// ==========================================================================
//                 SeqAn - The Library for Sequence Analysis
// ==========================================================================
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// ==========================================================================
// Author: Stephan Aiche <stephan.aiche@fu-berlin.de>
// ==========================================================================
// Tests for arg_parse/arg_parse_argument.h.
// ==========================================================================

#ifndef SEQAN_TESTS_ARG_PARSE_TEST_ARG_PARSE_ARGUMENT_H_
#define SEQAN_TESTS_ARG_PARSE_TEST_ARG_PARSE_ARGUMENT_H_

#include <seqan/basic.h>

#include "test_extensions.h"
#include <seqan/arg_parse/arg_parse_argument.h>

using namespace seqan2;

SEQAN_DEFINE_TEST(test_argument_string_type)
{
    ArgParseArgument arg(ArgParseArgument::STRING);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::STRING);
}

SEQAN_DEFINE_TEST(test_argument_bool_type)
{
    ArgParseArgument arg(ArgParseArgument::BOOL);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::BOOL);
}
SEQAN_DEFINE_TEST(test_argument_int_type)
{
    ArgParseArgument arg(ArgParseArgument::INTEGER);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::INTEGER);
}

SEQAN_DEFINE_TEST(test_argument_int64_type)
{
    ArgParseArgument arg(ArgParseArgument::INT64);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::INT64);
}

SEQAN_DEFINE_TEST(test_argument_double_type)
{
    ArgParseArgument arg(ArgParseArgument::DOUBLE);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::DOUBLE);
}

SEQAN_DEFINE_TEST(test_argument_inputfile_type)
{
    ArgParseArgument arg(ArgParseArgument::INPUT_FILE);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::INPUT_FILE);
}

SEQAN_DEFINE_TEST(test_argument_outputfile_type)
{
    ArgParseArgument arg(ArgParseArgument::OUTPUT_FILE);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::OUTPUT_FILE);
}

SEQAN_DEFINE_TEST(test_argument_inputprefix_type)
{
    ArgParseArgument arg(ArgParseArgument::INPUT_PREFIX);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::INPUT_PREFIX);
}

SEQAN_DEFINE_TEST(test_argument_outputprefix_type)
{
    ArgParseArgument arg(ArgParseArgument::OUTPUT_PREFIX);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::OUTPUT_PREFIX);
}

SEQAN_DEFINE_TEST(test_argument_inputdirectory_type)
{
    ArgParseArgument arg(ArgParseArgument::INPUT_DIRECTORY);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::INPUT_DIRECTORY);
}

SEQAN_DEFINE_TEST(test_argument_outputdirectory_type)
{
    ArgParseArgument arg(ArgParseArgument::OUTPUT_DIRECTORY);
    SEQAN_ASSERT_EQ(getArgumentType(arg), ArgParseArgument::OUTPUT_DIRECTORY);
}

SEQAN_DEFINE_TEST(test_argument_label)
{
    ArgParseArgument arg(ArgParseArgument::STRING, "my_label");
    SEQAN_ASSERT_EQ(getArgumentLabel(arg), "my_label");
}

SEQAN_DEFINE_TEST(test_argument_invalid_cast)
{
    ArgParseArgument doubleArg(ArgParseArgument::DOUBLE);

    _checkValue(doubleArg, "6.0221418e23");
    _assignArgumentValue(doubleArg, "6.0221418e23");
    _checkValue(doubleArg);
    SEQAN_ASSERT_EQ(getArgumentValue(doubleArg), "6.0221418e23");

    _checkValue(doubleArg, "-6.022");
    _assignArgumentValue(doubleArg, "-6.022");
    _checkValue(doubleArg);
    SEQAN_ASSERT_EQ(getArgumentValue(doubleArg), "-6.022");

    // Test _checkValue() with value.
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(doubleArg, "-6.022aaa"),
                         "the given value '-6.022aaa' cannot be casted to double");

    // Test _checkValue() after assignment.
    _assignArgumentValue(doubleArg, "-6.022aaa");
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(doubleArg),
                         "the given value '-6.022aaa' cannot be casted to double");
}

SEQAN_DEFINE_TEST(test_argument_min_max_boundaries)
{
    ArgParseArgument arg(ArgParseArgument::DOUBLE);
    setMinValue(arg, "1");
    setMaxValue(arg, "6.0221418e23");

    _checkValue(arg, "1");
    _assignArgumentValue(arg, "1"); // should just work without throwing any exception
    _checkValue(arg);
    SEQAN_ASSERT_EQ(getArgumentValue(arg), "1");
    // Test _checkValue() with argument and value.
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(arg, "-1"),
                         "the given value '-1' is not in the interval [1:6.0221418e23]");
    // Test _checkValue() after assignment.
    _assignArgumentValue(arg, "-1");
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(arg),
                         "the given value '-1' is not in the interval [1:6.0221418e23]");

    // Tests _checkValue() with argument and value.
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(arg, "6.0321418e23"),
                         "the given value '6.0321418e23' is not in the interval [1:6.0221418e23]");
    // Test _checkValue() after assignment.
    _assignArgumentValue(arg, "6.0321418e23");
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(arg),
                         "the given value '6.0321418e23' is not in the interval [1:6.0221418e23]");
}

SEQAN_DEFINE_TEST(test_argument_valid_values)
{
    ArgParseArgument arg(ArgParseArgument::STRING);
    setValidValues(arg, "this that");

    _checkValue(arg, "this");
    _assignArgumentValue(arg, "this");
    _checkValue(arg);
    SEQAN_ASSERT_EQ(getArgumentValue(arg), "this");
    // Test _checkValue() with argument and value.
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(arg, "not-this-or-that"),
                         "the given value 'not-this-or-that' is not in the list of allowed values [this, that]");
    // Test _checkValue after assignment.
    _assignArgumentValue(arg, "not-this-or-that");
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(arg),
                         "the given value 'not-this-or-that' is not in the list of allowed values [this, that]");

    ArgParseArgument filearg(ArgParseArgument::INPUT_FILE);
    setValidValues(filearg, ".txt .fasta");

    _assignArgumentValue(filearg, "textfile.txt");
    SEQAN_ASSERT_EQ(value(filearg.value, 0), "textfile.txt");

    // Test getFileExtension() function.
    SEQAN_ASSERT_EQ(getFileExtension(filearg), ".txt");

    // different case should also work
    _assignArgumentValue(filearg, "textfile.tXT");
    SEQAN_ASSERT_EQ(value(filearg.value, 0), "textfile.tXT");

    // Test getFileExtension() function.
    SEQAN_ASSERT_EQ(getFileExtension(filearg), ".txt");

    // Test getFileExtension() function with explicit file extension.
    filearg._fileExtensions.push_back(".fa");
    SEQAN_ASSERT_EQ(getFileExtension(filearg), ".fa");
    SEQAN_ASSERT_EQ(getFileExtension(filearg, 0), ".fa");

    // Test _checkValue() with argument and value.
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(filearg, "not-a-validfile.qxt"),
                         "the given path 'not-a-validfile.qxt' does not have one of the valid file extensions [*.txt, *.fasta]; the file extension was overridden to be '.fa'");
    // Test _checkValue after assignment.
    _assignArgumentValue(filearg, "not-a-validfile.qxt");
    SEQAN_TEST_EXCEPTION_WITH_MESSAGE(ParseError,
                         _checkValue(filearg),
                         "the given path 'not-a-validfile.qxt' does not have one of the valid file extensions [*.txt, *.fasta]; the file extension was overridden to be '.fa'");
}

SEQAN_DEFINE_TEST(test_argument_valid_values_directories)
{
    ArgParseArgument dirarg(ArgParseArgument::INPUT_DIRECTORY);
    setValidValues(dirarg, ".dir1 .dir2");

    _assignArgumentValue(dirarg, "directory.dir1");
    SEQAN_ASSERT_EQ(value(dirarg.value, 0), "directory.dir1");

    // Test getFileExtension() function.
    SEQAN_ASSERT_EQ(getFileExtension(dirarg), ".dir1");

    // different case should also work
    _assignArgumentValue(dirarg, "directory.DIR1");
    SEQAN_ASSERT_EQ(value(dirarg.value, 0), "directory.DIR1");

    // also accept a trailing '/'
    _assignArgumentValue(dirarg, "directory.dir2/");
    SEQAN_ASSERT_EQ(value(dirarg.value, 0), "directory.dir2/");

    // Test getFileExtension() function.
    SEQAN_ASSERT_EQ(getFileExtension(dirarg), ".dir2");

    // different case should also work
    _assignArgumentValue(dirarg, "directory.DIR2/");
    SEQAN_ASSERT_EQ(value(dirarg.value, 0), "directory.DIR2/");

}

#endif // SEQAN_TESTS_ARG_PARSE_TEST_ARG_PARSE_ARGUMENT_H_
