import { expect } from "chai";
import * as crypto from "@node-lightning/crypto";
import * as sut from "../lib/encoder";
import { Invoice } from "../lib/invoice";

describe("encoder", () => {
    const privKey = Buffer.from(
        "e126f68f7eafcc8b74f54d269fe206be715000f94dac067d1c04a8ca3b2db734",
        "hex",
    );
    const pubKey = crypto.getPublicKey(privKey);

    const hashDesc = crypto.sha256(
        Buffer.from(
            "One piece of chocolate cake, one icecream cone, one pickle, one slice of swiss cheese, one slice of salami, one lollypop, one piece of cherry pie, one sausage, one cupcake, and one slice of watermelon",
        ),
    );

    describe("test vectors", () => {
        it("donation of any amount using payment_hash 0001020304050607080900010203040506070809000102030405060708090102 to me @03e7156ae33b0a208d0744199163177e909e80176e55d97a2f221ede0f934dd9ad", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.shortDesc = "Please consider supporting this project";
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpl2pkx2ctnv5sxxmmwwd5kgetjypeh2ursdae8g6twvus8g6rfwvs8qun0dfjkxaq8rkx3yf5tcsyz3d73gafnh3cax9rn449d9p5uxz9ezhhypd0elx87sjle52x86fux2ypatgddc6k63n7erqz25le42c4u4ecky03ylcqca784w",
            );
        });

        it("Please send $3 for a cup of coffee to the same peer, within 1 minute", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "250000"; // 0.00250000
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.shortDesc = "1 cup coffee";
            invoice.expiry = 60;
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq5xysxxatsyp3k7enxv4jsxqzpuaztrnwngzn3kdzw5hydlzf03qdgm2hdq27cqv3agm2awhz5se903vruatfhq77w3ls4evs3ch9zw97j25emudupq63nyw24cg27h2rspfj9srp",
            );
        });

        it("Please send 0.0025 BTC for a cup of nonsense (ナンセンス 1杯) to the same peer, within 1 minute", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "250000";
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.shortDesc = "ナンセンス 1杯";
            invoice.expiry = 60;
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc2500u1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdpquwpc4curk03c9wlrswe78q4eyqc7d8d0xqzpuyk0sg5g70me25alkluzd2x62aysf2pyy8edtjeevuv4p2d5p76r4zkmneet7uvyakky2zr4cusd45tftc9c5fh0nnqpnl2jfll544esqchsrny",
            );
        });

        it("Now send $24 for an entire list of things (hashed)", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "2000000";
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.hashDesc = hashDesc;
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqscc6gd6ql3jrc5yzme8v4ntcewwz5cnw92tz0pc8qcuufvq7khhr8wpald05e92xw006sq94mg8v2ndf4sefvf9sygkshp5zfem29trqq2yxxz7",
            );
        });

        it("The same, on testnet, with a fallback address mk2QpYatsKicvFVuTAQLBryyccRXMUaGHP", () => {
            const invoice = new Invoice();
            invoice.network = "tb";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "2000000";
            invoice.hashDesc = hashDesc;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.addFallbackAddress("mk2QpYatsKicvFVuTAQLBryyccRXMUaGHP");
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lntb20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfpp3x9et2e20v6pu37c5d9vax37wxq72un98kmzzhznpurw9sgl2v0nklu2g4d0keph5t7tj9tcqd8rexnd07ux4uv2cjvcqwaxgj7v4uwn5wmypjd5n69z2xm3xgksg28nwht7f6zspwp3f9t",
            );
        });

        it("On mainnet, with fallback address 1RustyRX2oai4EYYDpQGWvEL62BBGqN9T with extra routing info to go via nodes 029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255 then 039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "2000000";
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.hashDesc = hashDesc;
            invoice.addFallbackAddress("1RustyRX2oai4EYYDpQGWvEL62BBGqN9T");
            invoice.addRoute([
                {
                    pubkey: Buffer.from(
                        "029e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255",
                        "hex",
                    ),
                    short_channel_id: Buffer.from("0102030405060708", "hex"),
                    fee_base_msat: 1,
                    fee_proportional_millionths: 20,
                    cltv_expiry_delta: 3,
                },
                {
                    pubkey: Buffer.from(
                        "039e03a901b85534ff1e92c43c74431f7ce72046060fcf7a95c37e148f78c77255",
                        "hex",
                    ),
                    short_channel_id: Buffer.from("030405060708090a", "hex"),
                    fee_base_msat: 2,
                    fee_proportional_millionths: 30,
                    cltv_expiry_delta: 4,
                },
            ]);
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqsfpp3qjmp7lwpagxun9pygexvgpjdc4jdj85fr9yq20q82gphp2nflc7jtzrcazrra7wwgzxqc8u7754cdlpfrmccae92qgzqvzq2ps8pqqqqqqpqqqqq9qqqvpeuqafqxu92d8lr6fvg0r5gv0heeeqgcrqlnm6jhphu9y00rrhy4grqszsvpcgpy9qqqqqqgqqqqq7qqzqj9n4evl6mr5aj9f58zp6fyjzup6ywn3x6sk8akg5v4tgn2q8g4fhx05wf6juaxu9760yp46454gpg5mtzgerlzezqcqvjnhjh8z3g2qqdhhwkj",
            );
        });

        it("On mainnet, with fallback (P2SH) address 3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "2000000";
            invoice.hashDesc = hashDesc;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.addFallbackAddress("3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX");
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppj3a24vwu6r8ejrss3axul8rxldph2q7z9kmrgvr7xlaqm47apw3d48zm203kzcq357a4ls9al2ea73r8jcceyjtya6fu5wzzpe50zrge6ulk4nvjcpxlekvmxl6qcs9j3tz0469gq5g658y",
            );
        });

        it("On mainnet, with fallback (P2WPKH) address bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "2000000";
            invoice.hashDesc = hashDesc;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.addFallbackAddress("bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4");
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfppqw508d6qejxtdg4y5r3zarvary0c5xw7kepvrhrm9s57hejg0p662ur5j5cr03890fa7k2pypgttmh4897d3raaq85a293e9jpuqwl0rnfuwzam7yr8e690nd2ypcq9hlkdwdvycqa0qza8",
            );
        });

        it("On mainnet, with fallback (P2WSH) address bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.valueSat = "2000000";
            invoice.hashDesc = hashDesc;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.addFallbackAddress(
                "bc1qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3qccfmv3",
            );
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc20m1pvjluezhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy043l2ahrqspp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqfp4qrp33g0q5c5txsp9arysrx4k6zdkfs4nce4xj0gdcccefvpysxf3q28j0v3rwgy9pvjnd48ee2pl8xrpxysd5g44td63g6xcjcu003j3qe8878hluqlvl3km8rm92f5stamd3jw763n3hck0ct7p8wwj463cql26ava",
            );
        });
    });

    describe("additional tests", () => {
        it("should encode an invoice with payee node", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.shortDesc = "payeeNode";
            invoice.payeeNode = pubKey;
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdq0wpshjet9fehkgegnp4q0n326hr8v9zprg8gsvezcch06gfaqqhde2aj730yg0durunfhv66jrn3jpuzln5u4sgsxurshr37q03fcz2nxz0cn97ns454pxx2vzaqvzqsjqds74agj3uhlhctd7h28n7tvrasle948jsxfc45r4jddxgqdh2cll",
            );
        });
        it("should encode min final CLTV expiry", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.shortDesc = "minFinalCltvExpiry";
            invoice.minFinalCltvExpiry = 15;
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdqad45ku3nfdeskcsmvw3my27rsd9e8jcqp0huernjk8n84gcyeyneleczksmtmhmpyc5uxzfuy92akwq6593gqqcy4e0cse5jcfkmhge0wyd7hrlvrvxumr5k5lggl727tjzwc83ygpnwqcaz",
            );
        });
        it("should encode unknown field", () => {
            const invoice = new Invoice();
            invoice.network = "bc";
            invoice.timestamp = 1496314658;
            invoice.paymentHash = Buffer.from(
                "0001020304050607080900010203040506070809000102030405060708090102",
                "hex",
            );
            invoice.shortDesc = "unknown";
            invoice.fields.push({
                type: 30,
                value: Buffer.from("hello"),
            });
            const result = sut.encode(invoice, privKey);
            expect(result).to.equal(
                "lnbc1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqypqdqvw4hxkmn0wahq7qgdpjkcmr0530rjesw23a7fgq3se6egxrtqez5mqpuveg0zsryumrrq8v2433xm25p57n54t767y8wtljmtwljatr93cnn6e8cayjg46p0uq5rp0cq0gz348",
            );
        });
    });
});