//
//  FeatureIntroVC.swift
//  QuickLocation
//

import UIKit
import CoreLocation
import SwiftyUserDefaults
import SDCycleScrollView

final class FeatureIntroVC: BaseViewController {

    override var isNavigationBarHidden: Bool { true }

    private var rootView: FeatureIntroView!

    private var bannerList: [BannerConfigModel] = []
    
    override func loadView() {
        rootView = FeatureIntroView(frame: UIScreen.main.bounds)
        view = rootView
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        
        rootView.cycleScrollView.delegate = self
        
        rootView.onTapItem = { [weak self] action in
            self?.handle(action)
        }
    }
    
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)
        
        guard let config = AppContextManager.shared.systemConfig else { return }
        bannerList = config.bannerList
        rootView.cycleScrollView.isHidden = config.bannerList.filter { $0.enable == true }.count == 0
        rootView.cycleScrollView.imageURLStringsGroup = config.bannerList.filter { $0.enable == true }.map { $0.img }
    }

    private func handle(_ action: FeatureIntroAction) {
        switch action {
        case .signIn:
            let vc = SignInVC(lastLocation: savedLastLocation)
            vc.isNeedLogin = true
            AppRouter.push(vc)
        case .createBubble:
            AppRouter.push(Route.createBubble)
        case .lockDistract:
            AppRouter.push(Route.lockDistract)
        case .pigeonMessage:
            AppRouter.push(Route.pigeonMessage)
        case .searchLocation:
            AppRouter.push(Route.searchLocation)
        case .sos:
            let vc = SOSViewController()
            vc.isNeedLogin = true
            AppRouter.push(vc)
        case .placeholder:
            DLToast.show(text: "敬请期待")
        }
    }

    private var savedLastLocation: CLLocation? {
        guard let lat = Defaults[\.currentLatitude],
              let lon = Defaults[\.currentLongitude] else { return nil }
        return CLLocation(latitude: lat, longitude: lon)
    }
}

extension FeatureIntroVC: SDCycleScrollViewDelegate {
    func cycleScrollView(_ cycleScrollView: SDCycleScrollView!, didSelectItemAt index: Int) {
        let model = bannerList[index]
        
        switch model.type {
        case "app":
            if model.url == "member" {
                AppRouter.push(Route.vipRecharge)
            }
        case "web":
            AppRouter.push(Route.web, userInfo: ["url": model.url])
        default:
            break
        }
    }
}