// SPDX-License-Identifier: MIT
pragma solidity ^0.8.30;

import {Love} from "../src/Love.sol";
import {Script, console} from "forge-std/Script.sol";

/// @notice Deploys `Love` with CREATE2 through the canonical deterministic
///         deployer, so the token gets the same address on every EVM network.
///         The address depends only on the salt and the creation code — keep
///         `solc`, the optimizer settings and `bytecode_hash = "none"` as they
///         are in `foundry.toml`, or the address changes.
contract LoveScript is Script {
    bytes32 public constant DEFAULT_SALT = keccak256("LOVE");

    Love public love;

    function run() public returns (Love) {
        bytes32 s = salt();
        address predicted = predict(s);

        console.log("deployer     ", CREATE2_FACTORY);
        console.log("salt         ", vm.toString(s));
        console.log("initCodeHash ", vm.toString(initCodeHash()));
        console.log("predicted    ", predicted);

        if (predicted.code.length > 0) {
            console.log("already deployed, nothing to do");
            love = Love(predicted);
            return love;
        }

        vm.startBroadcast();
        love = new Love{salt: s}();
        vm.stopBroadcast();

        require(address(love) == predicted, "LoveScript: address mismatch");

        console.log("Love deployed at", address(love));
        console.log("name         ", love.name());
        console.log("symbol       ", love.symbol());
        console.log("totalSupply  ", love.totalSupply());

        return love;
    }

    /// @notice Print the address `run()` would deploy to, without broadcasting.
    function predict() public view returns (address predicted) {
        bytes32 s = salt();
        predicted = predict(s);

        console.log("salt         ", vm.toString(s));
        console.log("initCodeHash ", vm.toString(initCodeHash()));
        console.log("predicted    ", predicted);
    }

    function predict(bytes32 s) public pure returns (address) {
        return vm.computeCreate2Address(s, initCodeHash(), CREATE2_FACTORY);
    }

    function initCodeHash() public pure returns (bytes32) {
        return keccak256(type(Love).creationCode);
    }

    /// @dev `SALT` overrides the default, e.g. to mine a vanity address.
    function salt() public view returns (bytes32) {
        return vm.envOr("SALT", DEFAULT_SALT);
    }
}