import { expect } from "chai";
import { ethers } from "hardhat";
import { {{CONTRACT_NAME}} } from "../typechain-types";
import { HardhatEthersSigner } from "@nomicfoundation/hardhat-ethers/signers";

describe("{{CONTRACT_NAME}}", function () {
  let escrow: {{CONTRACT_NAME}};
  let owner: HardhatEthersSigner;
  let buyer: HardhatEthersSigner;
  let seller: HardhatEthersSigner;
  let arbiter: HardhatEthersSigner;

  const FEE_RATE = 100; // 1%
  const ONE_WEEK = 86400 * 7;

  beforeEach(async function () {
    [owner, buyer, seller, arbiter] = await ethers.getSigners();

    const EscrowFactory = await ethers.getContractFactory("{{CONTRACT_NAME}}");
    escrow = await EscrowFactory.deploy(FEE_RATE, owner.address);
    await escrow.waitForDeployment();
  });

  describe("Deployment", function () {
    it("Should set the correct fee rate", async function () {
      expect(await escrow.escrowFeeRate()).to.equal(FEE_RATE);
    });

    it("Should set the correct fee recipient", async function () {
      expect(await escrow.feeRecipient()).to.equal(owner.address);
    });

    it("Should start with zero escrows", async function () {
      expect(await escrow.getEscrowCount()).to.equal(0);
    });
  });

  describe("Escrow Creation", function () {
    it("Should reject self-escrow", async function () {
      // Would need encrypted amount input
    });
  });

  describe("Escrow States", function () {
    it("Should track escrow count", async function () {
      expect(await escrow.getEscrowCount()).to.equal(0);
    });
  });

  describe("Release Flow", function () {
    it("Should reject release for non-existent escrow", async function () {
      await expect(escrow.releaseFunds(999))
        .to.be.revertedWithCustomError(escrow, "EscrowNotFound");
    });
  });

  describe("Refund Flow", function () {
    it("Should reject refund for non-existent escrow", async function () {
      await expect(escrow.refund(999))
        .to.be.revertedWithCustomError(escrow, "EscrowNotFound");
    });
  });

  describe("Dispute Resolution", function () {
    it("Should reject dispute for non-existent escrow", async function () {
      await expect(escrow.dispute(999))
        .to.be.revertedWithCustomError(escrow, "EscrowNotFound");
    });

    it("Should reject resolve for non-existent escrow", async function () {
      await expect(escrow.resolveDispute(999, true))
        .to.be.revertedWithCustomError(escrow, "EscrowNotFound");
    });
  });

  describe("Use Cases", function () {
    it("Freelance payment scenario", async function () {
      /**
       * Scenario: Client hires freelancer for $5000 project
       *
       * 1. Client creates escrow with encrypted $5000
       * 2. Client funds escrow
       * 3. Freelancer delivers work
       * 4. Client releases funds
       *
       * Privacy: Amount hidden from blockchain observers
       */
    });

    it("P2P crypto trade scenario", async function () {
      /**
       * Scenario: Alice sells 1 BTC to Bob for 50,000 USDC
       *
       * 1. Alice creates escrow (seller) with encrypted BTC amount
       * 2. Bob (buyer) funds with encrypted USDC
       * 3. Alice sends BTC off-chain
       * 4. Bob confirms, releases USDC to Alice
       *
       * Privacy: Trade amounts hidden from competitors
       */
    });

    it("Real estate deposit scenario", async function () {
      /**
       * Scenario: $50,000 earnest money deposit
       *
       * 1. Buyer creates escrow with title company as arbiter
       * 2. Buyer funds with encrypted amount
       * 3. If deal closes: funds released to seller
       * 4. If deal falls through: funds refunded per contract
       * 5. If dispute: arbiter decides
       *
       * Privacy: Deposit amount private during negotiations
       */
    });
  });

  describe("Privacy", function () {
    it("Should keep escrow amounts encrypted", async function () {
      /**
       * FHE ensures:
       * - Escrow amount is encrypted at creation
       * - Only parties (buyer, seller, arbiter) can view
       * - Blockchain observers see only encrypted values
       * - Amount revealed only to recipient upon release
       */
    });
  });
});