"use strict";
// Zero-dependency browser calculation regressions (run: node tests/cache_outcomes.cjs).
const assert = require("node:assert/strict");
const fs = require("node:fs");
const path = require("node:path");
const vm = require("node:vm");
const root = path.join(__dirname, "..");
const src = fs.readFileSync(path.join(root, "src/admin/web/app/runtime.js"), "utf8");
const begin = src.indexOf("function cacheOutcomeMix(deltas) {");
const end = src.indexOf("\nfunction renderCacheMix(mix) {", begin);
assert.ok(begin >= 0 && end > begin, "production cacheOutcomeMix function exists");
const mix = vm.runInNewContext(`${src.slice(begin, end)}; cacheOutcomeMix;`);
const result = mix([10, 4, 2, 3]);
assert.deepEqual(Array.from(result.counts), [4, 2, 3, 1]);
assert.deepEqual(Array.from(result.percentages), [40, 20, 30, 10]);
assert.equal(result.requests, 10);
assert.deepEqual(Array.from(mix([12, 0, 0, 0]).counts), [0, 0, 0, 12]);
assert.deepEqual(Array.from(mix([9, 0, 0, 9]).counts), [0, 0, 9, 0]);
for (const invalid of [[0, 0, 0, 0], [1, 2, 0, 0], [10, -1, 0, 0], [NaN, 0, 0, 0], [], null]) {
    assert.equal(mix(invalid), null, `invalid sample ${invalid} is not charted`);
}
const widgets = JSON.parse(fs.readFileSync(path.join(root, "src/admin/web/dashboard-widgets.json"), "utf8"));
const defaults = JSON.parse(fs.readFileSync(path.join(root, "src/admin/web/dashboard-defaults.json"), "utf8"));
assert.equal(widgets.filter(widget => widget.id === "cache_outcomes").length, 1);
assert.equal(defaults.dashboard_widgets.filter(id => id === "cache_outcomes").length, 1);
assert.equal(widgets.find(widget => widget.id === "cache_outcomes").default_hidden, true, "cache outcomes is opt-in");
assert.equal(defaults.dashboard_hidden_widgets.filter(id => id === "cache_outcomes").length, 1, "hidden in factory layout");
const html = fs.readFileSync(path.join(root, "src/admin/web/partials/overview-metrics.html"), "utf8");
assert.match(html, /data-dashboard-widget="cache_outcomes"/);
for (const key of ["hit", "miss", "bypass", "other"]) {
    assert.match(html, new RegExp(`id="cache-mix-${key}"`));
    assert.match(html, new RegExp(`id="cache-mix-${key}-percent"`));
}
const strings = ["en_US", "pl_pl"].map(language =>
    JSON.parse(fs.readFileSync(path.join(root, `langs/${language}.json`), "utf8")).translations);
for (const translation of strings) {
    for (const key of ["cacheMixTitle", "cacheMixHelp", "cacheMixOther", "cacheMixSample", "cacheMixWaiting", "cacheMixAria",
                       "h3_udp_receive_buffer_mib", "h3_udp_send_buffer_mib", "http3ApplyPolicy"]) {
        assert.ok(translation[key], `translation missing: ${key}`);
    }
}
console.log("Cache outcomes, manifest and locale regression checks passed.");