<template>
  <div>
    <div class="page-header">
      <h2>Computers</h2>
      <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 #</th>
                <th>Hostname</th>
                <th>Serial Number</th>
                <th>Type</th>
                <th>Features</th>
                <th>Status</th>
                <th>Location</th>
                <th>Actions</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="item in computers" :key="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">
                  <span v-if="item.computer?.isvnc" class="feature-tag active">VNC</span>
                  <span v-if="item.computer?.iswinrm" class="feature-tag active">WinRM</span>
                  <span v-if="!item.computer?.isvnc && !item.computer?.iswinrm">-</span>
                </td>
                <td>
                  <span class="badge" :class="getStatusClass(item.statusname)">
                    {{ item.statusname || 'Unknown' }}
                  </span>
                </td>
                <td>{{ item.locationname || '-' }}</td>
                <td class="actions">
                  <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'

const computers = ref([])
const loading = ref(true)
const search = ref('')
const page = ref(1)
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(() => {
    page.value = 1
    loadComputers()
  }, 300)
}

function goToPage(p) {
  page.value = p
  loadComputers()
}

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

function getStatusClass(status) {
  if (!status) return 'badge-info'
  const s = status.toLowerCase()
  if (s === 'in use' || s === 'active') return 'badge-success'
  if (s === 'in repair') return 'badge-warning'
  if (s === 'retired') return 'badge-danger'
  return 'badge-info'
}
</script>

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

.features {
  display: flex;
  gap: 0.375rem;
}

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

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

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