package org.shedlang.compiler.config;

import org.junit.jupiter.api.Test;
import org.shedlang.compiler.config.errors.ConfigError;
import org.shedlang.compiler.config.json.Json5ObjectWithSource;
import org.shedlang.compiler.sources.SourceTexts;
import org.shedlang.compiler.types.NamespaceName;

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.zwobble.precisely.AssertThat.assertThat;
import static org.zwobble.precisely.Matchers.*;

public class BinConfigTests {
    @Test
    public void canParseBinConfigWithNameAndMainNamespace() {
        var sourceText = """
            {
                name: "one",
                mainNamespace: "A/B",
            }
            """;

        var config = parseBinConfig(sourceText);

        assertThat(config, allOf(
            has("name", x -> x.name(), equalTo("one")),
            has("mainNamespace", x -> x.mainNamespace(), equalTo(NamespaceName.of("A", "B")))
        ));
    }
    @Test
    public void whenMainNamespaceHasSyntaxErrorThenErrorIsThrown() {
        var sourceText = """
            {
                name: "one",
                mainNamespace: "A.B",
            }
            """;

        var error = assertThrows(
            ConfigError.class,
            () -> parseBinConfig(sourceText)
        );

        assertThat(error.getMessage(), equalTo("""
            Invalid namespace name.
            Expected: END
            But got: SYMBOL_DOT "."

            <string>:1:2
            A.B
             ^"""));
        assertThat(error.source().describe(), equalTo("""
            <string>:3:20
                mainNamespace: "A.B",
                               ^^^^^"""));
    }

    private BinConfig parseBinConfig(String text) {
        var sourceText = SourceTexts.string(text);
        return BinConfig.fromJson5(Json5ObjectWithSource.parse(sourceText));
    }
}