"use client";

import React from "react";
import { FeatherCircleDashed } from "@subframe/core";
import * as SubframeCore from "@subframe/core";
import * as SubframeUtils from "../../utils";
import { useSidebarHoverSweep } from "../../sidebar-hover-sweep";

export interface NavItemProps extends React.HTMLAttributes<HTMLDivElement> {
  icon?: React.ReactNode;
  children?: React.ReactNode;
  selected?: boolean;
  variant?: "icon-and-text" | "icon-only";
  className?: string;
}

const NavItem = React.forwardRef<HTMLDivElement, NavItemProps>(function NavItem(
  { icon = <FeatherCircleDashed />, children, selected = false, variant = "icon-and-text", className, ...otherProps }: NavItemProps,
  ref
) {
  return (
    <div
      className={SubframeUtils.twClassNames(
        // @subframe/sync-disable -- local fix: keep the item left-anchored in both states (no items-center flip on collapse) so the icon rail does not jump horizontally.
        "group/7aa51c7e flex w-full cursor-pointer flex-col items-start gap-1 pt-2",
        className
      )}
      ref={ref}
      data-sidebar-hover-item="true"
      {...otherProps}
    >
      {/* @subframe/sync-disable -- local fix: no items-center flip on collapse; the icon column stays put. */}
      <div className={SubframeUtils.twClassNames("flex w-full flex-col items-start gap-2")}>
        <div
          className={SubframeUtils.twClassNames(
            // @subframe/sync-disable -- local fix: constant left-anchored 32px icon column in BOTH states; only the label column (1fr) collapses with the animating width so the icon never shifts horizontally.
            // @subframe/sync-disable -- local fix: deliberately without `will-change`, for the same reason as the app sidebar and the chat list rows: a permanent compositing layer turns the label's antialiasing greyscale and leaves it looking faded at rest.
            // @subframe/sync-disable -- local fix: `scale` is only a transitioned property while the row is lifted, so it drops back the instant the pointer leaves instead of easing down behind the cursor. Same as the app sidebar rail.
            "group-hover/7aa51c7e:bg-surface-neutral-tertiary pointer-events-none grid h-8 w-full origin-center scale-100 grid-cols-[32px_minmax(0,1fr)] items-center rounded-md pr-2 transition-[background-color] duration-150 ease-[cubic-bezier(0.4,0,0.2,1)] group-hover/7aa51c7e:scale-[1.04] group-hover/7aa51c7e:transition-[background-color,scale] data-[sidebar-sweep-hover=true]:scale-[1.04] data-[sidebar-sweep-hover=true]:transition-[background-color,scale] motion-reduce:transition-none",
            {
              "bg-surface-neutral-tertiary group-hover/7aa51c7e:bg-surface-neutral-modal group-active/7aa51c7e:bg-surface-neutral-tertiary": selected,
            }
          )}
          data-slot="inner-sidebar-nav-item-surface"
          data-sidebar-hover-surface="true"
        >
          {icon ? (
            <SubframeCore.IconWrapper className="text-body-default-semibold-0 font-body-default-semibold-0 text-icon-neutral-primary group-active/7aa51c7e:text-icon-neutral-on-subtle col-start-1 inline-flex h-5 w-5 flex-none items-center justify-center justify-self-center leading-none [&>svg]:h-5 [&>svg]:max-h-5 [&>svg]:w-5 [&>svg]:max-w-5">
              {icon}
            </SubframeCore.IconWrapper>
          ) : null}
          {children ? (
            <span
              className={SubframeUtils.twClassNames(
                "text-body-small-regular-0 font-body-small-regular-0 text-text-neutral-secondary group-active/7aa51c7e:text-text-neutral-on-subtle col-start-2 min-w-0 truncate overflow-hidden whitespace-nowrap opacity-100 transition-[opacity] duration-150 ease-[cubic-bezier(0.22,1,0.36,1)]",
                {
                  hidden: variant === "icon-only",
                  "text-text-neutral-on-subtle": selected,
                }
              )}
            >
              {children}
            </span>
          ) : null}
        </div>
      </div>
    </div>
  );
});

export interface NavSectionProps extends React.HTMLAttributes<HTMLDivElement> {
  children?: React.ReactNode;
  label?: React.ReactNode;
  variant?: "default" | "subsection";
  showLabel?: boolean;
  showDivider?: boolean;
  className?: string;
}

const NavSection = React.forwardRef<HTMLDivElement, NavSectionProps>(function NavSection(
  { children, label, variant = "default", showLabel = false, showDivider = false, className, ...otherProps }: NavSectionProps,
  ref
) {
  return (
    <div className={SubframeUtils.twClassNames("group/c119f2b2 flex w-full flex-col items-start gap-2 pt-2", className)} ref={ref} {...otherProps}>
      <div
        className={SubframeUtils.twClassNames("hidden w-full items-start", {
          flex: showDivider,
        })}
      >
        <SidebarInside.NavDivider />
      </div>
      <div
        className={SubframeUtils.twClassNames("hidden w-full items-start", {
          flex: showLabel,
        })}
      >
        <SidebarInside.NavLabel label={label} />
      </div>
      {children ? (
        <div className={SubframeUtils.twClassNames("flex w-full shrink-0 grow basis-0 flex-col items-center", { "py-0 pr-0 pl-5": variant === "subsection" })}>
          {children}
        </div>
      ) : null}
    </div>
  );
});

export interface NavLabelProps extends React.HTMLAttributes<HTMLDivElement> {
  label?: React.ReactNode;
  className?: string;
}

const NavLabel = React.forwardRef<HTMLDivElement, NavLabelProps>(function NavLabel({ label, className, ...otherProps }: NavLabelProps, ref) {
  return (
    <div className={SubframeUtils.twClassNames("flex w-full flex-col items-start gap-4 px-3 py-1", className)} ref={ref} {...otherProps}>
      {label ? <span className="text-body-extra-small-medium-0 font-body-extra-small-medium-0 text-text-neutral-secondary w-full">{label}</span> : null}
    </div>
  );
});

export interface NavDividerProps extends React.HTMLAttributes<HTMLDivElement> {
  className?: string;
}

const NavDivider = React.forwardRef<HTMLDivElement, NavDividerProps>(function NavDivider({ className, ...otherProps }: NavDividerProps, ref) {
  return (
    <div className={SubframeUtils.twClassNames("flex w-full flex-col items-center justify-center gap-2 px-1 pt-2", className)} ref={ref} {...otherProps}>
      <div className="bg-border-default flex h-px w-full flex-none flex-col items-center justify-center gap-2" />
    </div>
  );
});

export interface SidebarInsideRootProps extends React.HTMLAttributes<HTMLElement> {
  variant?: "open" | "closed";
  footer?: React.ReactNode;
  children?: React.ReactNode;
  visible?: boolean;
  className?: string;
}

const SidebarInsideRoot = React.forwardRef<HTMLElement, SidebarInsideRootProps>(function SidebarInsideRoot(
  { variant = "open", footer, children, visible = false, className, onPointerMove, onPointerLeave, ...otherProps }: SidebarInsideRootProps,
  ref
) {
  const { handlePointerMove, handlePointerLeave } = useSidebarHoverSweep({ onPointerMove, onPointerLeave });

  return (
    <nav
      className={SubframeUtils.twClassNames(
        "group/f6538807 border-border-default bg-surface-neutral-secondary relative hidden h-full w-[208px] min-w-0 flex-col items-start overflow-visible rounded-l-md border-r border-solid transition-[width] duration-300 ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[width]",
        {
          flex: visible,
          "w-12": variant === "closed",
        },
        className
      )}
      ref={ref}
      onPointerMove={handlePointerMove}
      onPointerLeave={handlePointerLeave}
      {...otherProps}
    >
      {children ? (
        <div
          className={SubframeUtils.twClassNames(
            // @subframe/sync-disable -- local fix: do not center children when closed (items-center removed) so the icon column stays left-anchored through the width animation.
            "flex shrink-0 grow basis-0 flex-col items-start overflow-x-hidden overflow-y-auto pt-1 pb-2 transition-[padding,width] duration-300 ease-[cubic-bezier(0.22,1,0.36,1)]",
            {
              "w-full px-2": variant === "open",
              "w-12 px-2": variant === "closed",
            }
          )}
        >
          {children}
        </div>
      ) : null}
      {footer ? (
        <div
          className={SubframeUtils.twClassNames("border-border-default hidden w-full items-center gap-4 border-t border-solid px-6 py-6", {
            "justify-center": variant === "closed",
          })}
        >
          {footer}
        </div>
      ) : null}
    </nav>
  );
});

export const SidebarInside = Object.assign(SidebarInsideRoot, {
  NavItem,
  NavSection,
  NavLabel,
  NavDivider,
});