'use client';

/**
 * 🔴 层级约定(2026-08-03,踩坑后定):**浮层 z ≥ 70,模态 z ≥ 80**。
 *
 * 助手窗是 `fixed z-[60]`(pet fab 61、数据流粒子 62)。shadcn 默认给浮层 `z-50` ——
 * 于是**任何在助手窗里打开的浮层都渲染在它底下**:
 *   · Select/Popover 类:点了有反应(DOM 里 listbox 确实打开),但一个选项都看不见;
 *   · Dialog/AlertDialog 类更糟:Radix 会给 body 设 `pointer-events:none`,
 *     弹窗看不见、整页却已经被锁住 —— 用户看到的就是**卡死**。
 * ⚠️ 这类错**不报任何错**,只能实测发现。⛔ 别把 z 调回 50。
 */
import * as React from 'react';
import * as SelectPrimitive from '@radix-ui/react-select';
import { Check, ChevronDown } from 'lucide-react';
import { cn } from '@/lib/utils';

/**
 * 下拉选择 — Select + SelectTrigger/SelectValue/SelectContent/SelectItem 组合。
 * @category forms
 */
const Select = SelectPrimitive.Root;
const SelectGroup = SelectPrimitive.Group;
const SelectValue = SelectPrimitive.Value;

const SelectTrigger = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Trigger>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger>
>(({ className, children, ...props }, ref) => (
  <SelectPrimitive.Trigger
    ref={ref}
    className={cn(
      'flex h-9 w-full items-center justify-between whitespace-nowrap rounded-md border border-input bg-transparent px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus:outline-none focus:ring-1 focus:ring-ring disabled:cursor-not-allowed disabled:opacity-50 [&>span]:line-clamp-1',
      className,
    )}
    {...props}
  >
    {children}
    <SelectPrimitive.Icon asChild>
      <ChevronDown className="h-4 w-4 opacity-50" />
    </SelectPrimitive.Icon>
  </SelectPrimitive.Trigger>
));
SelectTrigger.displayName = SelectPrimitive.Trigger.displayName;

const SelectContent = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Content>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Content>
>(({ className, children, position = 'popper', ...props }, ref) => (
  <SelectPrimitive.Portal>
    <SelectPrimitive.Content
      ref={ref}
      className={cn(
        'relative z-[70] max-h-96 min-w-[8rem] overflow-hidden rounded-md border bg-popover text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95',
        position === 'popper' &&
          'data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1',
        className,
      )}
      position={position}
      {...props}
    >
      <SelectPrimitive.Viewport
        className={cn(
          'p-1',
          position === 'popper' && 'h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]',
        )}
      >
        {children}
      </SelectPrimitive.Viewport>
    </SelectPrimitive.Content>
  </SelectPrimitive.Portal>
));
SelectContent.displayName = SelectPrimitive.Content.displayName;

const SelectItem = React.forwardRef<
  React.ElementRef<typeof SelectPrimitive.Item>,
  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Item>
>(({ className, children, ...props }, ref) => (
  <SelectPrimitive.Item
    ref={ref}
    className={cn(
      'relative flex w-full cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50',
      className,
    )}
    {...props}
  >
    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
      <SelectPrimitive.ItemIndicator>
        <Check className="h-4 w-4" />
      </SelectPrimitive.ItemIndicator>
    </span>
    <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
  </SelectPrimitive.Item>
));
SelectItem.displayName = SelectPrimitive.Item.displayName;

export { Select, SelectGroup, SelectValue, SelectTrigger, SelectContent, SelectItem };
