{% extends "baseTemplate/index.html" %}
{% load i18n %}
{% block title %}{% trans "Firewall - CyberPanel" %}{% endblock %}

{% block header_scripts %}
<style>
    .modern-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 2rem;
    }
    
    .page-header {
        text-align: center;
        margin-bottom: 3rem;
        padding: 3rem 0;
        background: linear-gradient(135deg, var(--firewall-gradient-start, #ef4444) 0%, var(--firewall-gradient-end, #dc2626) 100%);
        border-radius: 20px;
        animation: fadeInDown 0.5s ease-out;
        position: relative;
        overflow: hidden;
        color: var(--text-light, white);
    }

    .page-header::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
        animation: rotate 30s linear infinite;
    }

    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .header-content {
        position: relative;
        z-index: 1;
    }

    .page-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
    }

    .firewall-icon {
        width: 60px;
        height: 60px;
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    }

    .page-subtitle {
        font-size: 1.125rem;
        color: var(--text-light-secondary, rgba(255, 255, 255, 0.9));
        max-width: 700px;
        margin: 0 auto;
        line-height: 1.6;
    }

    /* Status Panel */
    .status-panel {
        background: var(--bg-secondary, white);
        border-radius: 16px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 10px 40px rgba(0,0,0,0.08);
        border: 1px solid var(--border-color, #e8e9ff);
        overflow: hidden;
        margin-bottom: 2rem;
        animation: fadeInUp 0.5s ease-out;
    }

    .status-header {
        background: var(--bg-tertiary, #f8f9ff);
        padding: 1.5rem 2rem;
        border-bottom: 1px solid var(--border-color, #e8e9ff);
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .status-title {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--text-primary, #1e293b);
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .status-badge {
        padding: 0.5rem 1rem;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.875rem;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
    }

    .status-active {
        background: var(--badge-success-bg, #d1fae5);
        color: var(--badge-success-text, #065f46);
    }

    .status-inactive {
        background: var(--badge-error-bg, #fee2e2);
        color: var(--badge-error-text, #991b1b);
    }

    .status-content {
        padding: 2rem;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .control-btn {
        padding: 0.75rem 1.5rem;
        border-radius: 10px;
        font-weight: 500;
        font-size: 0.875rem;
        cursor: pointer;
        transition: all 0.3s ease;
        border: none;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        min-width: 120px;
        justify-content: center;
    }

    .btn-start {
        background: var(--btn-success, #10b981);
        color: var(--text-light, white);
    }

    .btn-start:hover {
        background: var(--btn-success-hover, #059669);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px var(--btn-success-shadow, rgba(16, 185, 129, 0.3));
    }

    .btn-stop {
        background: var(--btn-warning, #f59e0b);
        color: var(--text-light, white);
    }

    .btn-stop:hover {
        background: var(--btn-warning-hover, #d97706);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px var(--btn-warning-shadow, rgba(245, 158, 11, 0.3));
    }

    .btn-reload {
        background: var(--btn-primary, #3b82f6);
        color: var(--text-light, white);
    }

    .btn-reload:hover {
        background: var(--btn-primary-hover, #2563eb);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px var(--btn-primary-shadow, rgba(59, 130, 246, 0.3));
    }

    /* Rules Panel */
    .rules-panel {
        background: var(--bg-secondary, white);
        border-radius: 16px;
        box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 10px 40px rgba(0,0,0,0.08);
        border: 1px solid var(--border-color, #e8e9ff);
        overflow: hidden;
        animation: fadeInUp 0.5s ease-out 0.2s;
        animation-fill-mode: both;
    }

    .panel-header {
        background: linear-gradient(135deg, var(--firewall-gradient-start, #ef4444) 0%, var(--firewall-gradient-end, #dc2626) 100%);
        color: var(--text-light, white);
        padding: 1.5rem 2rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .panel-title {
        font-size: 1.25rem;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .panel-icon {
        width: 32px;
        height: 32px;
        background: rgba(255,255,255,0.2);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .add-rule-section {
        background: var(--bg-tertiary, #f8f9ff);
        padding: 2rem;
        border-bottom: 1px solid var(--border-color, #e8e9ff);
    }

    .rule-form {
        display: grid;
        grid-template-columns: 2fr 1fr 2fr 1fr auto;
        gap: 1rem;
        align-items: end;
    }

    .form-group {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-label {
        font-weight: 500;
        color: var(--text-secondary, #475569);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .form-control {
        padding: 0.75rem 1rem;
        border: 1px solid var(--border-color, #e8e9ff);
        border-radius: 8px;
        font-size: 0.875rem;
        transition: all 0.3s ease;
        background: var(--bg-primary, #fff);
        color: var(--text-primary, #1e293b);
    }

    .form-control:focus {
        outline: none;
        border-color: var(--firewall-accent, #ef4444);
        box-shadow: 0 0 0 3px var(--firewall-focus-shadow, rgba(239, 68, 68, 0.1));
    }

    .select-control {
        appearance: none;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        background-position: right 0.5rem center;
        background-repeat: no-repeat;
        background-size: 1.5em 1.5em;
        padding-right: 2.5rem;
    }

    .btn-add {
        background: var(--firewall-accent, #ef4444);
        color: var(--text-light, white);
        padding: 0.75rem 1.5rem;
        border-radius: 8px;
        font-weight: 500;
        font-size: 0.875rem;
        cursor: pointer;
        transition: all 0.3s ease;
        border: none;
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        align-self: flex-end;
    }

    .btn-add:hover {
        background: var(--firewall-accent-dark, #dc2626);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px var(--firewall-shadow, rgba(239, 68, 68, 0.3));
    }

    /* Rules Table */
    .rules-table-section {
        padding: 2rem;
    }

    .rules-table {
        width: 100%;
        background: var(--bg-secondary, white);
        border-radius: 8px;
        overflow: hidden;
        border: 1px solid var(--border-color, #e8e9ff);
    }

    .rules-table thead {
        background: var(--bg-tertiary, #f8f9ff);
    }

    .rules-table th {
        padding: 1rem;
        text-align: left;
        font-weight: 600;
        color: var(--text-secondary, #475569);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        border-bottom: 1px solid var(--border-color, #e8e9ff);
    }

    .rules-table td {
        padding: 1rem;
        border-bottom: 1px solid var(--border-light, #f1f5f9);
        color: var(--text-primary, #334155);
        font-size: 0.875rem;
    }

    .rules-table tbody tr {
        transition: all 0.2s ease;
    }

    .rules-table tbody tr:hover {
        background: var(--bg-hover, #f8f9ff);
    }

    .rule-id {
        font-weight: 600;
        color: var(--text-muted, #64748b);
    }

    .rule-name {
        font-weight: 600;
        color: var(--text-primary, #1e293b);
    }

    .protocol-badge {
        display: inline-block;
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        font-size: 0.75rem;
        font-weight: 500;
        text-transform: uppercase;
    }

    .protocol-tcp {
        background: var(--badge-blue-bg, #dbeafe);
        color: var(--badge-blue-text, #1e40af);
    }

    .protocol-udp {
        background: var(--badge-yellow-bg, #fef3c7);
        color: var(--badge-yellow-text, #92400e);
    }

    .ip-address {
        font-family: 'Monaco', 'Consolas', monospace;
        font-size: 0.875rem;
        background: var(--bg-code, #f3f4f6);
        padding: 0.25rem 0.5rem;
        border-radius: 4px;
        color: var(--text-primary, #334155);
    }

    .port-number {
        font-family: 'Monaco', 'Consolas', monospace;
        font-weight: 600;
        color: var(--firewall-accent, #ef4444);
    }

    .btn-delete {
        background: var(--bg-error-light, #fee2e2);
        color: var(--firewall-accent, #ef4444);
        width: 32px;
        height: 32px;
        border-radius: 6px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s ease;
        font-weight: 700;
        border: none;
    }

    .btn-delete:hover {
        background: var(--firewall-accent, #ef4444);
        color: var(--text-light, white);
        transform: scale(1.1);
    }

    .empty-state {
        text-align: center;
        padding: 4rem 2rem;
        color: var(--text-muted, #64748b);
    }

    .empty-icon {
        font-size: 4rem;
        color: var(--text-disabled, #94a3b8);
        margin-bottom: 1rem;
    }

    .empty-title {
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
        color: var(--text-secondary, #475569);
    }

    .empty-text {
        font-size: 0.875rem;
        color: var(--text-muted, #64748b);
    }

    .alert {
        padding: 1rem 1.5rem;
        border-radius: 8px;
        margin-top: 1rem;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        animation: fadeInUp 0.3s ease-out;
    }

    .alert-success {
        background: var(--alert-success-bg, #d1fae5);
        color: var(--alert-success-text, #065f46);
        border: 1px solid var(--alert-success-border, #a7f3d0);
    }

    .alert-danger {
        background: var(--alert-error-bg, #fee2e2);
        color: var(--alert-error-text, #991b1b);
        border: 1px solid var(--alert-error-border, #fecaca);
    }

    .alert-icon {
        font-size: 1.25rem;
    }

    .loading-spinner {
        width: 20px;
        height: 20px;
        border: 2px solid var(--border-light, #f3f3f3);
        border-top: 2px solid var(--firewall-accent, #ef4444);
        border-radius: 50%;
        animation: spin 1s linear infinite;
        display: inline-block;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .rule-form {
            grid-template-columns: 1fr;
            gap: 1rem;
        }

        .btn-add {
            width: 100%;
            justify-content: center;
        }
    }

    @media (max-width: 768px) {
        .modern-container {
            padding: 1rem;
        }

        .page-title {
            font-size: 2rem;
        }

        .status-content {
            flex-direction: column;
            align-items: stretch;
        }

        .control-btn {
            width: 100%;
        }

        .rules-table-section {
            padding: 1rem;
            overflow-x: auto;
        }

        .rules-table {
            min-width: 600px;
        }
    }
</style>
{% endblock %}

{% block content %}
{% load static %}
{% get_current_language as LANGUAGE_CODE %}
<!-- Current language: {{ LANGUAGE_CODE }} -->

<div class="modern-container" ng-controller="firewallController">
    <!-- Page Header -->
    <div class="page-header">
        <div class="header-content">
            <div class="page-title">
                <div class="firewall-icon">
                    <i class="fas fa-shield-alt fa-2x"></i>
                </div>
                {% trans "Firewall Management" %}
            </div>
            <p class="page-subtitle">
                {% trans "Manage your server's firewall rules to control network traffic. By default, all ports are blocked except those explicitly allowed." %}
            </p>
        </div>
    </div>

    <!-- Status Panel -->
    <div class="status-panel">
        <div class="status-header">
            <h3 class="status-title">
                <i class="fas fa-info-circle"></i>
                {% trans "Firewall Status" %}
            </h3>
            <div class="status-badge" ng-class="{'status-active': status == 'Active', 'status-inactive': status != 'Active'}">
                <i class="fas fa-circle" style="font-size: 0.5rem;"></i>
                {$ status $}
            </div>
        </div>
        <div class="status-content">
            <button type="button" ng-click="startFirewall()" class="control-btn btn-start">
                <i class="fas fa-play"></i>
                {% trans "Start" %}
            </button>
            <button type="button" ng-click="stopFirewall()" class="control-btn btn-stop">
                <i class="fas fa-pause"></i>
                {% trans "Stop" %}
            </button>
            <button type="button" ng-click="reloadFireWall()" class="control-btn btn-reload">
                <i class="fas fa-sync-alt"></i>
                {% trans "Reload" %}
            </button>
        </div>

        <!-- Status Messages -->
        <div style="padding: 0 2rem 1rem;">
            <div ng-hide="actionFailed" class="alert alert-danger">
                <i class="fas fa-exclamation-circle alert-icon"></i>
                <span>{% trans "Action failed. Error message:" %} {$ errorMessage $}</span>
            </div>

            <div ng-hide="actionSuccess" class="alert alert-success">
                <i class="fas fa-check-circle alert-icon"></i>
                <span>{% trans "Action completed successfully." %}</span>
            </div>
        </div>
    </div>

    <!-- Rules Panel -->
    <div class="rules-panel">
        <div class="panel-header">
            <div class="panel-title">
                <div class="panel-icon">
                    <i class="fas fa-list-alt"></i>
                </div>
                {% trans "Firewall Rules" %}
            </div>
            <div ng-show="rulesLoading" class="loading-spinner"></div>
        </div>
        
        <!-- Add Rule Section -->
        <div ng-hide="rulesDetails" class="add-rule-section">
            <form class="rule-form">
                <div class="form-group">
                    <label class="form-label">{% trans "Rule Name" %}</label>
                    <input type="text" 
                           class="form-control" 
                           ng-model="ruleName"
                           placeholder="{% trans 'e.g., Allow SSH' %}"
                           required>
                </div>
                
                <div class="form-group">
                    <label class="form-label">{% trans "Protocol" %}</label>
                    <select ng-model="ruleProtocol" class="form-control select-control">
                        <option value="tcp">TCP</option>
                        <option value="udp">UDP</option>
                    </select>
                </div>
                
                <div class="form-group">
                    <label class="form-label">{% trans "IP Address" %}</label>
                    <input type="text" 
                           class="form-control"
                           ng-model="ruleIP" 
                           placeholder="{% trans '0.0.0.0/0 for all IPs' %}"
                           required>
                </div>
                
                <div class="form-group">
                    <label class="form-label">{% trans "Port" %}</label>
                    <input type="text" 
                           class="form-control" 
                           ng-model="rulePort" 
                           placeholder="{% trans 'e.g., 80' %}"
                           required>
                </div>
                
                <button type="button" 
                        ng-click="addRule()"
                        class="btn-add">
                    <i class="fas fa-plus"></i>
                    {% trans "Add Rule" %}
                </button>
            </form>
        </div>
        
        <!-- Rules Table -->
        <div ng-hide="rulesDetails" class="rules-table-section">
            <table class="rules-table" ng-if="rules.length > 0">
                <thead>
                    <tr>
                        <th>{% trans "ID" %}</th>
                        <th>{% trans "Rule Name" %}</th>
                        <th>{% trans "Protocol" %}</th>
                        <th>{% trans "IP Address" %}</th>
                        <th>{% trans "Port" %}</th>
                        <th>{% trans "Action" %}</th>
                    </tr>
                </thead>
                <tbody>
                    <tr ng-repeat="rule in rules track by $index">
                        <td class="rule-id">#{$ rule.id $}</td>
                        <td class="rule-name">{$ rule.name $}</td>
                        <td>
                            <span class="protocol-badge" 
                                  ng-class="{'protocol-tcp': rule.proto == 'tcp', 'protocol-udp': rule.proto == 'udp'}">
                                {$ rule.proto $}
                            </span>
                        </td>
                        <td>
                            <span class="ip-address">{$ rule.ipAddress $}</span>
                        </td>
                        <td>
                            <span class="port-number">{$ rule.port $}</span>
                        </td>
                        <td>
                            <button type="button"
                                    ng-click="deleteRule(rule.id, rule.proto, rule.port, rule.ipAddress)"
                                    class="btn-delete"
                                    title="{% trans 'Delete Rule' %}">
                                <i class="fas fa-times"></i>
                            </button>
                        </td>
                    </tr>
                </tbody>
            </table>
            
            <!-- Empty State -->
            <div ng-if="rules.length == 0" class="empty-state">
                <i class="fas fa-shield-alt empty-icon"></i>
                <h3 class="empty-title">{% trans "No Firewall Rules" %}</h3>
                <p class="empty-text">{% trans "Add your first firewall rule to control network access to your server." %}</p>
            </div>
        </div>
        
        <!-- Messages -->
        <div style="padding: 0 2rem 2rem;">
            <div ng-hide="canNotAddRule" class="alert alert-danger">
                <i class="fas fa-exclamation-circle alert-icon"></i>
                <span>{% trans "Error message:" %} {$ errorMessage $}</span>
            </div>
            
            <div ng-hide="ruleAdded" class="alert alert-success">
                <i class="fas fa-check-circle alert-icon"></i>
                <span>{% trans "Rule successfully added." %}</span>
            </div>
            
            <div ng-hide="couldNotConnect" class="alert alert-danger">
                <i class="fas fa-exclamation-circle alert-icon"></i>
                <span>{% trans "Could not connect to server. Please refresh this page." %}</span>
            </div>
        </div>
    </div>
</div>

{% endblock %}