import {ethers} from "ethers";
import {getAbi} from "./abi.js";
import {getProvider, getSigner} from "./blockchain.js";
import {Cache} from './cache.js';

const DEPLOYER_ADDRESS = '0xF99aB16Bd8398EAf12407D05A0F8824316008E99'
const VAULT_INIT_CODE_HASH = '0xbf043f7035d5aa3be2b3c94df5b256fbe24675689327af4ab71c48194c463031'

const vaults = new Cache('vaults') // vault:owner

const deployerAbi = await getAbi('VaultDeployer');


function newVault(address, owner) {
    return {address, owner, balances: {}}
}

export function vaultAddress(chainId, ownerAddress) {
    const encoded = ethers.AbiCoder.defaultAbiCoder().encode(['address'], [ownerAddress])
    const salt = ethers.keccak256(encoded)
    return ethers.getCreate2Address(DEPLOYER_ADDRESS, salt, VAULT_INIT_CODE_HASH)
}


export function loginAddress(socket, chainId, address) {
    // todo check for existing vault
    if (!vaults[address]) {
        //
    } else {
        // todo send welcome with basic info and extra tokens

    }
}


export async function ensureVault(socket, chainId, owner) {
    const address = vaultAddress(chainId, owner)
    if (!vaults[address]) {
        const deployer = new ethers.Contract(DEPLOYER_ADDRESS, deployerAbi, getSigner(chainId))
        await deployer.deployVault(owner)
    }
}


export async function watchVaultCreated(provider, db, event) {
    console.log(`vault created`, event)
}

export async function watchErc20Transfer(provider, db, event) {
    console.log('Transfer', event)
}