import { expect } from 'chai';
import { ethers } from 'hardhat';
import { SignerWithAddress } from '@nomiclabs/hardhat-ethers/signers';
import { EventManager } from '../typechain-types/EventManager';

describe('EventManager', function () {
  let eventManager: EventManager;
  let owner: SignerWithAddress;
  let addr1: SignerWithAddress;
  let addr2: SignerWithAddress;

  const EVENT_NAME = 'Test Event';
  const EVENT_DESCRIPTION = 'This is a test event';
  const EVENT_CAPACITY = 100;
  const EVENT_TICKET_PRICE = 1000; // 10 USD in cents
  const EVENT_DATE = Math.floor(Date.now() / 1000) + 86400; // 1 day from now
  const EVENT_IMAGES = ['image1.jpg', 'image2.jpg'];

  beforeEach(async function () {
    [owner, addr1, addr2] = await ethers.getSigners();

    const EventManager = await ethers.getContractFactory('EventManager');
    eventManager = await EventManager.deploy();
    await eventManager.deployed();
  });

  async function createTestEvent() {
    await eventManager.createEvent(
      EVENT_NAME,
      EVENT_DESCRIPTION,
      EVENT_CAPACITY,
      EVENT_TICKET_PRICE,
      EVENT_DATE,
      EVENT_IMAGES
    );
  }

  // describe("Event Creation", function () {
  //   it("Should create an event with correct details", async function () {
  //     await createTestEvent();

  //     const event = await eventManager.events(0);
  //     expect(event.name).to.equal(EVENT_NAME);
  //     expect(event.description).to.equal(EVENT_DESCRIPTION);
  //     expect(event.capacity).to.equal(EVENT_CAPACITY);
  //     expect(event.ticketPrice).to.equal(EVENT_TICKET_PRICE);
  //     expect(event.eventDate).to.equal(EVENT_DATE);
  //     expect(event.eventHost).to.equal(owner.address);
  //   });

  //   it("Should emit EventCreated event", async function () {
  //     await expect(await createTestEvent())
  //       .to.emit(eventManager, "EventCreated")
  //       .withArgs(0, EVENT_NAME, EVENT_DATE);
  //   });
  // });

  describe('Ticket Purchase', function () {
    beforeEach(async function () {
      await createTestEvent();
    });

    it('Should allow buying a ticket', async function () {
      const ticketPriceFlare = await eventManager.getEventPriceFlare(0);
      await expect(
        eventManager.connect(addr1).buyTicket(0, { value: ticketPriceFlare })
      )
        .to.emit(eventManager, 'TicketPurchased')
        .withArgs(0, 0, addr1.address, ticketPriceFlare);

      const ticket = await eventManager.tickets(0);
      expect(ticket.holder).to.equal(addr1.address);
      expect(ticket.eventId).to.equal(0);
    });

    it('Should fail if insufficient funds are provided', async function () {
      const ticketPriceFlare = await eventManager.getEventPriceFlare(0);
      await expect(
        eventManager
          .connect(addr1)
          .buyTicket(0, { value: ticketPriceFlare.sub(1) })
      ).to.be.revertedWith('Insufficient value provided');
    });
  });

  describe('Ticket Transfer', function () {
    beforeEach(async function () {
      await createTestEvent();
      const ticketPriceFlare = await eventManager.getEventPriceFlare(0);
      await eventManager
        .connect(addr1)
        .buyTicket(0, { value: ticketPriceFlare });
    });

    it('Should allow transferring a ticket', async function () {
      await expect(eventManager.connect(addr1).transferTicket(0, addr2.address))
        .to.emit(eventManager, 'TicketTransferred')
        .withArgs(0, addr1.address, addr2.address);

      const ticket = await eventManager.tickets(0);
      expect(ticket.holder).to.equal(addr2.address);
    });

    it('Should fail if non-owner tries to transfer', async function () {
      await expect(
        eventManager.connect(addr2).transferTicket(0, addr2.address)
      ).to.be.revertedWith('You do not own this ticket');
    });
  });

  describe('Ticket Approval and Transfer', function () {
    beforeEach(async function () {
      await createTestEvent();
      const ticketPriceFlare = await eventManager.getEventPriceFlare(0);
      await eventManager
        .connect(addr1)
        .buyTicket(0, { value: ticketPriceFlare });
    });

    it('Should allow approving and transferring a ticket', async function () {
      await expect(
        eventManager.connect(addr1).approveTicket(0, addr2.address, true)
      )
        .to.emit(eventManager, 'TicketTransferApproved')
        .withArgs(0, addr1.address, addr2.address);

      await expect(
        eventManager.connect(addr2).transferTicketFrom(0, addr2.address)
      )
        .to.emit(eventManager, 'TicketTransferred')
        .withArgs(0, addr1.address, addr2.address);

      const ticket = await eventManager.tickets(0);
      expect(ticket.holder).to.equal(addr2.address);
    });

    it('Should fail if transferring without approval', async function () {
      await expect(
        eventManager.connect(addr2).transferTicketFrom(0, addr2.address)
      ).to.be.revertedWith('You are not allowed to transfer this ticket');
    });
  });
});