package luckyblock.action;

import luckyblock.Main;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraftforge.event.TickEvent;
import net.minecraftforge.eventbus.api.SubscribeEvent;

import java.util.LinkedList;
import java.util.Queue;

public class LuckyActionManager {
    private static class Task {
        String fieldName;
        BlockPos pos;
        ServerLevel level;
        int remainingTicks;

        Task(String fieldName, BlockPos pos, ServerLevel level, int remainingTicks) {
            this.fieldName = fieldName.replace("-", "_");
            this.pos = pos;
            this.level = level;
            this.remainingTicks = remainingTicks;
        }
    }

    private static final Queue<Task> actions = new LinkedList<>();

    public static void enqueue(String actionField, BlockPos pos, ServerLevel level, int delayTicks) {
        actions.offer(new Task(actionField, pos, level, delayTicks));
    }

    public static void enqueue(String actionField, BlockPos pos, int delayTicks) {
        if (net.minecraftforge.server.ServerLifecycleHooks.getCurrentServer() != null) {
            enqueue(actionField, pos, net.minecraftforge.server.ServerLifecycleHooks.getCurrentServer().overworld(), delayTicks);
        }
    }

    @SubscribeEvent
    public static void onServerTick(TickEvent.ServerTickEvent event) {
        if (event.phase != TickEvent.Phase.END
                || actions.isEmpty()
                || Main.settings == null) {
            return;
        }

        int size = actions.size();
        for (int i=0;i<size;i++) {
            Task task = actions.poll();
            if (task == null) continue;

            task.remainingTicks--;
            if (task.remainingTicks <= 0) {
                ServerLevel level = task.level;
                if (level == null) {
                    level = event.getServer().overworld();
                }
                LuckyActionHolder action = Main.settings.events.get(task.fieldName);
                if (action != null) {
                    action.execute(level, task.pos);
                }
            }else {
                actions.offer(task);
            }
        }
    }
}