import util from 'util';
import fs from 'fs';
import path from 'path';
import workspacesRun from "workspaces-run";
import { Workspace } from 'workspaces-run/dist/types';

interface PackageLike {
    name: string;
    dir: string;
    config: {
        version: string;
        peerDependencies?: Record<string, string>;
    }
}

const writeFile = util.promisify(fs.writeFile);
const writeJson = (file: string, data: unknown) => writeFile(file, `${JSON.stringify(data, null, 2)}\n`);

async function main(): Promise<void> {
    const versions: Record<string, string> = {};
    const packagesWithPeers: PackageLike[] = [];

    await workspacesRun({cwd: process.cwd()}, async (pkg: Workspace) => {
        versions[pkg.name] = pkg.config.version;

        if(pkg.config.peerDependencies) {
            packagesWithPeers.push(pkg);
        }
    })

    const result = await Promise.allSettled(packagesWithPeers.map((pkg) => {
        const json = pkg.config;
        const peers = json.peerDependencies;

        for(const n in peers){
            if(n in versions){
                peers[n] = versions[n];
            }
        }

        return writeJson(path.join(pkg.dir, 'package.json'), json);
    }));

    result.forEach((res) => {
        if(res.status === 'rejected'){
            console.error(res.reason);
        }
    })
}

main();