@inject IJSRuntime jsRuntime

<script suppress-error="BL9992">
    async function login() {
        var username = document.querySelector('input#username');
        var password = document.querySelector('input#password');

        var formData = new FormData();
        formData.append('username', username.value);
        formData.append('password', password.value);

        var resp = await fetch('/Login', {
            method: 'POST',
            body: formData
        });

        if(resp.ok) {
            window.location.href = '/';
        } else if(resp.status == 403) {
            var form = document.querySelector('form.login');
            form.classList.remove('bad-login');
            @* TODO: improve this hacky method of triggering reflow *@
            form.offsetWidth;
            form.classList.add('bad-login');
            username.value = password.value = null;
            username.focus();
        } else {
            alert('Unknown error while attempting to login!');
        }
    }

    async function logout() {
        var resp = await fetch('/Logout', { method: 'POST' });
        if(resp.ok) {
            window.location.href = '/Login';
        } else {
            alert('Error logging out!');
        }
    }
</script>

<AuthorizeView>
    <Authorized>
        <div id="navbar">
            <a href="/">Home</a>
            <a href="/TagDefinitions">Tags</a>
            <a href="/Gallery?ingest=true">Ingest</a>
            <a href="/Upload">Upload</a>
            <a href="javascript:;" @onclick=@(() => aboutDialog.Show())>About</a>

            <p id="nsfw-label">NSFW</p>
            <div id="nsfw-switch">
                <NsfwSwitch/>
            </div>
            <form action="/Gallery" method="get">
                <input type="text" name="q" placeholder="Search"/>
            </form>
            <a href="javascript:logout();">Logout</a>
        </div>
        <AboutDialog @ref=aboutDialog/>
    </Authorized>
    <NotAuthorized>
        <div id="navbar">
            <h2>Login</h2>
            <form onsubmit="login" class="login">
                <input id="username" placeholder="Username" type="text"/>
                <input id="password" placeholder="Password" type="password"/>
            </form>
            <a href="javascript:login();">Login</a>
        </div>
    </NotAuthorized>
</AuthorizeView>

@code {
    [CascadingParameter]
    public Task<AuthenticationState> AuthState { get; set; }

    private AboutDialog aboutDialog;

    private string username => AuthState.GetAwaiter().GetResult().User.Identity?.Name ?? "fugg";
}