#!/usr/bin/env node
/* eslint-disable */
/**
 * Verifies repository structure conventions.
 * Run with: node scripts/check-structure.js
 */

import fs from "fs";
import path from "path";
import { fileURLToPath } from "url";

const __dirname = path.dirname(fileURLToPath(import.meta.url));
const SRC_DIR = path.join(__dirname, "..", "src");

let errors = 0;
let warnings = 0;

// Known acceptable deviations — documented in naming.md
const OVERSIZE_ALLOWLIST = [
	// Form-heavy admin tabs: 15+ fields each, splitting would create micro-components
	"components/features/tool-workshop/ToolTypesTab.tsx",
	"components/features/tool-workshop/ToolConfigsTab.tsx",
	// Complex terminal hook: WS lifecycle + ping-pong + echo + resize debouncing
	"hooks/use-terminal-connection.ts",
	// Terminal component: xterm lifecycle + resize observer + overlay UI
	"components/features/terminal/TerminalComponent.tsx",
	// Instance list with health polling + inline confirmations
	"components/features/session/InstanceList.tsx",
	// Dialog with form validation + SSH key handling
	"components/features/project/RepositoryCreateDialog.tsx",
	// Test files: complex test coverage
	"hooks/use-terminal-connection.test.ts",
	"pages/ToolWorkshopPage.test.tsx",
	// Global utility CSS: will be further split in future iteration
	"styles/utilities.css",
];

function checkFileSize(filePath, maxLines = 300) {
	const content = fs.readFileSync(filePath, "utf-8");
	const lines = content.split("\n").length;
	const relative = path.relative(SRC_DIR, filePath);
	if (lines > maxLines) {
		if (OVERSIZE_ALLOWLIST.includes(relative)) {
			console.warn(`⚠️  OVERSIZED (${lines} lines, allowlisted): ${relative}`);
			warnings++;
		} else {
			console.error(`❌ OVERSIZED (${lines} lines): ${relative}`);
			errors++;
		}
	}
}

function walk(dir, callback) {
	for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
		const fullPath = path.join(dir, entry.name);
		if (entry.isDirectory()) {
			if (entry.name === "node_modules" || entry.name.startsWith(".")) continue;
			walk(fullPath, callback);
		} else {
			callback(fullPath);
		}
	}
}

console.log("Checking file sizes...\n");
walk(SRC_DIR, (filePath) => {
	const ext = path.extname(filePath);
	if ([".ts", ".tsx", ".py", ".css"].includes(ext)) {
		checkFileSize(filePath);
	}
});

console.log("\n---");
if (errors === 0 && warnings === 0) {
	console.log("✅ All checks passed!");
	process.exit(0);
} else if (errors === 0) {
	console.log(`✅ All checks passed with ${warnings} warning(s)`);
	process.exit(0);
} else {
	console.log(`❌ ${errors} error(s), ${warnings} warning(s)`);
	process.exit(1);
}