<template>
  <div>
    <div class="page-header">
      <h2>Measuring Tools</h2>
      <router-link to="/measuringtools/new" class="btn btn-primary">Add Measuring Tool</router-link>
    </div>

    <!-- Filters -->
    <div class="filters">
      <input
        v-model="search"
        type="text"
        class="form-control"
        placeholder="Search measuring tools..."
        @input="debouncedSearch"
      />
      <select v-model="typeid" class="form-control" @change="reload">
        <option value="">All types</option>
        <option v-for="t in types" :key="t.measuringtooltypeid" :value="t.measuringtooltypeid">
          {{ t.name }}
        </option>
      </select>
      <select v-model="calibrationstatus" class="form-control" @change="reload">
        <option value="">All calibration statuses</option>
        <option value="overdue">Overdue</option>
        <option value="duesoon">Due soon</option>
        <option value="current">Current</option>
        <option value="unknown">Unknown</option>
      </select>
    </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>Name</th>
                <th>Serial Number</th>
                <th>Type</th>
                <th>Next Calibration</th>
                <th>Calibration</th>
                <th>Location</th>
                <th>Actions</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="item in tools" :key="item.assetid">
                <td>{{ item.assetnumber }}</td>
                <td>{{ item.name || '-' }}</td>
                <td class="mono">{{ item.serialnumber || '-' }}</td>
                <td>{{ item.measuringtool?.measuringtooltypename || '-' }}</td>
                <td>{{ item.measuringtool?.nextcalibrationdate ? formatDate(item.measuringtool.nextcalibrationdate) : '-' }}</td>
                <td>
                  <span class="badge" :style="colorStyle(item.measuringtool?.calibrationstatuscolor)">
                    {{ statusLabel(item.measuringtool?.calibrationstatus) }}
                  </span>
                </td>
                <td>{{ item.locationname || '-' }}</td>
                <td class="actions">
                  <router-link
                    :to="`/measuringtools/${item.measuringtool?.measuringtoolid || item.assetid}`"
                    class="btn btn-secondary btn-sm"
                  >
                    View
                  </router-link>
                </td>
              </tr>
              <tr v-if="tools.length === 0">
                <td colspan="8" style="text-align: center; color: var(--text-light);">
                  No measuring tools found
                </td>
              </tr>
            </tbody>
          </table>
        </div>

        <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 { colorStyle } from '@/utils/colorStyle'
import { measuringtoolsApi } from '../../api'
import PaginationBar from '../../components/PaginationBar.vue'

const tools = ref([])
const types = ref([])
const loading = ref(true)
const search = ref('')
const typeid = ref('')
const calibrationstatus = ref('')
const page = ref(1)
const totalPages = ref(1)
const perPage = ref(20)

let searchTimeout = null

const STATUS_LABELS = { overdue: 'Overdue', duesoon: 'Due Soon', current: 'Current', unknown: 'Unknown' }
function statusLabel(status) { return STATUS_LABELS[status] || 'Unknown' }
function formatDate(d) { return new Date(d + 'T00:00:00').toLocaleDateString() }

onMounted(async () => {
  try {
    const typesResponse = await measuringtoolsApi.types.list({ perpage: 200 })
    types.value = typesResponse.data.data || []
  } catch (err) {
    console.error('Error loading types:', err)
  }
  loadTools()
})

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

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

function reload() {
  page.value = 1
  loadTools()
}

function debouncedSearch() {
  clearTimeout(searchTimeout)
  searchTimeout = setTimeout(reload, 300)
}

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

function changePerPage(newPerPage) {
  perPage.value = newPerPage
  page.value = 1
  loadTools()
}
</script>

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