//
//  CodeTextView.swift
//  Dissertation
//
//  Created by Jon Sterling on 7/27/26.
//

import AppKit

final class CodeTextView: NSTextView {
	static let typingAttributes: [NSAttributedString.Key: Any] =
		[
			.font: NSFont.systemFont(ofSize: 14, weight: .regular),
			.foregroundColor: NSColor.textColor,
		]

	override var typingAttributes: [NSAttributedString.Key: Any] {
		get { Self.typingAttributes }
		set {}
	}

	override func insertNewline(_ sender: Any?) {
		guard let textStorage else {
			super.insertNewline(sender)
			return
		}

		let text = textStorage.string
		guard let selection = Range(selectedRange(), in: text) else { return }
		let lineRange = text.lineRange(for: selection)
		let line = text[lineRange]
		let indent = line.prefix { $0 == " " || $0 == "\t" }
		insertText("\n\(indent)", replacementRange: selectedRange)
	}
}