import * as ecc from "eosjs-ecc";
import JsSignatureProvider from "../eosjs-jssig";

describe("JsSignatureProvider", () => {
    const privateKeys = ["key1", "key2", "key3"];
    const publicKeys = [
        "PUB_K1_8iD9ABKFH5b9JyFgb5PE51BdCV74qGN9UMfg9V3TwaExCQWxJm",
        "PUB_K1_8f2o2LLQ3phteqyazxirQZnQzQFpnjLnXiUFEJcsSYhnjWNvSX",
        "PUB_K1_5imfbmmHC83VRxLRTcvovviAc6LPpyszcDuKtkwka9e9Jg37Hp",
    ];

    it("builds public keys from private when constructed", async () => {
        const eccPkFromString = jest.spyOn(ecc.PrivateKey, "fromString");
        eccPkFromString.mockImplementation((k) => ecc.PrivateKey.fromHex(ecc.sha256(k)));
        const provider = new JsSignatureProvider(privateKeys);
        const actualPublicKeys = await provider.getAvailableKeys();

        expect(eccPkFromString).toHaveBeenCalledTimes(privateKeys.length);
        expect(actualPublicKeys).toEqual(publicKeys);
    });

    it("signs a transaction", async () => {
        const eccSignatureSign = jest.spyOn(ecc.Signature, "sign");
        eccSignatureSign.mockImplementation((buffer, signKey) => signKey);

        const provider = new JsSignatureProvider(privateKeys);
        const chainId = "12345";
        const requiredKeys = [
            publicKeys[0],
            publicKeys[2],
        ];
        const serializedTransaction = new Uint8Array([
            0, 16, 32, 128, 255,
        ]);
        const abis: any[] = [];

        const signOutput = await provider.sign({ chainId, requiredKeys, serializedTransaction, abis });

        expect(eccSignatureSign).toHaveBeenCalledTimes(2);
        expect(signOutput).toEqual({ signatures: [privateKeys[0], privateKeys[2]], serializedTransaction });
    });
});