// widgets/ds/m_search_row.dart — 移动搜索行（镜像原型 m-stock-*-list 搜索区终态）：
// 搜索框(.m-search 42h, flex) + 纯文字状态钮（选中转 primary）+ 图标详细搜索钮（激活转 primary）。
// 状态/详搜钮为可选；不传对应回调即不渲染（如库存屏只有搜索框）。
import 'package:flutter/material.dart';
import 'package:lucide_icons_flutter/lucide_icons.dart';

import '../../core/theme/app_dims.g.dart';
import '../../core/theme/context_tokens.dart';

class MSearchRow extends StatelessWidget {
  final TextEditingController? controller;
  final String hint;
  final ValueChanged<String>? onChanged;
  final ValueChanged<String>? onSubmitted;

  /// 状态筛选钮当前文案（如「全部」「待审核」）；null 不渲染该钮。
  final String? statusLabel;

  /// 状态钮是否处于筛选中（非「全部」）→ primary 高亮。
  final bool statusActive;
  final VoidCallback? onStatusTap;

  /// 详细搜索钮是否有生效条件 → primary 高亮；[onFilterTap] null 不渲染该钮。
  final bool filterActive;
  final VoidCallback? onFilterTap;

  const MSearchRow({
    super.key,
    this.controller,
    this.hint = '',
    this.onChanged,
    this.onSubmitted,
    this.statusLabel,
    this.statusActive = false,
    this.onStatusTap,
    this.filterActive = false,
    this.onFilterTap,
  });

  @override
  Widget build(BuildContext context) {
    final t = context.tokens;
    return Row(children: [
      // .m-search：42h / surface / border / r-md / 放大镜 17
      // Material 自带（TextField 需 Material 祖先 + golden 直挂无 Scaffold 场景）
      Expanded(
        child: Material(
          color: t.surface,
          shape: RoundedRectangleBorder(
            side: BorderSide(color: t.border),
            borderRadius: BorderRadius.circular(AppDims.rMd),
          ),
          child: Container(
            height: 42,
            padding: const EdgeInsets.symmetric(horizontal: 12),
            child: Row(children: [
            Icon(LucideIcons.search, size: 17, color: t.muted),
            const SizedBox(width: 8),
            Expanded(
              child: TextField(
                controller: controller,
                onChanged: onChanged,
                onSubmitted: onSubmitted,
                style: TextStyle(fontSize: AppDims.fsBody, color: t.text),
                decoration: InputDecoration(
                  isCollapsed: true,
                  contentPadding: EdgeInsets.zero,
                  border: InputBorder.none,
                  enabledBorder: InputBorder.none,
                  focusedBorder: InputBorder.none,
                  filled: false,
                  hintText: hint,
                  hintStyle:
                      TextStyle(fontSize: AppDims.fsBody, color: t.faint),
                ),
              ),
            ),
            if (controller != null)
              ValueListenableBuilder<TextEditingValue>(
                valueListenable: controller!,
                builder: (context, value, _) {
                  if (value.text.isEmpty) return const SizedBox.shrink();
                  return GestureDetector(
                    behavior: HitTestBehavior.opaque,
                    onTap: () {
                      controller!.clear();
                      onChanged?.call('');
                      onSubmitted?.call('');
                    },
                    child: Padding(
                      padding: const EdgeInsets.only(left: 6),
                      child: Icon(LucideIcons.x, size: 15, color: t.muted),
                    ),
                  );
                },
              ),
            ]),
          ),
        ),
      ),
      // 状态筛选钮（纯文字，无箭头；筛选中转 primary）
      if (statusLabel != null) ...[
        const SizedBox(width: 8),
        _pillBtn(
          t,
          active: statusActive,
          onTap: onStatusTap,
          child: Text(statusLabel!,
              style: TextStyle(
                  fontSize: AppDims.fsBody,
                  fontWeight: statusActive ? FontWeight.w600 : FontWeight.w500,
                  color: statusActive ? t.primary : t.text)),
        ),
      ],
      // 详细搜索钮（图标；有生效条件转 primary）
      if (onFilterTap != null) ...[
        const SizedBox(width: 8),
        _pillBtn(
          t,
          active: filterActive,
          onTap: onFilterTap,
          child: Icon(LucideIcons.listFilter,
              size: 18, color: filterActive ? t.primary : t.text),
        ),
      ],
    ]);
  }

  Widget _pillBtn(dynamic t,
      {required bool active, VoidCallback? onTap, required Widget child}) {
    // Material 自带（InkWell 水波 + golden 直挂无 Scaffold 场景）
    return Material(
      color: active ? t.brand50 : t.surface,
      borderRadius: BorderRadius.circular(AppDims.rMd),
      child: InkWell(
        onTap: onTap,
        borderRadius: BorderRadius.circular(AppDims.rMd),
        child: Container(
          height: 42,
          padding: const EdgeInsets.symmetric(horizontal: 13),
          alignment: Alignment.center,
          decoration: BoxDecoration(
            border: Border.all(color: active ? t.primary : t.border),
            borderRadius: BorderRadius.circular(AppDims.rMd),
          ),
          child: child,
        ),
      ),
    );
  }
}