import { simpleTimeAgo } from '../utils/simple-time-ago.js';

function showPhoneModal(identifier, deviceType, fullData = {}) {
  let modal = document.getElementById('phoneDeviceModal');
  if (!modal) {
    modal = document.createElement('div');
    modal.id = 'phoneDeviceModal';
    modal.className = 'hidden fixed inset-0 bg-black/80 flex items-center justify-center z-[100]';
    modal.innerHTML = `
      <div class="modal bg-gray-900 rounded-3xl w-full max-w-5xl max-h-[92vh] overflow-hidden shadow-2xl border border-gray-700">
        <div class="px-8 py-5 border-b border-gray-700 bg-gray-950 flex items-center justify-between">
          <h2 id="modalTitle" class="text-2xl font-semibold flex items-center gap-3"></h2>
          <button id="modalClose" class="text-gray-400 hover:text-white text-3xl leading-none">×</button>
        </div>
        <div id="modalContent" class="p-8 overflow-y-auto max-h-[calc(92vh-80px)] space-y-8"></div>
      </div>
    `;
    document.body.appendChild(modal);
    modal.querySelector('#modalClose').addEventListener('click', () => modal.classList.add('hidden'));
  }

  const titleEl = modal.querySelector('#modalTitle');
  const contentEl = modal.querySelector('#modalContent');

  const isDect = deviceType === 'dect-base' || deviceType === 'dect-handset' || fullData.isDect;
  titleEl.innerHTML = isDect 
    ? `DECT: <span class="font-mono text-emerald-400">${identifier}</span>`
    : `Phone: <span class="font-mono text-emerald-400">${identifier}</span>`;
  contentEl.innerHTML = getPhoneModalHTML(identifier, deviceType, fullData);

  modal.classList.remove('hidden');
}

function getPhoneModalHTML(identifier, deviceType, data) {
  let html = '';

  const isDectBase = deviceType === 'dect-base' || data.isDectBase;
  const isDectHandset = deviceType === 'dect-handset' || data.isDectHandset;
  const isPhone = !isDectBase && !isDectHandset;

  if (isPhone) {
    html += renderPhoneSection(data);
  } else if (isDectBase) {
    html += renderDectBaseSection(data);
  } else if (isDectHandset) {
    html += renderDectHandsetSection(data);
  }

  // Always show Meraki if present
  if (data.meraki) {
    html += renderPhoneMerakiSection(data);
  }

  // Profile / location info if top level
  if (data.telephonyProfile || data.person || data.dectNetwork || data.locationMainNumber) {
    html += renderPhoneContextSection(data);
  }

  return `<div class="space-y-8">${html}</div>`;
}

function sectionCard(title, content) {
  return `
    <div class="section-card">
      <h3 class="text-lg font-semibold mb-6 text-emerald-400">${title}</h3>
      ${content}
    </div>
  `;
}

function renderPhoneSection(phone) {
  const lastSeen = phone.lastSeen ? simpleTimeAgo(new Date(phone.lastSeen)) : '—';
  const statusBadge = `
    <span class="inline-flex items-center gap-1.5 px-5 py-1.5 text-sm font-semibold rounded-2xl shadow-md
      ${phone.status === 'connected' || phone.status === 'Online' ? 'bg-emerald-600 text-white' : 'bg-red-600 text-white'}">
      ${phone.status || 'Unknown'}
    </span>`;

  const content = `
    <div class="flex justify-between items-start mb-6">
      <div>
        <div class="text-emerald-400 text-sm font-medium">Webex Desk Phone</div>
        <div class="text-xl font-semibold mt-1">${phone.displayName || phone.name || 'Unknown'}</div>
      </div>
      ${statusBadge}
    </div>

    <div class="grid grid-cols-2 md:grid-cols-4 gap-x-8 gap-y-6 text-sm">
      <div><span class="text-gray-400 block text-xs">MODEL</span><span class="font-medium">${phone.model || phone.product || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">SERIAL</span><span class="font-mono">${phone.serial || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">FIRMWARE</span><span>${phone.firmware || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">IP</span><span class="font-mono">${phone.ipAddress || phone.meraki?.ip || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">LAST SEEN</span><span class="font-medium">${lastSeen}</span></div>
      <div><span class="text-gray-400 block text-xs">MAC</span><span class="font-mono">${phone.mac || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">SIP URL</span><span class="font-mono text-xs">${phone.primarySipUrl || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">ERRORS</span><span class="${phone.errorCodes?.length ? 'text-red-400' : ''}">${phone.errorCodes?.length || 0}</span></div>
    </div>
  `;

  return sectionCard('', content);
}

function renderDectBaseSection(base) {
  const lastSeen = base.lastSeen ? simpleTimeAgo(new Date(base.lastSeen)) : '—';
  const statusBadge = `
    <span class="inline-flex items-center gap-1.5 px-5 py-1.5 text-sm font-semibold rounded-2xl shadow-md
      ${base.status === 'registered' || base.status === 'Online' ? 'bg-emerald-600 text-white' : 'bg-amber-600 text-white'}">
      ${base.status || 'Unknown'}
    </span>`;

  const content = `
    <div class="flex justify-between items-start mb-6">
      <div>
        <div class="text-emerald-400 text-sm font-medium">DECT Basestation</div>
        <div class="text-xl font-semibold mt-1">${base.name || 'Unknown Base'}</div>
      </div>
      ${statusBadge}
    </div>

    <div class="grid grid-cols-2 md:grid-cols-4 gap-x-8 gap-y-6 text-sm">
      <div><span class="text-gray-400 block text-xs">MAC</span><span class="font-mono">${base.mac || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">FIRMWARE</span><span>${base.firmware || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">MODEL</span><span>${base.model || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">IP</span><span class="font-mono">${base.ipAddress || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">LAST SEEN</span><span>${lastSeen}</span></div>
      <div><span class="text-gray-400 block text-xs">LINES</span><span>${base.linesRegistered || 0}</span></div>
    </div>
  `;

  return sectionCard('', content);
}

function renderDectHandsetSection(handset) {
  const lastReg = handset.lastRegistrationTime ? simpleTimeAgo(new Date(handset.lastRegistrationTime)) : '—';
  const content = `
    <div>
      <div class="text-emerald-400 text-sm font-medium mb-1">DECT Handset</div>
      <div class="text-xl font-semibold">${handset.name || 'Unknown Handset'}</div>
    </div>

    <div class="grid grid-cols-2 md:grid-cols-4 gap-x-8 gap-y-6 text-sm mt-6">
      <div><span class="text-gray-400 block text-xs">MAC</span><span class="font-mono">${handset.mac || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">FIRMWARE</span><span>${handset.firmware || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">EXTENSION</span><span class="font-mono">${handset.extension || '—'}</span></div>
      <div><span class="text-gray-400 block text-xs">LAST REG</span><span>${lastReg}</span></div>
      <div><span class="text-gray-400 block text-xs">BASE ID</span><span class="font-mono">${handset.baseStationId || '—'}</span></div>
    </div>
  `;

  return sectionCard('', content);
}

function renderPhoneMerakiSection(device) {
  const m = device.meraki || {};
  const client = m.client || m;
  const connectionType = m.connectionType || client.recentDeviceConnection || 'Unknown';

  let isOnline = client?.status === 'Online' || client?.status === 'connected' || false;
  if (!isOnline && client?.lastSeen) {
    const d = new Date(client.lastSeen);
    if (!isNaN(d.getTime())) {
      const ageMins = (Date.now() - d.getTime()) / 60000;
      if (ageMins < 5) isOnline = true;
    }
  }
  const lastSeen = client?.lastSeen ? simpleTimeAgo(new Date(client.lastSeen)) : '—';

  const cleanMac = client?.mac ? client.mac.toUpperCase().replace(/:/g, '') : '—';
  const ip = client?.ip || '—';

  // Data usage in MB
  let sentMB = 0, recvMB = 0, totalMB = 0;
  if (client?.usage) {
    sentMB = (client.usage.sent / 1048576).toFixed(3);
    recvMB = (client.usage.recv / 1048576).toFixed(3);
    totalMB = (client.usage.total / 1048576).toFixed(3);
  }

  const statusBadge = `
    <span class="inline-flex items-center gap-1.5 px-5 py-1.5 text-sm font-semibold rounded-2xl shadow-md
      ${isOnline ? 'bg-emerald-600 text-white' : 'bg-red-600 text-white'}">
      <span class="relative flex h-2 w-2">
        <span class="animate-ping absolute inline-flex h-full w-full rounded-full ${isOnline ? 'bg-emerald-300' : 'bg-red-300'} opacity-75"></span>
        <span class="relative inline-flex rounded-full h-2 w-2 ${isOnline ? 'bg-emerald-300' : 'bg-red-300'}"></span>
      </span>
      ${isOnline ? 'Online' : 'Offline'}
    </span>`;

  const merakiLink = client?.id && (m.clientUrl || client.clientUrl)
    ? `<a href="${m.clientUrl || client.clientUrl}" target="_blank" class="text-emerald-400 hover:text-emerald-300 text-sm font-medium flex items-center gap-1">View in Meraki →</a>`
    : '';

  let content = `
    <div class="flex justify-between items-start mb-6">
      <h3 class="text-lg font-semibold text-emerald-400">Meraki Client Information</h3>
      <div class="flex items-center gap-4">
        ${statusBadge}
        ${merakiLink}
      </div>
    </div>

    <div class="grid grid-cols-2 md:grid-cols-4 gap-x-8 gap-y-8 text-sm">
      <div>
        <span class="text-gray-400 block text-xs uppercase tracking-widest mb-1">CONNECTION TYPE</span>
        <span class="font-medium">${connectionType}</span>
      </div>
      <div>
        <span class="text-gray-400 block text-xs uppercase tracking-widest mb-1">MAC ADDRESS</span>
        <span class="font-mono text-emerald-300">${cleanMac}</span>
      </div>
      <div>
        <span class="text-gray-400 block text-xs uppercase tracking-widest mb-1">IP ADDRESS</span>
        <span class="font-mono">${ip}</span>
      </div>
      <div>
        <span class="text-gray-400 block text-xs uppercase tracking-widest mb-1">LAST SEEN</span>
        <span class="font-medium">${lastSeen}</span>
      </div>
    </div>
  `;

  if (client?.usage) {
    content += `
      <div class="mt-10 pt-6 border-t border-gray-700">
        <div class="text-xs uppercase tracking-widest text-gray-400 mb-3">DATA USAGE (SINCE LAST SEEN)</div>
        <div class="grid grid-cols-3 gap-4 text-center">
          <div class="bg-gray-950 rounded-2xl p-5">
            <div class="text-emerald-400 text-xs font-medium">SENT</div>
            <div class="text-2xl font-semibold mt-1">${sentMB} MB</div>
          </div>
          <div class="bg-gray-950 rounded-2xl p-5">
            <div class="text-emerald-400 text-xs font-medium">RECEIVED</div>
            <div class="text-2xl font-semibold mt-1">${recvMB} MB</div>
          </div>
          <div class="bg-gray-950 rounded-2xl p-5">
            <div class="text-emerald-400 text-xs font-medium">TOTAL</div>
            <div class="text-2xl font-semibold mt-1">${totalMB} MB</div>
          </div>
        </div>
      </div>
    `;
  }

  // Add detailed port status/config if present (like AV dashboard)
  const portStatus = m.portStatus || client?.switchportStatus;
  const portConfig = m.portConfig || client?.switchportConfig;
  if (portStatus || portConfig) {
    if (portStatus) {
      content += renderSwitchportStatusSection(portStatus, portConfig);
    }
    if (portConfig) {
      content += renderSwitchportConfigSection(portConfig);
    }
  }

  return sectionCard('', content);
}

// ====================== SWITCHPORT STATUS (copied/adapted from AV for phone nodes)
function renderSwitchportStatusSection(portStatus, portConfig) {
  const enabledText = portStatus?.enabled !== false ? 'Enabled' : 'Disabled';
  const enabledColor = enabledText === 'Enabled' ? 'bg-green-600 text-white' : 'bg-red-600 text-white';

  const statusText = portStatus?.status || 'Unknown';
  const isConnected = statusText.toLowerCase() === 'connected' || statusText.toLowerCase() === 'online';
  const statusColor = isConnected ? 'bg-green-600 text-white' : 'bg-red-600 text-white';

  const speedDuplex = `${portStatus?.speed || '—'} / ${portStatus?.duplex || '—'}`;
  const poeAllocated = portStatus?.poe?.isAllocated ? 'Yes' : 'No';

  const usageKB = portStatus?.usageInKb?.total ? portStatus.usageInKb.total.toLocaleString() : '—';
  const trafficKbps = portStatus?.trafficInKbps?.total ? portStatus.trafficInKbps.total.toFixed(1) : '—';

  const content = `
    <div class="section-card relative mt-6">
      <div class="flex gap-3 absolute top-6 right-6">
        <div class="px-4 py-1.5 rounded-2xl text-sm font-semibold ${enabledColor}">${enabledText}</div>
        <div class="px-4 py-1.5 rounded-2xl text-sm font-semibold flex items-center gap-2 ${statusColor}">
          <span class="w-3 h-3 rounded-full ${isConnected ? 'bg-green-300 animate-pulse' : 'bg-red-300'}"></span>
          ${statusText}
        </div>
      </div>

      <div class="grid grid-cols-2 gap-x-12 gap-y-6 text-sm mt-2">
        <div><span class="text-gray-400">Port ID</span><br><span class="font-medium">${portStatus?.portId || '—'}</span></div>
        <div><span class="text-gray-400">Is Uplink</span><br>${portStatus?.isUplink ? 'Yes' : 'No'}</div>
        <div><span class="text-gray-400">Speed / Duplex</span><br>${speedDuplex}</div>
        <div><span class="text-gray-400">PoE Allocated</span><br><span class="${poeAllocated === 'Yes' ? 'text-green-400' : ''}">${poeAllocated}</span></div>
        <div><span class="text-gray-400">Errors</span><br><span class="${(portStatus?.errors || 0) > 0 ? 'text-red-400' : ''}">${portStatus?.errors || 0}</span></div>
        <div><span class="text-gray-400">Warnings</span><br>${portStatus?.warnings || 0}</div>
      </div>

      <div class="mt-8 pt-6 border-t border-gray-700 grid grid-cols-3 gap-4 text-center">
        <div class="bg-gray-950 rounded-xl p-4">
          <div class="text-gray-400 text-xs">Usage</div>
          <div class="text-xl font-semibold">${usageKB} KB</div>
        </div>
        <div class="bg-gray-950 rounded-xl p-4">
          <div class="text-gray-400 text-xs">Traffic</div>
          <div class="text-xl font-semibold">${trafficKbps} Kbps</div>
        </div>
        <div class="bg-gray-950 rounded-xl p-4">
          <div class="text-gray-400 text-xs">Power Usage</div>
          <div class="text-xl font-semibold">${portStatus?.powerUsageInWh || '—'} Wh</div>
        </div>
      </div>
    </div>
  `;

  return sectionCard('Switchport Status', content);
}

// ====================== SWITCHPORT CONFIG (adapted)
function renderSwitchportConfigSection(portConfig) {
  const enabledText = portConfig?.enabled !== false ? 'Enabled' : 'Disabled';
  const enabledColor = enabledText === 'Enabled' ? 'bg-green-600 text-white' : 'bg-red-600 text-white';

  const poeText = portConfig?.poeEnabled ? 'PoE Enabled' : 'PoE Disabled';
  const poeColor = portConfig?.poeEnabled ? 'bg-green-600 text-white' : 'bg-gray-700 text-gray-300';

  const stickyCount = (portConfig?.stickyMacAllowList || []).length;

  const content = `
    <div class="section-card relative mt-4">
      <div class="flex gap-3 absolute top-6 right-6">
        <div class="px-4 py-1.5 rounded-2xl text-sm font-semibold ${enabledColor}">${enabledText}</div>
        <div class="px-4 py-1.5 rounded-2xl text-sm font-semibold ${poeColor}">${poeText}</div>
      </div>

      <div class="grid grid-cols-2 gap-x-12 gap-y-6 text-sm mt-2">
        <div><span class="text-gray-400">Port ID</span><br><span class="font-medium">${portConfig?.portId || '—'}</span></div>
        <div><span class="text-gray-400">Name</span><br><span class="font-medium">${portConfig?.name || '—'}</span></div>
        <div><span class="text-gray-400">Type</span><br><span class="font-medium">${portConfig?.type || 'Access'}</span></div>
        <div><span class="text-gray-400">VLAN</span><br><span class="font-medium">${portConfig?.vlan || '—'}</span></div>
        <div><span class="text-gray-400">Voice VLAN</span><br><span class="font-medium">${portConfig?.voiceVlan || 'None'}</span></div>
        <div><span class="text-gray-400">Access Policy</span><br><span class="font-medium">${portConfig?.accessPolicyType || '—'}</span></div>
        <div><span class="text-gray-400">Sticky MAC Limit</span><br><span class="font-medium">${portConfig?.stickyMacAllowListLimit || '—'}</span></div>
        <div><span class="text-gray-400">Sticky MAC List</span><br><span class="font-medium">${stickyCount} entries</span></div>
      </div>
    </div>
  `;

  return sectionCard('Switchport Configuration', content);
}

function renderPhoneContextSection(data) {
  const prof = data.telephonyProfile || {};
  const pers = data.person || {};
  const dectNet = data.dectNetwork || {};
  const mainNum = data.locationMainNumber;

  let content = '<div class="grid grid-cols-1 md:grid-cols-2 gap-8 text-sm">';

  if (prof.timeZone || mainNum) {
    content += `
      <div>
        <div class="text-emerald-400 text-sm font-medium mb-3">Location / Profile</div>
        ${prof.timeZone ? `<div><span class="text-gray-400">Timezone:</span> <span class="font-medium">${prof.timeZone}</span></div>` : ''}
        ${mainNum ? `<div class="mt-1"><span class="text-gray-400">Main Number:</span> <span class="font-mono">${mainNum}</span></div>` : ''}
      </div>
    `;
  }

  if (dectNet.name || dectNet.locationName) {
    content += `
      <div>
        <div class="text-emerald-400 text-sm font-medium mb-3">DECT Network</div>
        <div><span class="font-medium">${dectNet.name || 'DECT Network'}</span></div>
        ${dectNet.locationName ? `<div class="text-gray-400 text-xs mt-0.5">${dectNet.locationName}</div>` : ''}
      </div>
    `;
  }

  content += '</div>';

  return sectionCard('Context', content);
}

export { showPhoneModal };