//
//  DiscoverRecommendView.swift
//  wyy
//
//  Created by 施书顺 on 2021/3/5.
//

import UIKit

class DiscoverRecommendView: UIView {
    
    let recommendLabel = UILabel()
    let moreLabel = UILabel()
    let scrollView = UIButtonScrollView()
    var albumButtons = [AlbumButton]()
    
    struct AlbumData {
        var imageName: String
        var title: String
        var count: Int
    }
    var data = [AlbumData(imageName: "album1", title: "这是一个歌单标题", count: 1234),
                AlbumData(imageName: "album2", title: "歌单标题", count: 100),
                AlbumData(imageName: "album3", title: "我是一个歌单~~~~~", count: 99999),
                AlbumData(imageName: "album1", title: "这是一个歌单标题", count: 1234),
                AlbumData(imageName: "album2", title: "歌单标题", count: 100),
                AlbumData(imageName: "album3", title: "我是一个歌单~~~~~", count: 99999),
                AlbumData(imageName: "album3", title: "我是一个歌单~~~~~", count: 99999),]

    init(){
        super.init(frame: CGRect.zero)
        
        recommendLabel.text = "推荐歌单"
        recommendLabel.font = UIFont.systemFont(ofSize: 20, weight: .bold)
        addSubview(recommendLabel)
        recommendLabel.snp.makeConstraints{ make in
            make.top.equalTo(5)
            make.left.equalTo(20)
        }
        
        moreLabel.text = " 更多 >"
        moreLabel.font = UIFont.systemFont(ofSize: 15)
        moreLabel.textAlignment = .center
        moreLabel.layer.borderColor = UIColor.gray.withAlphaComponent(0.5).cgColor
        moreLabel.layer.borderWidth = 1.0
        moreLabel.layer.cornerRadius = 10
        addSubview(moreLabel)
        moreLabel.snp.makeConstraints{ make in
            make.top.equalTo(0)
            make.right.equalTo(-10)
            make.width.equalTo(60)
            make.height.equalTo(30)
        }
        
        scrollView.canCancelContentTouches = true
        scrollView.bounces = true
        scrollView.showsHorizontalScrollIndicator = false
        scrollView.showsVerticalScrollIndicator = false
        // 20 * 2 + 100 * 6 + 15 * 4
        scrollView.contentSize = CGSize(width: 20 * 2 + 100 * data.count + 15 * 4, height: 120)
        addSubview(scrollView)
        scrollView.snp.makeConstraints{ make in
            make.top.equalTo(recommendLabel.snp.bottom).offset(10)
            make.width.equalToSuperview()
            make.height.equalTo(140)
        }
        for item in data {
            let alb = AlbumButton(imageName: item.imageName, title: item.title, count: item.count)
            scrollView.addSubview(alb)
            alb.snp.makeConstraints{ make in
                if albumButtons.isEmpty {
                    make.left.equalTo(20)
                } else {
                    make.left.equalTo(albumButtons.last!.snp.right).offset(15)
                }
                make.top.equalTo(0)
            }
            albumButtons.append(alb)
        }
    }
    
    
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
}