pontil_build

-module(pontil_build@error).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/pontil_build/error.gleam").
-export([describe_error/1]).
-export_type([build_error/0]).

-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(" Unified error type for pontil_build operations.\n").

-type build_error() :: {config_file_error, binary()} |
    {config_parse_error, tom:parse_error()} |
    config_missing_name |
    {unsupported_platform, binary(), binary()} |
    {download_failed, binary()} |
    {extraction_failed, binary()} |
    esbuild_not_installed |
    {esbuild_execution_failed, binary()} |
    {entry_point_not_found, binary()} |
    {output_dir_failed, binary()}.

-file("src/pontil_build/error.gleam", 22).
?DOC(" Format a BuildError as a human-readable string.\n").
-spec describe_error(build_error()) -> binary().
describe_error(Error) ->
    case Error of
        {config_file_error, Msg} ->
            Msg;

        {config_parse_error, _} ->
            <<"Failed to parse gleam.toml"/utf8>>;

        config_missing_name ->
            <<"gleam.toml is missing the 'name' field"/utf8>>;

        {unsupported_platform, Os, Arch} ->
            <<<<<<"No esbuild binary available for "/utf8, Os/binary>>/binary,
                    "-"/utf8>>/binary,
                Arch/binary>>;

        {download_failed, Reason} ->
            <<"Failed to download esbuild: "/utf8, Reason/binary>>;

        {extraction_failed, Reason@1} ->
            <<"Failed to extract esbuild: "/utf8, Reason@1/binary>>;

        esbuild_not_installed ->
            <<"esbuild is not installed. Set autoinstall = true in [tools.pontil_build.bundle] or run: gleam run -m pontil_build/install"/utf8>>;

        {esbuild_execution_failed, Reason@2} ->
            <<"esbuild failed: "/utf8, Reason@2/binary>>;

        {entry_point_not_found, Path} ->
            <<"Entry point not found: "/utf8, Path/binary>>;

        {output_dir_failed, Reason@3} ->
            Reason@3
    end.