import { Blockchain, SandboxContract, TreasuryContract } from "@ton/sandbox";
import { Cell, toNano } from "@ton/core";
import { WormholeTest, WormholeTestConfig } from "../wrappers/WormholeTest";
import "@ton/test-utils";
import { compile } from "@ton/blueprint";
import {
  createGuardianSetUpgradeBytes,
  GUARDIAN_SET_0,
  GUARDIAN_SET_4,
  MAINNET_UPGRADE_VAAS,
} from "./utils/wormhole";

describe("WormholeTest", () => {
  let code: Cell;

  beforeAll(async () => {
    code = await compile("WormholeTest");
  });

  let blockchain: Blockchain;
  let deployer: SandboxContract<TreasuryContract>;
  let wormholeTest: SandboxContract<WormholeTest>;

  beforeEach(async () => {
    blockchain = await Blockchain.create();
    deployer = await blockchain.treasury("deployer");
  });

  async function deployContract(
    guardianSetIndex: number = 0,
    guardianSet: string[] = GUARDIAN_SET_0,
    chainId: number = 1,
    governanceChainId: number = 1,
    governanceContract: string = "0000000000000000000000000000000000000000000000000000000000000004"
  ) {
    const config: WormholeTestConfig = {
      guardianSetIndex,
      guardianSet,
      chainId,
      governanceChainId,
      governanceContract,
    };

    wormholeTest = blockchain.openContract(
      WormholeTest.createFromConfig(config, code)
    );

    const deployResult = await wormholeTest.sendDeploy(
      deployer.getSender(),
      toNano("0.05")
    );

    expect(deployResult.transactions).toHaveTransaction({
      from: deployer.address,
      to: wormholeTest.address,
      deploy: true,
      success: true,
    });

    const guardianSetIndexRes = await wormholeTest.getCurrentGuardianSetIndex();
    expect(guardianSetIndexRes).toBe(guardianSetIndex);
  }

  it("should correctly parse encoded upgrade", async () => {
    await deployContract();

    const currentGuardianSetIndex = 3;
    const newGuardianSetIndex = 4;
    const chainId = 1; // Example chain ID
    const encodedUpgrade = createGuardianSetUpgradeBytes(
      chainId,
      newGuardianSetIndex,
      GUARDIAN_SET_4
    );

    const result = await wormholeTest.getParseEncodedUpgrade(
      currentGuardianSetIndex,
      encodedUpgrade
    );

    expect(result.action).toBe(2);
    expect(result.chain).toBe(chainId);
    expect(result.module.toString(16)).toBe("436f7265");
    expect(result.newGuardianSetIndex).toBeGreaterThan(currentGuardianSetIndex);
    expect(result.newGuardianSetIndex).toBe(newGuardianSetIndex);
    expect(result.newGuardianSetKeys).toEqual(GUARDIAN_SET_4);
  });

  it("should fail with invalid encoded upgrade", async () => {
    await deployContract();

    const currentGuardianSetIndex = 3;
    const newGuardianSetIndex = 4;
    const chainId = 1; // Example chain ID
    const encodedUpgrade = createGuardianSetUpgradeBytes(
      chainId,
      newGuardianSetIndex,
      GUARDIAN_SET_4
    );

    // Replace the first 32 bytes with zeros
    const zeroBytes = Buffer.alloc(32, 0);
    zeroBytes.copy(encodedUpgrade, 0, 0, 32);

    await expect(
      wormholeTest.getParseEncodedUpgrade(
        currentGuardianSetIndex,
        encodedUpgrade
      )
    ).rejects.toThrow("Unable to execute get method. Got exit_code: 1011"); // ERROR_INVALID_MODULE = 1011
  });

  it("should correctly parse and verify wormhole vm", async () => {
    await deployContract();

    const mainnet_upgrade_vaa_1 = MAINNET_UPGRADE_VAAS[0];

    const result = await wormholeTest.getParseAndVerifyWormholeVm(
      Buffer.from(mainnet_upgrade_vaa_1, "hex")
    );
    expect(result.version).toBe(1);
    expect(result.vm_guardian_set_index).toBe(0);
    expect(result.timestamp).toBe(1628094930);
    expect(result.nonce).toBe(3);
    expect(result.emitter_chain_id).toBe(1);
    expect(result.emitter_address.toString()).toBe(
      "0000000000000000000000000000000000000000000000000000000000000004"
    );
    expect(result.sequence).toBe(1337);
    expect(result.consistency_level).toBe(0);
    expect(result.payload).toBe(mainnet_upgrade_vaa_1.slice(246));
    expect(result.hash).toBe(
      "ed3a5600d44b9dcc889daf0178dd69ab1e9356308194ba3628a7b720ae48a8d5"
    );
  });

  it("should correctly update guardian set", async () => {
    await deployContract();

    const mainnet_upgrade_vaa_1 = MAINNET_UPGRADE_VAAS[0];

    const getUpdateGuardianSetResult = await wormholeTest.getUpdateGuardianSet(
      Buffer.from(mainnet_upgrade_vaa_1, "hex")
    );
    expect(getUpdateGuardianSetResult).toBe(-1);
  });

  it("should fail with wrong vaa", async () => {
    await deployContract();
    const invalid_mainnet_upgrade_vaa = "00" + MAINNET_UPGRADE_VAAS[0].slice(2);
    await expect(
      wormholeTest.getUpdateGuardianSet(
        Buffer.from(invalid_mainnet_upgrade_vaa, "hex")
      )
    ).rejects.toThrow("Unable to execute get method. Got exit_code: 1001"); // ERROR_INVALID_VERSION = 1001
  });
});