//
//  MPPositive_SearchViewController.swift
//  MusicPlayer
//
//  Created by Mr.Zhou on 2024/4/19.
//

import UIKit

class MPPositive_SearchViewController: MPPositive_BaseViewController {
    //背景图片
    private lazy var bgImageView:UIImageView = {
        let imageView:UIImageView = .init(image: .init(named: "B_Home_BG'bg"))
        imageView.contentMode = .scaleAspectFill
        return imageView
    }()
    //模块展示
    private lazy var grideCollectionView:UICollectionView = {
        let layout = UICollectionViewFlowLayout()
        layout.itemSize = .init(width: 162*width, height: 60*width)
        layout.sectionInset = .init(top: 20*width, left: 18*width, bottom: 70*width, right: 18*width)
        let collectionView = UICollectionView(frame: .init(x: 0, y: 0, width: screen_Width, height: screen_Height), collectionViewLayout: layout)
        collectionView.showsVerticalScrollIndicator = false
        collectionView.showsHorizontalScrollIndicator = false
        collectionView.backgroundColor = .clear
        collectionView.dataSource = self
        collectionView.delegate = self
        collectionView.register(MPPositive_SearchGrideCollectionViewCell.self, forCellWithReuseIdentifier: MPPositive_SearchGrideCollectionViewCellID)
        return collectionView
    }()
    fileprivate let MPPositive_SearchGrideCollectionViewCellID = "MPPositive_SearchGrideCollectionViewCell"
    override func viewDidLoad() {
        super.viewDidLoad()
        setTitle("")
        configure()
        NotificationCenter.notificationKey.add(observer: self, selector: #selector(grideReloadAction(_ :)), notificationName: .search_gride_reload)
    }
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        MP_AnalyticsManager.shared.search_pvAction()
        grideCollectionView.reloadData()
    }
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        
    }
    deinit{
        NotificationCenter.default.removeObserver(self)
    }
    
    //配置
    private func configure() {
        let searchView = createSearchView()
        navView.addSubview(searchView)
        searchView.snp.makeConstraints { make in
            make.width.equalTo(339*width)
            make.height.equalTo(32*width)
            make.center.equalToSuperview()
        }
        view.addSubview(bgImageView)
        bgImageView.snp.makeConstraints { make in
            make.top.right.left.equalToSuperview()
            make.height.equalTo(981*width)
        }
        view.addSubview(grideCollectionView)
        grideCollectionView.snp.makeConstraints { make in
            make.top.equalTo(navView.snp.bottom).offset(15*width)
            make.left.right.bottom.equalToSuperview()
        }
    }
    //生成一个顶部搜索框
    private func createSearchView() -> UIView{
        let searchView:UIView = UIView()
        searchView.backgroundColor = .init(hex: "#212121")
        searchView.isUserInteractionEnabled = true
        searchView.layer.masksToBounds = true
        searchView.layer.cornerRadius = 16*width
        //添加一个icon
        let iconImageView = UIImageView(image: .init(named: "Search_ICON'logo"))
        searchView.addSubview(iconImageView)
        iconImageView.snp.makeConstraints { make in
            make.height.width.equalTo(16*width)
            make.left.equalToSuperview().offset(16*width)
            make.centerY.equalToSuperview()
        }
        let label = createLabel("Search songs,artists,playlists".localizableString(), font: .systemFont(ofSize: 14*width, weight: .regular), textColor: .init(hex: "#666666"), textAlignment: .left)
        searchView.addSubview(label)
        label.snp.makeConstraints { make in
            make.left.equalTo(iconImageView.snp.right).offset(8*width)
            make.right.equalToSuperview().offset(-16*width)
            make.centerY.equalToSuperview()
        }
        searchView.isUserInteractionEnabled = true
        searchView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(searchClick(_:))))
        return searchView
    }
    //刷新
    @objc private func grideReloadAction(_ sender:Notification) {
        DispatchQueue.main.async {
            [weak self] in
            guard let self = self else {return}
            grideCollectionView.reloadData()
        }
    }
    //前往搜索结果页
    @objc fileprivate func searchClick(_ sender:UITapGestureRecognizer) {
        MP_AnalyticsManager.shared.search_from_actionAction("search page")
        let resultVC = MPPositive_SearchResultShowViewController()
        navigationController?.pushViewController(resultVC, animated: false)
    }
}
//MARK: - collectionView
extension MPPositive_SearchViewController: UICollectionViewDataSource, UICollectionViewDelegate {
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return MPPositive_GridLoadViewModel.shared.grideViewModels.count
    }
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: MPPositive_SearchGrideCollectionViewCellID, for: indexPath) as! MPPositive_SearchGrideCollectionViewCell
        cell.gride = MPPositive_GridLoadViewModel.shared.grideViewModels[indexPath.row]
        return cell
    }
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        if indexPath.row <= (MPPositive_GridLoadViewModel.shared.grideViewModels.count - 1) {
            let item = MPPositive_GridLoadViewModel.shared.grideViewModels[indexPath.row]
            MP_AnalyticsManager.shared.grid_mood_clickAction(item.title ?? "")
            let moodVC = MPPositive_GrideMoodViewController(item.grid.browseId, params: item.grid.params, title: item.title ?? "")
            navigationController?.pushViewController(moodVC, animated: false)
            MP_AdMobManager.shared.showSearchInterstitialAdIfAvailable(completion: nil)
        }
    }
}