import React, { useState, useEffect } from "react";
import { IInventoryItem, IStakingSource, IClaimableResource } from "typings";
import CardLayout from "../Layouts/CardLayout";

const StakingSource = (props: {
  stakingSource: IStakingSource;
  inventoryItems: IInventoryItem[] | null | undefined;
  handleAddItem: (
    inventoryItem: IInventoryItem,
    stakingSource: IStakingSource
  ) => void;
  claimResource: (
    stakingSource: IStakingSource,
    claimedResource: IClaimableResource
  ) => boolean;
}) => {
  const [isMining, setIsMining] = useState(false);
  const [miningTime, setMiningTime] = useState(0);
  const [claimableResource, setClaimableResource] =
    useState<IClaimableResource | null>(null);
  const [activeInventoryItem, setActiveInventoryItem] =
    useState<IInventoryItem | null>(null);
  const [activeTier, setActiveTier] = useState(0);

  useEffect(() => {
    if (isMining && activeInventoryItem) {
      const intervalId = setInterval(() => {
        setMiningTime((prev) => prev - 1);
      }, 1000);

      if (miningTime === 0) {
        setIsMining(false);

        // Get a random resource from available wells
        let randResource =
          props.stakingSource.resourceWells[
            Math.floor(Math.random() * props.stakingSource.resourceWells.length)
          ];

        // Get yield based on the tier
        const totalYield = activeInventoryItem.storeItem.tiers[activeTier].tier;

        // Construct the claimableResource
        const claimableResource: IClaimableResource = {
          resourceType: randResource.resourceType,
          balance: totalYield,
        };

        setClaimableResource(claimableResource);
        clearInterval(intervalId);
        setMiningTime(activeInventoryItem.storeItem.timeToClaim);
      }

      return () => {
        clearInterval(intervalId);
      };
    }
  }, [isMining, miningTime]);

  const isChecked = (item: IInventoryItem) => {
    if (!props.stakingSource.inventoryItem) return false;
    return item.id === props.stakingSource.inventoryItem.id;
  };

  const handleStartMining = () => {
    if (props.stakingSource.inventoryItem) {
      setActiveInventoryItem(props.stakingSource.inventoryItem);
      setMiningTime(props.stakingSource.inventoryItem.storeItem.timeToClaim);
      setActiveTier(props.stakingSource.inventoryItem.currentTierIndex);
      setIsMining(true);
    }
  };

  const handleClaim = () => {
    if (!claimableResource) return;
    if (props.claimResource(props.stakingSource, claimableResource)) {
      setClaimableResource(null);
    }
  };

  const renderButton = () => {
    if (props.stakingSource.inventoryItem) {
      if (!claimableResource && !isMining) {
        return (
          <button
            onClick={() => handleStartMining()}
            className="bg-slate-100 text-slate-900 px-4 py-2 rounded-lg font-bold text-center"
          >
            Start Mining
          </button>
        );
      }
    }

    if (isMining)
      return (
        <button className="bg-slate-400 text-slate-600 px-4 py-2 rounded-lg font-bold w-28 text-center cursor-not-allowed">
          {miningTime}
        </button>
      );

    if (claimableResource) {
      return (
        <button
          onClick={() => handleClaim()}
          className="bg-slate-100 text-slate-900 px-4 py-2 rounded-lg font-bold text-center"
        >
          Claim
        </button>
      );
    }
  };

  return (
    <CardLayout>
      <h3 className="text-xl font-bold mb-2">{props.stakingSource.name}</h3>
      <p className="text-sm">{props.stakingSource.description}</p>
      <div className="flex gap-4">
        <div className="flex-1">
          <p className="font-bold mt-4">Resources</p>
          <ul className="list-none">
            {props.stakingSource.resourceWells.map((resourceWell, id) => (
              <li key={id}>
                <span>{resourceWell.resourceType.name}</span>{" "}
                <span className="text-teal-500 font-bold">
                  {resourceWell.supply}
                </span>
              </li>
            ))}
          </ul>
        </div>
        <div className="flex-1">
          <p className="font-bold mt-4">Status</p>
          <ul className="list-none">
            <li className="flex">
              <span className="text-green-600 mr-1">
                <svg
                  xmlns="http://www.w3.org/2000/svg"
                  fill="none"
                  viewBox="0 0 24 24"
                  strokeWidth="1.5"
                  stroke="currentColor"
                  className="w-6 h-6"
                >
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z"
                  />
                </svg>
              </span>
              Operational
            </li>
          </ul>
          <p className="font-bold mt-4">Equipment</p>
          {!isMining
            ? props.inventoryItems &&
              props.inventoryItems.map((item, id) => (
                <div key={id}>
                  <input
                    type="radio"
                    name="inventoryItem"
                    value={item.id}
                    checked={isChecked(item)}
                    onChange={() =>
                      props.handleAddItem(item, props.stakingSource)
                    }
                  />
                  <label htmlFor={item.id.toString()}>
                    {item.storeItem.name}{" "}
                    <span className="bg-white text-black rounded-full px-2">
                      {item.currentTierIndex + 1}
                    </span>
                  </label>
                </div>
              ))
            : props.stakingSource.inventoryItem && (
                <p>{props.stakingSource.inventoryItem.storeItem.name}</p>
              )}
        </div>
      </div>
      {renderButton()}
    </CardLayout>
  );
};

export default StakingSource;