package extractor

// stealthChromiumArgs are launch arguments that reduce automation detection for Chromium-based browsers.
var stealthChromiumArgs = []string{
	"--disable-blink-features=AutomationControlled",
}

// stealthInitScripts are JavaScript snippets injected before page scripts to mask automation signals.
var stealthInitScripts = []string{
	// Override navigator.webdriver to return undefined (the real-browser value).
	`Object.defineProperty(navigator, 'webdriver', {get: () => undefined})`,

	// Populate navigator.plugins with a realistic entry so plugins.length > 0.
	`Object.defineProperty(navigator, 'plugins', {
		get: () => {
			const arr = [
				{ name: 'PDF Viewer', filename: 'internal-pdf-viewer', description: 'Portable Document Format' },
				{ name: 'Chrome PDF Plugin', filename: 'internal-pdf-viewer', description: '' },
				{ name: 'Chromium PDF Viewer', filename: 'internal-pdf-viewer', description: '' },
			];
			arr.item = (i) => arr[i] || null;
			arr.namedItem = (n) => arr.find(p => p.name === n) || null;
			arr.refresh = () => {};
			return arr;
		},
	})`,

	// Populate navigator.mimeTypes to match the fake plugins above.
	`Object.defineProperty(navigator, 'mimeTypes', {
		get: () => {
			const arr = [
				{ type: 'application/pdf', suffixes: 'pdf', description: 'Portable Document Format' },
			];
			arr.item = (i) => arr[i] || null;
			arr.namedItem = (n) => arr.find(m => m.type === n) || null;
			return arr;
		},
	})`,

	// Provide window.chrome runtime stub (Chromium-only signal; harmless on other engines).
	`if (!window.chrome) {
		window.chrome = { runtime: {} };
	}`,

	// Fix outerWidth/outerHeight which are 0 in headless mode.
	`if (window.outerWidth === 0) {
		Object.defineProperty(window, 'outerWidth',  { get: () => window.innerWidth  });
		Object.defineProperty(window, 'outerHeight', { get: () => window.innerHeight });
	}`,
}