import { TokenAccount } from "@ledgerhq/types-live";
import BigNumber from "bignumber.js";
import { isAccountEmpty } from "./helpers";
import { createMockCantonAccount, createMockPendingTransferProposal } from "./test/fixtures";

const createMockSubAccount = (overrides: Partial<TokenAccount> = {}): TokenAccount => {
  const account = createMockCantonAccount();
  const tokenAccount: TokenAccount = {
    ...account,
    type: "TokenAccount",
    parentId: "parent-id",
    token: {
      type: "TokenCurrency",
      id: "token-id",
      contractAddress: "0x123",
      name: "Test Token",
      ticker: "TEST",
      units: [],
      tokenType: "ERC20",
      parentCurrencyId: account.currency.id,
    },
    ...overrides,
  };
  return tokenAccount;
};

describe("isAccountEmpty", () => {
  describe("when account is not of type Account", () => {
    it("should return false for TokenAccount", () => {
      const tokenAccount = createMockSubAccount({
        parentId: "parent-account-id",
      });

      expect(isAccountEmpty(tokenAccount)).toBe(false);
    });
  });

  describe("when account is not a Canton account", () => {
    it("should return false for non-Canton account", () => {
      const { cantonResources, ...nonCantonAccount } = createMockCantonAccount();
      expect(isAccountEmpty(nonCantonAccount)).toBe(false);
    });
  });

  describe("when account is a Canton account", () => {
    it("should return true for empty account (zero operations, zero balance, no subAccounts, no pending proposals)", () => {
      const emptyAccount = createMockCantonAccount();

      expect(isAccountEmpty(emptyAccount)).toBe(true);
    });

    it("should return false when account has operations", () => {
      const accountWithOperations = createMockCantonAccount({
        operationsCount: 1,
      });

      expect(isAccountEmpty(accountWithOperations)).toBe(false);
    });

    it("should return false when account has non-zero balance", () => {
      const accountWithBalance = createMockCantonAccount({
        balance: new BigNumber(100),
      });

      expect(isAccountEmpty(accountWithBalance)).toBe(false);
    });

    it("should return false when account has subAccounts", () => {
      const accountWithSubAccounts = createMockCantonAccount({
        subAccounts: [createMockSubAccount()],
      });

      expect(isAccountEmpty(accountWithSubAccounts)).toBe(false);
    });

    it("should return false when account has pending transfer proposals", () => {
      const accountWithPendingProposals = createMockCantonAccount(
        {},
        {
          pendingTransferProposals: [createMockPendingTransferProposal()],
        },
      );

      expect(isAccountEmpty(accountWithPendingProposals)).toBe(false);
    });

    it("should return false when account has operations and balance", () => {
      const accountWithBoth = createMockCantonAccount({
        operationsCount: 5,
        balance: new BigNumber(1000),
      });

      expect(isAccountEmpty(accountWithBoth)).toBe(false);
    });

    it("should return false when account has operations and subAccounts", () => {
      const accountWithOperationsAndSubAccounts = createMockCantonAccount({
        operationsCount: 2,
        subAccounts: [createMockSubAccount()],
      });

      expect(isAccountEmpty(accountWithOperationsAndSubAccounts)).toBe(false);
    });

    it("should return false when account has balance and pending proposals", () => {
      const accountWithBalanceAndProposals = createMockCantonAccount(
        {
          balance: new BigNumber(500),
        },
        {
          pendingTransferProposals: [createMockPendingTransferProposal()],
        },
      );

      expect(isAccountEmpty(accountWithBalanceAndProposals)).toBe(false);
    });

    it("should return false when account has all non-empty indicators", () => {
      const fullyUsedAccount = createMockCantonAccount(
        {
          operationsCount: 10,
          balance: new BigNumber(10000),
          subAccounts: [
            createMockSubAccount({
              balance: new BigNumber(100),
              spendableBalance: new BigNumber(100),
              operationsCount: 5,
            }),
          ],
        },
        {
          instrumentUtxoCounts: {
            "instrument-1": 5,
            "instrument-2": 3,
          },
          pendingTransferProposals: [createMockPendingTransferProposal()],
        },
      );

      expect(isAccountEmpty(fullyUsedAccount)).toBe(false);
    });

    it("should handle undefined subAccounts", () => {
      const accountWithUndefinedSubAccounts = createMockCantonAccount();
      delete accountWithUndefinedSubAccounts.subAccounts;

      expect(isAccountEmpty(accountWithUndefinedSubAccounts)).toBe(true);
    });

    it("should handle empty subAccounts array", () => {
      const accountWithEmptySubAccounts = createMockCantonAccount();

      expect(isAccountEmpty(accountWithEmptySubAccounts)).toBe(true);
    });

    it("should handle empty pendingTransferProposals array", () => {
      const accountWithEmptyProposals = createMockCantonAccount();

      expect(isAccountEmpty(accountWithEmptyProposals)).toBe(true);
    });
  });
});