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

import io.gitlab.jfronny.inceptum.Inceptum;
import io.gitlab.jfronny.inceptum.util.install.SetupStepInfo;
import io.gitlab.jfronny.inceptum.util.install.Step;
import io.gitlab.jfronny.inceptum.model.inceptum.InstanceMeta;
import io.gitlab.jfronny.inceptum.util.ConfigHolder;
import io.gitlab.jfronny.inceptum.util.InstanceLock;
import io.gitlab.jfronny.inceptum.util.MetaHolder;
import io.gitlab.jfronny.inceptum.util.Utils;
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 = MetaHolder.INSTANCE_DIR.resolve(info.name());
        Path metaDir = instance.resolve("instance.json");
        InstanceMeta meta = new InstanceMeta();
        meta.version = info.version().id;
        Utils.writeObject(metaDir, meta);
        InstanceLock.setSetupLock(instance, false);
        if (!Files.exists(instance.resolve(".gitignore"))) {
            Files.writeString(instance.resolve(".gitignore"), """
                    realms_persistence.json
                    saves/
                    screenshots/
                    logs/
                    .mixin.out/
                    .fabric/
                    *.lock
                    eula.txt
                    world/""");
        }
        Path gitDir = instance.resolve(".git");
        if (!Files.exists(gitDir)) {
            try (Git git = Git.init()
                         .setDirectory(instance.toFile())
                         .setGitDir(gitDir.toFile())
                         .call()) {
                git.commit()
                        .setAll(true)
                        .setMessage("Initial commit")
                        .setSign(false)
                        .setAuthor(ConfigHolder.CONFIG.git.commitUsername, ConfigHolder.CONFIG.git.commitMail)
                        .call();
            } catch (GitAPIException e) {
                Inceptum.showError("Could not initialize Git", e);
            }
        }
    }
}