-module(tale@cli).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/tale/cli.gleam").
-export([cli/1]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

?MODULEDOC(
    " # Tale CLI\n"
    " ## Available Commands:\n"
    " - `serve`: Serve a site and rebuild when changes are detected.\n"
    " - `build`: Build a site into static HTML files.\n"
    " - `new`: Create sites or themes via subcommands.\n"
    " - `new site`: Create a new blog or site. (eg: `tale new site my-blog`)\n"
    " - `new theme`: Create a new theme. (eg: `tale new theme my-theme`)\n"
    " - `new post`: Create a new post. (eg: `tale new post post_name_needs_underscores`)\n"
    " - `version`: Display the version of Tale.\n"
).

-file("src/tale/cli.gleam", 47).
?DOC(" Initialize the new command.\n").
-spec new_command() -> glint:command(nil).
new_command() ->
    glint:command_help(
        <<"Create sites, themes or posts via subcommands."/utf8>>,
        fun() ->
            glint:command(
                fun(_, _, _) ->
                    begin
                        gleam_stdlib:println(
                            <<"Use `tale new site|theme|post <name>`."/utf8>>
                        ),
                        nil
                    end
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 131).
?DOC(" Builds the static files into a directory(default:public)\n").
-spec build_command() -> glint:command(nil).
build_command() ->
    glint:command_help(
        <<"Build the static files into the public directory."/utf8>>,
        fun() ->
            glint:command(
                fun(_, _, _) ->
                    begin
                        case tale@site:build_site() of
                            {ok, Messages} ->
                                gleam@list:each(
                                    Messages,
                                    fun gleam_stdlib:println/1
                                );

                            {error, Problem} ->
                                gleam_stdlib:println(
                                    <<"Build failed: "/utf8, Problem/binary>>
                                )
                        end,
                        nil
                    end
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 144).
?DOC(" Prints the version\n").
-spec version_command(binary()) -> glint:command(nil).
version_command(Version) ->
    glint:command_help(
        <<"Print the Tale CLI version."/utf8>>,
        fun() ->
            glint:command(
                fun(_, _, _) ->
                    begin
                        gleam_stdlib:println(<<"Tale v"/utf8, Version/binary>>),
                        nil
                    end
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 154).
?DOC(" Prints messages of generators\n").
-spec print_result({ok, binary()} | {error, binary()}) -> nil.
print_result(Outcome) ->
    case Outcome of
        {ok, Message} ->
            gleam_stdlib:println(Message);

        {error, Problem} ->
            gleam_stdlib:println(<<"Error: "/utf8, Problem/binary>>)
    end.

-file("src/tale/cli.gleam", 58).
?DOC(
    " Command that generates a new site/blog\n"
    " See generators.gleam for details\n"
).
-spec new_site_command() -> glint:command(nil).
new_site_command() ->
    glint:command_help(
        <<"Create a new blog or site. Usage: tale new site <name>"/utf8>>,
        fun() ->
            glint:unnamed_args(
                {eq_args, 1},
                fun() ->
                    glint:command(
                        fun(_, Args, _) ->
                            begin
                                case Args of
                                    [Name] ->
                                        print_result(
                                            tale@generators:new_site_gen(Name)
                                        );

                                    _ ->
                                        gleam_stdlib:println(
                                            <<"Missing site name. Run `tale new site <name>`."/utf8>>
                                        )
                                end,
                                nil
                            end
                        end
                    )
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 75).
?DOC(
    " Command that generates a new theme.\n"
    " See generators.gleam for details\n"
).
-spec new_theme_command() -> glint:command(nil).
new_theme_command() ->
    glint:command_help(
        <<"Create a new theme inside themes/. Usage: tale new theme <name>"/utf8>>,
        fun() ->
            glint:unnamed_args(
                {eq_args, 1},
                fun() ->
                    glint:command(
                        fun(_, Args, _) ->
                            begin
                                case Args of
                                    [Name] ->
                                        print_result(
                                            tale@generators:new_theme_gen(Name)
                                        );

                                    _ ->
                                        gleam_stdlib:println(
                                            <<"Missing theme name. Run `tale new theme <name>`."/utf8>>
                                        )
                                end,
                                nil
                            end
                        end
                    )
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 91).
?DOC(" Command that generates a new Markdown post from the archetype.\n").
-spec new_post_command() -> glint:command(nil).
new_post_command() ->
    glint:command_help(
        <<"Create a new post from archetypes/default.md. Usage: tale new post <name>"/utf8>>,
        fun() ->
            glint:unnamed_args(
                {eq_args, 1},
                fun() ->
                    glint:command(
                        fun(_, Args, _) ->
                            begin
                                case Args of
                                    [Name] ->
                                        print_result(
                                            tale@generators:new_post_gen(Name)
                                        );

                                    _ ->
                                        gleam_stdlib:println(
                                            <<"Missing post name. Run `tale new post <name>`."/utf8>>
                                        )
                                end,
                                nil
                            end
                        end
                    )
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 162).
?DOC(" Starts the development server\n").
-spec start_server(integer()) -> nil.
start_server(Port) ->
    gleam_stdlib:println(
        <<<<"Starting Tale dev server on http://localhost:"/utf8,
                (erlang:integer_to_binary(Port))/binary>>/binary,
            " (Ctrl+C to stop)..."/utf8>>
    ),
    tale@server:serve(Port).

-file("src/tale/cli.gleam", 107).
?DOC(" Triggers a simple static server for development purposes\n").
-spec serve_command() -> glint:command(nil).
serve_command() ->
    glint:command_help(
        <<"Serve a site with a basic server. Usage: tale serve [port]"/utf8>>,
        fun() ->
            glint:command(
                fun(_, Args, _) ->
                    begin
                        case Args of
                            [] ->
                                start_server(8000);

                            [Port_str] ->
                                case gleam_stdlib:parse_int(Port_str) of
                                    {ok, Port} ->
                                        start_server(Port);

                                    {error, _} ->
                                        gleam_stdlib:println(
                                            <<<<"Invalid port value \""/utf8,
                                                    Port_str/binary>>/binary,
                                                "\". Please pass a number."/utf8>>
                                        )
                                end;

                            _ ->
                                gleam_stdlib:println(
                                    <<"Provide at most one port value, e.g. `tale serve 4500`."/utf8>>
                                )
                        end,
                        nil
                    end
                end
            )
        end
    ).

-file("src/tale/cli.gleam", 23).
?DOC(" Initialize the CLI application.\n").
-spec cli(binary()) -> nil.
cli(Version) ->
    Args = case erlang:element(4, argv:load()) of
        [<<"help"/utf8>> | Rest] ->
            lists:append(Rest, [<<"--help"/utf8>>]);

        [] ->
            [<<"--help"/utf8>>];

        Other ->
            Other
    end,
    App = begin
        _pipe = glint:new(),
        _pipe@1 = glint:pretty_help(_pipe, glint:default_pretty_help()),
        _pipe@2 = glint:with_name(_pipe@1, <<"tale"/utf8>>),
        _pipe@3 = glint:global_help(
            _pipe@2,
            <<"\x{001b}[1;3mTale - A static story telling generator\x{001b}[0m"/utf8>>
        ),
        _pipe@4 = glint:add(
            _pipe@3,
            [<<"version"/utf8>>],
            version_command(Version)
        ),
        _pipe@5 = glint:add(_pipe@4, [<<"new"/utf8>>], new_command()),
        _pipe@6 = glint:add(
            _pipe@5,
            [<<"new"/utf8>>, <<"site"/utf8>>],
            new_site_command()
        ),
        _pipe@7 = glint:add(
            _pipe@6,
            [<<"new"/utf8>>, <<"theme"/utf8>>],
            new_theme_command()
        ),
        _pipe@8 = glint:add(
            _pipe@7,
            [<<"new"/utf8>>, <<"post"/utf8>>],
            new_post_command()
        ),
        _pipe@9 = glint:add(_pipe@8, [<<"serve"/utf8>>], serve_command()),
        glint:add(_pipe@9, [<<"build"/utf8>>], build_command())
    end,
    glint:run_and_handle(App, Args, fun(_) -> nil end).