// Copyright 2022 Jeremy Wall (Jeremy@marzhilsltudios.com)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use sycamore::{futures::spawn_local_scoped, prelude::*};
use tracing::{debug, info};

use crate::app_state::{self, StateHandler};

#[component]
pub fn LoginForm<G: Html>(cx: Scope) -> View<G> {
    let username = create_signal(cx, "".to_owned());
    let password = create_signal(cx, "".to_owned());
    let clicked = create_signal(cx, ("".to_owned(), "".to_owned()));
    create_effect(cx, move || {
        let (username, password) = (*clicked.get()).clone();
        if username != "" && password != "" {
            spawn_local_scoped(cx, async move {
                let state = app_state::State::get_from_context(cx);
                let store = crate::api::HttpStore::get_from_context(cx);
                debug!("authenticating against ui");
                // TODO(jwall): Navigate to plan if the below is successful.
                state.auth.set(store.authenticate(username, password).await);
            });
        }
    });
    view! {cx,
        form() {
            label(for="username") { "Username" }
            input(type="text", id="username", bind:value=username)
            label(for="password") { "Password" }
            input(type="password", bind:value=password)
            input(type="button", value="Login", on:click=move |_| {
                info!("Attempting login request");
                clicked.set(((*username.get_untracked()).clone(), (*password.get_untracked()).clone()));
                debug!("triggering login click subscribers");
                clicked.trigger_subscribers();
            }) {  }
        }
    }
}

#[component]
pub fn LoginPage<'ctx, G: Html>(cx: Scope<'ctx>, sh: StateHandler<'ctx>) -> View<G> {
    view! {cx,
            LoginForm()
    }
}