package net.therosegarden.firefighter;

import java.io.File;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.entity.Player;

final class FirefighterDutyManager {
    private final RoseFirefighterPlugin plugin;
    private final JobsFacade jobs;
    private final File file;
    private final Set<UUID> offDuty = new HashSet<>();

    FirefighterDutyManager(RoseFirefighterPlugin plugin, JobsFacade jobs) {
        this.plugin = plugin;
        this.jobs = jobs;
        this.file = new File(plugin.getDataFolder(), "duty-status.yml");
        load();
    }

    boolean isOnDuty(Player player) {
        return player != null && jobs.isFirefighter(player) && !offDuty.contains(player.getUniqueId());
    }

    boolean setOnDuty(Player player, boolean onDuty) {
        if (player == null || !jobs.isFirefighter(player)) {
            return false;
        }
        if (onDuty) {
            offDuty.remove(player.getUniqueId());
        } else {
            offDuty.add(player.getUniqueId());
        }
        save();
        return true;
    }

    private void load() {
        offDuty.clear();
        if (!file.isFile()) {
            return;
        }
        YamlConfiguration yaml = YamlConfiguration.loadConfiguration(file);
        for (String value : yaml.getStringList("off-duty")) {
            try {
                offDuty.add(UUID.fromString(value));
            } catch (IllegalArgumentException ignored) {
                plugin.getLogger().warning("Ignoring invalid off-duty UUID: " + value);
            }
        }
    }

    void save() {
        YamlConfiguration yaml = new YamlConfiguration();
        yaml.set("off-duty", offDuty.stream().map(UUID::toString).sorted().toList());
        try {
            if (!plugin.getDataFolder().exists() && !plugin.getDataFolder().mkdirs()) {
                plugin.getLogger().warning("Could not create plugin data folder for duty status.");
                return;
            }
            yaml.save(file);
        } catch (IOException ex) {
            plugin.getLogger().severe("Could not save Firefighter duty status: " + ex.getMessage());
        }
    }
}