//
//  ChangeMealCollectionView.swift
//  ADHTuanCan
//
//  Created by 敖德亨 on 2023/10/27.
//

import UIKit

class ChangeMealCollectionView: UIView {

    @IBOutlet weak var collectView: UICollectionView!
   
    var changeFoodBlock : ((_ model : MealFoodMsgModel , _ index : Int)->Void)?
    var dataModel : SetMealDetailModel?
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self.createCollectView()
    }
    
    //MARK: collectionView
    func createCollectView(){
        
        //设置布局
        let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout.init()
        let itemSpac = 25.0
        layout.scrollDirection = .vertical //竖直
        layout.itemSize = CGSize.init(width: (kSCREEN_WIDTH - 81)/3, height: 155)
        //行距
        layout.minimumInteritemSpacing = 15
        layout.minimumLineSpacing = 15
        layout.sectionInset = .init(top: 25, left: itemSpac, bottom: 0, right: itemSpac)

        collectView.collectionViewLayout = layout
        collectView.backgroundColor = UIColor.clear
//        collectView.delegate = self
//        collectView.dataSource = self
        collectView.showsVerticalScrollIndicator = false
        collectView.isScrollEnabled = false
        collectView.register(withType: ChangeMealCollectItem.self)
        
    }
    
    func configModel(model : SetMealDetailModel){
        self.dataModel = model
        self.collectView.reloadData()
    }
    
    func replaceModle(model : MealFoodMsgModel , index : Int){
        if self.changeFoodBlock != nil{
            self.changeFoodBlock!(model,index)
        }
    }
}


//MARK: Delegate
extension ChangeMealCollectionView : UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout
{
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {

        return self.dataModel?.mealFoodMsgs?.count ?? 0
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        
        let cell : ChangeMealCollectItem = collectionView.dequeueReusableCell(withReuseIdentifier: "ChangeMealCollectItem", for: indexPath) as! ChangeMealCollectItem
        cell.configDataSouce(model: self.dataModel!.mealFoodMsgs![indexPath.row])
        cell.changeFoodBlock = {[weak self] model in
            self?.replaceModle(model: model, index: indexPath.row)
        }
        
        return cell;
    }
    
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
      
    }
}