{% extends "base.html" %}

{% block title %}HappyWedding{% endblock %}

{% block content %}
  <section class="mb-4 flex flex-col gap-4 lg:flex-row lg:items-end lg:justify-between">
    <div>
      <div class="flex items-center gap-2">
        <h2 class="text-xl font-semibold text-neutral-800 dark:text-neutral-100">管理首页</h2>
        <span class="status-badge status-badge-muted">总户数 {{ stats.total_households }}</span>
      </div>
    </div>
    <div class="flex flex-wrap items-center gap-2">
      <span class="summary-metric">预计 {{ stats.total_expected_attendees }}</span>
      <span class="summary-metric">儿童 {{ stats.total_children }}</span>
      <span class="status-badge status-badge-accent">礼金 ¥{{ '%.2f'|format(stats.total_gift_amount) }}</span>
      <a class="btn btn-primary btn-sm shrink-0" href="{{ url_for('main.new_household') }}">新增一户</a>
    </div>
  </section>

  <section class="mb-3 card">
    <div class="card-body space-y-3 !p-3 sm:!p-4">
      <form action="{{ url_for('main.index') }}" method="get" class="space-y-2.5" id="admin-search-form">
        <input type="hidden" name="page" value="{{ page }}">
        <input type="hidden" name="per_page" value="{{ per_page }}">

        <div class="flex flex-col gap-2.5 xl:flex-row xl:items-center">
          <div class="xl:min-w-[20rem] xl:flex-[1.25]">
            <input class="form-input h-10" id="main-search" name="q" type="text" value="{{ search_term }}" placeholder="户主 / 成员 / 拼音 / 标签 / 备注" autocomplete="off">
          </div>

          <div class="grid flex-1 grid-cols-1 gap-2 sm:grid-cols-2 lg:grid-cols-6">
            <select id="side-filter" name="side" class="form-select">
              <option value="">所属侧：全部</option>
              {% for item in side_options %}
              <option value="{{ item }}" {% if side == item %}selected{% endif %}>所属侧：{{ household_value_label('side', item) }}</option>
            {% endfor %}
          </select>
          <select id="invite-status-filter" name="invite_status" class="form-select">
            <option value="">邀请状态：全部</option>
            {% for item in invite_status_options %}
              <option value="{{ item }}" {% if invite_status == item %}selected{% endif %}>邀请状态：{{ household_value_label('invite_status', item) }}</option>
            {% endfor %}
          </select>
          <select id="attendance-status-filter" name="attendance_status" class="form-select">
            <option value="">到场状态：全部</option>
            {% for item in attendance_status_options %}
              <option value="{{ item }}" {% if attendance_status == item %}selected{% endif %}>到场状态：{{ household_value_label('attendance_status', item) }}</option>
            {% endfor %}
          </select>
          <select id="tag-option-filter" name="tag_option_id" class="form-select">
            <option value="">标签：全部</option>
            {% for option in tag_options %}
              <option value="{{ option.id }}" {% if tag_option_id == option.id %}selected{% endif %}>标签：{{ option.option_label }}</option>
            {% endfor %}
          </select>
          <select id="sort-by" name="sort_by" class="form-select">
            {% for item in sort_field_options %}
              <option value="{{ item }}" {% if sort_by == item %}selected{% endif %}>排序字段：{{ sort_field_labels[item] }}</option>
            {% endfor %}
          </select>
            <select id="sort-order" name="sort_order" class="form-select">
              <option value="desc" {% if sort_order == 'desc' %}selected{% endif %}>排序方向：降序</option>
              <option value="asc" {% if sort_order == 'asc' %}selected{% endif %}>排序方向：升序</option>
            </select>
          </div>
        </div>

        <div class="flex flex-col gap-2 border-t border-neutral-100 pt-3 text-xs text-neutral-500 dark:border-neutral-700 dark:text-neutral-400 sm:flex-row sm:items-center sm:justify-between">
          <a class="inline-flex items-center gap-1 font-medium text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" href="{{ url_for('main.index') }}">清空筛选</a>
          <div class="flex flex-wrap items-center gap-x-2 gap-y-1.5">
            <a class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" href="{{ url_for('csv.download_household_template') }}">下载 CSV 模板</a>
            <span class="text-neutral-300 dark:text-neutral-600">·</span>
            <a class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" href="{{ url_for('csv.export_households', scope='all') }}">导出全部</a>
            <span class="text-neutral-300 dark:text-neutral-600">·</span>
            <a class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" href="{{ url_for('csv.export_households', scope='filtered', q=search_term, side=side, invite_status=invite_status, attendance_status=attendance_status, sort_by=sort_by, sort_order=sort_order, tag_option_id=tag_option_id) }}">导出当前筛选</a>
            <span class="text-neutral-300 dark:text-neutral-600">·</span>
            <a class="text-neutral-500 hover:text-neutral-700 dark:text-neutral-400 dark:hover:text-neutral-200" href="{{ url_for('csv.import_households_page') }}">导入 CSV</a>
          </div>
        </div>
      </form>
    </div>
  </section>

  {% include "main/_household_results.html" %}

  <script>
    (function () {
      const form = document.getElementById('admin-search-form');
      const resultsRegionId = 'household-results-region';
      if (!form) {
        return;
      }

      let debounceTimer = null;
      let currentRequest = null;

      function syncPaginationControlValues() {
        const perPageField = form.querySelector('input[name="per_page"]');
        const regionPerPage = document.querySelector('[data-pagination-per-page]');
        if (perPageField instanceof HTMLInputElement && regionPerPage instanceof HTMLSelectElement) {
          regionPerPage.value = perPageField.value;
        }
      }

      function setPage(value) {
        const pageField = form.querySelector('input[name="page"]');
        if (pageField instanceof HTMLInputElement) {
          pageField.value = value;
        }
      }

      function setPerPage(value) {
        const perPageField = form.querySelector('input[name="per_page"]');
        if (perPageField instanceof HTMLInputElement) {
          perPageField.value = value;
        }
      }

      function resetToFirstPage() {
        setPage('1');
      }

      function scheduleRefresh() {
        window.clearTimeout(debounceTimer);
        debounceTimer = window.setTimeout(refreshResults, 300);
      }

      async function refreshResults() {
        if (currentRequest) {
          currentRequest.abort();
        }

        const controller = new AbortController();
        currentRequest = controller;
        const params = new URLSearchParams(new FormData(form));
        params.set('partial', 'results');

        try {
          const response = await window.fetch(`${form.action}?${params.toString()}`, {
            headers: {
              'X-HW-Partial': 'results',
            },
            signal: controller.signal,
          });

          if (!response.ok) {
            throw new Error(`unexpected status ${response.status}`);
          }

          const html = await response.text();
          const parser = new DOMParser();
          const documentFragment = parser.parseFromString(html, 'text/html');
          const newRegion = documentFragment.getElementById(resultsRegionId);
          const currentRegion = document.getElementById(resultsRegionId);
          if (!newRegion || !currentRegion) {
            return;
          }

          currentRegion.replaceWith(newRegion);
          syncPaginationControlValues();
          const newUrl = `${form.action}?${new URLSearchParams(new FormData(form)).toString()}`;
          window.history.replaceState({}, '', newUrl);
        } catch (error) {
          if (error instanceof DOMException && error.name === 'AbortError') {
            return;
          }
          window.console.error('Admin live refresh failed', error);
        } finally {
          if (currentRequest === controller) {
            currentRequest = null;
          }
        }
      }

      form.querySelectorAll('input, select').forEach(function (field) {
        if (field instanceof HTMLInputElement && field.type === 'hidden') {
          return;
        }

        const eventName = field.tagName === 'SELECT' ? 'change' : 'input';
        field.addEventListener(eventName, function () {
          resetToFirstPage();
          scheduleRefresh();
        });
      });

      document.addEventListener('click', function (event) {
        const target = event.target instanceof Element ? event.target.closest('[data-pagination-page]') : null;
        if (!target) {
          return;
        }

        event.preventDefault();
        const pageValue = target.getAttribute('data-pagination-page');
        if (!pageValue) {
          return;
        }

        setPage(pageValue);
        void refreshResults();
      });

      document.addEventListener('change', function (event) {
        const target = event.target;
        if (!(target instanceof HTMLSelectElement) || !target.matches('[data-pagination-per-page]')) {
          return;
        }

        setPerPage(target.value);
        resetToFirstPage();
        void refreshResults();
      });

      syncPaginationControlValues();
    }());
  </script>
{% endblock %}