"use client"

import { useRef, useState } from "react"
import { Folder, MoreVertical } from "lucide-react"
import { Icon } from "@iconify/react"
import { cn, formatCount } from "@/lib/utils"
import { useEmailDropTarget } from "@/lib/drag-context"
import { isSystemNavLabelId } from "@/lib/sidebar-nav-data"
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from "@/components/ui/dropdown-menu"
import {
  SidebarNavOptionsSheet,
  SidebarNavSheetAction,
} from "@/components/gmail/sidebar-nav-options-sheet"
import { useSidebarTouchOptionsMenu } from "@/components/gmail/use-sidebar-touch-options"
import type { CategoryNavSourceItem } from "@/components/gmail/sidebar/sidebar-nav-constants"
import {
  navRowRoundedWhenActive,
  SidebarNavIconSlot,
  SidebarOverflowColumn,
  sidebarOverflowMenuButtonClass,
} from "@/components/gmail/sidebar/sidebar-nav-primitives"

export function CategoryNavRow({
  item,
  isSelected,
  isExpanded,
  unreadCount,
  onSelectFolder,
  onDisableNavLabel,
  onEnableNavLabel,
  touchNav,
  variant = "listed",
}: {
  item: CategoryNavSourceItem
  isSelected: boolean
  isExpanded: boolean
  unreadCount: number
  onSelectFolder: (id: string) => void
  onDisableNavLabel: (id: string) => void
  onEnableNavLabel: (id: string) => void
  touchNav: boolean
  variant?: "listed" | "hidden"
}) {
  const { isOver, dropHandlers } = useEmailDropTarget(item.id, item.label)
  const [menuOpen, setMenuOpen] = useState(false)
  const menuTriggerRef = useRef<HTMLButtonElement>(null)
  const isHiddenRow = variant === "hidden"
  const showCategoryMenu = isSystemNavLabelId(item.id) && isExpanded
  const hasUnread = unreadCount > 0
  const touchMenuEnabled = touchNav && (isHiddenRow || showCategoryMenu)
  const { sheetOpen, setSheetOpen, touchRowProps, touchRowClassName, closeSheet } =
    useSidebarTouchOptionsMenu(touchMenuEnabled)

  const handleMenuOpenChange = (open: boolean) => {
    setMenuOpen(open)
    if (!open) {
      queueMicrotask(() => menuTriggerRef.current?.blur())
    }
  }

  const rowHoverHeld =
    !isHiddenRow && !isSelected && !isOver && (menuOpen || sheetOpen)

  const rowIcon = item.icon ? (
    <Icon
      icon={item.icon}
      className={cn(
        "h-5 w-5 shrink-0",
        isHiddenRow && "opacity-70",
        hasUnread && !isSelected && !isHiddenRow && "text-gray-900"
      )}
      aria-hidden
    />
  ) : (
    <Folder
      className={cn(
        "h-5 w-5 shrink-0",
        isHiddenRow && "opacity-70",
        hasUnread && !isSelected && !isHiddenRow && "text-gray-900"
      )}
      aria-hidden
    />
  )

  if (isHiddenRow) {
    return (
      <>
        <div
          {...dropHandlers}
          {...touchRowProps}
          className={cn(
            "flex h-8 w-full min-w-0 shrink-0 items-center pl-6 pr-2 text-gray-500 transition-colors",
            isOver ? "rounded-r-full" : "rounded-r-none",
            isOver && "bg-mail-nav-drop text-foreground",
            touchRowClassName
          )}
        >
          <button
            type="button"
            onClick={() => onSelectFolder(item.id)}
            className="flex h-8 min-w-0 flex-1 items-center gap-4 rounded-r-none py-0 pr-1 text-left outline-none hover:rounded-r-full hover:bg-gray-50"
          >
            {rowIcon}
            <div className="flex min-w-0 flex-1 items-baseline gap-4">
              <span
                className={cn(
                  "min-w-0 flex-1 truncate text-sm leading-5",
                  hasUnread && "font-semibold text-gray-900"
                )}
              >
                {item.label}
              </span>
              {unreadCount > 0 && (
                <span
                  className={cn(
                    "shrink-0 text-xs tabular-nums leading-none text-gray-700",
                    hasUnread && "font-semibold"
                  )}
                >
                  {formatCount(unreadCount)}
                </span>
              )}
            </div>
          </button>
          {!touchNav && (
            <DropdownMenu open={menuOpen} onOpenChange={handleMenuOpenChange}>
              <DropdownMenuTrigger asChild>
                <button
                  ref={menuTriggerRef}
                  type="button"
                  className={sidebarOverflowMenuButtonClass}
                  aria-label={`Options pour ${item.label}`}
                  onClick={(e) => e.stopPropagation()}
                >
                  <MoreVertical className="h-4 w-4" />
                </button>
              </DropdownMenuTrigger>
              <DropdownMenuContent align="end" className="min-w-40">
                <DropdownMenuItem
                  onClick={() => {
                    onEnableNavLabel(item.id)
                    setMenuOpen(false)
                  }}
                >
                  Réactiver le libellé
                </DropdownMenuItem>
              </DropdownMenuContent>
            </DropdownMenu>
          )}
        </div>
        {touchNav && (
          <SidebarNavOptionsSheet
            open={sheetOpen}
            onOpenChange={setSheetOpen}
            title={item.label}
          >
            <SidebarNavSheetAction
              onClick={() => {
                onEnableNavLabel(item.id)
                closeSheet()
              }}
            >
              Réactiver le libellé
            </SidebarNavSheetAction>
          </SidebarNavOptionsSheet>
        )}
      </>
    )
  }

  return (
    <>
      <div
        {...dropHandlers}
        {...touchRowProps}
        className={cn(
          "group/catnav flex h-8 w-full min-w-0 shrink-0 cursor-pointer items-center pl-6 pr-2 transition-colors",
          navRowRoundedWhenActive(isSelected || isOver || rowHoverHeld),
          isSelected
            ? "bg-mail-nav-selected text-mail-nav-selected font-medium"
            : isOver
              ? "bg-mail-nav-drop text-foreground"
              : rowHoverHeld
                ? "bg-mail-nav-hover text-foreground"
                : hasUnread
                  ? "text-gray-900 hover:bg-mail-nav-hover"
                  : "text-gray-700 hover:bg-mail-nav-hover",
          touchRowClassName
        )}
      >
        <button
          type="button"
          onClick={() => onSelectFolder(item.id)}
          title={!isExpanded ? item.label : undefined}
          className={cn(
            "flex h-8 min-w-0 flex-1 cursor-pointer items-center gap-4 py-0 text-left outline-none",
            showCategoryMenu ? "pr-1" : "pr-3"
          )}
        >
          <SidebarNavIconSlot showUnreadDot={hasUnread}>
            {rowIcon}
          </SidebarNavIconSlot>
          {isExpanded && (
            <div className="flex min-w-0 flex-1 items-baseline gap-4">
              <span
                className={cn(
                  "min-w-0 flex-1 truncate text-sm leading-5",
                  hasUnread && !isSelected && "font-semibold text-gray-900"
                )}
              >
                {item.label}
              </span>
              {!showCategoryMenu && unreadCount > 0 && (
                <span
                  className={cn(
                    "shrink-0 text-xs tabular-nums leading-none",
                    isSelected && "font-medium",
                    hasUnread && !isSelected && "font-semibold"
                  )}
                >
                  {formatCount(unreadCount)}
                </span>
              )}
            </div>
          )}
        </button>
        {showCategoryMenu && (
          <SidebarOverflowColumn
            unread={unreadCount}
            menuOpen={menuOpen || sheetOpen}
            hoverGroup="catnav"
            isSelected={isSelected}
            hasUnread={hasUnread}
            className="mr-[-7px]"
            showMenuButton={!touchNav}
          >
            {!touchNav && (
              <DropdownMenu open={menuOpen} onOpenChange={handleMenuOpenChange}>
                <DropdownMenuTrigger asChild>
                  <button
                    ref={menuTriggerRef}
                    type="button"
                    className={cn(
                      sidebarOverflowMenuButtonClass,
                      isSelected && "text-gray-900"
                    )}
                    aria-label={`Options pour ${item.label}`}
                    onClick={(e) => {
                      e.stopPropagation()
                    }}
                  >
                    <MoreVertical className="h-4 w-4" />
                  </button>
                </DropdownMenuTrigger>
                <DropdownMenuContent align="end" className="min-w-40">
                  <DropdownMenuItem disabled className="text-gray-400">
                    Afficher
                  </DropdownMenuItem>
                  <DropdownMenuItem
                    onClick={() => {
                      onDisableNavLabel(item.id)
                      setMenuOpen(false)
                    }}
                  >
                    Désactiver le libellé
                  </DropdownMenuItem>
                </DropdownMenuContent>
              </DropdownMenu>
            )}
          </SidebarOverflowColumn>
        )}
      </div>
      {touchNav && showCategoryMenu && (
        <SidebarNavOptionsSheet
          open={sheetOpen}
          onOpenChange={setSheetOpen}
          title={item.label}
        >
          <div className="px-4 py-3 text-sm text-muted-foreground">Afficher</div>
          <SidebarNavSheetAction
            onClick={() => {
              onDisableNavLabel(item.id)
              closeSheet()
            }}
          >
            Désactiver le libellé
          </SidebarNavSheetAction>
        </SidebarNavOptionsSheet>
      )}
    </>
  )
}