{% extends "base.html" %}
{% block title %}IPAM - {{ t('network_label') }}{% endblock %}

{% block content %}
<div class="page-header" style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem;">
    <div>
        <h1 style="font-size: 1.75rem; font-weight: 600; margin: 0;"><i class="fa-solid fa-globe"></i> {{ t('ipam_networks') }}</h1>
        <p style="color: var(--text-secondary); margin-top: 0.25rem;">{{ t('ip_networks_management') }}</p>
    </div>
    <div style="display: flex; gap: 0.75rem;">
        <a href="/ipam" class="btn" style="background: var(--bg-tertiary); color: var(--text-primary);">← {{ t('back') }}</a>
        <button onclick="showAddNetworkModal()" class="btn btn-success" data-permission="ipam.manage"><i class="fa-solid fa-plus"></i> {{ t('add_network') }}</button>
    </div>
</div>

<!-- Networks List -->
<div class="card">
    <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem;">
        <h3 style="margin: 0;"><i class="fa-solid fa-list"></i> {{ t('all_networks') }}</h3>
        <button onclick="loadNetworks()" class="btn btn-sm" style="background: var(--bg-tertiary); color: var(--text-primary);"><i class="fa-solid fa-rotate"></i> {{ t('refresh') }}</button>
    </div>
    
    <div id="networksContainer">
        <div style="text-align: center; padding: 2rem; color: var(--text-muted);">
            <i class="fa-solid fa-spinner fa-spin"></i> {{ t('loading') }}
        </div>
    </div>
</div>

<!-- Add Network Modal -->
<div id="addNetworkModal" style="display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.85); z-index: 2000; align-items: center; justify-content: center; padding: 1rem;">
    <div class="card" style="max-width: 600px; width: 95%; max-height: 90vh; overflow-y: auto;">
        <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem;">
            <h3 style="margin: 0;"><i class="fa-solid fa-plus"></i> {{ t('add_network') }}</h3>
            <button onclick="closeAddNetworkModal()" style="background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer;">&times;</button>
        </div>
        
        <form id="addNetworkForm" onsubmit="createNetwork(event)">
            <div style="display: grid; gap: 1rem;">
                <div class="form-group">
                    <label style="display: block; margin-bottom: 0.5rem; color: var(--text-secondary);">{{ t('title') }} {{ t('required') }}</label>
                    <input type="text" id="networkName" required placeholder="Production Network" style="width: 100%; padding: 0.75rem; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary);">
                </div>
                
                <div class="form-group">
                    <label style="display: block; margin-bottom: 0.5rem; color: var(--text-secondary);">{{ t('network_cidr') }} {{ t('required') }}</label>
                    <input type="text" id="networkCIDR" required placeholder="10.10.10.0/24" pattern="^(\d{1,3}\.){3}\d{1,3}/\d{1,2}$" style="width: 100%; padding: 0.75rem; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary);">
                </div>
                
                <div class="form-group">
                    <label style="display: block; margin-bottom: 0.5rem; color: var(--text-secondary);">{{ t('gateway') }}</label>
                    <input type="text" id="networkGateway" placeholder="10.10.10.1" style="width: 100%; padding: 0.75rem; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary);">
                </div>
                
                <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;">
                    <div class="form-group">
                        <label style="display: block; margin-bottom: 0.5rem; color: var(--text-secondary);">{{ t('vlan_id') }}</label>
                        <input type="number" id="networkVLAN" min="1" max="4094" placeholder="100" style="width: 100%; padding: 0.75rem; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary);">
                    </div>
                    
                    <div class="form-group">
                        <label style="display: block; margin-bottom: 0.5rem; color: var(--text-secondary);">{{ t('proxmox_bridge') }}</label>
                        <input type="text" id="networkBridge" placeholder="vmbr0" style="width: 100%; padding: 0.75rem; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary);">
                    </div>
                </div>
                
                <div class="form-group">
                    <label style="display: block; margin-bottom: 0.5rem; color: var(--text-secondary);">{{ t('description') }}</label>
                    <textarea id="networkDescription" rows="2" placeholder="{{ t('description_placeholder') }}" style="width: 100%; padding: 0.75rem; border-radius: 6px; border: 1px solid var(--border-color); background: var(--bg-tertiary); color: var(--text-primary); resize: vertical;"></textarea>
                </div>
            </div>
            
            <div style="display: flex; gap: 1rem; justify-content: flex-end; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border-color);">
                <button type="button" onclick="closeAddNetworkModal()" class="btn" style="background: var(--bg-tertiary); color: var(--text-primary);">{{ t('cancel') }}</button>
                <button type="submit" class="btn btn-success"><i class="fa-solid fa-floppy-disk"></i> {{ t('create') }}</button>
            </div>
        </form>
    </div>
</div>

<script>
async function loadNetworks() {
    try {
        const response = await fetchWithAuth('/ipam/api/networks');
        const container = document.getElementById('networksContainer');
        
        if (response.ok) {
            const networks = await response.json();
            
            if (networks.length === 0) {
                container.innerHTML = `
                    <div style="text-align: center; padding: 3rem;">
                        <div style="font-size: 3rem; margin-bottom: 1rem;"><i class="fa-solid fa-globe"></i></div>
                        <h3 style="color: var(--text-primary); margin-bottom: 0.5rem;">${t('networks_not_found')}</h3>
                        <p style="color: var(--text-secondary); margin-bottom: 1.5rem;">${t('add_first_network')}</p>
                        <button onclick="showAddNetworkModal()" class="btn btn-success"><i class="fa-solid fa-plus"></i> ${t('add_network')}</button>
                    </div>
                `;
                return;
            }
            
            container.innerHTML = `
                <table style="width: 100%; border-collapse: collapse;">
                    <thead>
                        <tr style="border-bottom: 1px solid var(--border-color);">
                            <th style="text-align: left; padding: 0.75rem; color: var(--text-secondary); font-weight: 500;">${t('network_label')}</th>
                            <th style="text-align: left; padding: 0.75rem; color: var(--text-secondary); font-weight: 500;">${t('cidr')}</th>
                            <th style="text-align: left; padding: 0.75rem; color: var(--text-secondary); font-weight: 500;">${t('gateway')}</th>
                            <th style="text-align: left; padding: 0.75rem; color: var(--text-secondary); font-weight: 500;">${t('vlan')}</th>
                            <th style="text-align: left; padding: 0.75rem; color: var(--text-secondary); font-weight: 500;">${t('usage')}</th>
                            <th style="text-align: right; padding: 0.75rem; color: var(--text-secondary); font-weight: 500;">${t('actions')}</th>
                        </tr>
                    </thead>
                    <tbody>
                        ${networks.map(net => `
                            <tr style="border-bottom: 1px solid var(--border-color);" onmouseover="this.style.background='var(--bg-hover)'" onmouseout="this.style.background='transparent'">
                                <td style="padding: 0.75rem;">
                                    <a href="/ipam/network/${net.id}" style="color: var(--accent); text-decoration: none; font-weight: 500;">
                                        ${net.name}
                                    </a>
                                    ${net.description ? `<div style="font-size: 0.75rem; color: var(--text-muted);">${net.description}</div>` : ''}
                                </td>
                                <td style="padding: 0.75rem; font-family: monospace; color: var(--text-primary);">${net.network}</td>
                                <td style="padding: 0.75rem; font-family: monospace; color: var(--text-secondary);">${net.gateway || '-'}</td>
                                <td style="padding: 0.75rem; color: var(--text-primary);">${net.vlan_id || '-'}</td>
                                <td style="padding: 0.75rem;">
                                    <div style="display: flex; align-items: center; gap: 0.5rem;">
                                        <div style="flex: 1; height: 8px; background: var(--bg-tertiary); border-radius: 4px; overflow: hidden; max-width: 100px;">
                                            <div style="height: 100%; background: ${getUtilizationColor(net.utilization_percent)}; width: ${net.utilization_percent || 0}%;"></div>
                                        </div>
                                        <span style="font-size: 0.875rem; color: var(--text-secondary);">${net.used_ips || 0}/${net.total_ips || 0}</span>
                                    </div>
                                </td>
                                <td style="padding: 0.75rem; text-align: right;">
                                    <a href="/ipam/network/${net.id}" class="btn btn-sm" style="background: var(--bg-tertiary); color: var(--text-primary);"><i class="fa-solid fa-eye"></i> ${t('open')}</a>
                                    <button onclick="deleteNetwork(${net.id}, '${net.name}')" class="btn btn-sm btn-danger" style="margin-left: 0.25rem;"><i class="fa-solid fa-trash"></i></button>
                                </td>
                            </tr>
                        `).join('')}
                    </tbody>
                </table>
            `;
        } else {
            container.innerHTML = `<div style="text-align: center; padding: 2rem; color: var(--danger);"><i class="fa-solid fa-circle-xmark"></i> ${t('error_loading_networks')}</div>`;
        }
    } catch (error) {
        console.error('Error loading networks:', error);
        document.getElementById('networksContainer').innerHTML = `<div style="text-align: center; padding: 2rem; color: var(--danger);"><i class="fa-solid fa-circle-xmark"></i> ${t('error_loading')}</div>`;
    }
}

function getUtilizationColor(percent) {
    if (percent >= 90) return 'var(--danger)';
    if (percent >= 70) return 'var(--warning)';
    if (percent >= 50) return 'var(--warning)';
    return 'var(--success)';
}

function showAddNetworkModal() {
    document.getElementById('addNetworkModal').style.display = 'flex';
}

function closeAddNetworkModal() {
    document.getElementById('addNetworkModal').style.display = 'none';
    document.getElementById('addNetworkForm').reset();
}

async function createNetwork(event) {
    event.preventDefault();
    
    const data = {
        name: document.getElementById('networkName').value,
        network: document.getElementById('networkCIDR').value,
        gateway: document.getElementById('networkGateway').value || null,
        vlan_id: document.getElementById('networkVLAN').value ? parseInt(document.getElementById('networkVLAN').value) : null,
        proxmox_bridge: document.getElementById('networkBridge').value || null,
        description: document.getElementById('networkDescription').value || null
    };
    
    try {
        const response = await fetchWithAuth('/ipam/api/networks', {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(data)
        });
        
        if (response.ok) {
            closeAddNetworkModal();
            loadNetworks();
            showToast('success', t('success'), t('network_created_successfully') || 'Network created successfully');
        } else {
            const error = await response.json();
            showToast('error', t('error'), error.detail || t('error_creating_network'));
        }
    } catch (error) {
        console.error('Error creating network:', error);
        showToast('error', t('error'), t('error_creating_network'));
    }
}

async function deleteNetwork(id, name) {
    const confirmed = await showDeleteConfirm(
        t('delete_network'),
        `${t('delete_network_confirm')} "${name}"? ${t('all_related_data_lost')}`
    );
    
    if (!confirmed) return;
    
    try {
        const response = await fetchWithAuth(`/ipam/api/networks/${id}?force=true`, {
            method: 'DELETE'
        });
        
        if (response.ok) {
            loadNetworks();
            showToast('success', t('success'), t('network_deleted_successfully') || 'Network deleted successfully');
        } else {
            const error = await response.json();
            showToast('error', t('error'), error.detail || t('error_deleting_network'));
        }
    } catch (error) {
        console.error('Error deleting network:', error);
        showToast('error', t('error'), t('error_deleting_network'));
    }
}

// Initial load after DOM ready
window.addEventListener('DOMContentLoaded', () => {
    setTimeout(loadNetworks, 100);
});
</script>
{% endblock %}