#include "../../extern/doctest.hpp"
#include "../../src/Parser/Lexer/Lexer.hpp"

using namespace MalachScript::Parser;

#define LEX_TEST(script, ...)                                                                                          \
    TEST_CASE("Lex: " script) {                                                                                        \
        MalachScript::Diagnostics::Diagnostics diag;                                                                   \
        auto lexer = Lexer(u8##script, u8##script, &diag);                                                                     \
        const auto* token = lexer.Lex();                                                                               \
        CHECK(diag.GetMessages().empty());                                                                             \
        std::vector<LexTokenKind> vec = {__VA_ARGS__, LexTokenKind::EndOfFile};                                        \
        const auto* current = token;                                                                                   \
        auto pos = 0;                                                                                                  \
        while (current != nullptr) {                                                                                   \
            CHECK_MESSAGE(current->GetKind() == vec[pos], "position: " << pos);                                        \
            pos++;                                                                                                     \
            current = current->GetNext().get();                                                                        \
        }                                                                                                              \
    }

LEX_TEST("1 + 1", LexTokenKind::IntegerLiteral, LexTokenKind::Whitespace, LexTokenKind::PlusSymbol,
         LexTokenKind::Whitespace, LexTokenKind::IntegerLiteral);

LEX_TEST("private foo = \"foobar\"", LexTokenKind::PrivateKeyword, LexTokenKind::Whitespace, LexTokenKind::Identifier,
         LexTokenKind::Whitespace, LexTokenKind::EqualsSymbol, LexTokenKind::Whitespace, LexTokenKind::StringLiteral);