');
    if (emailInput) emailInput.value = '';
    const contractInput = document.getElementById('commentContractSearch');
    if (contractInput) contractInput.value = '';
    renderEmailSuggestions([]);
    renderContractSuggestions([]);
    clearLinkedEmail();
    clearSelectedContract();
}

function clearLinkedEmail() {
    selectedCommentEmail = null;
    const badge = document.getElementById('linkedEmailBadge');
    const label = document.getElementById('linkedEmailLabel');
    if (badge) badge.style.display = 'none';
    if (label) label.textContent = '';
}

async function searchEmails(term) {
    if (!term) {
        renderEmailSuggestions([]);
        return;
    }

    try {
        const params = new URLSearchParams({ q: term, limit: '6' });
        const response = await fetch(`/api/v1/emails?${params}`);
        if (!response.ok) {
            renderEmailSuggestions([]);
            return;
        }

        const data = await response.json();
        renderEmailSuggestions(Array.isArray(data) ? data : data || []);
    } catch (error) {
        console.error('Error searching emails:', error);
        renderEmailSuggestions([]);
    }
}

function renderEmailSuggestions(results) {
    const container = document.getElementById('commentEmailResults');
    if (!container) return;

    if (!results || results.length === 0) {
        container.innerHTML = '<div class="text-muted small">Ingen emails fundet</div>';
        return;
    }

    container.innerHTML = results.map(email => `
        <button type="button" class="list-group-item list-group-item-action d-flex flex-column align-items-start" data-email-id="${email.id}">
            <div class="fw-semibold">${escapeHtml(email.subject || 'Ingen emne')}</div>
            <small class="text-muted">${escapeHtml(email.sender_email || '-')}</small>
            <small class="text-muted">${formatCommentTimestamp(email.received_date)}</small>
        </button>
    `).join('');

    container.querySelectorAll('button').forEach(button => {
        button.addEventListener('click', () => {
            const emailId = button.dataset.emailId;
            const matched = results.find(item => item.id.toString() === emailId);
            if (matched) selectEmailSuggestion(matched);
        });
    });
}

function selectEmailSuggestion(email) {
    selectedCommentEmail = email;
    const emailInput = document.getElementById('commentEmailSearch');
    if (emailInput) emailInput.value = email.subject || '';
    const badge = document.getElementById('linkedEmailBadge');
    const label = document.getElementById('linkedEmailLabel');
    if (badge) badge.style.display = 'flex';
    if (label) label.textContent = `${email.subject || 'Email'} • ${email.sender_email || ''}`;
    document.getElementById('commentEmailResults').innerHTML = '';
}

async function searchContracts(term) {
    if (!term) {
        renderContractSuggestions([]);
        return;
    }

    try {
        const params = new URLSearchParams({ query: term, limit: '6' });
        const response = await fetch(`/api/v1/contracts/search?${params}`);
        if (!response.ok) {
            renderContractSuggestions([]);
            return;
        }

        const data = await response.json();
        renderContractSuggestions(data);
    } catch (error) {
        console.error('Error searching contracts:', error);
        renderContractSuggestions([]);
    }
}

function renderContractSuggestions(results) {
    const container = document.getElementById('commentContractResults');
    if (!container) return;

    if (!results || results.length === 0) {
        container.innerHTML = '<div class="text-muted small">Ingen kontrakter fundet</div>';
        return;
    }

    container.innerHTML = results.map(contract => `
        <button type="button" class="list-group-item list-group-item-action d-flex flex-column align-items-start" data-contract-number="${escapeHtml(contract.contract_number)}">
            <div class="fw-semibold">${escapeHtml(contract.contract_number)}</div>
            <small class="text-muted">${contract.hits || 0} linjer • ${formatCommentTimestamp(contract.last_seen)}</small>
        </button>
    `).join('');

    container.querySelectorAll('button').forEach(button => {
        button.addEventListener('click', () => {
            const contractNumber = button.dataset.contractNumber;
            const matched = results.find(item => item.contract_number === contractNumber);
            if (matched) selectContractSuggestion(matched);
        });
    });
}

function selectContractSuggestion(contract) {
    selectedContractCandidate = contract;
    const contractInput = document.getElementById('commentContractSearch');
    if (contractInput) contractInput.value = contract.contract_number;
    const info = document.getElementById('selectedContractInfo');
    if (info) {
        info.textContent = `${contract.hits || 0} match • Senest ${formatCommentTimestamp(contract.last_seen)}`;
    }
    document.getElementById('commentContractResults').innerHTML = '';
}

function clearSelectedContract() {
    selectedContractCandidate = null;
    const info = document.getElementById('selectedContractInfo');
    if (info) info.textContent = '';
}

function getCurrentUserDisplayName() {
    const profile = document.querySelector('.dropdown .small.fw-bold');
    return profile ? profile.textContent.trim() : 'Hub Bruger';
}

function formatCurrency(value, currency) {
    const num = parseFloat(value || 0);
    return new Intl.NumberFormat('da-DK', { style: 'currency', currency: currency || 'DKK' }).format(num);
}

function escapeHtml(text) {
    if (!text) return '';
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}
</script>
{% endblock %}