-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, match_regex/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 `String` values and are re-exported through\n"
    " `dream_test/matchers`.\n"
    "\n"
    " Use them to assert string structure (prefix/suffix/substring) while\n"
    " preserving the original string for further chaining.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " \"hello world\"\n"
    " |> should\n"
    " |> start_with(\"hello\")\n"
    " |> or_fail_with(\"expected string to start with \\\"hello\\\"\")\n"
    " ```\n"
).

-file("src/dream_test/matchers/string.gleam", 55).
-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", 45).
?DOC(
    " Assert that a string starts with a prefix.\n"
    "\n"
    " ## Parameters\n"
    "\n"
    " - `value_or_result`: the `MatchResult(String)` produced by `should` (or a previous matcher)\n"
    " - `prefix`: required starting substring\n"
    "\n"
    " ## Returns\n"
    "\n"
    " A `MatchResult(String)` preserving the string for further chaining.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " \"hello world\"\n"
    " |> should\n"
    " |> start_with(\"hello\")\n"
    " |> or_fail_with(\"expected string to 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", 105).
-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", 95).
?DOC(
    " Assert that a string ends with a suffix.\n"
    "\n"
    " ## Parameters\n"
    "\n"
    " - `value_or_result`: the `MatchResult(String)` produced by `should` (or a previous matcher)\n"
    " - `suffix`: required ending substring\n"
    "\n"
    " ## Returns\n"
    "\n"
    " A `MatchResult(String)` preserving the string for further chaining.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " \"hello.gleam\"\n"
    " |> should\n"
    " |> end_with(\".gleam\")\n"
    " |> or_fail_with(\"expected .gleam suffix\")\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", 155).
-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", 145).
?DOC(
    " Assert that a string contains a substring.\n"
    "\n"
    " ## Parameters\n"
    "\n"
    " - `value_or_result`: the `MatchResult(String)` produced by `should` (or a previous matcher)\n"
    " - `substring`: required substring that must be present\n"
    "\n"
    " ## Returns\n"
    "\n"
    " A `MatchResult(String)` preserving the string for further chaining.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " \"hello world\"\n"
    " |> should\n"
    " |> contain_string(\"world\")\n"
    " |> or_fail_with(\"expected substring match\")\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.

-file("src/dream_test/matchers/string.gleam", 238).
-spec regex_no_match_failure(binary(), binary()) -> dream_test@types:match_result(binary()).
regex_no_match_failure(Actual, Pattern) ->
    Payload = {string_match_failure, Actual, Pattern, <<"match_regex"/utf8>>},
    {match_failed,
        {assertion_failure,
            <<"match_regex"/utf8>>,
            <<""/utf8>>,
            {some, Payload}}}.

-file("src/dream_test/matchers/string.gleam", 227).
-spec check_matches_compiled_regex(binary(), binary(), gleam@regexp:regexp()) -> dream_test@types:match_result(binary()).
check_matches_compiled_regex(Actual, Pattern, Compiled_regexp) ->
    case gleam@regexp:check(Compiled_regexp, Actual) of
        true ->
            {match_ok, Actual};

        false ->
            regex_no_match_failure(Actual, Pattern)
    end.

-file("src/dream_test/matchers/string.gleam", 256).
-spec invalid_regex_pattern_failure(binary(), gleam@regexp:compile_error()) -> dream_test@types:match_result(binary()).
invalid_regex_pattern_failure(Pattern, Compile_error) ->
    {match_failed,
        {assertion_failure,
            <<"match_regex"/utf8>>,
            <<<<<<"invalid regex pattern: "/utf8,
                        (gleam@string:inspect(Pattern))/binary>>/binary,
                    " "/utf8>>/binary,
                (gleam@string:inspect(Compile_error))/binary>>,
            none}}.

-file("src/dream_test/matchers/string.gleam", 218).
-spec check_matches_regex(binary(), binary()) -> dream_test@types:match_result(binary()).
check_matches_regex(Actual, Pattern) ->
    case gleam@regexp:from_string(Pattern) of
        {ok, Compiled_regexp} ->
            check_matches_compiled_regex(Actual, Pattern, Compiled_regexp);

        {error, Compile_error} ->
            invalid_regex_pattern_failure(Pattern, Compile_error)
    end.

-file("src/dream_test/matchers/string.gleam", 208).
?DOC(
    " Assert that a string matches a regular expression.\n"
    "\n"
    " The regex pattern is compiled using `gleam/regexp.from_string`.\n"
    "\n"
    " The assertion passes if the pattern matches **anywhere** within the string\n"
    " (it is not implicitly anchored). Use `^...$` if you want to require a full\n"
    " string match.\n"
    "\n"
    " If the pattern is invalid, the matcher fails (with an error message, and no\n"
    " structured payload).\n"
    "\n"
    " ## Parameters\n"
    "\n"
    " - `value_or_result`: the `MatchResult(String)` produced by `should` (or a previous matcher)\n"
    " - `pattern`: the regular expression pattern string\n"
    "\n"
    " ## Returns\n"
    "\n"
    " A `MatchResult(String)` preserving the string for further chaining.\n"
    "\n"
    " ## Example\n"
    "\n"
    " ```gleam\n"
    " import dream_test/matchers.{match_regex, or_fail_with, should}\n"
    "\n"
    " \"user-123\"\n"
    " |> should\n"
    " |> match_regex(\"^user-\\\\d+$\")\n"
    " |> or_fail_with(\"expected an id like user-123\")\n"
    " ```\n"
).
-spec match_regex(dream_test@types:match_result(binary()), binary()) -> dream_test@types:match_result(binary()).
match_regex(Value_or_result, Pattern) ->
    case Value_or_result of
        {match_failed, Failure} ->
            {match_failed, Failure};

        {match_ok, Actual} ->
            check_matches_regex(Actual, Pattern)
    end.