//
//  NotesStorage.swift
//  Peered
//
//  Created by Oskar Chybowski on 25/09/2025.
//

import Foundation

struct NotesStorage {
	let storageProvider: FileManager = FileManager.default
	
	func loadNotes() -> [Note] {
		let files = try! storageProvider
			.contentsOfDirectory(atPath: URL.documentsDirectory.path)
		var notes = [Note]()
		
		for file in files.compactMap({
			URL(
				filePath: $0,
				directoryHint: .notDirectory,
				relativeTo: URL.documentsDirectory
			)
		}) {
			let name = file.lastPathComponent
			let note = Note(
				name: name,
				path: file
			)
			
			notes.append(note)
		}
		
		return notes
	}
	
	func createNote(name: String) {
		let currentNotes = loadNotes()
		var proposedName = name
		var index: Int? = nil
		
		while currentNotes.contains(where: { $0.name == proposedName }) {
			if let _index = index {
				index = _index + 1
			} else {
				index = 1
			}
		}
		
		proposedName = if let index {
			"\(proposedName) \(index)"
		} else {
			proposedName
		}
		let pathToWrite = URL.documentsDirectory.appendingPathComponent(proposedName).appendingPathExtension(for: .text)
		try! String().write(to: pathToWrite, atomically: true, encoding: .utf8)
	}
}