/* ===== RadiusUnused.js (Vue 3 + TT-Core) ===== */

const RadiusUnusedUsers = {
    name: 'RadiusUnusedUsers',
    template: `
      <div class="tt-scope">
        <div style="display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; margin-bottom: 12px;">
          <div class="cluster">
            <button
              v-for="f in filters"
              :key="f.id"
              class="tab-btn"
              :class="{active: activeFilter === f.id}"
              @click="setFilter(f.id)"
              :disabled="isLoading || !users.length">
              <i :class="f.icon"></i> {{f.name}}
            </button>
          </div>
          <button class="ghost-btn" @click="fetchUnusedUsers" :disabled="isLoading" style="min-width: 120px;">
            <span v-if="!isLoading"><i class="fa-duotone fa-rotate-right"></i> Neu laden</span>
            <span v-else class="btn-loader"></span>
          </button>
        </div>
        <div class="results-container">
          <tt-data-table
            :items="visibleFilteredUsers"
            :is-loading="isLoading"
            :has-searched="hasSearched"
            initial-placeholder-icon="fa-duotone fa-play-circle"
            initial-placeholder-text="Klicken Sie auf 'Neu laden', um nach inaktiven Benutzern zu suchen."
            no-results-placeholder-text="Keine Treffer für den aktuellen Filter gefunden."
          >
            <template #loading-placeholder>
              <div class="table-placeholder">
                <i class="fa-duotone fa-hourglass-half animated-hourglass" style="font-size: 36px; margin-bottom: 10px; color: var(--brand-blue);"></i>
                <div>Die Abfrage läuft...</div>
                <div class="muted small">Dies kann einen Moment dauern, da große Datenmengen analysiert werden.</div>
              </div>
            </template>
            <template #head>
              <thead>
                <tr>
                  <th style="width: 130px;">Kundennummer</th>
                  <th style="width: 170px;">Username</th>
                  <th style="width: 170px;">Letzter Login</th>
                  <th>Info</th>
                  <th style="width: 100px; text-align: right;">Sessions</th>
                  <th style="width: 150px; text-align: right;">Dauer</th>
                  <th style="width: 150px; text-align: right;">Traffic</th>
                </tr>
              </thead>
            </template>
            <template #skeleton-row>
              <td><tt-skeleton /></td>
              <td><tt-skeleton /></td>
              <td><tt-skeleton /></td>
              <td><tt-skeleton /></td>
              <td><tt-skeleton /></td>
              <td><tt-skeleton /></td>
              <td><tt-skeleton /></td>
            </template>
            <template #row="{ item }">
              <td>
                <a v-if="item.customerNumber" class="link" target="_blank"
                  :href="window.TT_CONFIG.BASE_PATH + '/Address?filter%5Bcustomer_number%5D=' + item.customerNumber"
                  data-tooltip="Kunden öffnen"
                  data-tooltip-align="right">{{ item.customerNumber }}</a>
              </td>
              <td class="nowrap">
                <a class="link" target="_blank"
                  :href="'http://radius.xinon.at/edit_user.php?user=' + item.username"
                  data-tooltip="User in Radius öffnen">{{ item.username }}</a>
              </td>
              <td class="mono small">{{ item.lastLogin }}</td>
              <td class="mono clamp-2 small">{{ item.info }}</td>
              <td style="text-align: right;">{{ item.totalSessions }}</td>
              <td style="text-align: right;">{{ window.TT_CORE.formatDuration(item.totalDurationSeconds) }}</td>
              <td style="text-align: right;">{{ window.TT_CORE.formatBytes(item.totalTrafficBytes) }}</td>
            </template>
            <template #observer>
              <div ref="sentinel" style="height: 1px;"></div>
            </template>
          </tt-data-table>
          <div v-if="hasSearched && !isLoading && filteredUsers.length" class="results-summary">
            {{ filteredUsers.length }} Treffer gefunden
          </div>
        </div>
      </div>
    `,
    data: () => ({
        users: [],
        isLoading: false,
        _initialized: false,
        hasSearched: false,
        window: window,
        visibleCount: 50,
        observer: null,
        activeFilter: 'all',
        filters: [
            {id: 'all', name:'Alle', icon:'fa-duotone fa-globe'},
            {id:'nat', name:'NAT*', icon:'fa-duotone fa-users'},
            {id:'st', name:'ST*', icon:'fa-duotone fa-server'},
            {id:'stf', name:'STF*', icon:'fa-duotone fa-id-card-clip'}
        ]
    }),
    computed: {
        filteredUsers() {
            return this.activeFilter === 'all'
                ? this.users
                : this.users.filter(u => u.username && u.username.startsWith(this.activeFilter));
        },
        visibleFilteredUsers() {
            return this.filteredUsers.slice(0, this.visibleCount);
        }
    },
    mounted() {
        this.observer = new IntersectionObserver(([e]) => {
            if (e && e.isIntersecting) this.loadMore();
        }, { root: this.$refs.tableWrap, threshold: 0.1 });
        if (this.$refs.sentinel) this.observer.observe(this.$refs.sentinel);
    },
    beforeUnmount() {
        if (this.observer) this.observer.disconnect();
    },
    updated() {
        if (this.observer && this.$refs.sentinel) {
            this.observer.disconnect();
            this.observer.observe(this.$refs.sentinel);
        }
    },
    methods: {
        initIfNeeded() {
            if (this._initialized) return;
            this._initialized = true;
        },
        setFilter(filter) {
            this.activeFilter = filter;
            this.visibleCount = 50;
        },
        async fetchUnusedUsers() {
            this.isLoading = true;
            this.hasSearched = true;
            this.visibleCount = 50;
            this.users = [];
            try {
                const { data } = await axios.get(`${window.TT_CONFIG.BASE_PATH}/Radius/proxyUnsecureHTTPRequestToRadius`, {
                    params: { action2: 'reportUnused' }
                });
                this.users = data || [];
            } catch (error) {
                console.error("Failed to fetch unused users:", error);
                this.users = [];
            }
            this.isLoading = false;
        },
        loadMore() {
            if (this.visibleCount < this.filteredUsers.length) this.visibleCount += 50;
        }
    }
};

// Register component with Vue 3 app
if (window.VueApp) {
    window.VueApp.component('radius-unused-users', RadiusUnusedUsers);
}