-module(wink).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([init/1, draw/1]).
-export_type([style/0, border/0, color/0, decoration/0, spacing/0, config/0, box/0]).

-type style() :: single |
    round |
    solid |
    frame |
    cross |
    spring |
    thick |
    double |
    single_double |
    double_single |
    classic |
    hidden |
    {custom, border()}.

-type border() :: {border,
        binary(),
        binary(),
        binary(),
        binary(),
        binary(),
        binary()}.

-type color() :: black |
    red |
    green |
    yellow |
    blue |
    magenta |
    cyan |
    white |
    default |
    reset_color.

-type decoration() :: bold |
    dim |
    italic |
    underline |
    reversed |
    reset_decoration.

-type spacing() :: {spacing, integer(), integer(), integer(), integer()}.

-type config() :: {config,
        style(),
        color(),
        color(),
        spacing(),
        spacing(),
        list(decoration())}.

-type box() :: {box, fun((binary()) -> binary())}.

-spec apply_ansis(binary(), list(binary())) -> binary().
apply_ansis(Text, Ansis) ->
    _pipe = Ansis,
    _pipe@1 = gleam@string:concat(_pipe),
    gleam@string:append(_pipe@1, Text).

-spec get_style(style()) -> border().
get_style(Style) ->
    case Style of
        single ->
            {border,
                <<"┐"/utf8>>,
                <<"┌"/utf8>>,
                <<"┘"/utf8>>,
                <<"└"/utf8>>,
                <<"─"/utf8>>,
                <<"│"/utf8>>};

        frame ->
            {border,
                <<"◹"/utf8>>,
                <<"◸"/utf8>>,
                <<"◿"/utf8>>,
                <<"◺"/utf8>>,
                <<"─"/utf8>>,
                <<"│"/utf8>>};

        cross ->
            {border,
                <<"┼"/utf8>>,
                <<"┼"/utf8>>,
                <<"┼"/utf8>>,
                <<"┼"/utf8>>,
                <<"─"/utf8>>,
                <<"│"/utf8>>};

        spring ->
            {border,
                <<"╳"/utf8>>,
                <<"╳"/utf8>>,
                <<"╳"/utf8>>,
                <<"╳"/utf8>>,
                <<"╳"/utf8>>,
                <<"╳"/utf8>>};

        thick ->
            {border,
                <<"█"/utf8>>,
                <<"█"/utf8>>,
                <<"█"/utf8>>,
                <<"█"/utf8>>,
                <<"█"/utf8>>,
                <<"█"/utf8>>};

        double ->
            {border,
                <<"╗"/utf8>>,
                <<"╔"/utf8>>,
                <<"╝"/utf8>>,
                <<"╚"/utf8>>,
                <<"═"/utf8>>,
                <<"║"/utf8>>};

        round ->
            {border,
                <<"╮"/utf8>>,
                <<"╭"/utf8>>,
                <<"╯"/utf8>>,
                <<"╰"/utf8>>,
                <<"─"/utf8>>,
                <<"│"/utf8>>};

        solid ->
            {border,
                <<"┓"/utf8>>,
                <<"┏"/utf8>>,
                <<"┛"/utf8>>,
                <<"┗"/utf8>>,
                <<"━"/utf8>>,
                <<"┃"/utf8>>};

        single_double ->
            {border,
                <<"╖"/utf8>>,
                <<"╓"/utf8>>,
                <<"╜"/utf8>>,
                <<"╙"/utf8>>,
                <<"─"/utf8>>,
                <<"║"/utf8>>};

        double_single ->
            {border,
                <<"╕"/utf8>>,
                <<"╒"/utf8>>,
                <<"╛"/utf8>>,
                <<"╘"/utf8>>,
                <<"═"/utf8>>,
                <<"│"/utf8>>};

        classic ->
            {border,
                <<"+"/utf8>>,
                <<"+"/utf8>>,
                <<"+"/utf8>>,
                <<"+"/utf8>>,
                <<"-"/utf8>>,
                <<"|"/utf8>>};

        hidden ->
            {border,
                <<"+"/utf8>>,
                <<"+"/utf8>>,
                <<"+"/utf8>>,
                <<"+"/utf8>>,
                <<" "/utf8>>,
                <<" "/utf8>>};

        {custom, Border} ->
            Border
    end.

-spec draw_row(integer(), config()) -> binary().
draw_row(Width, Config) ->
    _pipe = <<" "/utf8>>,
    _pipe@1 = gleam@string:repeat(
        _pipe,
        erlang:element(5, erlang:element(6, Config))
    ),
    _pipe@2 = gleam@string:append(
        _pipe@1,
        erlang:element(7, get_style(erlang:element(2, Config)))
    ),
    _pipe@3 = gleam@string:append(
        _pipe@2,
        gleam@string:repeat(<<" "/utf8>>, Width)
    ),
    _pipe@4 = gleam@string:append(
        _pipe@3,
        erlang:element(7, get_style(erlang:element(2, Config)))
    ),
    _pipe@5 = gleam@string:append(
        _pipe@4,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(3, erlang:element(6, Config))
        )
    ),
    gleam@string:append(_pipe@5, <<"\n"/utf8>>).

-spec draw_bottom(integer(), config()) -> binary().
draw_bottom(Width, Config) ->
    _pipe = draw_row(Width, Config),
    _pipe@1 = gleam@string:repeat(
        _pipe,
        erlang:element(4, erlang:element(5, Config))
    ),
    _pipe@2 = gleam@string:append(
        _pipe@1,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(5, erlang:element(6, Config))
        )
    ),
    _pipe@3 = gleam@string:append(
        _pipe@2,
        erlang:element(5, get_style(erlang:element(2, Config)))
    ),
    _pipe@4 = gleam@string:append(
        _pipe@3,
        gleam@string:repeat(
            erlang:element(6, get_style(erlang:element(2, Config))),
            Width
        )
    ),
    _pipe@5 = gleam@string:append(
        _pipe@4,
        erlang:element(4, get_style(erlang:element(2, Config)))
    ),
    _pipe@6 = gleam@string:append(
        _pipe@5,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(3, erlang:element(6, Config))
        )
    ),
    gleam@string:append(
        _pipe@6,
        gleam@string:repeat(
            <<"\n"/utf8>>,
            erlang:element(4, erlang:element(6, Config))
        )
    ).

-spec get_color(color()) -> binary().
get_color(Color) ->
    <<"\x{001b}"/utf8, (case Color of
            black ->
                <<"[30m"/utf8>>;

            red ->
                <<"[31m"/utf8>>;

            green ->
                <<"[32m"/utf8>>;

            yellow ->
                <<"[33m"/utf8>>;

            blue ->
                <<"[34m"/utf8>>;

            magenta ->
                <<"[35m"/utf8>>;

            cyan ->
                <<"[36m"/utf8>>;

            white ->
                <<"[37m"/utf8>>;

            default ->
                <<"[39m"/utf8>>;

            reset_color ->
                <<"[0m"/utf8>>
        end)/binary>>.

-spec draw_top(integer(), config()) -> binary().
draw_top(Width, Config) ->
    _pipe = get_color(erlang:element(3, Config)),
    _pipe@1 = gleam@string:append(
        _pipe,
        gleam@string:repeat(
            <<"\n"/utf8>>,
            erlang:element(2, erlang:element(6, Config))
        )
    ),
    _pipe@2 = gleam@string:append(
        _pipe@1,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(5, erlang:element(6, Config))
        )
    ),
    _pipe@3 = gleam@string:append(
        _pipe@2,
        erlang:element(3, get_style(erlang:element(2, Config)))
    ),
    _pipe@4 = gleam@string:append(
        _pipe@3,
        gleam@string:repeat(
            erlang:element(6, get_style(erlang:element(2, Config))),
            Width
        )
    ),
    _pipe@5 = gleam@string:append(
        _pipe@4,
        erlang:element(2, get_style(erlang:element(2, Config)))
    ),
    _pipe@6 = gleam@string:append(
        _pipe@5,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(3, erlang:element(6, Config))
        )
    ),
    gleam@string:append(_pipe@6, <<"\n"/utf8>>).

-spec get_decoration(decoration()) -> binary().
get_decoration(Decoration) ->
    <<"\x{001b}"/utf8, (case Decoration of
            bold ->
                <<"[1m"/utf8>>;

            dim ->
                <<"[1m"/utf8>>;

            italic ->
                <<"[3m"/utf8>>;

            underline ->
                <<"[4m"/utf8>>;

            reversed ->
                <<"[7m"/utf8>>;

            reset_decoration ->
                <<"[0m"/utf8>>
        end)/binary>>.

-spec apply_decorations(list(decoration())) -> binary().
apply_decorations(Decorations) ->
    _pipe = Decorations,
    _pipe@1 = gleam@list:map(_pipe, fun get_decoration/1),
    gleam@string:concat(_pipe@1).

-spec draw_middle(binary(), integer(), config()) -> binary().
draw_middle(Msg, Width, Config) ->
    _pipe = draw_row(Width, Config),
    _pipe@1 = gleam@string:repeat(
        _pipe,
        erlang:element(2, erlang:element(5, Config))
    ),
    _pipe@2 = gleam@string:append(
        _pipe@1,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(5, erlang:element(6, Config))
        )
    ),
    _pipe@3 = gleam@string:append(
        _pipe@2,
        erlang:element(7, get_style(erlang:element(2, Config)))
    ),
    _pipe@4 = gleam@string:append(
        _pipe@3,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(5, erlang:element(5, Config))
        )
    ),
    _pipe@5 = gleam@string:append(_pipe@4, get_color(erlang:element(4, Config))),
    _pipe@6 = gleam@string:append(
        _pipe@5,
        apply_ansis(
            Msg,
            [get_color(erlang:element(4, Config)),
                apply_decorations(erlang:element(7, Config))]
        )
    ),
    _pipe@7 = gleam@string:append(_pipe@6, get_decoration(reset_decoration)),
    _pipe@8 = gleam@string:append(_pipe@7, get_color(erlang:element(3, Config))),
    _pipe@9 = gleam@string:append(
        _pipe@8,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(3, erlang:element(5, Config))
        )
    ),
    _pipe@10 = gleam@string:append(
        _pipe@9,
        erlang:element(7, get_style(erlang:element(2, Config)))
    ),
    _pipe@11 = gleam@string:append(
        _pipe@10,
        gleam@string:repeat(
            <<" "/utf8>>,
            erlang:element(3, erlang:element(6, Config))
        )
    ),
    gleam@string:append(_pipe@11, <<"\n"/utf8>>).

-spec draw_box(binary(), config()) -> binary().
draw_box(Msg, Config) ->
    Length = gleam@string:length(Msg),
    Width = (erlang:element(5, erlang:element(5, Config)) + Length) + erlang:element(
        3,
        erlang:element(5, Config)
    ),
    gleam@string:concat(
        [draw_top(Width, Config),
            draw_middle(Msg, Width, Config),
            draw_bottom(Width, Config)]
    ).

-spec init(config()) -> box().
init(Cfg) ->
    {box, fun(Msg) -> draw_box(Msg, Cfg) end}.

-spec draw(binary()) -> binary().
draw(Msg) ->
    draw_box(
        Msg,
        {config,
            round,
            default,
            default,
            {spacing, 1, 1, 1, 1},
            {spacing, 1, 1, 1, 1},
            []}
    ).