"use client";

import * as React from "react";
import { cn } from "@/lib/utils";

interface TabsProps extends React.HTMLAttributes<HTMLDivElement> {
  defaultValue?: string;
  value?: string;
  onValueChange?: (value: string) => void;
}

interface TabsListProps extends React.HTMLAttributes<HTMLDivElement> {}

interface TabsTriggerProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
  value: string;
}

interface TabsContentProps extends React.HTMLAttributes<HTMLDivElement> {
  value: string;
}

const TabsContext = React.createContext<{
  value: string;
  onValueChange: (value: string) => void;
} | null>(null);

const Tabs = React.forwardRef<HTMLDivElement, TabsProps>(
  ({ className, defaultValue, value, onValueChange, children, ...props }, ref) => {
    const [selectedValue, setSelectedValue] = React.useState(value || defaultValue || "");

    const handleValueChange = React.useCallback(
      (newValue: string) => {
        if (value === undefined) {
          setSelectedValue(newValue);
        }
        onValueChange?.(newValue);
      },
      [value, onValueChange]
    );

    const contextValue = React.useMemo(
      () => ({
        value: value ?? selectedValue,
        onValueChange: handleValueChange,
      }),
      [value, selectedValue, handleValueChange]
    );

    return (
      <TabsContext.Provider value={contextValue}>
        <div ref={ref} className={cn("w-full", className)} {...props}>
          {children}
        </div>
      </TabsContext.Provider>
    );
  }
);
Tabs.displayName = "Tabs";

const TabsList = React.forwardRef<HTMLDivElement, TabsListProps>(({ className, ...props }, ref) => (
  <div
    ref={ref}
    className={cn(
      "inline-flex h-10 items-center justify-center rounded-md bg-muted/80 backdrop-blur-md p-1 text-muted-foreground",
      className
    )}
    {...props}
  />
));
TabsList.displayName = "TabsList";

const TabsTrigger = React.forwardRef<HTMLButtonElement, TabsTriggerProps>(
  ({ className, value, ...props }, ref) => {
    const context = React.useContext(TabsContext);
    if (!context) {
      throw new Error("TabsTrigger must be used within a Tabs component");
    }

    const { value: selectedValue, onValueChange } = context;
    const isSelected = selectedValue === value;

    return (
      <button
        ref={ref}
        type="button"
        role="tab"
        aria-selected={isSelected}
        className={cn(
          "inline-flex items-center justify-center whitespace-nowrap rounded-sm px-3 py-1.5 text-sm font-medium ring-offset-background transition-all focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
          isSelected && "bg-background/90 backdrop-blur-md text-foreground shadow-sm",
          className
        )}
        onClick={() => onValueChange(value)}
        {...props}
      />
    );
  }
);
TabsTrigger.displayName = "TabsTrigger";

const TabsContent = React.forwardRef<HTMLDivElement, TabsContentProps>(
  ({ className, value, children, ...props }, ref) => {
    const context = React.useContext(TabsContext);
    if (!context) {
      throw new Error("TabsContent must be used within a Tabs component");
    }

    const { value: selectedValue } = context;
    const isSelected = selectedValue === value;

    if (!isSelected) return null;

    return (
      <div
        ref={ref}
        role="tabpanel"
        className={cn(
          "mt-2 ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
          className
        )}
        {...props}
      >
        {children}
      </div>
    );
  }
);
TabsContent.displayName = "TabsContent";

export { Tabs, TabsList, TabsTrigger, TabsContent };
