<template>
  <div>
    <div class="page-header">
      <h2>3D Printed Parts</h2>
      <div class="header-actions">
        <router-link to="/print/printedparts-labels" class="btn btn-secondary">
          Print Labels
        </router-link>
        <router-link to="/printedparts/new" class="btn btn-primary">Add Part</router-link>
      </div>
    </div>

    <div class="filters">
      <input
        v-model="search"
        type="text"
        class="form-control"
        placeholder="Search code, name, description, bin..."
        @input="debouncedSearch"
      />
      <label class="lowstock-filter">
        <input v-model="lowstockOnly" type="checkbox" @change="applyFilter" />
        Low stock only
      </label>
      <label class="lowstock-filter">
        <input v-model="includeRetired" type="checkbox" @change="applyFilter" />
        Include retired
      </label>
    </div>

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

      <template v-else>
        <div class="table-container">
          <table>
            <thead>
              <tr>
                <th></th>
                <th>Gage Lab Tag</th>
                <th>Name</th>
                <th>Quantity</th>
                <th>Bin</th>
                <th>Description</th>
              </tr>
            </thead>
            <tbody>
              <tr
                v-for="item in items"
                :key="item.printeditemid"
                class="clickable-row"
                @click="$router.push(`/printedparts/${item.printeditemid}`)"
              >
                <td class="thumb-cell">
                  <img
                    v-if="item.imageurl"
                    :src="withBase(item.imageurl)"
                    :alt="item.itemname"
                    class="item-thumb"
                  />
                </td>
                <td>{{ item.gagelabtag || item.itemcode || '-' }}</td>
                <td>
                  {{ item.itemname }}
                  <span v-if="!item.isactive" class="badge badge-secondary">Retired</span>
                </td>
                <td>
                  <span :class="['badge', item.islowstock ? 'badge-danger' : 'badge-success']">
                    {{ item.quantityonhand }}
                  </span>
                </td>
                <td>{{ item.binlocation || '-' }}</td>
                <td class="truncate-cell">{{ item.itemdescription || '-' }}</td>
              </tr>
              <tr v-if="items.length === 0">
                <td colspan="6" class="empty-state">No printed parts found</td>
              </tr>
            </tbody>
          </table>
        </div>

        <PaginationBar
          :page="page"
          :total-pages="totalPages"
          @change="setPage"
        />
      </template>
    </div>
  </div>
</template>

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

const items = ref([])
const loading = ref(true)
const lowstockOnly = ref(false)
const includeRetired = ref(false)
const { page, search, setPage, setSearch } = useListQuery({ onChange: loadItems })
const totalPages = ref(1)
const perPage = ref(20)

let searchTimeout = null

onMounted(loadItems)

// A filter change must go back to page 1. Selecting a filter while on page 5
// asked the server for page 5 of a result set that now has one page, and the
// list came back empty as though the filter matched nothing.
//
// setPage(1) writes the URL, which the composable's watcher picks up and
// answers with onChange - so calling the loader as well would fetch twice.
// Load directly only when already on page 1, where nothing changes and the
// watcher stays silent.
function applyFilter() {
  if (page.value > 1) setPage(1)
  else loadItems()
}

async function loadItems() {
  loading.value = true
  try {
    const params = { page: page.value, perpage: perPage.value }
    if (search.value) params.search = search.value
    if (lowstockOnly.value) params.lowstock = 'true'
    if (includeRetired.value) params.active = 'false'
    const response = await printedpartsApi.list(params)
    items.value = response.data.data || []
    totalPages.value = response.data.meta?.pagination?.totalpages || 1
  } catch (error) {
    console.error('Error loading printed parts:', error)
  } finally {
    loading.value = false
  }
}

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

<style scoped>
.item-thumb {
  width: 2.2rem;
  height: 2.2rem;
  object-fit: cover;
  border-radius: 0.25rem;
}
.thumb-cell { width: 3rem; }
.truncate-cell {
  max-width: 20rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.header-actions { display: flex; gap: 0.5rem; }
.lowstock-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-light);
  cursor: pointer;
}
</style>
