const path = require("path");
const fs = require("fs");

const PROJECT_ROOT = path.resolve(__dirname, "..");
const DEPLOYMENT_PATH = path.resolve(PROJECT_ROOT, "deployments");

function getDeploymentAddresses(networkName) {
    let folderName = networkName;
    if (networkName === "hardhat") {
        folderName = "localhost";
    }

    const networkFolderName = fs
        .readdirSync(DEPLOYMENT_PATH)
        .filter((f) => f === folderName)[0];
    if (networkFolderName === undefined) {
        throw new Error("missing deployment files for endpoint " + folderName);
    }

    let rtnAddresses = {};
    const networkFolderPath = path.resolve(DEPLOYMENT_PATH, folderName);
    const files = fs
        .readdirSync(networkFolderPath)
        .filter((f) => f.includes(".json"));
    files.forEach((file) => {
        const filepath = path.resolve(networkFolderPath, file);
        const data = JSON.parse(fs.readFileSync(filepath));
        const contractName = file.split(".")[0];
        rtnAddresses[contractName] = data.address;
    });

    return rtnAddresses;
}

module.exports = {
    getDeploymentAddresses,
};