/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include "orcus/json_parser.hpp"
#include "orcus/stream.hpp"

#include <vector>
#include <iostream>
#include <fstream>

namespace {

// These test cases originate from https://github.com/nst/JSONTestSuite
//
// The name of these files tell if their contents should be accepted or
// rejected.
//
// * y_ content must be accepted by parsers
// * n_ content must be rejected by parsers
// * i_ parsers are free to accept or reject content

std::vector<const char*> test_files_indeterminate = {
    "i_number_double_huge_neg_exp.json",
    "i_number_huge_exp.json",
    "i_number_neg_int_huge_exp.json",
    "i_number_pos_double_huge_exp.json",
    "i_number_real_neg_overflow.json",
    "i_number_real_pos_overflow.json",
    "i_number_real_underflow.json",
    "i_number_too_big_neg_int.json",
    "i_number_too_big_pos_int.json",
    "i_number_very_big_negative_int.json",
    "i_object_key_lone_2nd_surrogate.json",
    "i_string_1st_surrogate_but_2nd_missing.json",
    "i_string_1st_valid_surrogate_2nd_invalid.json",
    "i_string_incomplete_surrogate_and_escape_valid.json",
    "i_string_incomplete_surrogate_pair.json",
    "i_string_incomplete_surrogates_escape_valid.json",
    "i_string_invalid_lonely_surrogate.json",
    "i_string_invalid_surrogate.json",
    "i_string_invalid_utf-8.json",
    "i_string_inverted_surrogates_U+1D11E.json",
    "i_string_iso_latin_1.json",
    "i_string_lone_second_surrogate.json",
    "i_string_lone_utf8_continuation_byte.json",
    "i_string_not_in_unicode_range.json",
    "i_string_overlong_sequence_2_bytes.json",
    "i_string_overlong_sequence_6_bytes.json",
    "i_string_overlong_sequence_6_bytes_null.json",
    "i_string_truncated-utf-8.json",
    "i_string_utf16BE_no_BOM.json",
    "i_string_utf16LE_no_BOM.json",
    "i_string_UTF-16LE_with_BOM.json",
    "i_string_UTF-8_invalid_sequence.json",
    "i_string_UTF8_surrogate_U+D800.json",
    "i_structure_500_nested_arrays.json",
    "i_structure_UTF-8_BOM_empty_object.json"
};

std::vector<const char*> test_files_failed = {
    "n_array_1_true_without_comma.json",
    "n_array_a_invalid_utf8.json",
    "n_array_colon_instead_of_comma.json",
    "n_array_comma_after_close.json",
    "n_array_comma_and_number.json",
    "n_array_double_comma.json",
    "n_array_double_extra_comma.json",
    "n_array_extra_close.json",
    "n_array_extra_comma.json",
    "n_array_incomplete_invalid_value.json",
    "n_array_incomplete.json",
    "n_array_inner_array_no_comma.json",
    "n_array_invalid_utf8.json",
    "n_array_items_separated_by_semicolon.json",
    "n_array_just_comma.json",
    "n_array_just_minus.json",
    "n_array_missing_value.json",
    "n_array_newlines_unclosed.json",
    "n_array_number_and_comma.json",
    "n_array_number_and_several_commas.json",
    "n_array_spaces_vertical_tab_formfeed.json",
    "n_array_star_inside.json",
    "n_array_unclosed.json",
    "n_array_unclosed_trailing_comma.json",
    "n_array_unclosed_with_new_lines.json",
    "n_array_unclosed_with_object_inside.json",
    "n_incomplete_false.json",
    "n_incomplete_null.json",
    "n_incomplete_true.json",
    "n_multidigit_number_then_00.json",
    "n_number_0.1.2.json",
    "n_number_-01.json",
    "n_number_0.3e.json",
    "n_number_0.3e+.json",
    "n_number_0_capital_E.json",
    "n_number_0_capital_E+.json",
    "n_number_0.e1.json",
    "n_number_0e.json",
    "n_number_0e+.json",
    "n_number_1_000.json",
    "n_number_1.0e-.json",
    "n_number_1.0e.json",
    "n_number_1.0e+.json",
    "n_number_-1.0..json",
    "n_number_1eE2.json",
    "n_number_.-1.json",
    "n_number_+1.json",
    "n_number_.2e-3.json",
    "n_number_2.e-3.json",
    "n_number_2.e+3.json",
    "n_number_2.e3.json",
    "n_number_-2..json",
    "n_number_9.e+.json",
    "n_number_expression.json",
    "n_number_hex_1_digit.json",
    "n_number_hex_2_digits.json",
    "n_number_infinity.json",
    "n_number_+Inf.json",
    "n_number_Inf.json",
    "n_number_invalid+-.json",
    "n_number_invalid-negative-real.json",
    "n_number_invalid-utf-8-in-bigger-int.json",
    "n_number_invalid-utf-8-in-exponent.json",
    "n_number_invalid-utf-8-in-int.json",
    "n_number_++.json",
    "n_number_minus_infinity.json",
    "n_number_minus_sign_with_trailing_garbage.json",
    "n_number_minus_space_1.json",
    "n_number_-NaN.json",
    "n_number_NaN.json",
    "n_number_neg_int_starting_with_zero.json",
    "n_number_neg_real_without_int_part.json",
    "n_number_neg_with_garbage_at_end.json",
    "n_number_real_garbage_after_e.json",
    "n_number_real_with_invalid_utf8_after_e.json",
    "n_number_real_without_fractional_part.json",
    "n_number_starting_with_dot.json",
    "n_number_U+FF11_fullwidth_digit_one.json",
    "n_number_with_alpha_char.json",
    "n_number_with_alpha.json",
    "n_number_with_leading_zero.json",
    "n_object_bad_value.json",
    "n_object_bracket_key.json",
    "n_object_comma_instead_of_colon.json",
    "n_object_double_colon.json",
    "n_object_emoji.json",
    "n_object_garbage_at_end.json",
    "n_object_key_with_single_quotes.json",
    "n_object_lone_continuation_byte_in_key_and_trailing_comma.json",
    "n_object_missing_colon.json",
    "n_object_missing_key.json",
    "n_object_missing_semicolon.json",
    "n_object_missing_value.json",
    "n_object_no-colon.json",
    "n_object_non_string_key_but_huge_number_instead.json",
    "n_object_non_string_key.json",
    "n_object_repeated_null_null.json",
    "n_object_several_trailing_commas.json",
    "n_object_single_quote.json",
    "n_object_trailing_comma.json",
    "n_object_trailing_comment.json",
    "n_object_trailing_comment_open.json",
    "n_object_trailing_comment_slash_open_incomplete.json",
    "n_object_trailing_comment_slash_open.json",
    "n_object_two_commas_in_a_row.json",
    "n_object_unquoted_key.json",
    "n_object_unterminated-value.json",
    "n_object_with_single_string.json",
    "n_object_with_trailing_garbage.json",
    "n_single_space.json",
    "n_string_1_surrogate_then_escape.json",
    "n_string_1_surrogate_then_escape_u1.json",
    "n_string_1_surrogate_then_escape_u1x.json",
    "n_string_1_surrogate_then_escape_u.json",
    "n_string_accentuated_char_no_quotes.json",
    "n_string_backslash_00.json",
    "n_string_escaped_backslash_bad.json",
    "n_string_escaped_ctrl_char_tab.json",
    "n_string_escaped_emoji.json",
    "n_string_escape_x.json",
    "n_string_incomplete_escaped_character.json",
    "n_string_incomplete_escape.json",
    "n_string_incomplete_surrogate_escape_invalid.json",
    "n_string_incomplete_surrogate.json",
    "n_string_invalid_backslash_esc.json",
    "n_string_invalid_unicode_escape.json",
    "n_string_invalid_utf8_after_escape.json",
    "n_string_invalid-utf-8-in-escape.json",
    "n_string_leading_uescaped_thinspace.json",
    "n_string_no_quotes_with_bad_escape.json",
    "n_string_single_doublequote.json",
    "n_string_single_quote.json",
    "n_string_single_string_no_double_quotes.json",
    "n_string_start_escape_unclosed.json",
    "n_string_unescaped_crtl_char.json",
    "n_string_unescaped_newline.json",
    "n_string_unescaped_tab.json",
    "n_string_unicode_CapitalU.json",
    "n_string_with_trailing_garbage.json",
    // "n_structure_100000_opening_arrays.json",
    "n_structure_angle_bracket_..json",
    "n_structure_angle_bracket_null.json",
    "n_structure_array_trailing_garbage.json",
    "n_structure_array_with_extra_array_close.json",
    "n_structure_array_with_unclosed_string.json",
    "n_structure_ascii-unicode-identifier.json",
    "n_structure_capitalized_True.json",
    "n_structure_close_unopened_array.json",
    "n_structure_comma_instead_of_closing_brace.json",
    "n_structure_double_array.json",
    "n_structure_end_array.json",
    "n_structure_incomplete_UTF8_BOM.json",
    "n_structure_lone-invalid-utf-8.json",
    "n_structure_lone-open-bracket.json",
    "n_structure_no_data.json",
    "n_structure_null-byte-outside-string.json",
    "n_structure_number_with_trailing_garbage.json",
    "n_structure_object_followed_by_closing_object.json",
    "n_structure_object_unclosed_no_value.json",
    "n_structure_object_with_comment.json",
    "n_structure_object_with_trailing_garbage.json",
    "n_structure_open_array_apostrophe.json",
    "n_structure_open_array_comma.json",
    // "n_structure_open_array_object.json",
    "n_structure_open_array_open_object.json",
    "n_structure_open_array_open_string.json",
    "n_structure_open_array_string.json",
    "n_structure_open_object_close_array.json",
    "n_structure_open_object_comma.json",
    "n_structure_open_object.json",
    "n_structure_open_object_open_array.json",
    "n_structure_open_object_open_string.json",
    "n_structure_open_object_string_with_apostrophes.json",
    "n_structure_open_open.json",
    "n_structure_single_eacute.json",
    "n_structure_single_star.json",
    "n_structure_trailing_#.json",
    "n_structure_U+2060_word_joined.json",
    "n_structure_uescaped_LF_before_string.json",
    "n_structure_unclosed_array.json",
    "n_structure_unclosed_array_partial_null.json",
    "n_structure_unclosed_array_unfinished_false.json",
    "n_structure_unclosed_array_unfinished_true.json",
    "n_structure_unclosed_object.json",
    "n_structure_unicode-identifier.json",
    "n_structure_UTF8_BOM_no_data.json",
    "n_structure_whitespace_formfeed.json",
    "n_structure_whitespace_U+2060_word_joiner.json"
};

std::vector<const char*> test_files_pass = {
    "y_array_arraysWithSpaces.json",
    "y_array_empty.json",
    "y_array_empty-string.json",
    "y_array_ending_with_newline.json",
    "y_array_false.json",
    "y_array_heterogeneous.json",
    "y_array_null.json",
    "y_array_with_1_and_newline.json",
    "y_array_with_leading_space.json",
    "y_array_with_several_null.json",
    "y_array_with_trailing_space.json",
    "y_number_0e+1.json",
    "y_number_0e1.json",
    "y_number_after_space.json",
    "y_number_double_close_to_zero.json",
    "y_number_int_with_exp.json",
    "y_number.json",
    "y_number_minus_zero.json",
    "y_number_negative_int.json",
    "y_number_negative_one.json",
    "y_number_negative_zero.json",
    "y_number_real_capital_e.json",
    "y_number_real_capital_e_neg_exp.json",
    "y_number_real_capital_e_pos_exp.json",
    "y_number_real_exponent.json",
    "y_number_real_fraction_exponent.json",
    "y_number_real_neg_exp.json",
    "y_number_real_pos_exponent.json",
    "y_number_simple_int.json",
    "y_number_simple_real.json",
    "y_object_basic.json",
    "y_object_duplicated_key_and_value.json",
    "y_object_duplicated_key.json",
    "y_object_empty.json",
    "y_object_empty_key.json",
    "y_object_escaped_null_in_key.json",
    "y_object_extreme_numbers.json",
    "y_object.json",
    "y_object_long_strings.json",
    "y_object_simple.json",
    "y_object_string_unicode.json",
    "y_object_with_newlines.json",
    "y_string_1_2_3_bytes_UTF-8_sequences.json",
    // "y_string_accepted_surrogate_pair.json",
    // "y_string_accepted_surrogate_pairs.json",
    "y_string_allowed_escapes.json",
    "y_string_backslash_and_u_escaped_zero.json",
    "y_string_backslash_doublequotes.json",
    "y_string_comments.json",
    "y_string_double_escape_a.json",
    "y_string_double_escape_n.json",
    "y_string_escaped_control_character.json",
    "y_string_escaped_noncharacter.json",
    "y_string_in_array.json",
    "y_string_in_array_with_leading_space.json",
    // "y_string_last_surrogates_1_and_2.json",
    "y_string_nbsp_uescaped.json",
    "y_string_nonCharacterInUTF-8_U+10FFFF.json",
    "y_string_nonCharacterInUTF-8_U+FFFF.json",
    "y_string_null_escape.json",
    "y_string_one-byte-utf-8.json",
    "y_string_pi.json",
    "y_string_reservedCharacterInUTF-8_U+1BFFF.json",
    "y_string_simple_ascii.json",
    // "y_string_space.json",
    "y_string_surrogates_U+1D11E_MUSICAL_SYMBOL_G_CLEF.json",
    "y_string_three-byte-utf-8.json",
    "y_string_two-byte-utf-8.json",
    "y_string_u+2028_line_sep.json",
    "y_string_u+2029_par_sep.json",
    "y_string_uescaped_newline.json",
    "y_string_uEscape.json",
    "y_string_unescaped_char_delete.json",
    "y_string_unicode_2.json",
    "y_string_unicodeEscapedBackslash.json",
    "y_string_unicode_escaped_double_quote.json",
    "y_string_unicode.json",
    // "y_string_unicode_U+10FFFE_nonchar.json",
    // "y_string_unicode_U+1FFFE_nonchar.json",
    "y_string_unicode_U+200B_ZERO_WIDTH_SPACE.json",
    "y_string_unicode_U+2064_invisible_plus.json",
    // "y_string_unicode_U+FDD0_nonchar.json",
    // "y_string_unicode_U+FFFE_nonchar.json",
    "y_string_utf8.json",
    "y_string_with_del_character.json",
    // "y_structure_lonely_false.json",
    // "y_structure_lonely_int.json",
    // "y_structure_lonely_negative_real.json",
    // "y_structure_lonely_null.json",
    // "y_structure_lonely_string.json",
    // "y_structure_lonely_true.json",
    // "y_structure_string_empty.json",
    "y_structure_trailing_newline.json",
    "y_structure_true_in_array.json",
    "y_structure_whitespace_array.json",
};

std::string load_file(const std::string& file_name)
{
    std::string file_path = std::string(SRCDIR) + "/test/json/validation/" + file_name;
    std::ifstream f(file_path);
    std::stringstream buffer;
    buffer << f.rdbuf();
    return buffer.str();
}

void test_pass()
{
    orcus::json_handler hdl;

    for (const char* test_file_name : test_files_pass)
    {
        std::string content = load_file(test_file_name);
        std::cout << test_file_name << std::endl;
        try
        {
            orcus::json_parser<orcus::json_handler> parser(content, hdl);
            parser.parse();
        }
        catch (const orcus::parse_error& e)
        {
            std::cout << e.what() << std::endl;
            std::cout << orcus::create_parse_error_output(content, e.offset()) << std::endl;
            assert(false);
        }
    }
}

void test_fail()
{
    orcus::json_handler hdl;

    for (const char* test_file_name : test_files_failed)
    {
        std::string content = load_file(test_file_name);
        std::cout << test_file_name << std::endl;
        bool failed = false;
        try {
            orcus::json_parser<orcus::json_handler> parser(content, hdl);
            parser.parse();
        }
        catch (const orcus::parse_error&)
        {
            failed = true;
        }

        if (!failed)
        {
            std::cout << "invalid json string has been parsed as valid: content='" << content << "'" << std::endl;
            assert(false);
        }
    }
}

void test_indeterminate()
{
    orcus::json_handler hdl;

    for (const char* test_file_name : test_files_indeterminate)
    {
        std::string content = load_file(test_file_name);
        std::cout << test_file_name << std::endl;
        try {
            orcus::json_parser<orcus::json_handler> parser(content, hdl);
            parser.parse();
        }
        catch (const orcus::parse_error&)
        {
        }

    }
}

}

int main()
{
    test_pass();
    test_fail();
    test_indeterminate();
    return 0;
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
