//
//  LockDistractVC.swift
//  QuickLocation
//

import UIKit
import RxSwift
import RxCocoa

final class LockDistractVC: BaseViewController {

    private var rootView: LockDistractView!
    private var groupModel: GroupModel?
    private var members: [GroupMemberModel] = []
    private var selectedIndex = 0

    override var isNavigationBarHidden: Bool { true }

    override func loadView() {
        rootView = LockDistractView(frame: UIScreen.main.bounds)
        view = rootView
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        view.backgroundColor = UIColor(hexStr: "#FAFAFA")
        bind()
        loadGroupMembers()
    }

    private func bind() {
        rootView.navView.onBackTapped = { [weak self] in
            self?.navigationController?.popViewController(animated: true)
        }

        rootView.switchGroupBtn.rx.tap
            .subscribe(onNext: { [weak self] in
                self?.switchGroup()
            })
            .disposed(by: disposeBag)

        rootView.memberPrevBtn.rx.tap
            .subscribe(onNext: { [weak self] in
                self?.stepMember(-1)
            })
            .disposed(by: disposeBag)

        rootView.memberNextBtn.rx.tap
            .subscribe(onNext: { [weak self] in
                self?.stepMember(1)
            })
            .disposed(by: disposeBag)

        // 未获取 / 锁定：本期不接业务
        rootView.notFetchedView.rx.tapGesture
            .subscribe(onNext: { _ in
                /// TODO
            }).disposed(by: disposeBag)
    }

    private func loadGroupMembers() {
        GroupService.groupInfo().subscribe(onNext: { [weak self] response in
            guard let self, let model = response.model else { return }
            self.groupModel = model
            self.members = model.select_group_employee
            self.selectedIndex = 0
            self.refreshMember()
            self.rootView.setTodayLockCount(0)
        }).disposed(by: disposeBag)
    }

    private func stepMember(_ delta: Int) {
        guard !members.isEmpty else { return }
        let count = members.count
        selectedIndex = (selectedIndex + delta + count) % count
        refreshMember()
    }

    private func refreshMember() {
        guard members.indices.contains(selectedIndex) else {
            rootView.configureMember(name: " ", avatar: nil)
            return
        }
        let m = members[selectedIndex]
        rootView.configureMember(name: m.nick_name, avatar: m.userIcon)
    }

    private func switchGroup() {
        guard let groupModel else {
            loadGroupMembers()
            return
        }
        GroupListPopView.show(groupModel: groupModel) { [weak self] groupKey in
            guard let self, let key = groupKey else { return }
            GroupService.operate(opType: "setdefault", requestData: ["group_key": key])
                .subscribe(onNext: { [weak self] _ in
                    NotificationCenter.default.post(name: .RefreshGroupInfoNotification, object: nil)
                    self?.loadGroupMembers()
                })
                .disposed(by: self.disposeBag)
        }
    }
}