// Tracked tokens are kept per network, and the two add-token screens offer the
// bundled token list, which holds Ethereum Mainnet contracts, on Ethereum
// Mainnet only (https://git.eeqj.de/sneak/AutistMask/issues/523), including on
// the screen "Back" lands on after a switch made from the Settings gear. Driven
// through the real popup over a stored profile; the same switch made by the
// background is in tests/coldWorkerChainSwitch.test.js.

const {
    bootPopup,
    cleanupPopup,
    unversionedValidProfile,
    TOKEN_ADDRESS,
} = require("./support/popupBoot");

const SEPOLIA_TOKEN = {
    address: TOKEN_ADDRESS,
    symbol: "TST",
    decimals: 18,
    name: "Test Token",
};
const MAINNET_TOKEN = {
    address: "0x6B175474E89094C44Da98b954EedeAC495271d0F",
    symbol: "DAI",
    decimals: 18,
    name: "Dai Stablecoin",
};

// Fake timers hold the timer of the flash message a switch ends with, which
// would otherwise fire after cleanupPopup() has removed the page and throw.
beforeEach(() => {
    jest.useFakeTimers();
});

afterEach(() => {
    cleanupPopup();
    jest.useRealTimers();
});

// The popup reopened onto SettingsAddToken, on `networkId`.
function bootOnAddToken(networkId, extra) {
    return bootPopup(
        unversionedValidProfile({
            networkId,
            currentView: "settings-addtoken",
            ...extra,
        }),
    );
}

// The popup reopened onto AddressDetail on Ethereum Mainnet, with DAI tracked
// there and TST tracked on Sepolia.
function bootOnAddress() {
    return bootPopup(
        unversionedValidProfile({
            currentView: "address",
            selectedWallet: 0,
            selectedAddress: 0,
            trackedTokens: [MAINNET_TOKEN],
            networkTrackedTokens: { sepolia: [SEPOLIA_TOKEN] },
        }),
    );
}

// Picks `networkId` in the Settings network selector, as the user does.
async function chooseNetwork(boot, networkId) {
    const select = boot.node("settings-network");
    select.value = networkId;
    for (const fn of select.listeners.change) await fn();
    await boot.settle();
}

// The Settings gear, a switch to Sepolia, and Back.
async function gearSwitchBack(boot) {
    await boot.click("btn-settings");
    expect(boot.visibleViews()).toEqual(["settings"]);
    await chooseNetwork(boot, "sepolia");
    await boot.click("btn-settings-back");
}

describe.each([
    ["mainnet", false],
    ["sepolia", true],
])("on %s", (networkId, hidden) => {
    test(`the common tokens are hidden: ${hidden}`, async () => {
        const boot = await bootOnAddToken(networkId);
        expect(boot.pageErrors).toEqual([]);
        expect(boot.visibleViews()).toEqual(["settings-addtoken"]);
        expect(boot.hidden("settings-addtoken-common")).toBe(hidden);

        require("../src/popup/views/addToken").show();
        expect(boot.visibleViews()).toEqual(["add-token"]);
        expect(boot.hidden("add-token-common")).toBe(hidden);
    });
});

test("a token added by contract address on Sepolia is tracked on Sepolia only", async () => {
    const boot = await bootOnAddToken("sepolia", {
        networkTrackedTokens: { mainnet: [MAINNET_TOKEN] },
    });
    const stored = () => boot.storage.read("autistmask");
    const { lookupTokenInfo } = require("../src/shared/balances");
    lookupTokenInfo.mockResolvedValueOnce({
        symbol: SEPOLIA_TOKEN.symbol,
        decimals: SEPOLIA_TOKEN.decimals,
        name: SEPOLIA_TOKEN.name,
    });

    boot.node("settings-addtoken-address").value = TOKEN_ADDRESS;
    await boot.click("btn-settings-addtoken-manual");

    expect(lookupTokenInfo).toHaveBeenCalledWith(
        TOKEN_ADDRESS,
        expect.any(String),
        "sepolia",
        expect.anything(),
    );
    expect(stored().trackedTokens).toEqual([SEPOLIA_TOKEN]);

    await chooseNetwork(boot, "mainnet");
    expect(stored().networkId).toBe("mainnet");
    expect(stored().trackedTokens).toEqual([MAINNET_TOKEN]);
    const onMainnet = boot.node("settings-tracked-tokens").innerHTML;
    expect(onMainnet).toContain("DAI");
    expect(onMainnet).not.toContain("TST");

    await chooseNetwork(boot, "sepolia");
    expect(stored().networkId).toBe("sepolia");
    expect(stored().trackedTokens).toEqual([SEPOLIA_TOKEN]);
    const onSepolia = boot.node("settings-tracked-tokens").innerHTML;
    expect(onSepolia).toContain("TST");
    expect(onSepolia).not.toContain("DAI");
});

describe("Back after a switch from the Settings gear", () => {
    test("SettingsAddToken no longer offers the common tokens", async () => {
        const boot = await bootOnAddToken("mainnet");
        expect(boot.hidden("settings-addtoken-common")).toBe(false);

        await gearSwitchBack(boot);
        expect(boot.visibleViews()).toEqual(["settings-addtoken"]);
        expect(boot.hidden("settings-addtoken-common")).toBe(true);
    });

    test("AddressDetail lists the new network's tracked tokens", async () => {
        const boot = await bootOnAddress();
        expect(boot.node("address-balances").innerHTML).toContain("DAI");

        await gearSwitchBack(boot);
        expect(boot.visibleViews()).toEqual(["address"]);
        const balances = boot.node("address-balances").innerHTML;
        expect(balances).toContain("TST");
        expect(balances).not.toContain("DAI");
    });

    // Neither can be rendered from saved state, so neither is landed on.
    test.each([
        ["btn-add-token", "add-token"],
        ["btn-send", "send"],
    ])("from over %s, it lands on AddressDetail", async (button, view) => {
        const boot = await bootOnAddress();
        await boot.click(button);
        expect(boot.visibleViews()).toEqual([view]);

        await gearSwitchBack(boot);
        expect(boot.visibleViews()).toEqual(["address"]);
        expect(boot.node("address-balances").innerHTML).not.toContain("DAI");
    });

    test("without a wallet, it lands on Welcome", async () => {
        const boot = await bootPopup(undefined);
        expect(boot.visibleViews()).toEqual(["welcome"]);

        await gearSwitchBack(boot);
        expect(boot.visibleViews()).toEqual(["welcome"]);
    });

    test("a later Back onto Settings keeps what was typed there", async () => {
        const boot = await bootOnAddress();
        await boot.click("btn-settings");
        await chooseNetwork(boot, "sepolia");
        boot.node("settings-rpc").value = "https://typed.example";

        await boot.click("btn-settings-add-token");
        expect(boot.visibleViews()).toEqual(["settings-addtoken"]);
        await boot.click("btn-settings-addtoken-back");
        expect(boot.visibleViews()).toEqual(["settings"]);
        expect(boot.value("settings-rpc")).toBe("https://typed.example");
    });
});