import UIKit
import Material

class DealStatsBar: Bar {

    var sold: Int = 0 {
        didSet {
            prepareSold(sold: sold)
            loadBar()
        }
    }

    var originalPrice: Double = 0.0 {
        didSet {
            prepareOriginalPrice(price: originalPrice)
            loadBar()
        }
    }

    var currentPrice: Double = 0.0 {
        didSet {
            prepareCurrentPrice(price: currentPrice)
            loadBar()
        }
    }

    var frameHeight: CGFloat = 30.0 {
        didSet {
            frame.size.height = frameHeight
            loadBar()
        }
    }

    var frameWidth: CGFloat = Device.width {
        didSet {
            frame.size.width = frameWidth
            loadBar()
        }
    }

    private var soldLabel: UILabel!
    private var originalPriceLabel: UILabel!
    private var currentPriceLabel: UILabel!

    override func prepare() {
        super.prepare()
        gridFactor = 25
        interimSpacePreset = .interimSpace1
        frameHeight = 30

        backgroundColor = Color.grey.darken3
    }

    private func prepareSold(sold: Int) {
        soldLabel = UILabel.create(sold: sold)
    }

    private func prepareOriginalPrice(price: Double) {
        originalPriceLabel = UILabel.create(originalPrice: price)
        originalPriceLabel!.textAlignment = .right
//        originalPriceLabel!.frame.size.width = 50
//        originalPriceLabel!.grid.offset.columns = 3
    }

    private func prepareCurrentPrice(price: Double) {
        currentPriceLabel = UILabel.create(currentPrice: price)
        currentPriceLabel!.textAlignment = .right
//        currentPriceLabel!.frame.size.width = 50
    }

    private func loadBar() {
        var stack: [UILabel] = [UILabel]()

        if let v = soldLabel {
            leftViews = [v]
        }

        centerViews = []

        if let v = originalPriceLabel {
            stack.append(v)
        }
        if let v = currentPriceLabel {
            stack.append(v)
        }
        rightViews = stack
    }

}