//
//  GroupMemberViewController.swift
//  PaiAi
//
//  Created by zhengjianfei on 16/4/6.
//  Copyright © 2016年 FFIB. All rights reserved.
//

import UIKit
import RxCocoa
import RxSwift
import RxDataSources
import PaiaiUIKit
import PaiaiDataKit

final class GroupMemberViewController: UIViewController {

    @IBOutlet weak var tableView: UITableView!

    var viewModel: GroupMemberViewModel!
    let disposeBag = DisposeBag()
    
    // MARK: view function
    override func viewDidLoad() {
        super.viewDidLoad()
        title = "群成员"
        binding()
    }
}

fileprivate extension GroupMemberViewController {
    
    var dataSource: RxTableViewSectionedAnimatedDataSource<AnimatableSectionModel<Int, GroupMemberItem>> {
        return RxTableViewSectionedAnimatedDataSource<AnimatableSectionModel<Int, GroupMemberItem>>(
            configureCell: { (dataSource, tableView, indexPath, item) in
                let cell = tableView.dequeueReusableCell(withIdentifier: "groupMemberCell", for: indexPath) as! GroupMemberCell
                cell.setInfo(item, isAdmin: self.viewModel.isAdmin)
                cell.delegate = self
                return cell
        })
    }
    
    func binding() {
        bindViewModelToTableView()
    }
    
    func bindViewModelToTableView() {
        viewModel.contents
            .bind(to: tableView.rx.items(dataSource: dataSource))
            .disposed(by: disposeBag)
    }
}

extension GroupMemberViewController: GroupMemberCellDelegate {
    func remove(_ item: GroupMemberItem) {
        let alert = AlertController(title: "删除群成员", message: "删除后将不再看见群内照片")
        alert.addAlertAction(AlertAction(title: "取消", style: .cancel))
        alert.addAlertAction(AlertAction(title: "确定", handler: {(_) in
            self.viewModel.removeMember(item)
        }))
        
        presentController(alert)
    }
}

extension GroupMemberViewController: NavigationBackViewController {}