import { AnchorProvider, Wallet } from '@project-serum/anchor';
import { Connection, Keypair } from '@solana/web3.js';
import fs from 'fs';
import { OrderType, Side } from '../accounts/perp';
import {
  Serum3OrderType,
  Serum3SelfTradeBehavior,
  Serum3Side,
} from '../accounts/serum3';
import { MangoClient } from '../client';
import { MANGO_V4_ID } from '../constants';
import { toUiDecimals } from '../utils';

//
// An example for users based on high level api i.e. the client
// Create
// process.env.USER_KEYPAIR - mango account owner keypair path
// process.env.ADMIN_KEYPAIR - group admin keypair path (useful for automatically finding the group)
//
// This script deposits some tokens, places some serum orders, cancels them, places some perp orders
//

async function main() {
  const options = AnchorProvider.defaultOptions();
  const connection = new Connection(
    'https://mango.devnet.rpcpool.com',
    options,
  );

  const user = Keypair.fromSecretKey(
    Buffer.from(
      JSON.parse(fs.readFileSync(process.env.USER_KEYPAIR!, 'utf-8')),
    ),
  );
  const userWallet = new Wallet(user);
  const userProvider = new AnchorProvider(connection, userWallet, options);
  const client = await MangoClient.connect(
    userProvider,
    'devnet',
    MANGO_V4_ID['devnet'],
  );
  console.log(`User ${userWallet.publicKey.toBase58()}`);

  // fetch group
  const admin = Keypair.fromSecretKey(
    Buffer.from(
      JSON.parse(fs.readFileSync(process.env.ADMIN_KEYPAIR!, 'utf-8')),
    ),
  );
  const group = await client.getGroupForAdmin(admin.publicKey, 0);
  console.log(group.toString());

  // create + fetch account
  console.log(`Creating mangoaccount...`);
  const mangoAccount = await client.getOrCreateMangoAccount(
    group,
    user.publicKey,
    0,
    'my_mango_account',
  );
  console.log(`...created/found mangoAccount ${mangoAccount.publicKey}`);
  console.log(mangoAccount.toString());

  await mangoAccount.reloadAccountData(client, group);

  if (true) {
    // deposit and withdraw
    console.log(`Depositing...50 USDC`);
    await client.tokenDeposit(group, mangoAccount, 'USDC', 50);
    await mangoAccount.reload(client, group);

    console.log(`Depositing...0.0005 BTC`);
    await client.tokenDeposit(group, mangoAccount, 'BTC', 0.0005);
    await mangoAccount.reload(client, group);

    console.log(`Withdrawing...0.1 ORCA`);
    await client.tokenWithdraw2(
      group,
      mangoAccount,
      'ORCA',
      0.1 * Math.pow(10, group.banksMap.get('ORCA').mintDecimals),
      true,
    );
    await mangoAccount.reload(client, group);
    console.log(mangoAccount.toString());

    // serum3
    console.log(
      `Placing serum3 bid which would not be settled since its relatively low then midprice...`,
    );
    await client.serum3PlaceOrder(
      group,
      mangoAccount,

      'BTC/USDC',
      Serum3Side.bid,
      20,
      0.0001,
      Serum3SelfTradeBehavior.decrementTake,
      Serum3OrderType.limit,
      Date.now(),
      10,
    );
    await mangoAccount.reload(client, group);

    console.log(`Placing serum3 bid way above midprice...`);
    await client.serum3PlaceOrder(
      group,
      mangoAccount,

      'BTC/USDC',
      Serum3Side.bid,
      90000,
      0.0001,
      Serum3SelfTradeBehavior.decrementTake,
      Serum3OrderType.limit,
      Date.now(),
      10,
    );
    await mangoAccount.reload(client, group);

    console.log(`Placing serum3 ask way below midprice...`);
    await client.serum3PlaceOrder(
      group,
      mangoAccount,

      'BTC/USDC',
      Serum3Side.ask,
      30000,
      0.0001,
      Serum3SelfTradeBehavior.decrementTake,
      Serum3OrderType.limit,
      Date.now(),
      10,
    );

    console.log(`Current own orders on OB...`);
    let orders = await client.getSerum3Orders(
      group,

      'BTC/USDC',
    );
    for (const order of orders) {
      console.log(
        ` - Order orderId ${order.orderId}, ${order.side}, ${order.price}, ${order.size}`,
      );
      console.log(` - Cancelling order with ${order.orderId}`);
      await client.serum3CancelOrder(
        group,
        mangoAccount,

        'BTC/USDC',
        order.side === 'buy' ? Serum3Side.bid : Serum3Side.ask,
        order.orderId,
      );
    }

    console.log(`Current own orders on OB...`);
    orders = await client.getSerum3Orders(
      group,

      'BTC/USDC',
    );
    for (const order of orders) {
      console.log(order);
    }

    console.log(`Settling funds...`);
    await client.serum3SettleFunds(
      group,
      mangoAccount,

      'BTC/USDC',
    );
  }

  if (true) {
    await mangoAccount.reload(client, group);
    console.log(
      'mangoAccount.getEquity() ' +
        toUiDecimals(mangoAccount.getEquity().toNumber()),
    );
    console.log(
      'mangoAccount.getCollateralValue() ' +
        toUiDecimals(mangoAccount.getCollateralValue().toNumber()),
    );
    console.log(
      'mangoAccount.getAssetsVal() ' +
        toUiDecimals(mangoAccount.getAssetsVal().toNumber()),
    );
    console.log(
      'mangoAccount.getLiabsVal() ' +
        toUiDecimals(mangoAccount.getLiabsVal().toNumber()),
    );
    console.log(
      "mangoAccount.getMaxWithdrawWithBorrowForToken(group, 'SOL') " +
        toUiDecimals(
          (
            await mangoAccount.getMaxWithdrawWithBorrowForToken(group, 'SOL')
          ).toNumber(),
        ),
    );
    console.log(
      "mangoAccount.getSerum3MarketMarginAvailable(group, 'BTC/USDC') " +
        toUiDecimals(
          mangoAccount
            .getSerum3MarketMarginAvailable(group, 'BTC/USDC')
            .toNumber(),
        ),
    );
    console.log(
      "mangoAccount.getPerpMarketMarginAvailable(group, 'BTC-PERP') " +
        toUiDecimals(
          mangoAccount
            .getPerpMarketMarginAvailable(group, 'BTC-PERP')
            .toNumber(),
        ),
    );
  }

  if (true) {
    // perps
    console.log(`Placing perp bid...`);
    try {
      await client.perpPlaceOrder(
        group,
        mangoAccount,
        'BTC-PERP',
        Side.bid,
        30000,
        0.000001,
        30000 * 0.000001,
        Math.floor(Math.random() * 99999),
        OrderType.limit,
        0,
        1,
      );
    } catch (error) {
      console.log(error);
    }

    console.log(`Placing perp ask...`);
    await client.perpPlaceOrder(
      group,
      mangoAccount,
      'BTC-PERP',
      Side.ask,
      30000,
      0.000001,
      30000 * 0.000001,
      Math.floor(Math.random() * 99999),
      OrderType.limit,
      0,
      1,
    );

    while (true) {
      // TODO: quotePositionNative might be buggy on program side, investigate...
      console.log(
        `Waiting for self trade to consume (note: make sure keeper crank is running)...`,
      );
      await mangoAccount.reload(client, group);
      console.log(mangoAccount.toString());
    }
  }

  process.exit();
}

main();