const { assert, describe, it } = require("./util");
const { DOWN, log } = require("../../src/util");
const utilServer = require("../../server/util-server");
const Discord = require("../../server/notification-providers/discord");
const { UptimeKumaServer } = require("../../server/uptime-kuma-server");
const Database = require("../../server/database");
const { Settings } = require("../../server/settings");
const fs = require("fs");

describe("Test parseCertificateInfo", () => {
    it("should handle undefined", async () => {
        const parseCertificateInfo = utilServer.__getPrivateFunction("parseCertificateInfo");
        const info = parseCertificateInfo(undefined);
        assert.strictEqual(info, undefined);
    }, 5000);

    it("should handle normal cert chain", async () => {
        const parseCertificateInfo = utilServer.__getPrivateFunction("parseCertificateInfo");

        const chain1 = {
            fingerprint: "CF:2C:F3:6A:FE:6B:10:EC:44:77:C8:95:BB:96:2E:06:1F:0E:15:DA",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain2 = {
            fingerprint: "A0:31:C4:67:82:E6:E6:C6:62:C2:C8:7C:76:DA:9A:A6:2C:CA:BD:8E",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain3 = {
            fingerprint: "5F:B7:EE:06:33:E2:59:DB:AD:0C:4C:9A:E6:D3:8F:1A:61:C7:DC:25",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        chain1.issuerCertificate = chain2;
        chain2.issuerCertificate = chain3;
        chain3.issuerCertificate = chain3;

        const info = parseCertificateInfo(chain1);
        assert.strictEqual(chain1, info);
    }, 5000);

    it("should handle cert chain with strange circle", async () => {
        const parseCertificateInfo = utilServer.__getPrivateFunction("parseCertificateInfo");

        const chain1 = {
            fingerprint: "CF:2C:F3:6A:FE:6B:10:EC:44:77:C8:95:BB:96:2E:06:1F:0E:15:DA",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain2 = {
            fingerprint: "A0:31:C4:67:82:E6:E6:C6:62:C2:C8:7C:76:DA:9A:A6:2C:CA:BD:8E",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain3 = {
            fingerprint: "5F:B7:EE:06:33:E2:59:DB:AD:0C:4C:9A:E6:D3:8F:1A:61:C7:DC:25",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain4 = {
            fingerprint: "haha",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        chain1.issuerCertificate = chain2;
        chain2.issuerCertificate = chain3;
        chain3.issuerCertificate = chain4;
        chain4.issuerCertificate = chain2;

        const info = parseCertificateInfo(chain1);
        assert.strictEqual(chain1, info);
    }, 5000);

    it("should handle cert chain with last undefined (should be happen in real, but just in case)", async () => {
        const parseCertificateInfo = utilServer.__getPrivateFunction("parseCertificateInfo");

        const chain1 = {
            fingerprint: "CF:2C:F3:6A:FE:6B:10:EC:44:77:C8:95:BB:96:2E:06:1F:0E:15:DA",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain2 = {
            fingerprint: "A0:31:C4:67:82:E6:E6:C6:62:C2:C8:7C:76:DA:9A:A6:2C:CA:BD:8E",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain3 = {
            fingerprint: "5F:B7:EE:06:33:E2:59:DB:AD:0C:4C:9A:E6:D3:8F:1A:61:C7:DC:25",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        const chain4 = {
            fingerprint: "haha",
            valid_from: "Oct 22 12:00:00 2013 GMT",
            valid_to: "Oct 22 12:00:00 2028 GMT",
            subjectaltname: "DNS:www.example.org, DNS:example.com, DNS:example.edu, DNS:example.net, DNS:example.org, DNS:www.example.com, DNS:www.example.edu, DNS:www.example.net",
        };

        chain1.issuerCertificate = chain2;
        chain2.issuerCertificate = chain3;
        chain3.issuerCertificate = chain4;
        chain4.issuerCertificate = undefined;

        const info = parseCertificateInfo(chain1);
        assert.strictEqual(chain1, info);
    }, 5000);
});

describe("Test reset-password", () => {
    it("should able to run", async () => {
        await require("../../extra/reset-password").main();
    }, 120000);
});

describe("Test Discord Notification Provider", () => {
    const hostname = "discord.com";
    const port = 1337;

    const sendNotification = async (hostname, port, type) => {
        const discordProvider = new Discord();

        // TODO
        // axios.post.mockResolvedValue({});

        await discordProvider.send(
            {
                discordUsername: "Uptime Kuma",
                discordWebhookUrl: "https://discord.com",
            },
            "test message",
            {
                type,
                hostname,
                port,
            },
            {
                status: DOWN,
            }
        );
    };

    it("should send hostname for ping monitors", async () => {
        await sendNotification(hostname, null, "ping");
        // TODO
        // assert.strictEqual(axios.post.mock.lastCall[1].embeds[0].fields[1].value, hostname);
    });

    // TODO
    //it.each([ "dns", "port", "steam" ])("should send hostname for %p monitors", async (type) => {
    //    await sendNotification(hostname, port, type);
    // TODO
    // expect(axios.post.mock.lastCall[1].embeds[0].fields[1].value).toBe(`${hostname}:${port}`);
    //});
});

describe("The function filterAndJoin", () => {
    it("should join and array of strings to one string", () => {
        const result = utilServer.filterAndJoin([ "one", "two", "three" ]);
        assert.strictEqual(result, "onetwothree");
    });

    it("should join strings using a given connector", () => {
        const result = utilServer.filterAndJoin([ "one", "two", "three" ], "-");
        assert.strictEqual(result, "one-two-three");
    });

    it("should filter null, undefined and empty strings before joining", () => {
        const result = utilServer.filterAndJoin([ undefined, "", "three" ], "--");
        assert.strictEqual(result, "three");
    });

    it("should return an empty string if all parts are filtered out", () => {
        const result = utilServer.filterAndJoin([ undefined, "", "" ], "--");
        assert.strictEqual(result, "");
    });
});

// TODO: Move to e2e for simplicity?
describe("Test uptimeKumaServer.getClientIP()", () => {
    it("should able to get a correct client IP", async () => {
        return;
        const fakeSocket = {
            client: {
                conn: {
                    remoteAddress: "192.168.10.10",
                    request: {
                        headers: {
                        }
                    }
                }
            }
        };
        const server = Object.create(UptimeKumaServer.prototype);
        let ip = await server.getClientIP(fakeSocket);

        await Settings.set("trustProxy", false);
        assert.strictEqual(await Settings.get("trustProxy"), false);

        assert.strictEqual(ip, "192.168.10.10");

        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "10.10.10.10";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "192.168.10.10");

        fakeSocket.client.conn.request.headers["x-real-ip"] = "20.20.20.20";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "192.168.10.10");

        await Settings.set("trustProxy", true);
        assert.strictEqual(await Settings.get("trustProxy"), true);

        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "10.10.10.10";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "10.10.10.10");

        // x-real-ip
        delete fakeSocket.client.conn.request.headers["x-forwarded-for"];
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "20.20.20.20");

        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "2001:db8:85a3:8d3:1319:8a2e:370:7348";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "2001:db8:85a3:8d3:1319:8a2e:370:7348");

        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "203.0.113.195";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "203.0.113.195");

        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "203.0.113.195, 2001:db8:85a3:8d3:1319:8a2e:370:7348";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "203.0.113.195");

        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "203.0.113.195,2001:db8:85a3:8d3:1319:8a2e:370:7348,150.172.238.178";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "203.0.113.195");

        // Elements are comma-separated, with optional whitespace surrounding the commas.
        fakeSocket.client.conn.request.headers["x-forwarded-for"] = "203.0.113.195 , 2001:db8:85a3:8d3:1319:8a2e:370:7348,150.172.238.178";
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "203.0.113.195");

        fakeSocket.client.conn.remoteAddress = "2001:db8::1";
        fakeSocket.client.conn.request.headers = {};
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "2001:db8::1");

        fakeSocket.client.conn.remoteAddress = "::ffff:127.0.0.1";
        fakeSocket.client.conn.request.headers = {};
        ip = await server.getClientIP(fakeSocket);
        assert.strictEqual(ip, "127.0.0.1");
    }, 120000);
});