//
//  ScanQRViewModel.swift
//  PaiAi
//
//  Created by ffib on 2018/12/18.
//  Copyright © 2018 yb. All rights reserved.
//

import Foundation

protocol ScanQRViewModelDelegate: class {
    func navigateToGroupPage(item: GroupItem)
}

public final class ScanQRViewModel {
    
    weak var delegate: ScanQRViewModelDelegate?
    
    var respository: PhotoGroupRepository
    
    public init() {
        respository = PhotoGroupRepository()
    }
    
    public func join(code: String) {
        let strs = code.components(separatedBy: "/")
        guard strs.count > 2, let params = strs.last else { return }
        let flag = strs[strs.count - 2]
        switch flag {
        case "s":
            guard let lensman_id = params.components(separatedBy: "=").last,
                let session_id = params.components(separatedBy: "?").first else { return }
            
            respository.join(type: .session, parameter: ["session_id": session_id, "lensman_id": lensman_id])
            
        case "g":
            respository.join(type: .session, parameter: ["group_id": params])
        default:
            return
        }
    }
}