{% extends "base.html" %}

{% block title %}Scan #{{ scan_id }} - SneakyScanner{% endblock %}

{% block content %}
<div class="row mt-4">
    <div class="col-12">
        <div class="d-flex justify-content-between align-items-center mb-4">
            <div>
                <a href="{{ url_for('main.scans') }}" class="text-muted text-decoration-none mb-2 d-inline-block">
                    ← Back to All Scans
                </a>
                <h1 style="color: #60a5fa;">Scan #<span id="scan-id">{{ scan_id }}</span></h1>
            </div>
            <div>
                <button class="btn btn-primary" onclick="compareWithPrevious()" id="compare-btn" style="display: none;">
                    <i class="bi bi-arrow-left-right"></i> Compare with Previous
                </button>
                <button class="btn btn-secondary ms-2" onclick="refreshScan()">
                    <span id="refresh-text">Refresh</span>
                    <span id="refresh-spinner" class="spinner-border spinner-border-sm ms-1" style="display: none;"></span>
                </button>
                <button class="btn btn-danger ms-2" onclick="deleteScan()" id="delete-btn">Delete Scan</button>
            </div>
        </div>
    </div>
</div>

<!-- Loading State -->
<div id="scan-loading" class="text-center py-5">
    <div class="spinner-border" role="status">
        <span class="visually-hidden">Loading...</span>
    </div>
    <p class="mt-3 text-muted">Loading scan details...</p>
</div>

<!-- Error State -->
<div id="scan-error" class="alert alert-danger" style="display: none;"></div>

<!-- Scan Content -->
<div id="scan-content" style="display: none;">
    <!-- Summary Card -->
    <div class="row mb-4">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h5 class="mb-0" style="color: #60a5fa;">Scan Summary</h5>
                </div>
                <div class="card-body">
                    <div class="row">
                        <div class="col-md-3">
                            <div class="mb-3">
                                <label class="form-label text-muted">Title</label>
                                <div id="scan-title" class="fw-bold">-</div>
                            </div>
                        </div>
                        <div class="col-md-3">
                            <div class="mb-3">
                                <label class="form-label text-muted">Timestamp</label>
                                <div id="scan-timestamp" class="mono">-</div>
                            </div>
                        </div>
                        <div class="col-md-2">
                            <div class="mb-3">
                                <label class="form-label text-muted">Duration</label>
                                <div id="scan-duration" class="mono">-</div>
                            </div>
                        </div>
                        <div class="col-md-2">
                            <div class="mb-3">
                                <label class="form-label text-muted">Status</label>
                                <div id="scan-status">-</div>
                            </div>
                        </div>
                        <div class="col-md-2">
                            <div class="mb-3">
                                <label class="form-label text-muted">Triggered By</label>
                                <div id="scan-triggered-by">-</div>
                            </div>
                        </div>
                    </div>
                    <div class="row">
                        <div class="col-md-12">
                            <div class="mb-0">
                                <label class="form-label text-muted">Config File</label>
                                <div id="scan-config-file" class="mono">-</div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Stats Row -->
    <div class="row mb-4">
        <div class="col-md-3">
            <div class="stat-card">
                <div class="stat-value" id="total-sites">0</div>
                <div class="stat-label">Sites</div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="stat-card">
                <div class="stat-value" id="total-ips">0</div>
                <div class="stat-label">IP Addresses</div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="stat-card">
                <div class="stat-value" id="total-ports">0</div>
                <div class="stat-label">Open Ports</div>
            </div>
        </div>
        <div class="col-md-3">
            <div class="stat-card">
                <div class="stat-value" id="total-services">0</div>
                <div class="stat-label">Services</div>
            </div>
        </div>
    </div>

    <!-- Historical Trend Chart -->
    <div class="row mb-4" id="historical-chart-row" style="display: none;">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h5 class="mb-0" style="color: #60a5fa;">
                        <i class="bi bi-graph-up"></i> Port Count History
                    </h5>
                </div>
                <div class="card-body">
                    <p class="text-muted mb-3">
                        Historical port count trend for scans using the same configuration
                    </p>
                    <div style="position: relative; height: 300px;">
                        <canvas id="historyChart"></canvas>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Sites and IPs -->
    <div id="sites-container">
        <!-- Sites will be dynamically inserted here -->
    </div>

    <!-- Output Files -->
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h5 class="mb-0" style="color: #60a5fa;">Output Files</h5>
                </div>
                <div class="card-body">
                    <div id="output-files" class="d-flex gap-2">
                        <!-- File links will be dynamically inserted here -->
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
    const scanId = {{ scan_id }};
    let scanData = null;
    let historyChart = null; // Store chart instance to prevent duplicates

    // Load scan on page load
    document.addEventListener('DOMContentLoaded', function() {
        loadScan().then(() => {
            findPreviousScan();
            loadHistoricalChart();
        });

        // Auto-refresh every 10 seconds if scan is running
        setInterval(function() {
            if (scanData && scanData.status === 'running') {
                loadScan();
            }
        }, 10000);
    });

    // Load scan details
    async function loadScan() {
        const loadingEl = document.getElementById('scan-loading');
        const errorEl = document.getElementById('scan-error');
        const contentEl = document.getElementById('scan-content');

        // Show loading state
        loadingEl.style.display = 'block';
        errorEl.style.display = 'none';
        contentEl.style.display = 'none';

        try {
            const response = await fetch(`/api/scans/${scanId}`);
            if (!response.ok) {
                if (response.status === 404) {
                    throw new Error('Scan not found');
                }
                throw new Error('Failed to load scan');
            }

            scanData = await response.json();

            loadingEl.style.display = 'none';
            contentEl.style.display = 'block';

            renderScan(scanData);
        } catch (error) {
            console.error('Error loading scan:', error);
            loadingEl.style.display = 'none';
            errorEl.textContent = error.message;
            errorEl.style.display = 'block';
        }
    }

    // Render scan details
    function renderScan(scan) {
        // Summary
        document.getElementById('scan-title').textContent = scan.title || 'Untitled Scan';
        document.getElementById('scan-timestamp').textContent = new Date(scan.timestamp).toLocaleString();
        document.getElementById('scan-duration').textContent = scan.duration ? `${scan.duration.toFixed(1)}s` : '-';
        document.getElementById('scan-triggered-by').textContent = scan.triggered_by || 'manual';
        document.getElementById('scan-config-file').textContent = scan.config_file || '-';

        // Status badge
        let statusBadge = '';
        if (scan.status === 'completed') {
            statusBadge = '<span class="badge badge-success">Completed</span>';
        } else if (scan.status === 'running') {
            statusBadge = '<span class="badge badge-info">Running</span>';
            document.getElementById('delete-btn').disabled = true;
        } else if (scan.status === 'failed') {
            statusBadge = '<span class="badge badge-danger">Failed</span>';
        } else {
            statusBadge = `<span class="badge badge-info">${scan.status}</span>`;
        }
        document.getElementById('scan-status').innerHTML = statusBadge;

        // Stats
        const sites = scan.sites || [];
        let totalIps = 0;
        let totalPorts = 0;
        let totalServices = 0;

        sites.forEach(site => {
            const ips = site.ips || [];
            totalIps += ips.length;

            ips.forEach(ip => {
                const ports = ip.ports || [];
                totalPorts += ports.length;

                ports.forEach(port => {
                    totalServices += (port.services || []).length;
                });
            });
        });

        document.getElementById('total-sites').textContent = sites.length;
        document.getElementById('total-ips').textContent = totalIps;
        document.getElementById('total-ports').textContent = totalPorts;
        document.getElementById('total-services').textContent = totalServices;

        // Sites
        renderSites(sites);

        // Output files
        renderOutputFiles(scan);
    }

    // Render sites
    function renderSites(sites) {
        const container = document.getElementById('sites-container');
        container.innerHTML = '';

        sites.forEach((site, siteIdx) => {
            const siteCard = document.createElement('div');
            siteCard.className = 'row mb-4';
            siteCard.innerHTML = `
                <div class="col-12">
                    <div class="card">
                        <div class="card-header">
                            <h5 class="mb-0" style="color: #60a5fa;">${site.name}</h5>
                        </div>
                        <div class="card-body">
                            <div id="site-${siteIdx}-ips"></div>
                        </div>
                    </div>
                </div>
            `;
            container.appendChild(siteCard);

            // Render IPs for this site
            const ipsContainer = document.getElementById(`site-${siteIdx}-ips`);
            const ips = site.ips || [];

            ips.forEach((ip, ipIdx) => {
                const ipDiv = document.createElement('div');
                ipDiv.className = 'mb-3';
                ipDiv.innerHTML = `
                    <div class="d-flex justify-content-between align-items-center mb-2">
                        <h6 class="mono mb-0">${ip.address}</h6>
                        <div>
                            ${ip.ping_actual ? '<span class="badge badge-success">Ping: Responsive</span>' : '<span class="badge badge-danger">Ping: No Response</span>'}
                        </div>
                    </div>
                    <div class="table-responsive">
                        <table class="table table-sm">
                            <thead>
                                <tr>
                                    <th>Port</th>
                                    <th>Protocol</th>
                                    <th>State</th>
                                    <th>Service</th>
                                    <th>Product</th>
                                    <th>Version</th>
                                    <th>Status</th>
                                </tr>
                            </thead>
                            <tbody id="site-${siteIdx}-ip-${ipIdx}-ports"></tbody>
                        </table>
                    </div>
                `;
                ipsContainer.appendChild(ipDiv);

                // Render ports for this IP
                const portsContainer = document.getElementById(`site-${siteIdx}-ip-${ipIdx}-ports`);
                const ports = ip.ports || [];

                if (ports.length === 0) {
                    portsContainer.innerHTML = '<tr class="scan-row"><td colspan="7" class="text-center text-muted">No ports found</td></tr>';
                } else {
                    ports.forEach(port => {
                        const service = port.services && port.services.length > 0 ? port.services[0] : null;

                        const row = document.createElement('tr');
                        row.classList.add('scan-row');  // Fix white row bug
                        row.innerHTML = `
                            <td class="mono">${port.port}</td>
                            <td>${port.protocol.toUpperCase()}</td>
                            <td><span class="badge badge-success">${port.state || 'open'}</span></td>
                            <td>${service ? service.service_name : '-'}</td>
                            <td>${service ? service.product || '-' : '-'}</td>
                            <td class="mono">${service ? service.version || '-' : '-'}</td>
                            <td>${port.expected ? '<span class="badge badge-good">Expected</span>' : '<span class="badge badge-warning">Unexpected</span>'}</td>
                        `;
                        portsContainer.appendChild(row);
                    });
                }
            });
        });
    }

    // Render output files
    function renderOutputFiles(scan) {
        const container = document.getElementById('output-files');
        container.innerHTML = '';

        const files = [];
        if (scan.json_path) {
            files.push({ label: 'JSON', path: scan.json_path, icon: '📄' });
        }
        if (scan.html_path) {
            files.push({ label: 'HTML Report', path: scan.html_path, icon: '🌐' });
        }
        if (scan.zip_path) {
            files.push({ label: 'ZIP Archive', path: scan.zip_path, icon: '📦' });
        }

        if (files.length === 0) {
            container.innerHTML = '<p class="text-muted mb-0">No output files generated yet.</p>';
        } else {
            files.forEach(file => {
                const link = document.createElement('a');
                link.href = `/output/${file.path.split('/').pop()}`;
                link.className = 'btn btn-secondary';
                link.target = '_blank';
                link.innerHTML = `${file.icon} ${file.label}`;
                container.appendChild(link);
            });
        }
    }

    // Refresh scan
    function refreshScan() {
        const refreshBtn = document.getElementById('refresh-text');
        const refreshSpinner = document.getElementById('refresh-spinner');

        refreshBtn.style.display = 'none';
        refreshSpinner.style.display = 'inline-block';

        loadScan().finally(() => {
            refreshBtn.style.display = 'inline';
            refreshSpinner.style.display = 'none';
        });
    }

    // Delete scan
    async function deleteScan() {
        if (!confirm(`Are you sure you want to delete scan ${scanId}?`)) {
            return;
        }

        // Disable delete button to prevent double-clicks
        const deleteBtn = document.getElementById('delete-btn');
        deleteBtn.disabled = true;
        deleteBtn.textContent = 'Deleting...';

        try {
            const response = await fetch(`/api/scans/${scanId}`, {
                method: 'DELETE',
                headers: {
                    'Content-Type': 'application/json'
                }
            });

            // Check status code first
            if (!response.ok) {
                // Try to get error message from response
                let errorMessage = `HTTP ${response.status}: Failed to delete scan`;
                try {
                    const data = await response.json();
                    errorMessage = data.message || errorMessage;
                } catch (e) {
                    // Ignore JSON parse errors for error responses
                }
                throw new Error(errorMessage);
            }

            // For successful responses, try to parse JSON but don't fail if it doesn't work
            try {
                await response.json();
            } catch (e) {
                console.warn('Response is not valid JSON, but deletion succeeded');
            }

            // Wait 2 seconds to ensure deletion completes fully
            await new Promise(resolve => setTimeout(resolve, 2000));

            // Redirect to scans list
            window.location.href = '{{ url_for("main.scans") }}';
        } catch (error) {
            console.error('Error deleting scan:', error);
            alert(`Failed to delete scan: ${error.message}`);

            // Re-enable button on error
            deleteBtn.disabled = false;
            deleteBtn.textContent = 'Delete Scan';
        }
    }

    // Find previous scan and show compare button
    let previousScanId = null;
    let currentConfigFile = null;
    async function findPreviousScan() {
        try {
            // Get current scan details first to know which config it used
            const currentScanResponse = await fetch(`/api/scans/${scanId}`);
            const currentScanData = await currentScanResponse.json();
            currentConfigFile = currentScanData.config_file;

            // Get list of completed scans
            const response = await fetch('/api/scans?per_page=100&status=completed');
            const data = await response.json();

            if (data.scans && data.scans.length > 0) {
                // Find the current scan
                const currentScanIndex = data.scans.findIndex(s => s.id === scanId);

                if (currentScanIndex !== -1) {
                    // Look for the most recent previous scan with the SAME config file
                    for (let i = currentScanIndex + 1; i < data.scans.length; i++) {
                        const previousScan = data.scans[i];

                        // Check if this scan uses the same config
                        if (previousScan.config_file === currentConfigFile) {
                            previousScanId = previousScan.id;

                            // Show the compare button
                            const compareBtn = document.getElementById('compare-btn');
                            if (compareBtn) {
                                compareBtn.style.display = 'inline-block';
                                compareBtn.title = `Compare with Scan #${previousScanId} (same config)`;
                            }
                            break; // Found the most recent matching scan
                        }
                    }

                    // If no matching config found, don't show compare button
                    if (!previousScanId) {
                        console.log('No previous scans found with the same configuration');
                    }
                }
            }
        } catch (error) {
            console.error('Error finding previous scan:', error);
        }
    }

    // Compare with previous scan
    function compareWithPrevious() {
        if (previousScanId) {
            window.location.href = `/scans/${previousScanId}/compare/${scanId}`;
        }
    }

    // Load historical trend chart
    async function loadHistoricalChart() {
        try {
            const response = await fetch(`/api/stats/scan-history/${scanId}?limit=20`);
            const data = await response.json();

            // Only show chart if there are multiple scans
            if (data.scans && data.scans.length > 1) {
                document.getElementById('historical-chart-row').style.display = 'block';

                // Destroy existing chart to prevent canvas growth bug
                if (historyChart) {
                    historyChart.destroy();
                }

                const ctx = document.getElementById('historyChart').getContext('2d');
                historyChart = new Chart(ctx, {
                    type: 'line',
                    data: {
                        labels: data.labels,
                        datasets: [{
                            label: 'Open Ports',
                            data: data.port_counts,
                            borderColor: '#60a5fa',
                            backgroundColor: 'rgba(96, 165, 250, 0.1)',
                            tension: 0.3,
                            fill: true,
                            pointBackgroundColor: '#60a5fa',
                            pointBorderColor: '#1e293b',
                            pointBorderWidth: 2,
                            pointRadius: 4,
                            pointHoverRadius: 6
                        }]
                    },
                    options: {
                        responsive: true,
                        maintainAspectRatio: false,
                        plugins: {
                            legend: {
                                display: false
                            },
                            tooltip: {
                                backgroundColor: '#1e293b',
                                titleColor: '#e2e8f0',
                                bodyColor: '#e2e8f0',
                                borderColor: '#334155',
                                borderWidth: 1,
                                callbacks: {
                                    afterLabel: function(context) {
                                        const scan = data.scans[context.dataIndex];
                                        return `Scan ID: ${scan.id}\nIPs: ${scan.ip_count}`;
                                    }
                                }
                            }
                        },
                        scales: {
                            y: {
                                beginAtZero: true,
                                ticks: {
                                    stepSize: 1,
                                    color: '#94a3b8'
                                },
                                grid: {
                                    color: '#334155'
                                }
                            },
                            x: {
                                ticks: {
                                    color: '#94a3b8',
                                    maxRotation: 45,
                                    minRotation: 45
                                },
                                grid: {
                                    color: '#334155'
                                }
                            }
                        },
                        onClick: (event, elements) => {
                            if (elements.length > 0) {
                                const index = elements[0].index;
                                const scan = data.scans[index];
                                window.location.href = `/scans/${scan.id}`;
                            }
                        }
                    }
                });
            }
        } catch (error) {
            console.error('Error loading historical chart:', error);
        }
    }
</script>
{% endblock %}