import assert from "assert";
import { ProtoSignDocDecoder } from "./index";

import { MsgSend } from "@keplr-wallet/proto-types/cosmos/bank/v1beta1/tx";

describe("Test decode sign doc", () => {
  it("should decode properly", function () {
    /*
     To test decoding method simply, test the tx bytes that was extracted manually.
     {
        "body": {
          "messages": [
            {
              "@type": "/cosmos.bank.v1beta1.MsgSend",
              "from_address": "cosmos1xesvkr6d0j96j5zdcw5fmqxavjvuvqx2ygy7mp",
              "to_address": "cosmos1xesvkr6d0j96j5zdcw5fmqxavjvuvqx2ygy7mp",
              "amount": [
                {
                  "denom": "stake",
                  "amount": "100"
                }
              ]
            }
          ],
          "memo": "",
          "timeout_height": "0",
          "extension_options": [],
          "non_critical_extension_options": []
        },
        "auth_info": {
          "signer_infos": [
            {
              "public_key": {
                "@type": "/cosmos.crypto.secp256k1.PubKey",
                "key": "A1vG7uaVoInCc7aQ1xI8hM9tvLkeYTyLYLeUIqHuaEkG"
              },
              "mode_info": {
                "single": {
                  "mode": "SIGN_MODE_DIRECT"
                }
              },
              "sequence": "3"
            }
          ],
          "fee": {
            "amount": [],
            "gas_limit": "200000",
            "payer": "",
            "granter": ""
          }
        },
        "signatures": [
          "MmRZjssZ+rHlifKy5bPHkB1wr5snE+eAj6tD2Ymj9158+3KdAlDIMYXbtw5zuBY/nr/EUothRQlknheG97psJA=="
        ]
      }
      And, its sign doc's bytes is
      0a8f010a8c010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e64126c0a2d636f736
      d6f7331786573766b723664306a39366a357a64637735666d717861766a767576717832796779376d70122d
      636f736d6f7331786573766b723664306a39366a357a64637735666d717861766a767576717832796779376
      d701a0c0a057374616b65120331303012580a500a460a1f2f636f736d6f732e63727970746f2e7365637032
      35366b312e5075624b657912230a21035bc6eee695a089c273b690d7123c84cf6dbcb91e613c8b60b79422a
      1ee68490612040a0208011803120410c09a0c1a04746573742001
     */

    const bytes = Buffer.from(
      "0a8f010a8c010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e64126c0a2d636f736\
d6f7331786573766b723664306a39366a357a64637735666d717861766a767576717832796779376d70122d\
636f736d6f7331786573766b723664306a39366a357a64637735666d717861766a767576717832796779376\
d701a0c0a057374616b65120331303012580a500a460a1f2f636f736d6f732e63727970746f2e7365637032\
35366b312e5075624b657912230a21035bc6eee695a089c273b690d7123c84cf6dbcb91e613c8b60b79422a\
1ee68490612040a0208011803120410c09a0c1a04746573742001",
      "hex"
    );

    const signDoc = ProtoSignDocDecoder.decode(bytes);

    assert.strictEqual(signDoc.chainId, "test");
    assert.strictEqual(signDoc.accountNumber, "1");

    assert.strictEqual(signDoc.txMsgs.length, 1);

    if (!("unpacked" in signDoc.txMsgs[0])) {
      throw new Error("Msgs not parsed properly");
    }
    const msg = signDoc.txMsgs[0].unpacked as MsgSend;
    assert.strictEqual(
      msg.fromAddress,
      "cosmos1xesvkr6d0j96j5zdcw5fmqxavjvuvqx2ygy7mp"
    );
    assert.strictEqual(
      msg.toAddress,
      "cosmos1xesvkr6d0j96j5zdcw5fmqxavjvuvqx2ygy7mp"
    );
    assert.strictEqual(msg.amount[0].denom, "stake");
    assert.strictEqual(msg.amount[0].amount, "100");

    assert.strictEqual(signDoc.txBody.memo, "");
    assert.strictEqual(signDoc.txBody.timeoutHeight.toString(), "0");

    assert.strictEqual(signDoc.authInfo.signerInfos.length, 1);
    assert.strictEqual(
      signDoc.authInfo.signerInfos[0].sequence?.toString(),
      "3"
    );
    assert.strictEqual(signDoc.authInfo.fee != null, true);
    assert.strictEqual(signDoc.authInfo.fee?.granter, "");
    assert.strictEqual(signDoc.authInfo.fee?.payer, "");
  });
});