<template>
  <div>
    <div class="page-header">
      <h2>Computers</h2>
      <router-link to="/print/asset-label-batch/computer" class="btn btn-secondary" target="_blank">Print Labels</router-link>
      <router-link to="/pcs/new" class="btn btn-primary">Add Computer</router-link>
    </div>

    <!-- Filters -->
    <div class="filters">
      <input
        v-model="search"
        type="text"
        class="form-control"
        placeholder="Search computers..."
        @input="debouncedSearch"
      />
    </div>

    <div class="card">
      <div v-if="loading" class="loading">Loading...</div>

      <template v-else>
        <div class="table-container">
          <table>
            <thead>
              <tr>
                <th>Asset Tag</th>
                <th>Hostname</th>
                <th>Serial Number</th>
                <th>Type</th>
                <th>Remote Access</th>
                <th>Status</th>
                <th>Location</th>
                <th>Actions</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="item in computers" :key="item.assetid" class="clickable-row" @click="$router.push(`/pcs/${item.computer?.computerid || item.assetid}`)">
                <td>{{ item.assetnumber }}</td>
                <td>{{ item.computer?.hostname || '-' }}</td>
                <td class="mono">{{ item.serialnumber || '-' }}</td>
                <td>{{ item.computer?.computertypename || '-' }}</td>
                <td class="features">
                  <template v-for="a in (item.accessmethods || [])" :key="a.id">
                    <a v-if="a.link" :href="a.link" class="access-link" :title="a.link" @click.stop>{{ a.name }}</a>
                    <span v-else class="access-link disabled" title="No hostname/IP set">{{ a.name }}</span>
                  </template>
                  <span v-if="!(item.accessmethods || []).length">-</span>
                </td>
                <td>
                  <span class="badge" :style="colorStyle(item.statuscolor)">
                    {{ item.statusname || 'Unknown' }}
                  </span>
                </td>
                <td>{{ item.locationname || '-' }}</td>
                <td class="actions" @click.stop>
                  <router-link
                    :to="`/pcs/${item.computer?.computerid || item.assetid}`"
                    class="btn btn-secondary btn-sm"
                  >
                    View
                  </router-link>
                </td>
              </tr>
              <tr v-if="computers.length === 0">
                <td colspan="8" style="text-align: center; color: var(--text-light);">
                  No computers found
                </td>
              </tr>
            </tbody>
          </table>
        </div>

        <!-- Pagination -->
        <PaginationBar
          :page="page"
          :totalPages="totalPages"
          :perPage="perPage"
          @update:page="goToPage"
          @update:perPage="changePerPage"
        />
      </template>
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted } from 'vue'
import { computersApi } from '@/api'
import PaginationBar from '@/components/PaginationBar.vue'
import { colorStyle } from '@/utils/colorStyle'
import { useListQuery } from '@/composables/listQuery'

const computers = ref([])
const loading = ref(true)
const { page, search, setPage, setSearch } = useListQuery({ onChange: loadComputers })
const totalPages = ref(1)
const perPage = ref(20)

let searchTimeout = null

onMounted(() => {
  loadComputers()
})

async function loadComputers() {
  loading.value = true
  try {
    const params = {
      page: page.value,
      perpage: perPage.value
    }
    if (search.value) params.search = search.value

    const response = await computersApi.list(params)
    computers.value = response.data.data || []
    totalPages.value = response.data.meta?.pagination?.totalpages || response.data.meta?.pagination?.total_pages || 1
  } catch (error) {
    console.error('Error loading computers:', error)
  } finally {
    loading.value = false
  }
}

function debouncedSearch() {
  clearTimeout(searchTimeout)
  searchTimeout = setTimeout(() => {
    setSearch(search.value)
    loadComputers()
  }, 300)
}

function goToPage(p) {
  setPage(p)
  loadComputers()
}

function changePerPage(newPerPage) {
  perPage.value = newPerPage
  setPage(1)
  loadComputers()
}

</script>

<style scoped>
.access-link {
  display: inline-block;
  padding: 2px 10px;
  margin: 0 4px 3px 0;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
}
.access-link:hover {
  background: var(--primary-dark);
  text-decoration: none;
}
.access-link.disabled {
  background: var(--secondary);
  opacity: 0.5;
  cursor: not-allowed;
}

.mono {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* keep the cell as a table-cell; flex on a <td> strips table-cell layout and
   offsets the row. lay tags out inline instead. */
.features {
  white-space: nowrap;
}

.feature-tag {
  display: inline-block;
  margin-right: 0.375rem;
  padding: 0.3rem 0.625rem;
  font-size: 0.875rem;
  border-radius: 5px;
  background: var(--bg);
  color: var(--text-light);
}

.feature-tag:last-child {
  margin-right: 0;
}

/* the global .actions rule is inline-flex, which also breaks table-cell
   alignment when applied straight on a <td>; pin it back to a cell here. */
td.actions {
  display: table-cell;
  vertical-align: middle;
}

.feature-tag.active {
  background: #e3f2fd;
  color: #1976d2;
}

@media (prefers-color-scheme: dark) {
  .feature-tag.active {
    background: #1e3a5f;
    color: #60a5fa;
  }
}
</style>
