package org.shedlang.compiler.backends;

import org.shedlang.compiler.filesystem.ShedCompilerFiles;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.stream.Stream;

public class ExampleSet {
    public static Stream<ExampleSet> exampleSets() {
        return exampleSetDirectories()
            .map(exampleDirectory -> new ExampleSet(exampleDirectory.toPath()));
    }

    /// The directory of each example set.
    private static Stream<File> exampleSetDirectories() {
        var examplesRoot = ShedCompilerFiles.getRoot().resolve("examples");

        return Arrays.stream(examplesRoot.toFile()
            .listFiles(file -> file.isDirectory()));
    }

    private final Path path;

    private ExampleSet(Path path) {
        this.path = path;
    }

    public String name() {
        return this.path.getFileName().toString();
    }

    public ExamplesConfig readConfig() throws IOException {
        return ExamplesConfig.read(this.path);
    }
}