#include <filesystem>
#include <optional>
#include <string>

#include <gtest/gtest.h>

#include <fesa/core/diagnostic.hpp>

namespace {

TEST(Diagnostic, PreservesSourceLocation) {
    const fesa::Diagnostic diagnostic{
        fesa::DiagnosticStage::syntax,
        fesa::Severity::error,
        "ABAQUS_INVALID_NODE",
        "Node data is incomplete.",
        fesa::SourceLocation{
            std::filesystem::path{"models/beam.inp"}, 42, 9}};

    ASSERT_TRUE(diagnostic.source.has_value());
    EXPECT_EQ(
        diagnostic.source->file, std::filesystem::path{"models/beam.inp"});
    EXPECT_EQ(diagnostic.source->line, 42U);
    EXPECT_EQ(diagnostic.source->column, 9U);
}

TEST(Diagnostic, AllowsDiagnosticsWithoutSourceLocation) {
    const fesa::Diagnostic diagnostic{
        fesa::DiagnosticStage::solver,
        fesa::Severity::warning,
        "SOLVER_RESIDUAL",
        "Residual is above the reporting threshold.",
        std::nullopt};

    EXPECT_FALSE(diagnostic.source.has_value());
}

}  // namespace