'use client';

import { cn } from '@/lib/utils';
import * as TabsPrimitive from '@radix-ui/react-tabs';
import { cva, type VariantProps } from 'class-variance-authority';
import * as React from 'react';

const Tabs = TabsPrimitive.Root;

/*
 * `variant` vive en TabsList y se propaga a los TabsTrigger vía contexto en
 * vez de repetir la prop en cada trigger: la variante es una decisión de la
 * lista completa, no de un tab individual.
 */
const TabsListContext = React.createContext<'line' | 'segmented'>('line');

const tabsListVariants = cva('inline-flex items-center', {
  variants: {
    variant: {
      line: 'h-11 gap-1 border-b border-border',
      segmented: 'h-11 gap-0.5 rounded-md bg-muted p-1',
    },
  },
  defaultVariants: {
    variant: 'line',
  },
});

const TabsList = React.forwardRef<
  React.ElementRef<typeof TabsPrimitive.List>,
  React.ComponentPropsWithoutRef<typeof TabsPrimitive.List> &
    VariantProps<typeof tabsListVariants>
>(({ className, variant = 'line', ...props }, ref) => (
  <TabsListContext.Provider value={variant ?? 'line'}>
    <TabsPrimitive.List
      ref={ref}
      className={cn(tabsListVariants({ variant }), className)}
      {...props}
    />
  </TabsListContext.Provider>
));
TabsList.displayName = TabsPrimitive.List.displayName;

const tabsTriggerVariants = cva(
  'inline-flex min-h-[44px] flex-1 items-center justify-center whitespace-nowrap px-3 text-sm font-medium text-muted-foreground transition-colors duration-150 ease-out disabled:pointer-events-none disabled:opacity-40 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background',
  {
    variants: {
      variant: {
        line: 'border-b-2 border-transparent data-[state=active]:border-primary data-[state=active]:text-foreground',
        segmented:
          'rounded-sm data-[state=active]:bg-surface data-[state=active]:text-foreground data-[state=active]:shadow-sm',
      },
    },
    defaultVariants: {
      variant: 'line',
    },
  }
);

const TabsTrigger = React.forwardRef<
  React.ElementRef<typeof TabsPrimitive.Trigger>,
  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Trigger>
>(({ className, ...props }, ref) => {
  const variant = React.useContext(TabsListContext);
  return (
    <TabsPrimitive.Trigger
      ref={ref}
      className={cn(tabsTriggerVariants({ variant }), className)}
      {...props}
    />
  );
});
TabsTrigger.displayName = TabsPrimitive.Trigger.displayName;

const TabsContent = React.forwardRef<
  React.ElementRef<typeof TabsPrimitive.Content>,
  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Content>
>(({ className, ...props }, ref) => (
  <TabsPrimitive.Content
    ref={ref}
    className={cn(
      'mt-3 animate-fade-in focus-visible:outline-none',
      className
    )}
    {...props}
  />
));
TabsContent.displayName = TabsPrimitive.Content.displayName;

export { Tabs, TabsList, TabsTrigger, TabsContent };