/*
 * Copyright (C) 2024  Minecon724
 * Tweaks724 is licensed under the GNU General Public License. See the LICENSE.md file
 * in the project root for the full license text.
 */

package eu.m724.tweaks.updater;

import eu.m724.tweaks.updater.cache.ResourceVersion;
import eu.m724.tweaks.updater.cache.SpigotResource;
import eu.m724.tweaks.updater.cache.VersionedResource;
import org.bukkit.plugin.Plugin;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;

public class UpdaterManager {
    static File cacheFile;

    private final Plugin plugin;

    public UpdaterManager(Plugin plugin) {
        this.plugin = plugin;
        cacheFile = new File(plugin.getDataFolder(), "cache/updater");
    }

    public void init() throws IOException {
        // scan installed plugins
        Set<SpigotResource> resources = new PluginScanner(plugin).load();

        cacheFile.getParentFile().mkdirs(); // TODO move this somewhere else

        // load installed versions from cache
        Set<ResourceVersion> installedVersions;
        try (FileInputStream inputStream = new FileInputStream(cacheFile)) {
            installedVersions = VersionCheckCache.loadAll(inputStream);
        } catch (FileNotFoundException e) {
            installedVersions = new HashSet<>();
        }

        final Set<ResourceVersion> ivf = installedVersions;
        Set<VersionedResource> versionedResources = resources.stream()
                .map(res -> new VersionedResource(
                        res, ivf.stream().filter(iv -> iv.resourceId() == res.resourceId()).findFirst().orElse(null), null
                )).collect(Collectors.toSet());


        new UpdateChecker(plugin, versionedResources)
                .runTaskTimerAsynchronously(plugin, 600, 12 * 3600 * 20);
    }
}