import "./header.css";
import React, { useState } from "react";
import {
  List,
  ListItem,
  ListItemButton,
  ListItemIcon,
  ListItemText,
  SwipeableDrawer,
} from "@mui/material";
import Box from "@mui/material/Box";
import AddAPhotoIcon from "@mui/icons-material/AddAPhoto";
import DynamicFeedIcon from "@mui/icons-material/DynamicFeed";
import PersonIcon from "@mui/icons-material/Person";
import InfoIcon from "@mui/icons-material/Info";
import LogoutIcon from "@mui/icons-material/Logout";
import ExitToAppIcon from "@mui/icons-material/ExitToApp";
import FollowTheSignsIcon from "@mui/icons-material/FollowTheSigns";
import { useNavigate } from "react-router-dom";
import { useAuth } from "../api/Auth";

function Header() {
  interface ListItemAttributes {
    text: string;
    icon: React.ElementType;
    onClick: () => void;
    onlyShowWhen: "loggedIn" | "loggedOut" | "always";
  }
  const navigate = useNavigate();
  const [isOpen, setIsOpen] = useState(false);
  const toggleMenu = () => {
    setIsOpen(!isOpen);
  };
  const { logout, user } = useAuth();
  const ListItems: ListItemAttributes[] = [
    {
      text: "Feed",
      icon: DynamicFeedIcon,
      onClick: () => navigate("/"),
      onlyShowWhen: "always",
    },
    {
      text: "Create Post",
      icon: AddAPhotoIcon,
      onClick: () => navigate("/createpost"),
      onlyShowWhen: "loggedIn",
    },
    {
      text: "Profile",
      icon: PersonIcon,
      onClick: () => navigate(`/profile/${user?.username}`),
      onlyShowWhen: "loggedIn",
    },
    {
      text: "About",
      icon: InfoIcon,
      onClick: () => navigate("/about"),
      onlyShowWhen: "always",
    },
    {
      text: "Log Out",
      icon: LogoutIcon,
      onClick: logout,
      onlyShowWhen: "loggedIn",
    },
    {
      text: "Log In",
      icon: ExitToAppIcon,
      onClick: () => navigate("/login"),
      onlyShowWhen: "loggedOut",
    },
    {
      text: "Sign Up",
      icon: FollowTheSignsIcon,
      onClick: () => navigate("/register"),
      onlyShowWhen: "loggedOut",
    },
  ];

  const DrawerList = (
    <Box role="menu" onClick={() => setIsOpen(false)}>
      <List className="drawer-list">
        {ListItems.map((ListItemObject, index) =>
          ListItemObject.onlyShowWhen == "always" ||
          (ListItemObject.onlyShowWhen == "loggedIn" && user) ||
          (ListItemObject.onlyShowWhen == "loggedOut" && !user) ? (
            <ListItem
              className="drawer-list-item"
              key={ListItemObject.text}
              disablePadding
            >
              <ListItemButton
                className="drawer-list-item-button"
                onClick={ListItemObject.onClick}
              >
                <ListItemIcon className="drawer-list-item">
                  {React.createElement(ListItemObject.icon)}
                </ListItemIcon>
                <ListItemText
                  className="drawer-list-item"
                  primary={ListItemObject.text}
                />
              </ListItemButton>
            </ListItem>
          ) : null
        )}
      </List>
    </Box>
  );

  return (
    <>
      <header className="base-header blue-background">
        <img
          className="header-icon header-icon-feather"
          src="/assets/icons/BirdIconO.ico"
          alt="featherIcon"
          onClick={() => navigate("/")}
        />
        <p className="header-title small-title" onClick={() => navigate("/")}>
          Feather Feed
        </p>
        <img
          className="header-icon header-icon-menu"
          src="/assets/icons/menu_orange.svg"
          alt="menu"
          onClick={toggleMenu}
        />
      </header>
      <SwipeableDrawer
        anchor={"right"}
        open={isOpen}
        onClose={() => setIsOpen(false)}
        onOpen={() => setIsOpen(true)}
      >
        {DrawerList}
      </SwipeableDrawer>
    </>
  );
}

export default Header;