import { describe, it, expect } from "vitest";
import { StrategyCompiler } from "../../../src/planner/compiler.js";
import { Strategy } from "../../../src/strategy.schema.js";

describe("Strategy Compiler", () => {
  const executorAddr = "0x1234567890123456789012345678901234567890";

  it("should compile aaveV3.supply", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "supply",
        action: {
          type: "aaveV3.supply",
          asset: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
          amount: "1000000",
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
    expect(plan.calls[0].description).toContain("Aave v3 supply");
  });

  it("should compile aaveV3.setUserEMode", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "setEMode",
        action: {
          type: "aaveV3.setUserEMode",
          categoryId: 1,
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
  });

  it("should compile maker.openVault", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "openVault",
        action: {
          type: "maker.openVault",
          ilk: "ETH-A",
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
  });

  it("should compile balancer.batchSwap", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "batchSwap",
        action: {
          type: "balancer.batchSwap",
          kind: "givenIn",
          swaps: [{
            poolId: "0x...",
            assetInIndex: 0,
            assetOutIndex: 1,
            amount: "1000000",
          }],
          assets: [
            "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
            "0xdAC17F958D2ee523a2206206994597C13D831ec7",
          ],
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
  });

  it("should compile curve.exchange_underlying", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "exchange",
        action: {
          type: "curve.exchange_underlying",
          pool: "0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7",
          i: 0,
          j: 1,
          dx: "1000000",
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
  });

  it("should compile aggregators.swap1Inch", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "swap",
        action: {
          type: "aggregators.swap1Inch",
          tokenIn: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
          tokenOut: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
          amountIn: "1000000",
        },
      }],
    };

    // Mock 1inch API
    global.fetch = vi.fn().mockResolvedValue({
      ok: true,
      json: async () => ({
        toAmount: "1000000",
        tx: { data: "0x1234" },
      }),
    });

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
  });

  it("should compile perps.increasePosition", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "increase",
        action: {
          type: "perps.increasePosition",
          path: ["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"],
          indexToken: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
          amountIn: "1000000",
          sizeDelta: "2000000",
          isLong: true,
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.calls.length).toBe(1);
  });

  it("should wrap flash loan with subsequent operations", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Flash Loan",
      chain: "mainnet",
      steps: [
        {
          id: "flashLoan",
          action: {
            type: "aaveV3.flashLoan",
            assets: ["0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"],
            amounts: ["1000000"],
          },
        },
        {
          id: "swap",
          action: {
            type: "uniswapV3.swap",
            tokenIn: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
            tokenOut: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
            fee: 3000,
            amountIn: "1000000",
            exactInput: true,
          },
        },
      ],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    expect(plan.requiresFlashLoan).toBe(true);
    expect(plan.flashLoanAsset).toBe("0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48");
    // Should have executeFlashLoan call
    expect(plan.calls.some(c => c.description.includes("flash loan"))).toBe(true);
  });

  it("should substitute executor address in swaps", async () => {
    const compiler = new StrategyCompiler("mainnet");
    const strategy: Strategy = {
      name: "Test",
      chain: "mainnet",
      steps: [{
        id: "swap",
        action: {
          type: "uniswapV3.swap",
          tokenIn: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
          tokenOut: "0xdAC17F958D2ee523a2206206994597C13D831ec7",
          fee: 3000,
          amountIn: "1000000",
          exactInput: true,
        },
      }],
    };

    const plan = await compiler.compile(strategy, executorAddr);
    // Recipient should be executor address, not zero
    expect(plan.calls.length).toBe(1);
  });
});