//
//  GroupDetailController.swift
//  PaiAi
//
//  Created by zhengjianfei on 16/4/5.
//  Copyright © 2016年 FFIB. All rights reserved.
//

import UIKit
import RxSwift
import RxCocoa

final class GroupDetailController: UIViewController {

    // MARK: Storyboard property
    @IBOutlet weak var scrollViewConstraint: NSLayoutConstraint!
    @IBOutlet weak var groupLockConstraint: NSLayoutConstraint!
    @IBOutlet var titleLabel: UILabel!
    @IBOutlet var groupNameLabel: UILabel!
    @IBOutlet var groupUserCountLabel: UILabel!
    @IBOutlet var groupUserHeaderScrollView: UIScrollView!
    @IBOutlet var groupLockSwitch: UISwitch!
    @IBOutlet var groupLockTip: UILabel!

    var groupDetailViewModel = GroupDetailViewModel()
  // MARK: parameter property
    lazy var groupId: String = ""
    let disposeBag = DisposeBag()
    // MARK: view function
    override func viewDidLoad() {
        super.viewDidLoad()
        rightBarAction = #selector(quit)
        configureInterface()
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(true)
        titleWithbackBar = "群资料"
        groupDetailViewModel.fetchGroupDetailData(groupId: groupId)
        FFToastView.showLoadingToast(inView: view, blockSuperView: true)
    }

    // MARK: init interface
    func configureInterface() {

        groupDetailViewModel.groupDetailData.asObservable().bind {[unowned self] (model) in
//            if let adminID = model.group?.admin_id {
//                self.groupLockSwitch.isHidden = adminID != SharedUserInfo.userId
//            } else {
//                self.groupLockSwitch.isHidden = true
//            }
//
//            self.groupNameLabel.text = model.group?.group_name
//            if let count = model.users?.passed_count {
//                self.groupUserCountLabel.text = "\(count)名"
//            } else {
//                self.groupUserCountLabel.text = "0名"
//            }
//
//            guard let passUsers = model.users?.passed else {
//                return
//            }
//            //锁定
//            if let lock = model.group?.group_lock {
//                self.groupLockSwitch.isOn = lock
//                self.groupLockTip.text = lock ? "群已锁定,不再允许新成员加入" : "群未锁定,可以邀请新成员加入"
//            }
//            let userHead = passUsers.flatMap {[$0.avatar]}
//            self.configureScrollView(userHead: userHead)
        }.disposed(by: disposeBag)

    }

    func configureScrollView(userHead: [String]) {
        var count = -1
        let headerUrl = userHead.filter { (_) -> Bool in
            count += 1
            return count < 6
        }
        let userSize = (view.width - 70) / 6
        self.scrollViewConstraint.constant = userSize + 12
        self.groupUserHeaderScrollView.buildImageViews(headerUrl, width: userSize, height: (view.width - 70) / 6, spacing: 10, topSpcing: 0) { (_) in

        }

    }

    // MARK: Storyboard  button

    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        let navigationController = segue.destination as! UINavigationController
        if let ctl = navigationController.topViewController as? ChangeGroupNameController {
            ctl.detailData = groupDetailViewModel.groupDetailData.value
        }
        if let ctl = navigationController.topViewController as? GroupMebersController {
            guard let passed = groupDetailViewModel.groupDetailData.value.users?.passed else {
                return
            }
            ctl.meberData = Variable<[UserModel]>(passed)
            ctl.groupId = groupDetailViewModel.groupDetailData.value.group_id
        }
    }

    @IBAction func showEWM() {
        let ctl = UIStoryboard.groupDetail.instantiateController(ShowGroupQRController.self)
        ctl.data = groupDetailViewModel.groupDetailData.value.group
        presentController(ctl)
    }

    @objc func quit() {
        let alert = FFAlertController(title: "", message: "", alertStyle: .actionSheet)
        alert.addAlertAction(alertAction: DestructiveAlertAction(title: "退出该群", handler: { (alertAction) in
            let subAlert = FFAlertController(title: "退出群", message: "退出后将不再能看到群内照片", alertStyle: .alert)
            subAlert.addAlertAction(alertAction: CancelAlertAction())
            subAlert.addAlertAction(alertAction: ConfirmAlertAction(handler: { (alertAction) in
                self.groupDetailViewModel.quitQroup(success: {[weak self] in
                    if let weakself = self {
                        PhotoLocalStorage.instance.removeLocalData(group_id: weakself.groupId)
                        subAlert.dismissController()
                        _ = weakself.navigationController?.popToRootViewController(animated: true)
                        FFToastView.showToast(inView: UIApplication.shared.keyWindow ?? weakself.view, withText: "退出群成功")
                    }
                })
            }))
            self.presentController(subAlert)
        }))
        alert.addAlertAction(alertAction: FFAlertAction(title: "取消", handler: nil))
        presentController(alert)
    }

    @IBAction func changeSwitch() {
        groupDetailViewModel.postLock(isLock: groupLockSwitch.isOn)
    }
}