package ru.mralexeimk.minecraft.islandia.services;

import lombok.Getter;
import org.bukkit.entity.Player;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;
import ru.mralexeimk.minecraft.islandia.builders.MessageConstructor;
import ru.mralexeimk.minecraft.islandia.services.additional.LogService;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;

@Service
public class CooldownService {
    private final ConfigService configService;
    private final LogService logService;

    @Getter
    private final ConcurrentHashMap<UUID, Map<String, Long>> playersCooldowns = new ConcurrentHashMap<>();

    public CooldownService(ConfigService configService, LogService logService) {
        this.configService = configService;
        this.logService = logService;
    }

    private void add(Player p, String tag, long periodSeconds) {
        Map<String, Long> cd = playersCooldowns.getOrDefault(p.getUniqueId(),
                new HashMap<>());
        cd.put(tag, System.currentTimeMillis() / 1000 + periodSeconds);
        playersCooldowns.put(p.getUniqueId(), cd);
    }

    /**
     * Clear 'playersCooldowns' every 30 minutes
     */
    @Scheduled(fixedDelay = 1000*60*30)
    public void clear() {
        if(playersCooldowns.isEmpty()) return;
        for(UUID uuid : playersCooldowns.keySet()) {
            if(!playersCooldowns.containsKey(uuid)) continue;
            for(String tag : playersCooldowns.get(uuid).keySet()) {
                long curTime = System.currentTimeMillis() / 1000;
                Long endTime = playersCooldowns.get(uuid).get(tag);
                if(endTime == null || curTime >= endTime) {
                    playersCooldowns.get(uuid).remove(tag);
                }
            }
            if(playersCooldowns.get(uuid).isEmpty()) {
                playersCooldowns.remove(uuid);
            }
        }
    }

    /**
     * Set cooldown for player at this line of code
     * @return next lines of code will be run?
     */
    public boolean cooldown(Player p, String tag, long periodSeconds) {
        if(p.hasPermission("islandia.admin")) return true;
        if(!playersCooldowns.containsKey(p.getUniqueId()) ||
                !playersCooldowns.get(p.getUniqueId()).containsKey(tag)) {
            add(p, tag, periodSeconds);
            return true;
        }
        long curTime = System.currentTimeMillis() / 1000;
        long endTime = playersCooldowns.get(p.getUniqueId()).get(tag);

        if(curTime >= endTime) {
            add(p, tag, periodSeconds);
            return true;
        }

        MessageConstructor
                .of(configService.getMessage(p, "cooldown"))
                .replace("%cooldown%", String.valueOf(endTime - curTime))
                .send(p);

        return false;
    }
}