-module(dream_test@matchers@string).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/dream_test/matchers/string.gleam").
-export([start_with/2, end_with/2, contain_string/2]).

-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(
    " String matchers for dream_test.\n"
    "\n"
    " These matchers work with strings.\n"
    " They're re-exported through `dream_test/assertions/should`.\n"
    "\n"
    " ## Usage\n"
    "\n"
    " ```gleam\n"
    " import dream_test/assertions/should.{\n"
    "   should, start_with, end_with, contain_string, or_fail_with,\n"
    " }\n"
    "\n"
    " greeting\n"
    " |> should()\n"
    " |> start_with(\"Hello\")\n"
    " |> or_fail_with(\"Greeting should start with Hello\")\n"
    "\n"
    " filename\n"
    " |> should()\n"
    " |> end_with(\".gleam\")\n"
    " |> or_fail_with(\"Should be a Gleam file\")\n"
    "\n"
    " log_message\n"
    " |> should()\n"
    " |> contain_string(\"error\")\n"
    " |> or_fail_with(\"Log should mention error\")\n"
    " ```\n"
).

-file("src/dream_test/matchers/string.gleam", 56).
-spec check_starts_with(binary(), binary()) -> dream_test@types:match_result(binary()).
check_starts_with(Actual, Prefix) ->
    case gleam_stdlib:string_starts_with(Actual, Prefix) of
        true ->
            {match_ok, Actual};

        false ->
            Payload = {string_match_failure,
                Actual,
                Prefix,
                <<"start_with"/utf8>>},
            {match_failed,
                {assertion_failure,
                    <<"start_with"/utf8>>,
                    <<""/utf8>>,
                    {some, Payload}}}
    end.

-file("src/dream_test/matchers/string.gleam", 46).
?DOC(
    " Assert that a string starts with a prefix.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " greeting\n"
    " |> should()\n"
    " |> start_with(\"Hello\")\n"
    " |> or_fail_with(\"Greeting should start with Hello\")\n"
    " ```\n"
).
-spec start_with(dream_test@types:match_result(binary()), binary()) -> dream_test@types:match_result(binary()).
start_with(Value_or_result, Prefix) ->
    case Value_or_result of
        {match_failed, Failure} ->
            {match_failed, Failure};

        {match_ok, Actual} ->
            check_starts_with(Actual, Prefix)
    end.

-file("src/dream_test/matchers/string.gleam", 97).
-spec check_ends_with(binary(), binary()) -> dream_test@types:match_result(binary()).
check_ends_with(Actual, Suffix) ->
    case gleam_stdlib:string_ends_with(Actual, Suffix) of
        true ->
            {match_ok, Actual};

        false ->
            Payload = {string_match_failure,
                Actual,
                Suffix,
                <<"end_with"/utf8>>},
            {match_failed,
                {assertion_failure,
                    <<"end_with"/utf8>>,
                    <<""/utf8>>,
                    {some, Payload}}}
    end.

-file("src/dream_test/matchers/string.gleam", 87).
?DOC(
    " Assert that a string ends with a suffix.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " filename\n"
    " |> should()\n"
    " |> end_with(\".gleam\")\n"
    " |> or_fail_with(\"File should be a Gleam file\")\n"
    " ```\n"
).
-spec end_with(dream_test@types:match_result(binary()), binary()) -> dream_test@types:match_result(binary()).
end_with(Value_or_result, Suffix) ->
    case Value_or_result of
        {match_failed, Failure} ->
            {match_failed, Failure};

        {match_ok, Actual} ->
            check_ends_with(Actual, Suffix)
    end.

-file("src/dream_test/matchers/string.gleam", 138).
-spec check_contains_string(binary(), binary()) -> dream_test@types:match_result(binary()).
check_contains_string(Actual, Substring) ->
    case gleam_stdlib:contains_string(Actual, Substring) of
        true ->
            {match_ok, Actual};

        false ->
            Payload = {string_match_failure,
                Actual,
                Substring,
                <<"contain_string"/utf8>>},
            {match_failed,
                {assertion_failure,
                    <<"contain_string"/utf8>>,
                    <<""/utf8>>,
                    {some, Payload}}}
    end.

-file("src/dream_test/matchers/string.gleam", 128).
?DOC(
    " Assert that a string contains a substring.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " log_message\n"
    " |> should()\n"
    " |> contain_string(\"error\")\n"
    " |> or_fail_with(\"Log should mention error\")\n"
    " ```\n"
).
-spec contain_string(dream_test@types:match_result(binary()), binary()) -> dream_test@types:match_result(binary()).
contain_string(Value_or_result, Substring) ->
    case Value_or_result of
        {match_failed, Failure} ->
            {match_failed, Failure};

        {match_ok, Actual} ->
            check_contains_string(Actual, Substring)
    end.