stockhome/frontend/src/components/Sidebar.tsx

import { useState } from "react";
import { useTranslation } from "react-i18next";
import { Button, Typography } from "@mui/joy";
import InventoryIcon from "@mui/icons-material/Inventory";
import AddBoxIcon from "@mui/icons-material/AddBox";
import StorageIcon from "@mui/icons-material/Storage";
import SettingsIcon from "@mui/icons-material/Settings";
import ExitToAppIcon from "@mui/icons-material/ExitToApp";
import TranslateIcon from "@mui/icons-material/Translate";
import Brightness4Icon from "@mui/icons-material/Brightness4";
import MenuIcon from "@mui/icons-material/Menu";
import CloseIcon from "@mui/icons-material/Close";
import { useMatchRoute, useNavigate } from "@tanstack/react-router";
import Cookies from "js-cookie";
import { changeTranslation } from "../utils/uxFncs";
import { useColorScheme } from "@mui/joy/styles";
import { useLogout } from "../hooks/useLogout.ts";

export const Sidebar = () => {
  const { t } = useTranslation();
  const navigate = useNavigate();
  const { logout } = useLogout();
  const matchRoute = useMatchRoute();
  const { mode, setMode } = useColorScheme();
  const [isOpen, setIsOpen] = useState(false);

  const btnClass =
    "h-11 w-full justify-start! rounded-2xl px-4 text-left text-sm font-semibold transition [&_.MuiButton-startDecorator]:mr-3! [&_.MuiButton-startDecorator]:ml-0!";

  const variant = (to: string) =>
    !!matchRoute({ to, fuzzy: false }) ? "soft" : "plain";

  const handleNavigate = (to: string) => {
    void navigate({ to });
    setIsOpen(false);
  };

  return (
    <aside
      className="flex w-full flex-col gap-6 px-4 py-5 sm:px-5 lg:h-full lg:min-h-screen lg:max-w-70 lg:border-b-0 lg:border-r lg:px-6 lg:py-8"
      style={{
        borderBottom: "1px solid var(--joy-palette-divider)",
        borderRightColor: "var(--joy-palette-divider)",
        background:
          "linear-gradient(to bottom, var(--joy-palette-primary-50), var(--joy-palette-background-level1), var(--joy-palette-background-level2))",
        boxShadow:
          "0 20px 60px color-mix(in srgb, var(--joy-palette-primary-solidBg) 8%, transparent)",
      }}
    >
      <div className="flex items-center justify-between gap-4">
        <div className="space-y-2">
          <Typography
            level="h2"
            className="text-[22px] font-semibold"
            sx={{ color: "var(--joy-palette-primary-solidBg)" }}
          >
            {t("app-title")}
          </Typography>
          <Typography
            level="body-lg"
            className="text-sm font-medium"
            sx={{ color: "var(--joy-palette-text-tertiary)" }}
          >
            {Cookies.get("app-name") ? Cookies.get("app-name") : ""}
          </Typography>
        </div>
        <Button
          variant="soft"
          size="sm"
          className="transition-transform duration-200 ease-out"
          onClick={() => setIsOpen((open) => !open)}
          startDecorator={
            <span
              className={`inline-flex transition-transform duration-200 ease-out ${
                isOpen ? "rotate-180" : "rotate-0"
              }`}
            >
              {isOpen ? <CloseIcon /> : <MenuIcon />}
            </span>
          }
          sx={{
            display: "inline-flex",
            "@media (min-width: 1024px)": { display: "none" },
          }}
        >
          {isOpen ? t("close") : t("menu")}
        </Button>
      </div>

      <div
        className={`flex flex-1 flex-col gap-8 overflow-hidden transition-all duration-200 ease-out lg:overflow-visible lg:transition-none ${
          isOpen
            ? "max-h-120 opacity-100 pointer-events-auto"
            : "max-h-0 opacity-0 pointer-events-none"
        } lg:max-h-none lg:opacity-100 lg:pointer-events-auto`}
      >
        <div className="flex flex-1 flex-col gap-2">
          <Button
            onClick={() => handleNavigate("/app/inventory")}
            variant={variant("/app/inventory")}
            startDecorator={<InventoryIcon />}
            className={btnClass}
            sx={{
              color: "var(--joy-palette-text-secondary)",
              "&:hover": {
                bgcolor: "var(--joy-palette-background-surface)",
                color: "var(--joy-palette-primary-solidBg)",
              },
            }}
          >
            {t("inventory")}
          </Button>
          <Button
            onClick={() => handleNavigate("/app/add-product")}
            variant={variant("/app/add-product")}
            startDecorator={<AddBoxIcon />}
            className={btnClass}
            sx={{
              color: "var(--joy-palette-text-secondary)",
              "&:hover": {
                bgcolor: "var(--joy-palette-background-surface)",
                color: "var(--joy-palette-primary-solidBg)",
              },
            }}
          >
            {t("add")}
          </Button>
          <Button
            onClick={() => handleNavigate("/app/storages")}
            variant={variant("/app/storages")}
            startDecorator={<StorageIcon />}
            className={btnClass}
            sx={{
              color: "var(--joy-palette-text-secondary)",
              "&:hover": {
                bgcolor: "var(--joy-palette-background-surface)",
                color: "var(--joy-palette-primary-solidBg)",
              },
            }}
          >
            {t("storages")}
          </Button>
          <Button
            onClick={() => handleNavigate("/app/app-settings")}
            variant={variant("/app/app-settings")}
            startDecorator={<SettingsIcon />}
            className={btnClass}
            sx={{
              color: "var(--joy-palette-text-secondary)",
              "&:hover": {
                bgcolor: "var(--joy-palette-background-surface)",
                color: "var(--joy-palette-primary-solidBg)",
              },
            }}
          >
            {t("settings")}
          </Button>
          <Button
            onClick={logout}
            color="danger"
            startDecorator={<ExitToAppIcon />}
            className={btnClass}
          >
            {t("logout")}
          </Button>
          <Button
            onClick={() => {
              changeTranslation();
              setIsOpen(false);
            }}
            color="neutral"
            startDecorator={<TranslateIcon />}
            className={btnClass}
          >
            {t("change-translation")}
          </Button>
          <Button
            onClick={() => setMode(mode === "dark" ? "light" : "dark")}
            color="neutral"
            startDecorator={<Brightness4Icon />}
            className={btnClass}
          >
            {mode === "dark" ? "Light Mode" : "Dark Mode"}
          </Button>
        </div>

        <div
          className="flex items-center gap-3 rounded-2xl px-4 py-3 text-xs font-semibold uppercase tracking-[0.2em]"
          style={{
            border: "1px solid var(--joy-palette-divider)",
            backgroundColor: "var(--joy-palette-background-surface)",
            color: "var(--joy-palette-primary-solidBg)",
            boxShadow: "0 12px 30px var(--joy-palette-divider)",
          }}
        >
          <img
            src="/favicon.png"
            alt="Stockhome"
            className="h-7 w-7 rounded-lg"
          />
          <span>Stockhome</span>
        </div>
      </div>
    </aside>
  );
};