// Doctrine palette audit (S6).
// 1. Every hex color inside the INDUSTRIAL BLUEPRINT CANVAS CSS section
//    must be one of the doctrinal tokens.
// 2. Blueprint TSX files must not introduce hardcoded hex/rgb literals —
//    they should reference --bp-* tokens via var(...).
import { readFileSync } from "node:fs";

const DOCTRINE = new Set([
  "#f5f7fb", "#e8edf5", "#d5dde9",
  "#1a2740", "#243453",
  "#4a5b80", "#7a8aa8",
  "#c46a14", "#3d6a2c", "#a6342a", "#1d6f82",
]);

function fail(msg) { console.log("✗", msg); process.exitCode = 1; }
function pass(msg) { console.log("✓", msg); }

const css = readFileSync("src/index.css", "utf8");
const idx = css.indexOf("INDUSTRIAL BLUEPRINT CANVAS");
if (idx < 0) { fail("blueprint CSS block not found"); process.exit(1); }
const cssBlock = css.slice(idx);
const cssHexes = cssBlock.match(/#[0-9a-fA-F]{6}|#[0-9a-fA-F]{3}/g) || [];
const cssOffending = cssHexes.filter((h) => !DOCTRINE.has(h.toLowerCase()));
if (cssOffending.length === 0) {
  pass(`CSS palette: ${cssHexes.length} hex tokens, all doctrinal`);
} else {
  fail(`CSS non-doctrinal hex tokens: ${cssOffending.join(", ")}`);
}

const cssRgba = cssBlock.match(/rgba?\([^)]*\)/g) || [];
if (cssRgba.length === 0) {
  pass("CSS has no raw rgba() literals (alpha goes through color-mix tokens)");
} else {
  fail(`CSS raw rgba() literals: ${cssRgba.join(", ")}`);
}

const tsxFiles = [
  "src/components/ProcessGraph.tsx",
  "src/components/BlueprintFrame.tsx",
];
let tsxOffending = 0;
for (const f of tsxFiles) {
  const src = readFileSync(f, "utf8");
  const hex = (src.match(/#[0-9a-fA-F]{6}|#[0-9a-fA-F]{3}/g) || []).filter(
    (h) => !DOCTRINE.has(h.toLowerCase()),
  );
  const rgba = src.match(/rgba?\(\s*\d+/g) || [];
  if (hex.length || rgba.length) {
    fail(`${f}: hardcoded color literals: hex=${hex.join(",") || "none"} rgba=${rgba.join(",") || "none"}`);
    tsxOffending += hex.length + rgba.length;
  }
}
if (tsxOffending === 0) pass(`TSX palette: ${tsxFiles.length} blueprint TSX files clean (no hardcoded color literals)`);

if (process.exitCode === 1) console.log("\nPalette audit FAILED");
else console.log("\nPalette audit PASSED");