// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.24;

import {Test, console} from "forge-std/Test.sol";
import {UniV3TwapReader} from "../src/oracle/UniV3TwapReader.sol";

/// @notice Fork test against Arbitrum One: prices ARB via the canonical
///         ARB/USDC Uniswap v3 pool and sanity-checks the WAD output.
///         Run: forge test --mc TwapForkTest --fork-url https://arb1.arbitrum.io/rpc
contract TwapForkTest is Test {
    // Uniswap v3 ARB/USDC 0.05% pool on Arbitrum One
    address constant ARB_USDC_POOL = 0xb0f6cA40411360c03d41C5fFc5F179b8403CdcF8;
    address constant ARB = 0x912CE59144191C1204E64559FE8253a0e49E6548;

    function test_fork_arbTwap_sane() public {
        if (block.chainid != 42161) {
            vm.skip(true); // only meaningful on an Arbitrum fork
        }
        UniV3TwapReader reader = new UniV3TwapReader(ARB_USDC_POOL, ARB, 30 minutes, 1);
        uint256 p = reader.twapPrice();
        console.log("ARB 30m TWAP (WAD):", p);
        // sanity: ARB trades somewhere between $0.05 and $50
        assertGt(p, 0.05e18);
        assertLt(p, 50e18);
    }
}