// The legend and the key map must not drift apart.
//
// F, C and R are printed on the buttons they drive. A and U were on nothing at all,
// so a dealer who learned the first three from the action bar had no way to find out
// the other two existed. The guard against that happening again is this file.
const test = require("node:test");
const assert = require("node:assert");
const path = require("path");

const Shortcuts = require(path.join(
    __dirname, "..", "..", "JoshHeaps.Net", "wwwroot", "js", "casino", "holdem", "shortcuts.js"));

test("every shortcut has a line in the legend", () => {
    const documented = new Set(Shortcuts.LEGEND.map(entry => entry.action));
    const missing = [...new Set(Object.values(Shortcuts.KEYS))].filter(action => !documented.has(action));
    assert.deepEqual(missing, [], "a shortcut with no legend line is one nobody can find");
});

test("the legend doesn't describe shortcuts that don't exist", () => {
    const real = new Set(Object.values(Shortcuts.KEYS));
    const invented = Shortcuts.LEGEND.map(entry => entry.action).filter(action => !real.has(action));
    assert.deepEqual(invented, []);
});

test("every legend line names its keys and says what they do", () => {
    Shortcuts.LEGEND.forEach(entry => {
        assert.ok(Array.isArray(entry.keys) && entry.keys.length > 0, `${entry.action} has no keys`);
        assert.ok(entry.keys.every(key => typeof key === "string" && key.trim()), `${entry.action} has a blank key`);
        assert.ok(entry.what && entry.what.trim().length > 3, `${entry.action} has no description`);
    });
});

test("the keys named match the keys bound", () => {
    // "Space" and "Enter" both drive advance; the map holds them as " " and "enter".
    const spoken = { space: " ", enter: "enter", esc: "escape" };
    Shortcuts.LEGEND.forEach(entry => {
        entry.keys.forEach(label => {
            const key = spoken[label.toLowerCase()] || label.toLowerCase();
            assert.equal(Shortcuts.KEYS[key], entry.action,
                `the legend says ${label} is ${entry.action}, the map disagrees`);
        });
    });
});

test("no two lines claim the same key", () => {
    const seen = new Set();
    Shortcuts.LEGEND.forEach(entry => entry.keys.forEach(key => {
        assert.ok(!seen.has(key.toLowerCase()), `${key} is listed twice`);
        seen.add(key.toLowerCase());
    }));
});