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import { useEffect, useState } from "react";
import { Link } from "react-router-dom";
import { Button } from "../../commons";
import NavJump from "./NavJump";
import "./Nav.css";
function Nav({ pages, currentPage, addNewPage, isPageExists }) {
const [isJumpEnabled, setIsJumpEnabled] = useState(false);
const isCover = () => currentPage && currentPage.id === 0;
const isFirstPage = () => currentPage && currentPage.id === 1;
const is404 = () => currentPage && currentPage.id === null;
useEffect(() => {
setIsJumpEnabled(false);
}, [currentPage.id]);
return (
<nav
className="nav"
onBlur={(e) => !e.relatedTarget && setIsJumpEnabled(false)}
>
{!isCover() && (
<Link className="nav__link" to="/" onClick={(e) => e.target.blur()}>
Back to cover
</Link>
)}
{!isCover() && !isFirstPage() && isPageExists(currentPage.id - 1) && (
<Link
className="nav__link"
to={`/page/${currentPage.id - 1}`}
onFocus={() => setIsJumpEnabled(false)}
onClick={(e) => e.target.blur()}
>
Previous page
</Link>
)}
<Button
additionalClassnames="nav__link"
onClickHandler={() => setIsJumpEnabled(!isJumpEnabled)}
>
Jump to
</Button>
{isJumpEnabled && <NavJump pages={pages} />}
{!is404() && (
<Link
className="nav__link"
to={`/page/${currentPage.id + 1}`}
onClick={(e) => {
!isPageExists(currentPage.id + 1) && addNewPage();
e.target.blur();
}}
onFocus={() => setIsJumpEnabled(false)}
>
Next page
</Link>
)}
</nav>
);
}
export default Nav;
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