// Layout generated for JavaScript applications interacting with Streamflow's Timelock program.
const BufferLayout = require('buffer-layout');
const { PublicKey } = require('@solana/web3.js');
const anchor = require('@project-serum/anchor');
const { BN } = anchor;

const LE = "le"; //little endian

const TokenStreamDataLayout = BufferLayout.struct([
    BufferLayout.blob(8, "magic"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(8, "withdrawn_amount"),
    BufferLayout.blob(8, "canceled_at"),
    BufferLayout.blob(8, "cancellable_at"),
    BufferLayout.blob(8, "last_withdrawn_at"),
    BufferLayout.blob(32, "sender"),
    BufferLayout.blob(32, "sender_tokens"),
    BufferLayout.blob(32, "recipient"),
    BufferLayout.blob(32, "recipient_tokens"),
    BufferLayout.blob(32, "mint"),
    BufferLayout.blob(32, "escrow_tokens"),
    BufferLayout.blob(8, "start_time"),
    BufferLayout.blob(8, "end_time"),
    BufferLayout.blob(8, "deposited_amount"),
    BufferLayout.blob(8, "total_amount"),
    BufferLayout.blob(8, "period"),
    BufferLayout.blob(8, "cliff"),
    BufferLayout.blob(8, "cliff_amount"),
    BufferLayout.blob(1, "is_cancelable_by_sender"),
    BufferLayout.blob(1, "is_cancelable_by_recipient"),
    BufferLayout.blob(1, "is_withdrawal_public"),
    BufferLayout.blob(1, "is_transferable"),
    BufferLayout.blob(4, "padding"),
]);

function decode_token_stream_data(buf) {
    let raw = TokenStreamDataLayout.decode(buf);
    return {
        "magic": new BN(raw.magic, LE),
        "created_at": new BN(raw.created_at, LE),
        "withdrawn_amount": new BN(raw.withdrawn_amount, LE),
        "canceled_at": new BN(raw.canceled_at, LE),
        "cancellable_at": new BN(raw.cancellable_at, LE),
        "last_withdrawn_at": new BN(raw.last_withdrawn_at, LE),
        "sender": new PublicKey(raw.sender),
        "sender_tokens": new PublicKey(raw.sender_tokens),
        "recipient": new PublicKey(raw.recipient),
        "recipient_tokens": new PublicKey(raw.recipient_tokens),
        "mint": new PublicKey(raw.mint),
        "escrow_tokens": new PublicKey(raw.escrow_tokens),
        "start_time": new BN(raw.start_time, LE),
        "end_time": new BN(raw.end_time, LE),
        "deposited_amount": new BN(raw.deposited_amount, LE),
        "total_amount": new BN(raw.total_amount, LE),
        "period": new BN(raw.period, LE),
        "cliff": new BN(raw.cliff, LE),
        "cliff_amount": new BN(raw.cliff_amount, LE),
        "is_cancelable_by_sender": Boolean(raw.is_cancelable_by_sender.readUInt8()),
        "is_cancelable_by_recipient": Boolean(raw.is_cancelable_by_recipient.readUInt8()),
        "is_withdrawal_public": Boolean(raw.is_withdrawal_public.readUInt8()),
        "is_transferable": Boolean(raw.is_transferable.readUInt8()),
         
    };
}

// interface TokenStreamData {
//   magic: BN;
//   created_at: BN;
//   withdrawn_amount: BN;
//   canceled_at: BN;
//   cancellable_at: BN;
//   last_withdrawn_at: BN;
//   sender: PublicKey;
//   sender_tokens: PublicKey;
//   recipient: PublicKey;
//   recipient_tokens: PublicKey;
//   mint: PublicKey;
//   escrow_tokens: PublicKey;
//   start_time: BN;
//   end_time: BN;
//   deposited_amount: BN;
//   total_amount: BN;
//   period: BN;
//   cliff: BN;
//   cliff_amount: BN;
//   is_cancelable_by_sender: boolean;
//   is_cancelable_by_recipient: boolean;
//   is_withdrawal_public: boolean;
//   is_transferable: boolean;
//    
// }

exports.decode = decode_token_stream_data;