const ttSwitchCSS = `
.tt-switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.tt-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .4s; }
input:checked + .slider { background-color: #28a745; }
input:focus + .slider { box-shadow: 0 0 1px #28a745; }
input:checked + .slider:before { transform: translateX(20px); }
.slider.round { border-radius: 24px; }
.slider.round:before { border-radius: 50%; }
`;
const styleSheet = document.createElement("style");
styleSheet.innerText = ttSwitchCSS;
document.head.appendChild(styleSheet);

Vue.component('tt-switch', {
    template: `
        <label class="tt-switch">
            <input type="checkbox" :checked="value" @change="$emit('input', $event.target.checked)">
            <span class="slider round"></span>
        </label>
    `,
    props: { value: { type: Boolean, default: false } }
});

Vue.component('device-monitoring-modal', {
    //language=Vue
    template: `
      <tt-modal :show="true"
                :title="'Monitoring für ' + deviceName"
                @update:show="$emit('close')"
                :save="false"
                :delete="false"
                dialog-class="modal-xl">

        <div class="monitoring-tabs">
          <button v-for="tab in tabs" :key="tab.id"
                  :class="{ active: activeTab === tab.id }"
                  @click="activeTab = tab.id">
            <i :class="tab.icon"></i> {{ tab.name }}
          </button>
        </div>

        <div class="monitoring-content">
          <div v-if="activeTab === 'overview'">
            <div v-if="loading.overview" class="text-center p-4"><div class="spinner-border"></div></div>
            <div v-else-if="!generalData || Object.keys(generalData).length === 0" class="alert alert-info">Keine allgemeinen Monitoring-Daten gefunden.</div>
            <div v-else class="overview-grid">
              <tt-card v-if="generalData.ping && generalData.ping.length" body-overflow-x-auto>
                <template v-slot:header><h6><i class="fas fa-network-wired"></i> Erreichbarkeit</h6></template>
                <table class="table table-sm table-borderless mb-0">
                  <tr v-for="item in generalData.ping" :key="item.name">
                    <td>{{ item.name.replace('ICMP: ', '') }}</td>
                    <td class="text-right"><b>{{ formatGeneralValue(item) }}</b> {{ item.units }}</td>
                  </tr>
                </table>
              </tt-card>
              <tt-card v-if="generalData.uptime && generalData.uptime.length" body-overflow-x-auto>
                <template v-slot:header><h6><i class="fas fa-clock"></i> Uptime</h6></template>
                <div v-for="item in generalData.uptime" :key="item.name" class="p-2 text-center">
                  <p class="h5 mb-0">{{ formatUptime(item.value) }}</p>
                  <small class="text-muted">Seit {{ moment(Date.now() - item.value * 1000).format('DD.MM.YYYY HH:mm') }}</small>
                </div>
              </tt-card>
              <tt-card v-if="generalData.problemCounts" body-overflow-x-auto>
                <template v-slot:header><h6><i class="fas fa-bell"></i> Probleme</h6></template>
                <div class="problem-counts">
                  <div><span class="count">{{ generalData.problemCounts['24h'] }}</span><span class="period">letzte 24h</span></div>
                  <div><span class="count">{{ generalData.problemCounts['7d'] }}</span><span class="period">letzte 7T</span></div>
                  <div><span class="count">{{ generalData.problemCounts['30d'] }}</span><span class="period">letzte 30T</span></div>
                </div>
              </tt-card>
            </div>
          </div>

          <div v-if="activeTab === 'interfaces'">
            <div class="p-2 border-bottom mb-3 d-flex justify-content-between align-items-center flex-wrap">
              <div style="flex-grow: 1; margin-right: 15px; min-width: 300px;">
                <tt-select label="Schnittstellen zur Anzeige auswählen" :options="interfaceOptions" v-model="selectedInterfaces" sm multiple searchable/>
              </div>
              <div class="d-flex align-items-center flex-wrap">
                <div class="btn-group btn-group-sm mr-2 mb-1">
                  <button @click="dataNormalizationMode = 'avg'" :class="dataNormalizationMode === 'avg' ? 'btn-primary' : 'btn-outline-secondary'" class="btn">Durchschnitt</button>
                  <button @click="dataNormalizationMode = 'max'" :class="dataNormalizationMode === 'max' ? 'btn-primary' : 'btn-outline-secondary'" class="btn">Maximum</button>
                </div>
                <div class="btn-group btn-group-sm mr-2 mb-1">
                  <button v-for="range in timeRanges" :key="range.value" :class="interfaceTimeRange === range.value ? 'btn-primary' : 'btn-outline-secondary'" @click="interfaceTimeRange = range.value" class="btn">{{range.text}}</button>
                </div>
                <button @click="resetAllChartsZoom" class="btn btn-sm btn-info mb-1" title="Zoom zurücksetzen"><i class="fas fa-search-minus"></i> Zoom zurücksetzen</button>
              </div>
            </div>
            <div v-if="loading.interfaces" class="text-center p-4"><div class="spinner-border"></div></div>
            <div v-else-if="selectedInterfaces.length === 0" class="alert alert-light text-center">Bitte eine oder mehrere Schnittstellen auswählen, um Graphen anzuzeigen.</div>
            <div v-else class="chart-container">
              <div v-for="iface in selectedInterfacesData" :key="iface.name" class="chart-card border rounded p-2">
                <div v-if="loading.individualInterfaces[iface.name]" class="chart-loader"><div class="spinner-border spinner-border-sm"></div></div>
                <div class="d-flex justify-content-between align-items-center">
                  <h6 class="chart-title">{{ iface.name }}</h6>
                  <button @click="openLiveChartPopup(iface)" class="btn btn-sm btn-danger" title="Live-Graph"><i class="fas fa-play-circle"></i> Live</button>
                </div>
                <canvas :ref="'chartCanvas-' + iface.name"></canvas>
                <div v-if="statistics[iface.name]" class="chart-stats">
                  <div class="stats-col"><strong><i class="fas fa-arrow-down text-success"></i> Empfangen (Mbps)</strong><span>Min: {{ statistics[iface.name].rx.min }}</span><span>Avg: {{ statistics[iface.name].rx.avg }}</span><span>Max: {{ statistics[iface.name].rx.max }}</span><span>95%: {{ statistics[iface.name].rx.p95 }}</span></div>
                  <div class="stats-col"><strong><i class="fas fa-arrow-up text-primary"></i> Gesendet (Mbps)</strong><span>Min: {{ statistics[iface.name].tx.min }}</span><span>Avg: {{ statistics[iface.name].tx.avg }}</span><span>Max: {{ statistics[iface.name].tx.max }}</span><span>95%: {{ statistics[iface.name].tx.p95 }}</span></div>
                </div>
              </div>
            </div>
          </div>

          <div v-if="activeTab === 'reports'">
            <div class="p-2 border-bottom mb-3 d-flex justify-content-start align-items-center flex-wrap">
              <div class="btn-group btn-group-sm mr-2 mb-1">
                <button v-for="range in reportTimeRanges" :key="range.value" :class="reportTimeRange === range.value ? 'btn-primary' : 'btn-outline-secondary'" @click="reportTimeRange = range.value" class="btn">{{range.text}}</button>
              </div>
            </div>
            <div v-if="loading.reports" class="text-center p-4"><div class="spinner-border"></div></div>
            <div v-else-if="!reportData || reportData.length === 0" class="alert alert-info">Keine Report-Daten für den gewählten Zeitraum.</div>
            <div v-else class="table-responsive">
              <table class="table table-sm table-hover table-striped">
                <thead>
                <tr>
                  <th @click="sortReport('name')" class="c-pointer">Schnittstelle <i :class="getSortIcon('name')"></i></th>
                  <th @click="sortReport('speed')" class="c-pointer text-right">Speed (Mbps) <i :class="getSortIcon('speed')"></i></th>
                  <th @click="sortReport('rx.max')" class="c-pointer text-right">Max In (Mbps) <i :class="getSortIcon('rx.max')"></i></th>
                  <th @click="sortReport('rx.avg')" class="c-pointer text-right">Avg In (Mbps) <i :class="getSortIcon('rx.avg')"></i></th>
                  <th @click="sortReport('rx.usage')" class="c-pointer text-right">Auslastung In (%) <i :class="getSortIcon('rx.usage')"></i></th>
                  <th @click="sortReport('tx.max')" class="c-pointer text-right">Max Out (Mbps) <i :class="getSortIcon('tx.max')"></i></th>
                  <th @click="sortReport('tx.avg')" class="c-pointer text-right">Avg Out (Mbps) <i :class="getSortIcon('tx.avg')"></i></th>
                  <th @click="sortReport('tx.usage')" class="c-pointer text-right">Auslastung Out (%) <i :class="getSortIcon('tx.usage')"></i></th>
                </tr>
                </thead>
                <tbody>
                <tr v-for="d in sortedReportData" :key="d.name">
                  <td>{{ d.name }}</td>
                  <td class="text-right">{{ d.speed }}</td>
                  <td class="text-right">{{ d.rx.max }}</td>
                  <td class="text-right">{{ d.rx.avg }}</td>
                  <td class="text-right">{{ d.rx.usage }}%</td>
                  <td class="text-right">{{ d.tx.max }}</td>
                  <td class="text-right">{{ d.tx.avg }}</td>
                  <td class="text-right">{{ d.tx.usage }}%</td>
                </tr>
                </tbody>
              </table>
            </div>
          </div>

          <div v-if="activeTab === 'problems'">
            <div v-if="loading.problems" class="text-center p-4"><div class="spinner-border"></div></div>
            <div v-else-if="problemData.current.length === 0 && problemData.resolved.length === 0" class="alert alert-success text-center">Keine Probleme für dieses Gerät gefunden.</div>
            <div v-else>
              <div v-if="problemData.current.length > 0">
                <h5>Aktuelle Probleme</h5>
                <div class="problems-list">
                  <div v-for="p in problemData.current" :key="p.eventid" class="problem-card" :class="getSeverityClass(p.severity)">
                    <div class="problem-icon"><i :class="getSeverityIcon(p.severity)"></i></div>
                    <div class="problem-details">
                      <div class="problem-header"><strong class="problem-name">{{ p.name }}</strong><span class="problem-time">{{ moment(p.clock * 1000).fromNow() }}</span></div>
                      <div class="problem-opdata" v-if="p.opdata">{{ p.opdata }}</div>
                    </div>
                  </div>
                </div>
              </div>
              <div v-if="problemData.resolved.length > 0">
                <h5 class="mt-4">Behobene Probleme (letzte 7 Tage)</h5>
                <div class="problems-list resolved">
                  <div v-for="p in problemData.resolved" :key="p.eventid" class="problem-card sev-resolved">
                    <div class="problem-icon"><i class="fas fa-check-circle"></i></div>
                    <div class="problem-details">
                      <div class="problem-header"><strong class="problem-name">{{ p.name }}</strong><span class="problem-time">{{ moment(p.clock * 1000).fromNow() }}</span></div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>

          <div v-if="activeTab === 'configuration'">
            <div v-if="loading.configuration" class="text-center p-4"><div class="spinner-border"></div></div>
            <div v-else>
              <tt-card class="mb-4">
                <template v-slot:header><h6><i class="fas fa-fingerprint"></i> SNMP Konfiguration</h6></template>
                <div v-if="!configData.snmp" class="alert alert-warning">Keine SNMP-Schnittstelle auf diesem Host gefunden.</div>
                <div v-else>
                  <tt-select label="Version" v-model="configData.snmp.details.version" :options="[{text: 'SNMPv1', value: '1'}, {text: 'SNMPv2c', value: '2'}, {text: 'SNMPv3', value: '3'}]" />
                  <tt-input v-if="configData.snmp.details.version < 3" label="Community String" v-model="configData.snmp.details.community" type="text" />
                  <template v-if="configData.snmp.details.version == 3">
                    <tt-input label="Security Name" v-model="configData.snmp.details.securityname" type="text"/>
                    <tt-select label="Security Level" v-model="configData.snmp.details.securitylevel" :options="snmpV3Levels" />
                    <template v-if="configData.snmp.details.securitylevel !== '0'">
                      <tt-select label="Auth Protocol" v-model="configData.snmp.details.authprotocol" :options="snmpV3Auth" />
                      <tt-input label="Auth Passphrase" v-model="authPassphrase" type="password" placeholder="Zum Ändern ausfüllen"/>
                    </template>
                    <template v-if="configData.snmp.details.securitylevel === '2'">
                      <tt-select label="Privacy Protocol" v-model="configData.snmp.details.privprotocol" :options="snmpV3Priv" />
                      <tt-input label="Privacy Passphrase" v-model="privPassphrase" type="password" placeholder="Zum Ändern ausfüllen"/>
                    </template>
                  </template>
                  <button class="btn btn-primary mt-3" @click="saveSnmpConfig"><i class="fas fa-save"></i> Speichern</button>
                </div>
              </tt-card>
              <tt-card>
                  <template v-slot:header>
                    <div class="d-flex justify-content-between align-items-center flex-wrap">
                        <h6 class="mb-0"><i class="fas fa-bell"></i> Schnittstellen-Alarmierung (Link-Status)</h6>
                        <div style="min-width: 250px; margin-left: 1rem;">
                            <tt-input sm no-form-group v-model="interfaceSearch" placeholder="Schnittstelle suchen..." type="search" />
                        </div>
                    </div>
                  </template>
                  <div class="interface-alarm-list">
                      <div v-if="!filteredInterfaces || filteredInterfaces.length === 0" class="text-center text-muted p-3">
                        Keine Schnittstellen gefunden.
                      </div>
                      <div v-for="iface in filteredInterfaces" :key="iface.itemid" class="interface-alarm-item">
                          <div class="interface-name">{{ iface.name }}</div>
                          <div class="interface-switch">
                              <tt-switch v-model="iface.isAlarmed" :loading="iface.loading" @input="toggleInterfaceAlarm(iface)"></tt-switch>
                          </div>
                      </div>
                  </div>
              </tt-card>
            </div>
          </div>
        </div>
      </tt-modal>
    `,
    props: ['hostId', 'deviceName'],
    data() {
        return {
            moment: window.moment,
            activeTab: 'overview',
            tabs: [
                { id: 'overview', name: 'Übersicht', icon: 'fas fa-tachometer-alt' },
                { id: 'interfaces', name: 'Schnittstellen', icon: 'fas fa-ethernet' },
                // { id: 'reports', name: 'Reports', icon: 'fas fa-chart-pie' },
                { id: 'problems', name: 'Probleme', icon: 'fas fa-exclamation-triangle' },
                { id: 'configuration', name: 'Konfiguration', icon: 'fas fa-cogs' },
            ],
            loading: { overview: true, interfaces: false, problems: false, configuration: false, reports: false, individualInterfaces: {} },
            generalData: null,
            problemData: { current: [], resolved: [] },
            allInterfaces: [],
            selectedInterfaces: [],
            interfaceTimeRange: '24h',
            timeRanges: [{ text: '6H', value: '6h' }, { text: '24H', value: '24h' }, { text: '7T', value: '7d' }, { text: '30T', value: '30d' }],
            interfaceChartData: {},
            chartInstances: {},
            dataNormalizationMode: 'avg',
            downsampleThreshold: 500,
            configData: { snmp: null, interfaces: [] },
            interfaceSearch: '',
            snmpV3Levels: [{text: 'noAuthNoPriv', value: '0'}, {text: 'authNoPriv', value: '1'}, {text: 'authPriv', value: '2'}],
            snmpV3Auth: [{text: 'MD5', value: '0'}, {text: 'SHA-1', value: '1'}],
            snmpV3Priv: [{text: 'DES', value: '0'}, {text: 'AES-128', value: '1'}],
            authPassphrase: '',
            privPassphrase: '',
            reportData: [],
            reportTimeRange: '7d',
            reportTimeRanges: [{ text: 'Letzte 7 Tage', value: '7d' }, { text: 'Letzte 30 Tage', value: '30d' }],
            reportSortKey: 'name',
            reportSortDir: 'asc',
        };
    },
    computed: {
        interfaceOptions() { return this.allInterfaces.map(iface => ({ text: iface.name, value: iface.name })); },
        selectedInterfacesData() { return this.allInterfaces.filter(iface => this.selectedInterfaces.includes(iface.name)); },
        filteredInterfaces() {
            if (!this.configData.interfaces || !Array.isArray(this.configData.interfaces)) return [];
            if (!this.interfaceSearch) {
                return this.configData.interfaces;
            }
            const search = this.interfaceSearch.toLowerCase();
            return this.configData.interfaces.filter(iface =>
                iface.name.toLowerCase().includes(search)
            );
        },
        statistics() {
            if (this.selectedInterfaces.length === 0 || Object.keys(this.interfaceChartData).length === 0) return {};
            const stats = {};
            this.selectedInterfacesData.forEach(iface => {
                const calculate = (data) => {
                    if (!data || data.length === 0) return { min: 'N/A', max: 'N/A', avg: 'N/A', p95: 'N/A' };
                    const values = data.map(p => p.y);
                    const sorted = [...values].sort((a, b) => a - b);
                    const sum = values.reduce((acc, val) => acc + val, 0);
                    return {
                        min: this.formatStat(sorted[0]),
                        max: this.formatStat(sorted[sorted.length - 1]),
                        avg: this.formatStat(sum / values.length),
                        p95: this.formatStat(sorted[Math.floor(sorted.length * 0.95)]),
                    };
                };
                stats[iface.name] = { rx: calculate(this.interfaceChartData[iface.rx?.itemid]), tx: calculate(this.interfaceChartData[iface.tx?.itemid]) };
            });
            return stats;
        },
        sortedReportData() {
            if (!this.reportData) return [];
            return [...this.reportData].sort((a, b) => {
                let aVal = this.reportSortKey.split('.').reduce((o, i) => o[i], a);
                let bVal = this.reportSortKey.split('.').reduce((o, i) => o[i], b);
                if (typeof aVal === 'string' && aVal.toLowerCase() === 'n/a') aVal = -1;
                if (typeof bVal === 'string' && bVal.toLowerCase() === 'n/a') bVal = -1;
                let modifier = this.reportSortDir === 'asc' ? 1 : -1;
                if (aVal < bVal) return -1 * modifier;
                if (aVal > bVal) return 1 * modifier;
                return 0;
            });
        }
    },
    async mounted() {
        if (typeof Chart.register === 'function' && window.ChartZoom) Chart.register(window.ChartZoom);
        moment.locale('de');
        this.fetchTabData();
    },
    methods: {
        formatStat: val => typeof val === 'number' ? val.toFixed(2) : val,
        formatUptime: s => `${Math.floor(s/(3600*24))}t ${Math.floor(s%(3600*24)/3600)}h ${Math.floor(s%3600/60)}m`,
        formatGeneralValue: item => (item.units === 's') ? parseFloat(item.value).toFixed(3) : (item.units === '%') ? parseFloat(item.value).toFixed(2) : item.value,
        getSeverityClass: s => ['sev-info', 'sev-info', 'sev-warning', 'sev-average', 'sev-high', 'sev-disaster'][s] || 'sev-info',
        getSeverityIcon: s => ['fa-info-circle', 'fa-info-circle', 'fa-exclamation-circle', 'fa-exclamation-triangle', 'fa-radiation-alt', 'fa-biohazard'][s] || 'fa-info-circle',
        async fetchTabData() {
            const tab = this.activeTab;
            if (this.loading[tab] && tab !== 'overview') return;
            this.loading[tab] = true;
            try {
                if (tab === 'overview') {
                    this.generalData = (await axios.get(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/generalData`, { params: { hostId: this.hostId } })).data;
                } else if (tab === 'interfaces' && this.allInterfaces.length === 0) {
                    this.allInterfaces = (await axios.get(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/listInterfaces`, { params: { hostId: this.hostId } })).data;
                } else if (tab === 'problems') {
                    this.problemData = (await axios.get(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/getProblems`, { params: { hostId: this.hostId } })).data;
                } else if (tab === 'configuration') {
                    this.configData = (await axios.get(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/getConfigurationData`, { params: { hostId: this.hostId } })).data;
                    if (this.configData.interfaces && Array.isArray(this.configData.interfaces)) {
                        this.configData.interfaces.forEach(iface => this.$set(iface, 'loading', false));
                    }
                } else if (tab === 'reports') {
                    await this.fetchReportData();
                }
            } catch (e) { console.error(`Failed to load data for tab ${tab}`, e); window.notify('error', `Laden von ${tab}-Daten fehlgeschlagen.`); }
            finally { this.loading[tab] = false; }
        },
        async saveSnmpConfig() {
            const detailsToSave = JSON.parse(JSON.stringify(this.configData.snmp.details));
            if (this.authPassphrase) detailsToSave.authpassphrase = this.authPassphrase;
            else delete detailsToSave.authpassphrase;
            if (this.privPassphrase) detailsToSave.privpassphrase = this.privPassphrase;
            else delete detailsToSave.privpassphrase;

            try {
                await axios.post(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/updateSnmp`, {
                    interfaceId: this.configData.snmp.interfaceid,
                    details: detailsToSave
                });
                window.notify('success', 'SNMP-Konfiguration gespeichert.');
                this.authPassphrase = '';
                this.privPassphrase = '';
            } catch(e) { window.notify('error', 'Fehler beim Speichern der SNMP-Konfiguration.'); }
        },
        async toggleInterfaceAlarm(iface) {
            this.$set(iface, 'loading', true);
            try {
                await axios.post(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/updateInterfaceAlarm`, { hostId: this.hostId, item: iface, enabled: iface.isAlarmed });
                window.notify('success', `Alarm für ${iface.name} ${iface.isAlarmed ? 'aktiviert' : 'deaktiviert'}.`);
            } catch(e) {
                window.notify('error', 'Fehler beim Ändern des Alarms.');
                iface.isAlarmed = !iface.isAlarmed;
            } finally {
                this.$set(iface, 'loading', false);
            }
        },
        async fetchReportData() {
            this.loading.reports = true;
            try {
                this.reportData = (await axios.get(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/getReportData`, { params: { hostId: this.hostId, timeRange: this.reportTimeRange } })).data;
            } catch (e) {
                window.notify('error', 'Fehler beim Laden der Report-Daten.');
            } finally {
                this.loading.reports = false;
            }
        },
        sortReport(key) {
            if (this.reportSortKey === key) {
                this.reportSortDir = this.reportSortDir === 'asc' ? 'desc' : 'asc';
            } else {
                this.reportSortKey = key;
                this.reportSortDir = 'asc';
            }
        },
        getSortIcon(key) {
            if (this.reportSortKey !== key) return 'fas fa-sort';
            return this.reportSortDir === 'asc' ? 'fas fa-sort-up' : 'fas fa-sort-down';
        },
        async handleInterfaceSelectionChange(newSelection, oldSelection) {
            const added = newSelection.filter(name => !oldSelection.includes(name));
            const removed = oldSelection.filter(name => !newSelection.includes(name));
            removed.forEach(name => {
                const iface = this.allInterfaces.find(i => i.name === name);
                if (iface) {
                    if (this.chartInstances[iface.name]) {
                        this.chartInstances[iface.name].destroy();
                        delete this.chartInstances[iface.name];
                    }
                }
            });
            for (const name of added) await this.fetchAndRenderInterface(this.allInterfaces.find(i => i.name === name));
        },
        async fetchAndRenderInterface(iface) {
            const itemIds = [iface.rx?.itemid, iface.tx?.itemid].filter(Boolean);
            if (itemIds.length === 0) return;
            this.$set(this.loading.individualInterfaces, iface.name, true);
            try {
                const res = await axios.post(`${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/interfaceData`, { itemIds, timeRange: this.interfaceTimeRange });
                this.$set(this.interfaceChartData, iface.rx?.itemid, res.data[iface.rx?.itemid] || []);
                this.$set(this.interfaceChartData, iface.tx?.itemid, res.data[iface.tx?.itemid] || []);
                this.$nextTick(() => this.renderChart(iface));
            } catch(e) { console.error(`Failed to fetch history for ${iface.name}`, e); }
            finally { this.$set(this.loading.individualInterfaces, iface.name, false); }
        },
        renderChart(iface) {
            this.$nextTick(() => {
                const canvas = this.$refs['chartCanvas-' + iface.name]?.[0];
                if (!canvas) return;
                if (this.chartInstances[iface.name]) this.chartInstances[iface.name].destroy();
                this.chartInstances[iface.name] = new Chart(canvas.getContext('2d'), { /* ... Chart options ... */ });
            });
        },
        openLiveChartPopup(iface) {
            const url = `${window.TT_CONFIG.BASE_URL}/DeviceMonitoring/liveGraphPage?rx_id=${iface.rx?.itemid || ''}&tx_id=${iface.tx?.itemid || ''}&name=${encodeURIComponent(iface.name)}`;
            window.open(url, `livegraph_${iface.name.replace(/[^a-zA-Z0-9]/g, "_")}`, 'width=800,height=450,resizable=yes,scrollbars=yes');
        },
        resetAllChartsZoom() { Object.values(this.chartInstances).forEach(chart => chart.resetZoom()); },
    },
    watch: {
        activeTab: 'fetchTabData',
        selectedInterfaces(newVal, oldVal) { this.handleInterfaceSelectionChange(newVal, oldVal); },
        interfaceTimeRange() { this.handleInterfaceSelectionChange(this.selectedInterfaces, this.selectedInterfaces); },
        dataNormalizationMode() { this.handleInterfaceSelectionChange(this.selectedInterfaces, this.selectedInterfaces); },
        reportTimeRange: 'fetchReportData'
    }
});