import {
  customElement,
  DeesElement,
  type TemplateResult,
  html,
  property,
  css,
  cssManager,
  state,
} from '@design.estate/dees-element';
import { DeesAppuiSecondarymenu, DeesIcon, DeesStatsGrid } from '@design.estate/dees-catalog';
import type { ISecondaryMenuGroup, ISecondaryMenuItem } from '../../elements/interfaces/secondarymenu.js';
import { demo } from './eco-view-system.demo.js';

// Ensure components are registered
DeesAppuiSecondarymenu;
DeesIcon;
DeesStatsGrid;

declare global {
  interface HTMLElementTagNameMap {
    'eco-view-system': EcoViewSystem;
  }
}

export type TSystemPanel =
  | 'overview'
  | 'cpu'
  | 'memory'
  | 'storage'
  | 'network'
  | 'processes';

@customElement('eco-view-system')
export class EcoViewSystem extends DeesElement {
  public static demo = demo;
  public static demoGroup = 'Views';

  public static styles = [
    cssManager.defaultStyles,
    css`
      :host {
        display: block;
        width: 100%;
        height: 100%;
        background: ${cssManager.bdTheme('#f5f5f7', 'hsl(240 6% 10%)')};
        color: ${cssManager.bdTheme('hsl(0 0% 10%)', 'hsl(0 0% 98%)')};
        font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      }

      .system-container {
        display: flex;
        height: 100%;
      }

      dees-appui-secondarymenu {
        flex-shrink: 0;
        background: ${cssManager.bdTheme('#ffffff', 'hsl(240 6% 8%)')};
        border-right: 1px solid ${cssManager.bdTheme('hsl(0 0% 90%)', 'hsl(240 5% 15%)')};
      }

      .content {
        flex: 1;
        overflow-y: auto;
        padding: 32px 48px;
      }

      .panel-header {
        margin-bottom: 32px;
      }

      .panel-title {
        font-size: 28px;
        font-weight: 600;
        color: ${cssManager.bdTheme('hsl(0 0% 10%)', 'hsl(0 0% 98%)')};
        margin-bottom: 8px;
      }

      .panel-description {
        font-size: 14px;
        color: ${cssManager.bdTheme('hsl(0 0% 50%)', 'hsl(0 0% 60%)')};
      }

      .stats-section {
        margin-bottom: 32px;
      }

      .section-title {
        font-size: 13px;
        font-weight: 600;
        color: ${cssManager.bdTheme('hsl(0 0% 50%)', 'hsl(0 0% 50%)')};
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 16px;
      }

      dees-statsgrid {
        --dees-statsgrid-gap: 16px;
      }

      .process-list {
        background: ${cssManager.bdTheme('#ffffff', 'hsl(240 6% 12%)')};
        border: 1px solid ${cssManager.bdTheme('hsl(0 0% 90%)', 'hsl(240 5% 18%)')};
        border-radius: 12px;
        overflow: hidden;
      }

      .process-header {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        padding: 12px 16px;
        background: ${cssManager.bdTheme('hsl(0 0% 97%)', 'hsl(240 5% 14%)')};
        border-bottom: 1px solid ${cssManager.bdTheme('hsl(0 0% 90%)', 'hsl(240 5% 18%)')};
        font-size: 12px;
        font-weight: 600;
        color: ${cssManager.bdTheme('hsl(0 0% 50%)', 'hsl(0 0% 55%)')};
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }

      .process-row {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        padding: 12px 16px;
        border-bottom: 1px solid ${cssManager.bdTheme('hsl(0 0% 94%)', 'hsl(240 5% 15%)')};
        font-size: 14px;
        color: ${cssManager.bdTheme('hsl(0 0% 20%)', 'hsl(0 0% 85%)')};
      }

      .process-row:last-child {
        border-bottom: none;
      }

      .process-name {
        font-weight: 500;
      }

      .process-value {
        color: ${cssManager.bdTheme('hsl(0 0% 40%)', 'hsl(0 0% 65%)')};
      }

      .process-value.high {
        color: hsl(0 84% 60%);
        font-weight: 500;
      }
    `,
  ];

  @property({ type: String })
  accessor activePanel: TSystemPanel = 'overview';

  // System data (can be set externally)
  @property({ type: Number })
  accessor cpuUsage = 0;

  @property({ type: Number })
  accessor memoryUsage = 0;

  @property({ type: Number })
  accessor diskUsage = 0;

  @property({ type: Number })
  accessor cpuTemp = 0;

  @property({ type: String })
  accessor uptime = '--';

  @property({ type: Number })
  accessor cpuCores = 0;

  @property({ type: Number })
  accessor cpuPhysicalCores = 0;

  @property({ type: String })
  accessor cpuModel = 'Unknown';

  @property({ type: Number })
  accessor cpuSpeed = 0;

  @property({ type: Number })
  accessor cpuSpeedMax = 0;

  @property({ type: Number })
  accessor memoryTotal = 0;

  @property({ type: Number })
  accessor memoryUsed = 0;

  @property({ type: Number })
  accessor memoryFree = 0;

  @property({ type: Number })
  accessor memoryAvailable = 0;

  @property({ type: Number })
  accessor memoryCached = 0;

  @property({ type: Number })
  accessor memoryBuffers = 0;

  @property({ type: Number })
  accessor swapTotal = 0;

  @property({ type: Number })
  accessor swapUsed = 0;

  @property({ type: Number })
  accessor diskTotal = 0;

  @property({ type: Number })
  accessor diskUsed = 0;

  @property({ type: Number })
  accessor diskFree = 0;

  @property({ type: Number })
  accessor networkRxSec = 0;

  @property({ type: Number })
  accessor networkTxSec = 0;

  @property({ type: Number })
  accessor networkRxTotal = 0;

  @property({ type: Number })
  accessor networkTxTotal = 0;

  @property({ type: String })
  accessor hostname = 'Unknown';

  @property({ type: String })
  accessor platform = 'Unknown';

  @property({ type: String })
  accessor distro = '';

  @property({ type: Array })
  accessor loadAvg: number[] = [0, 0, 0];

  @property({ type: Array })
  accessor coreLoads: number[] = [];

  @state()
  accessor networkInHistory: number[] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];

  @state()
  accessor networkOutHistory: number[] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];

  @state()
  accessor memoryUsageHistory: number[] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];

  // Process data
  @state()
  accessor processTotal = 0;

  @state()
  accessor processRunning = 0;

  @state()
  accessor processSleeping = 0;

  @state()
  accessor processBlocked = 0;

  @state()
  accessor topProcesses: Array<{ name: string; pid: number; cpu: number; memory: number; state: string }> = [];

  // Public method to update metrics from backend
  public setMetrics(metrics: {
    cpu: { usage: number; cores: number; physicalCores?: number; model: string; speed: number; speedMax?: number; loadAvg: number[]; coreLoads?: number[] };
    memory: { total: number; used: number; free: number; available?: number; usagePercent: number; swapTotal?: number; swapUsed?: number; cached?: number; buffers?: number };
    disk?: { total: number; used: number; free: number; usagePercent: number };
    network?: { rxSec: number; txSec: number; rxTotal: number; txTotal: number };
    system: { platform: string; distro?: string; hostname: string; uptimeFormatted: string };
  }): void {
    // CPU metrics
    this.cpuUsage = metrics.cpu.usage;
    this.cpuCores = metrics.cpu.cores;
    this.cpuPhysicalCores = metrics.cpu.physicalCores || metrics.cpu.cores;
    this.cpuModel = metrics.cpu.model;
    this.cpuSpeed = metrics.cpu.speed;
    this.cpuSpeedMax = metrics.cpu.speedMax || metrics.cpu.speed;
    this.loadAvg = metrics.cpu.loadAvg;
    this.coreLoads = metrics.cpu.coreLoads || [];

    // Memory metrics
    this.memoryUsage = metrics.memory.usagePercent;
    this.memoryTotal = metrics.memory.total;
    this.memoryUsed = metrics.memory.used;
    this.memoryFree = metrics.memory.free;
    this.memoryAvailable = metrics.memory.available || metrics.memory.free;
    this.memoryCached = metrics.memory.cached || 0;
    this.memoryBuffers = metrics.memory.buffers || 0;
    this.swapTotal = metrics.memory.swapTotal || 0;
    this.swapUsed = metrics.memory.swapUsed || 0;

    // Update memory usage history for trend chart
    this.memoryUsageHistory = [...this.memoryUsageHistory.slice(1), metrics.memory.usagePercent];

    // Disk metrics
    if (metrics.disk) {
      this.diskUsage = metrics.disk.usagePercent;
      this.diskTotal = metrics.disk.total;
      this.diskUsed = metrics.disk.used;
      this.diskFree = metrics.disk.free;
    }

    // Network metrics
    if (metrics.network) {
      this.networkRxSec = metrics.network.rxSec;
      this.networkTxSec = metrics.network.txSec;
      this.networkRxTotal = metrics.network.rxTotal;
      this.networkTxTotal = metrics.network.txTotal;

      // Update history for trend charts
      this.networkInHistory = [...this.networkInHistory.slice(1), metrics.network.rxSec];
      this.networkOutHistory = [...this.networkOutHistory.slice(1), metrics.network.txSec];
    }

    // System metrics
    this.hostname = metrics.system.hostname;
    this.platform = metrics.system.platform;
    this.distro = metrics.system.distro || '';
    this.uptime = metrics.system.uptimeFormatted;
  }

  // Method to set CPU temperature separately (may not always be available)
  public setTemperature(temp: { main: number; cores?: number[]; max?: number }): void {
    this.cpuTemp = temp.main || 0;
  }

  // Method to set processes data
  public setProcesses(data: { total: number; running: number; sleeping: number; blocked?: number; list: Array<{ name: string; pid: number; cpu: number; memory: number; state: string }> }): void {
    this.processTotal = data.total;
    this.processRunning = data.running;
    this.processSleeping = data.sleeping;
    this.processBlocked = data.blocked || 0;
    this.topProcesses = data.list || [];
  }

  // Helper to format bytes
  private formatBytes(bytes: number): string {
    if (bytes === 0) return '0 B';
    const k = 1024;
    const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
    const i = Math.floor(Math.log(bytes) / Math.log(k));
    return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
  }

  private getMenuGroups(): ISecondaryMenuGroup[] {
    return [
      {
        name: 'Monitor',
        iconName: 'lucide:activity',
        items: [
          {
            key: 'overview',
            iconName: 'lucide:layoutDashboard',
            action: () => this.activePanel = 'overview',
          },
        ],
      },
      {
        name: 'Hardware',
        iconName: 'lucide:cpu',
        items: [
          {
            key: 'cpu',
            iconName: 'lucide:cpu',
            action: () => this.activePanel = 'cpu',
          },
          {
            key: 'memory',
            iconName: 'lucide:memoryStick',
            action: () => this.activePanel = 'memory',
          },
          {
            key: 'storage',
            iconName: 'lucide:hardDrive',
            action: () => this.activePanel = 'storage',
          },
        ],
      },
      {
        name: 'Network',
        iconName: 'lucide:network',
        items: [
          {
            key: 'network',
            iconName: 'lucide:wifi',
            action: () => this.activePanel = 'network',
          },
        ],
      },
      {
        name: 'Software',
        iconName: 'lucide:layers',
        items: [
          {
            key: 'processes',
            iconName: 'lucide:listTree',
            action: () => this.activePanel = 'processes',
          },
        ],
      },
    ];
  }

  private getSelectedItem(): ISecondaryMenuItem | null {
    for (const group of this.getMenuGroups()) {
      for (const item of group.items) {
        if ('key' in item && item.key === this.activePanel) {
          return item;
        }
      }
    }
    return null;
  }

  public render(): TemplateResult {
    return html`
      <div class="system-container">
        <dees-appui-secondarymenu
          .heading=${'System'}
          .groups=${this.getMenuGroups()}
          .selectedItem=${this.getSelectedItem()}
        ></dees-appui-secondarymenu>
        <div class="content">
          ${this.renderActivePanel()}
        </div>
      </div>
    `;
  }

  private renderActivePanel(): TemplateResult {
    switch (this.activePanel) {
      case 'overview':
        return this.renderOverviewPanel();
      case 'cpu':
        return this.renderCpuPanel();
      case 'memory':
        return this.renderMemoryPanel();
      case 'storage':
        return this.renderStoragePanel();
      case 'network':
        return this.renderNetworkPanel();
      case 'processes':
        return this.renderProcessesPanel();
      default:
        return this.renderOverviewPanel();
    }
  }

  // Helper to format bytes per second as speed
  private formatSpeed(bytesPerSec: number): string {
    if (bytesPerSec === 0) return '0 B/s';
    const k = 1024;
    const sizes = ['B/s', 'KB/s', 'MB/s', 'GB/s'];
    const i = Math.floor(Math.log(bytesPerSec) / Math.log(k));
    return parseFloat((bytesPerSec / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
  }

  private renderOverviewPanel(): TemplateResult {
    const overviewTiles = [
      {
        id: 'cpu',
        title: 'CPU Usage',
        value: this.cpuUsage,
        type: 'gauge' as const,
        icon: 'lucide:cpu',
        description: this.cpuModel !== 'Unknown' ? `${this.cpuPhysicalCores} cores @ ${this.cpuSpeed} GHz` : undefined,
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(142 71% 45%)' },
            { value: 60, color: 'hsl(45 93% 47%)' },
            { value: 80, color: 'hsl(0 84% 60%)' },
          ],
        },
      },
      {
        id: 'memory',
        title: 'Memory Usage',
        value: this.memoryUsage,
        type: 'gauge' as const,
        icon: 'lucide:memoryStick',
        description: this.memoryTotal ? `${this.formatBytes(this.memoryUsed)} of ${this.formatBytes(this.memoryTotal)}` : undefined,
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(142 71% 45%)' },
            { value: 70, color: 'hsl(45 93% 47%)' },
            { value: 85, color: 'hsl(0 84% 60%)' },
          ],
        },
      },
      {
        id: 'disk',
        title: 'Disk Usage',
        value: this.diskUsage,
        type: 'gauge' as const,
        icon: 'lucide:hardDrive',
        description: this.diskTotal ? `${this.formatBytes(this.diskUsed)} of ${this.formatBytes(this.diskTotal)}` : undefined,
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(142 71% 45%)' },
            { value: 75, color: 'hsl(45 93% 47%)' },
            { value: 90, color: 'hsl(0 84% 60%)' },
          ],
        },
      },
      {
        id: 'temp',
        title: 'CPU Temp',
        value: this.cpuTemp,
        unit: '°C',
        type: 'gauge' as const,
        icon: 'lucide:thermometer',
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(217 91% 60%)' },
            { value: 50, color: 'hsl(142 71% 45%)' },
            { value: 70, color: 'hsl(45 93% 47%)' },
            { value: 85, color: 'hsl(0 84% 60%)' },
          ],
        },
      },
      {
        id: 'network-in',
        title: 'Network In',
        value: this.formatSpeed(this.networkRxSec),
        type: 'trend' as const,
        icon: 'lucide:download',
        trendData: this.networkInHistory,
        color: 'hsl(142 71% 45%)',
        description: `Total: ${this.formatBytes(this.networkRxTotal)}`,
      },
      {
        id: 'network-out',
        title: 'Network Out',
        value: this.formatSpeed(this.networkTxSec),
        type: 'trend' as const,
        icon: 'lucide:upload',
        trendData: this.networkOutHistory,
        color: 'hsl(217 91% 60%)',
        description: `Total: ${this.formatBytes(this.networkTxTotal)}`,
      },
      {
        id: 'uptime',
        title: 'System Uptime',
        value: this.uptime,
        type: 'text' as const,
        icon: 'lucide:clock',
        color: 'hsl(142 71% 45%)',
        description: 'Since last reboot',
      },
      {
        id: 'hostname',
        title: 'Hostname',
        value: this.hostname,
        type: 'text' as const,
        icon: 'lucide:server',
        description: this.distro ? `${this.distro} - ${this.cpuCores} threads` : `${this.platform} - ${this.cpuCores} threads`,
      },
    ];

    return html`
      <div class="panel-header">
        <div class="panel-title">System Overview</div>
        <div class="panel-description">Real-time system performance metrics</div>
      </div>

      <div class="stats-section">
        <dees-statsgrid
          .tiles=${overviewTiles}
          .minTileWidth=${220}
          .gap=${16}
        ></dees-statsgrid>
      </div>
    `;
  }

  private renderCpuPanel(): TemplateResult {
    // Generate cores data for cpuCores tile type
    const coresData = this.coreLoads.map((load, index) => ({
      id: index,
      usage: load,
      label: `Core ${index}`,
    }));

    const cpuTiles = [
      {
        id: 'cpu-total',
        title: 'Total CPU Usage',
        value: this.cpuUsage,
        type: 'gauge' as const,
        icon: 'lucide:cpu',
        description: `${this.cpuCores} threads on ${this.cpuPhysicalCores} cores`,
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(142 71% 45%)' },
            { value: 60, color: 'hsl(45 93% 47%)' },
            { value: 80, color: 'hsl(0 84% 60%)' },
          ],
        },
      },
      {
        id: 'cpu-cores',
        title: 'Core Usage',
        value: this.cpuUsage,
        type: 'cpuCores' as const,
        coresData: coresData,
        columnSpan: 2,
      },
      {
        id: 'load-avg',
        title: 'Load Average',
        value: this.loadAvg[0]?.toFixed(2) || '0',
        type: 'trend' as const,
        icon: 'lucide:activity',
        trendData: this.loadAvg,
        description: `1m: ${this.loadAvg[0]?.toFixed(2)}, 5m: ${this.loadAvg[1]?.toFixed(2)}, 15m: ${this.loadAvg[2]?.toFixed(2)}`,
      },
      {
        id: 'cpu-temp',
        title: 'Temperature',
        value: this.cpuTemp,
        unit: '°C',
        type: 'gauge' as const,
        icon: 'lucide:thermometer',
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(217 91% 60%)' },
            { value: 50, color: 'hsl(142 71% 45%)' },
            { value: 70, color: 'hsl(45 93% 47%)' },
            { value: 85, color: 'hsl(0 84% 60%)' },
          ],
        },
      },
      {
        id: 'freq',
        title: 'Clock Speed',
        value: this.cpuSpeed.toFixed(1),
        unit: 'GHz',
        type: 'number' as const,
        icon: 'lucide:gauge',
        description: this.cpuSpeedMax ? `Max: ${this.cpuSpeedMax.toFixed(1)} GHz` : undefined,
      },
    ];

    return html`
      <div class="panel-header">
        <div class="panel-title">CPU</div>
        <div class="panel-description">${this.cpuModel}</div>
      </div>

      <div class="stats-section">
        <dees-statsgrid
          .tiles=${cpuTiles}
          .minTileWidth=${200}
          .gap=${16}
        ></dees-statsgrid>
      </div>
    `;
  }

  private renderMemoryPanel(): TemplateResult {
    const swapUsagePercent = this.swapTotal > 0 ? Math.round((this.swapUsed / this.swapTotal) * 100) : 0;

    const memoryTiles = [
      {
        id: 'ram-usage',
        title: 'RAM Usage',
        value: this.memoryUsage,
        type: 'gauge' as const,
        icon: 'lucide:memoryStick',
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(142 71% 45%)' },
            { value: 70, color: 'hsl(45 93% 47%)' },
            { value: 85, color: 'hsl(0 84% 60%)' },
          ],
        },
        description: `${this.formatBytes(this.memoryUsed)} of ${this.formatBytes(this.memoryTotal)}`,
      },
      {
        id: 'swap-usage',
        title: 'Swap Usage',
        value: swapUsagePercent,
        type: 'gauge' as const,
        icon: 'lucide:hardDrive',
        gaugeOptions: {
          min: 0,
          max: 100,
          thresholds: [
            { value: 0, color: 'hsl(142 71% 45%)' },
            { value: 50, color: 'hsl(45 93% 47%)' },
            { value: 75, color: 'hsl(0 84% 60%)' },
          ],
        },
        description: this.swapTotal > 0 ? `${this.formatBytes(this.swapUsed)} of ${this.formatBytes(this.swapTotal)}` : 'No swap',
      },
      {
        id: 'mem-trend',
        title: 'Memory History',
        value: `${this.memoryUsage}%`,
        type: 'trend' as const,
        icon: 'lucide:trendingUp',
        trendData: this.memoryUsageHistory,
        description: 'Recent usage',
      },
      {
        id: 'cached',
        title: 'Cached',
        value: this.formatBytes(this.memoryCached),
        type: 'text' as const,
        icon: 'lucide:database',
        color: 'hsl(217 91% 60%)',
      },
      {
        id: 'buffers',
        title: 'Buffers',
        value: this.formatBytes(this.memoryBuffers),
        type: 'text' as const,
        icon: 'lucide:layers',
        color: 'hsl(262 83% 58%)',
      },
      {
        id: 'available',
        title: 'Available',
        value: this.formatBytes(this.memoryAvailable),
        type: 'text' as const,
        icon: 'lucide:checkCircle',
        color: 'hsl(142 71% 45%)',
      },
    ];

    return html`
      <div class="panel-header">
        <div class="panel-title">Memory</div>
        <div class="panel-description">RAM and swap usage details</div>
      </div>

      <div class="stats-section">
        <dees-statsgrid
          .tiles=${memoryTiles}
          .minTileWidth=${220}
          .gap=${16}
        ></dees-statsgrid>
      </div>
    `;
  }

  private renderStoragePanel(): TemplateResult {
    const storageTiles = [
      {
        id: 'disk-total',
        title: 'Total Storage',
        value: this.diskUsage,
        type: 'percentage' as const,
        icon: 'lucide:hardDrive',
        description: `${this.formatBytes(this.diskUsed)} of ${this.formatBytes(this.diskTotal)} used`,
        color: 'hsl(217 91% 60%)',
      },
      {
        id: 'disk-free',
        title: 'Free Space',
        value: this.formatBytes(this.diskFree),
        type: 'text' as const,
        icon: 'lucide:hardDrive',
        description: 'Available storage',
        color: 'hsl(142 71% 45%)',
      },
      {
        id: 'disk-used',
        title: 'Used Space',
        value: this.formatBytes(this.diskUsed),
        type: 'text' as const,
        icon: 'lucide:database',
        description: 'Currently in use',
        color: 'hsl(45 93% 47%)',
      },
      {
        id: 'disk-total-size',
        title: 'Total Capacity',
        value: this.formatBytes(this.diskTotal),
        type: 'text' as const,
        icon: 'lucide:server',
        description: 'All filesystems',
      },
    ];

    return html`
      <div class="panel-header">
        <div class="panel-title">Storage</div>
        <div class="panel-description">Disk usage and I/O performance</div>
      </div>

      <div class="stats-section">
        <dees-statsgrid
          .tiles=${storageTiles}
          .minTileWidth=${220}
          .gap=${16}
        ></dees-statsgrid>
      </div>
    `;
  }

  private renderNetworkPanel(): TemplateResult {
    const networkTiles = [
      {
        id: 'download',
        title: 'Download Speed',
        value: this.formatSpeed(this.networkRxSec),
        type: 'trend' as const,
        icon: 'lucide:download',
        trendData: this.networkInHistory,
        color: 'hsl(142 71% 45%)',
      },
      {
        id: 'upload',
        title: 'Upload Speed',
        value: this.formatSpeed(this.networkTxSec),
        type: 'trend' as const,
        icon: 'lucide:upload',
        trendData: this.networkOutHistory,
        color: 'hsl(217 91% 60%)',
      },
      {
        id: 'total-down',
        title: 'Total Downloaded',
        value: this.formatBytes(this.networkRxTotal),
        type: 'text' as const,
        icon: 'lucide:arrowDownCircle',
        description: 'Since boot',
        color: 'hsl(142 71% 45%)',
      },
      {
        id: 'total-up',
        title: 'Total Uploaded',
        value: this.formatBytes(this.networkTxTotal),
        type: 'text' as const,
        icon: 'lucide:arrowUpCircle',
        description: 'Since boot',
        color: 'hsl(217 91% 60%)',
      },
    ];

    return html`
      <div class="panel-header">
        <div class="panel-title">Network</div>
        <div class="panel-description">Network traffic and connectivity</div>
      </div>

      <div class="stats-section">
        <dees-statsgrid
          .tiles=${networkTiles}
          .minTileWidth=${220}
          .gap=${16}
        ></dees-statsgrid>
      </div>
    `;
  }

  private renderProcessesPanel(): TemplateResult {
    const processTiles = [
      {
        id: 'total-processes',
        title: 'Total Processes',
        value: this.processTotal,
        type: 'number' as const,
        icon: 'lucide:layers',
      },
      {
        id: 'running',
        title: 'Running',
        value: this.processRunning,
        type: 'number' as const,
        icon: 'lucide:play',
        color: 'hsl(142 71% 45%)',
      },
      {
        id: 'sleeping',
        title: 'Sleeping',
        value: this.processSleeping,
        type: 'number' as const,
        icon: 'lucide:moon',
        color: 'hsl(217 91% 60%)',
      },
      {
        id: 'blocked',
        title: 'Blocked',
        value: this.processBlocked,
        type: 'number' as const,
        icon: 'lucide:pauseCircle',
        color: 'hsl(0 84% 60%)',
      },
    ];

    return html`
      <div class="panel-header">
        <div class="panel-title">Processes</div>
        <div class="panel-description">Running processes and resource usage</div>
      </div>

      <div class="stats-section">
        <dees-statsgrid
          .tiles=${processTiles}
          .minTileWidth=${180}
          .gap=${16}
        ></dees-statsgrid>
      </div>

      <div class="stats-section">
        <div class="section-title">Top Processes by CPU</div>
        <div class="process-list">
          <div class="process-header">
            <span>Process</span>
            <span>PID</span>
            <span>CPU %</span>
            <span>Memory %</span>
          </div>
          ${this.topProcesses.length > 0 ? this.topProcesses.map(proc => html`
            <div class="process-row">
              <span class="process-name">${proc.name}</span>
              <span class="process-value">${proc.pid}</span>
              <span class="process-value ${proc.cpu > 10 ? 'high' : ''}">${proc.cpu}%</span>
              <span class="process-value ${proc.memory > 10 ? 'high' : ''}">${proc.memory}%</span>
            </div>
          `) : html`<div class="process-row"><span class="process-name">Loading...</span></div>`}
        </div>
      </div>
    `;
  }
}