use crate::components::websocket::WebSocketContext;
use leptos::html::Input;
use leptos::*;
use leptos_use::core::ConnectionReadyState;
use lib::*;
use serde_json::to_string;
use std::collections::BTreeSet;

#[component]
pub fn Browser() -> impl IntoView {
    // Websocket stuff
    let websocket = expect_context::<WebSocketContext>();
    let connected = move || websocket.ready_state.get() == ConnectionReadyState::Open;
    let tx = websocket.clone();
    let (websocket_send, set_websocket_send) = create_signal("".to_string());
    create_effect(move |_| {
        tx.send(&websocket_send());
    });

    // Browser stuff
    let game_browser_context = expect_context::<ReadSignal<Vec<GameBrowserMeta>>>();
    let (join_id, set_join_id) = create_signal("".to_string());
    let (delete_id, set_delete_id) = create_signal("".to_string());
    create_effect(move |_| {
        set_websocket_send(to_string(&GameJoinRequest { id: join_id() }).unwrap());
    });
    create_effect(move |_| {
        set_websocket_send(
            to_string(&GameDeleteRequest {
                delete_game_id: delete_id(),
            })
            .unwrap(),
        );
    });

    // New game stuff
    let card_packs = expect_context::<ReadSignal<CardPacksMeta>>();
    let new_game_name_ref = create_node_ref::<Input>();
    let (show_packs, set_show_packs) = create_signal(false);
    let show_packs_button = move |_| set_show_packs(!show_packs());
    let (selected_packs, set_selected_packs) = create_signal::<BTreeSet<u8>>(BTreeSet::new());
    let new_game = move |_| {
        if let Some(input) = new_game_name_ref.get() {
            if input.value() == *"" {
                logging::log!("New game name is empty!");
            } else if selected_packs().is_empty() {
                logging::log!("New game selected packs is empty!");
            } else {
                set_websocket_send(
                    to_string(&NewGameRequest {
                        name: input.value(),
                        packs: selected_packs().into_iter().collect::<Vec<_>>(),
                    })
                    .unwrap(),
                );
                input.set_value("");
            }
        }
    };

    view! {
        <div>
            <Show when=move || connected() fallback=|| view! { <p>Disconnected.</p> }>
                <h2 class="text-2xl">Game Browser</h2>
                <p>"Yes, the delete button works. Please don't abuse it."</p>
                <div>
                    <table class="min-w-full border border-collapse table-auto">
                        <thead>
                            <tr>
                                <th class="border-b">Name</th>
                                <th class="border-b">Host</th>
                                <th class="border-b">Players</th>
                                <th class="border-b">Card Packs</th>
                                <th class="border-b"></th>
                            </tr>
                        </thead>
                        <For
                            each=move || game_browser_context()
                            key=|game| game.uuid.clone()
                            children=move |game| {
                                view! {
                                    <tr>
                                        <td class="text-center border-b">{&game.name}</td>
                                        <td class="text-center border-b">{&game.host}</td>
                                        <td class="text-center border-b">
                                            {&game.players.to_string()}
                                        </td>
                                        <td class="text-center border-b">
                                            {&game.packs.len().to_string()}
                                        </td>
                                        <td class="text-center border-b">
                                            <button
                                                type="button"
                                                value=&game.uuid
                                                on:click=move |e| {
                                                    set_join_id(event_target_value(&e));
                                                }
                                            >
                                                Join
                                            </button>
                                            <button
                                                type="button"
                                                value=&game.uuid
                                                on:click=move |e| {
                                                    set_delete_id(event_target_value(&e));
                                                }
                                            >
                                                Delete
                                            </button>
                                        </td>
                                    </tr>
                                }
                            }
                        />
                    </table>
                </div>
                <hr />

                <div class="flex">
                    <form onsubmit="return false" on:submit=new_game>
                        <h2 class="text-2xl">Create Game</h2>
                        <input
                            class="w-80 h-11 font-mono rounded-sm bg-neutral-900 text-neutral-200"
                            placeholder="Name"
                            disabled=move || !connected()
                            node_ref=new_game_name_ref
                        />
                        <h2 class="text-2xl">Packs</h2>
                        <div class="p-2">
                            <button type="button" class="bg-neutral-600">
                                <input type="checkbox" id="all" checked />
                                <label for="all">All</label>
                            </button>
                            <button type="button" class="bg-neutral-600">
                                <input type="checkbox" id="official" />
                                <label for="official">Official</label>
                            </button>
                            <button type="button" class="bg-neutral-600" on:click=show_packs_button>
                                <label>Custom</label>
                            </button>
                            "click custom at least once for the new game button to work. there are worse problems right now (sorry (kinda))"
                        </div>
                        <Show when=move || show_packs()>
                            <span class="flex">
                                <div>
                                    <h2 class="text-xl">Official</h2>
                                    {move || {
                                        card_packs()
                                            .official_meta
                                            .into_iter()
                                            .map(|n| {
                                                view! {
                                                    <input
                                                        type="checkbox"
                                                        value=n.pack
                                                        id=n.pack
                                                        checked
                                                        on:change=move |e| {
                                                            if event_target_checked(&e) {
                                                                logging::log!("insert");
                                                                set_selected_packs
                                                                    .update(|packs| {
                                                                        packs.insert(n.pack);
                                                                    })
                                                            } else {
                                                                logging::log!("remove");
                                                                set_selected_packs
                                                                    .update(|packs| {
                                                                        packs.remove(&n.pack);
                                                                    })
                                                            }
                                                        }
                                                    />

                                                    <label for=n.pack>{n.name}</label>
                                                    <br />

                                                    // hax
                                                    {set_selected_packs
                                                        .update(|packs| {
                                                            packs.insert(n.pack);
                                                        })}
                                                }
                                            })
                                            .collect_view()
                                    }}

                                </div>
                                <div>
                                    <h2 class="text-xl">Unofficial</h2>
                                    {move || {
                                        card_packs()
                                            .unofficial_meta
                                            .into_iter()
                                            .map(|n| {
                                                view! {
                                                    <input
                                                        checked
                                                        type="checkbox"
                                                        value=n.pack
                                                        id=n.pack
                                                        on:change=move |e| {
                                                            if event_target_checked(&e) {
                                                                logging::log!("insert");
                                                                set_selected_packs
                                                                    .update(|packs| {
                                                                        packs.insert(n.pack);
                                                                    })
                                                            } else {
                                                                logging::log!("remove");
                                                                set_selected_packs
                                                                    .update(|packs| {
                                                                        packs.remove(&n.pack);
                                                                    })
                                                            }
                                                        }
                                                    />

                                                    <label for=n.pack>{n.name}</label>
                                                    <br />

                                                    // hax
                                                    {set_selected_packs
                                                        .update(|packs| {
                                                            packs.insert(n.pack);
                                                        })}
                                                }
                                            })
                                            .collect_view()
                                    }}

                                </div>
                            </span>
                        </Show>

                        <input
                            class="py-2 px-4 pl-4 font-bold text-white rounded border-b-4 bg-neutral-600 border-neutral-800 hover:bg-neutral-700 hover:border-neutral-500"
                            type="submit"
                            disabled=move || !connected()
                            value="New Game"
                        />
                    </form>
                </div>
            </Show>
        </div>
    }
}