package de.serverpulse.bungee.models;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

/**
 * Hält alle empfangenen Monitoring-Daten eines einzelnen Sub-Servers.
 * Wird über den Plugin Messaging Channel vom Spigot-Plugin befüllt.
 */
public class ServerData {

    private final String serverName;

    // Performance
    private double tps = 20.0;
    private double mspt = 0.0;
    private long ramUsedMb = 0;
    private long ramMaxMb = 0;
    private double ramPercent = 0.0;

    // Spieler
    private int onlinePlayers = 0;
    private int loadedChunks = 0;

    // Entities (Welt → Kategorie → Anzahl)
    private Map<String, Map<String, Integer>> entityData = new HashMap<>();

    // Alerts (letzte X Alerts des Servers)
    private String lastAlert = "";
    private String lastAlertSeverity = "";

    // Timestamps
    private LocalDateTime lastUpdate = null;
    private LocalDateTime connectedSince = LocalDateTime.now();

    // Status
    private boolean online = false;

    public ServerData(String serverName) {
        this.serverName = serverName;
    }

    // ── Performance ──────────────────────────
    public void updatePerformance(double tps, double mspt,
                                   long ramUsedMb, long ramMaxMb,
                                   double ramPercent, int onlinePlayers, int loadedChunks) {
        this.tps = tps;
        this.mspt = mspt;
        this.ramUsedMb = ramUsedMb;
        this.ramMaxMb = ramMaxMb;
        this.ramPercent = ramPercent;
        this.onlinePlayers = onlinePlayers;
        this.loadedChunks = loadedChunks;
        this.lastUpdate = LocalDateTime.now();
        this.online = true;
    }

    // ── Entity-Daten ─────────────────────────
    public void updateEntityData(String worldName, int monsters, int animals,
                                  int waterMobs, int villagers, int armorStands,
                                  int hopperMinecarts, int items, int players,
                                  int other, int total) {
        Map<String, Integer> worldEntities = new HashMap<>();
        worldEntities.put("monsters", monsters);
        worldEntities.put("animals", animals);
        worldEntities.put("water_mobs", waterMobs);
        worldEntities.put("villagers", villagers);
        worldEntities.put("armor_stands", armorStands);
        worldEntities.put("hopper_minecarts", hopperMinecarts);
        worldEntities.put("items", items);
        worldEntities.put("players", players);
        worldEntities.put("other", other);
        worldEntities.put("total", total);
        this.entityData.put(worldName, worldEntities);
    }

    // ── Alert ────────────────────────────────
    public void updateAlert(String message, String severity) {
        this.lastAlert = message;
        this.lastAlertSeverity = severity;
    }

    public void markOffline() {
        this.online = false;
    }

    // ── Getter ───────────────────────────────
    public String getServerName()         { return serverName; }
    public double getTps()                { return tps; }
    public double getMspt()               { return mspt; }
    public long getRamUsedMb()            { return ramUsedMb; }
    public long getRamMaxMb()             { return ramMaxMb; }
    public double getRamPercent()         { return ramPercent; }
    public int getOnlinePlayers()         { return onlinePlayers; }
    public int getLoadedChunks()          { return loadedChunks; }
    public Map<String, Map<String, Integer>> getEntityData() { return entityData; }
    public String getLastAlert()          { return lastAlert; }
    public String getLastAlertSeverity()  { return lastAlertSeverity; }
    public LocalDateTime getLastUpdate()  { return lastUpdate; }
    public LocalDateTime getConnectedSince() { return connectedSince; }
    public boolean isOnline()             { return online; }

    public int getTotalEntities() {
        return entityData.values().stream()
                .mapToInt(m -> m.getOrDefault("total", 0))
                .sum();
    }
}