package io.gitlab.jfronny.inceptum.install.steps;

import io.gitlab.jfronny.inceptum.Inceptum;
import io.gitlab.jfronny.inceptum.install.SetupStepInfo;
import io.gitlab.jfronny.inceptum.install.Step;
import io.gitlab.jfronny.inceptum.model.inceptum.InstanceMeta;
import io.gitlab.jfronny.inceptum.util.Utils;
import io.gitlab.jfronny.inceptum.windows.AlertWindow;
import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.errors.GitAPIException;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.atomic.AtomicBoolean;

public class WriteMetadataStep implements Step {
    @Override
    public void execute(SetupStepInfo info, AtomicBoolean stopThread) throws IOException {
        info.setState("Writing metadata");
        Path instance = Inceptum.INSTANCE_DIR.resolve(info.name());
        Path metaDir = instance.resolve("instance.json");
        InstanceMeta meta = new InstanceMeta();
        meta.version = info.version().id;
        Utils.writeObject(metaDir, meta);
        Path lock = instance.resolve("inceptum.setup.lock");
        if (Files.exists(lock)) Files.delete(lock);
        if (!Files.exists(instance.resolve(".gitignore"))) {
            Files.writeString(instance.resolve(".gitignore"), """
                    realms_persistence.json
                    saves/
                    screenshots/
                    logs/
                    .mixin.out/
                    .fabric/
                    mods/*.jar""");
        }
        Path gitDir = instance.resolve(".git");
        if (!Files.exists(gitDir)) {
            try (Git git = Git.init()
                         .setDirectory(instance.toFile())
                         .setGitDir(gitDir.toFile())
                         .call()) {
                //TODO use proper git identity
                git.add().addFilepattern(".").call();
                git.commit().setMessage("Initial commit")
                        .setSign(false)
                        .setAuthor("Inceptum", "inceptum@jfronny.gitlab.io").call();
            } catch (GitAPIException e) {
                Inceptum.LOGGER.error("Could not initialize git", e);
                Inceptum.open(new AlertWindow("Could not initialize git", e.toString()));
            }
        }
    }
}