//
//  OrderViewModel.swift
//  PaiAi
//
//  Created by LISA on 2017/5/8.
//  Copyright © 2017年 yb. All rights reserved.
//

import UIKit
import RxSwift
import RxCocoa
import RxDataSources

protocol OrderViewModelDelegate: class {
    func didSelect(_ item: OrderItem)
}

public typealias OrderSource = OrderRepositorable & Gettable

public struct OrderViewModel<T: OrderSource> {
    
    let respository: T
    weak var delegate: OrderViewModelDelegate?
    
    public init(respository: T) {
        self.respository = respository
    }
    
    public var orderContents: Observable<[AnimatableSectionModel<Int, T.Content.Element>]> {
        return respository.content.map({ model in
            return [AnimatableSectionModel(model: 0, items: model)]
        })
    }
    
    public func reload() {
        respository.loadContent(isRefresh: isRefresh)
    }
    
    public func preload() {
        respository.loadContent(isRefresh: false)
    }
    
    public func didSelect(_ item: OrderItem) {
        delegate?.didSelect(item)
    }
}