-module(docs@components@sidebar).
-compile([no_auto_import, nowarn_unused_vars]).

-export([sidebar/2]).
-export_type([model/0, msg/0, sidebar_props/0, link_props/0]).

-type model() :: {model, gleam@option:option(binary())}.

-type msg() :: no_op | {set_search_filter, gleam@option:option(binary())}.

-type sidebar_props() :: {sidebar_props,
        sprocket@internal@utils@ordered_map:ordered_map(docs@page_route:page_route(), docs@page_route:page()),
        docs@page_route:page_route()}.

-type link_props() :: {link_props, binary(), binary(), boolean()}.

-spec update(model(), msg()) -> model().
update(Model, Msg) ->
    case Msg of
        no_op ->
            Model;

        {set_search_filter, Search_filter} ->
            {model, Search_filter}
    end.

-spec initial() -> model().
initial() ->
    {model, none}.

-spec link(sprocket@socket:socket(), link_props()) -> {sprocket@socket:socket(),
    list(sprocket@element:element())}.
link(Socket, Props) ->
    {link_props, Title, Href, Is_active} = Props,
    sprocket@component:render(
        Socket,
        [sprocket@html:a(
                [sprocket@html@attributes:classes(
                        [{some,
                                <<"block p-2 text-blue-500 hover:text-blue-700"/utf8>>},
                            docs@utils@common:maybe(
                                Is_active,
                                <<"font-bold"/utf8>>
                            )]
                    ),
                    sprocket@html@attributes:href(Href)],
                [sprocket@html:text(Title)]
            )]
    ).

-spec sidebar(sprocket@socket:socket(), sidebar_props()) -> {sprocket@socket:socket(),
    list(sprocket@element:element())}.
sidebar(Socket, Props) ->
    {sidebar_props, Pages, Active} = Props,
    sprocket@hooks@reducer:reducer(
        Socket,
        initial(),
        fun update/2,
        fun(Socket@1, _use1) ->
            {state, {model, Search_filter}, Dispatch} = _use1,
            sprocket@component:render(
                Socket@1,
                [sprocket@component:component(
                        fun docs@components@search_bar:search_bar/2,
                        {search_bar_props, fun(Query) -> case Query of
                                    <<""/utf8>> ->
                                        Dispatch({set_search_filter, none});

                                    _ ->
                                        Dispatch(
                                            {set_search_filter, {some, Query}}
                                        )
                                end end}
                    ) |
                    case Search_filter of
                        {some, Query@1} ->
                            [sprocket@html:'div'(
                                    [],
                                    [sprocket@html:'div'(
                                            [sprocket@html@attributes:class(
                                                    <<"font-bold italic my-1"/utf8>>
                                                )],
                                            [sprocket@html:text(
                                                    <<"No results for: "/utf8>>
                                                )]
                                        ),
                                        sprocket@html:'div'(
                                            [],
                                            [sprocket@html:text(Query@1)]
                                        )]
                                )];

                        none ->
                            sprocket@internal@utils@ordered_map:index_map(
                                Pages,
                                fun(I, Item) ->
                                    {keyed_item, _, Page} = Item,
                                    sprocket@html:keyed(
                                        erlang:element(2, Page),
                                        sprocket@component:component(
                                            fun link/2,
                                            {link_props,
                                                <<<<(gleam@int:to_string(I + 1))/binary,
                                                        ". "/utf8>>/binary,
                                                    (erlang:element(2, Page))/binary>>,
                                                docs@page_route:href(
                                                    erlang:element(3, Page)
                                                ),
                                                erlang:element(3, Page) =:= Active}
                                        )
                                    )
                                end
                            )
                    end]
            )
        end
    ).