import {JsonRpcProvider} from 'ethers'
import { readFileSync, writeFileSync } from 'fs';

let providerUtil: JsonRpcProvider = null;

function getElapsed(time: number,lens: number = 1000): number {
    let elapsed = Date.now() - time;
    return elapsed / lens;
    //return Math.floor(elapsed/lens);
}
async function sleep(ms: number, message: string = 'wait..... ') {
    //console.log(message);
    return new Promise((resolve) => {
      setTimeout(resolve, ms);
    });
}

function setProvider(provider: JsonRpcProvider) {
    providerUtil = provider;
}

async function checkReceipt(txids: any[], label: string = ''): Promise<boolean> {

    const now = Date.now();
    let counter = 0;
    if(label != '') 
        console.log(`wait... ${label}`);

    let finCounter = 0;
    while(true) {
        
        
        for(let i = 0; i < txids.length; i++) {
            let txid = txids[i].txid;
            if(txids[i].finished) {
                continue;
            }
            const receipt = await providerUtil.send('eth_getTransactionReceipt',[txid]);
            if(receipt != null) {
                txids[i].finished = true;
                ++finCounter;
                if(receipt.status = 1) {
                    // if(label != '') {
                    //     console.log(`${label} finished`);
                    // }
                    txids[i].status = true;
                } else {
                    txids[i].status = false;
                }
                //console.log(receipt);
            }
            sleep(5)
        }

        //console.log(`finsounter = ${finCounter}`);
        if(finCounter == txids.length) {
            // console.log(`finCounter = ${finCounter}`);
            const elapsed = getElapsed(now,1000);
            console.log(`receipt check elapsed = ${elapsed}`);
            return true
        }
        counter++;
        if(counter > 300) {
            console.log(`Receipt check timed out ${finCounter}`);
            return false;
        }
        await sleep(50);
    }
    return false;
}

async function checkReceipt2(txids: Map<string,boolean>,startEndTx: string[], label: string = ''): Promise<Map<string,any>> {

    const now = Date.now();
    let counter = 0;
    if(label != '') {
        console.log(`${label}`);
    } else {
        console.log(`wait for txs is finished... `);
    }
        

    let returnMap = new Map<string,string>();

    const loop = 300;
    let finCounter = 0;
    let receipts = [];
    while(true) {
        receipts = [];
        //console.log(`size of sended tx... ${txids.size}`);
        if(txids.size == 0) {
            console.log('all tx finalized');
            return returnMap;
        }
            

        txids.forEach( (value: boolean, key: string) => {
            if(!value) {
                // console.log(key);
                const receipt = providerUtil.send('eth_getTransactionReceipt',[key]);
                receipts.push(receipt);
            }
        });

        let recs = await Promise.all(receipts);
        recs.forEach( res => {
            if(res != null) {
                //console.log(res.transactionHash);
                startEndTx.forEach(txid => {
                    if(res.transactionHash == txid) {
                        returnMap.set(txid,res.blockHash);
                    }
                })
                txids.delete(res.transactionHash);
            }
        })
        counter++;
        if(counter > loop) {
            console.log(`Receipt check timed out ${finCounter}`);
            return returnMap;
        }

        await sleep(50);
    }
    return returnMap;
}

async function getBlockInfo(blockHash: string, verbose: boolean = true): Promise<any> {
    const info = await providerUtil.send('eth_getBlockByHash',[blockHash,verbose]);
    return info;
}

async function getNonce(addr: string): Promise<number> {
    const nonce = await providerUtil.getTransactionCount(addr);
    return nonce;
}

const DEPLOYMENTS_JSON_FILE = 'deployments.json';
export function saveDeploymentAddresses(
    name: string,
    deployments: any,
  ) {
const filename = name + '_' + DEPLOYMENTS_JSON_FILE;
try {
    writeFileSync(filename, JSON.stringify(deployments, null, 2), 'utf-8');
} catch (_) {
    console.log(`❕ no deployments file found with name ${filename}`);
}
}

export function getDeploymentAddresses(name:string): any {
const filename = name + '_' + DEPLOYMENTS_JSON_FILE;
try {
    return JSON.parse(readFileSync(filename, 'utf-8'));
} catch (_) {
    console.log(`❕ no deployments file found with name ${filename}`);
    return {};
}
}

export {checkReceipt,checkReceipt2, sleep, getElapsed, setProvider,getBlockInfo,getNonce }