IOS-183: minutely general smart text support.

1Weather/Resources/Assets.xcassets/minutely_smart_text_precipitation.imageset/Contents.json

+{
+  "images" : [
+    {
+      "filename" : "bitmapCopy.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "bitmapCopy@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "bitmapCopy@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

1Weather/Resources/Assets.xcassets/minutely_smart_text_temperature.imageset/Contents.json

+{
+  "images" : [
+    {
+      "filename" : "bitmapCopy20.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "filename" : "bitmapCopy20@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "filename" : "bitmapCopy20@3x.png",
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

1Weather/UI/SharedViews/MinutelyForecastView/MinutelyForecastView.swift

@@ -8,6 +8,7 @@
 import UIKit
 import OneWeatherCore
 import Accelerate
+import SnapKit
 
 enum MinutelyForecastType {
     case temperature
@@ -16,6 +17,9 @@ enum MinutelyForecastType {
 
 private let kTemperatureColors = [UIColor(hex: 0xff934f), UIColor(hex: 0xff414a)]
 private let kPrecipitationColors = [UIColor(hex: 0x2d99ff), UIColor(hex: 0x8fc6fb)]
+private let kSmartTextBackgroundColorTemperature = UIColor(hex: 0xfaedda80)
+private let kSmartTextBackgroundColorPrecipitation = UIColor(hex: 0xd9ebfe)
+private let kSmartTextAreaHeight = CGFloat(40)
 
 private class MinutelyLevelView: UIView {
     private let gradient = CAGradientLayer()
@@ -67,6 +71,10 @@ class MinutelyForecastView: UIView {
     private let levelsStackView = UIStackView()
     private let verticalStackView = UIStackView()
     private let scrollView = UIScrollView()
+    private let smartTextBackgroundView = UIView()
+    private var smartTextBackgroundViewHeightContraint: Constraint?
+    private let smartTextLabel = UILabel()
+    private let smartTextIcon = UIImageView()
     private let centerDashline = CAShapeLayer()
     private var levelsDashline = [CAShapeLayer]()
     private let feedbackGenerator = UISelectionFeedbackGenerator()
@@ -75,6 +83,8 @@ class MinutelyForecastView: UIView {
     private var lastSelectedLevelIndex = 0
     private var minutelyForecast = [MinutelyItem]()
     private var forecastType = MinutelyForecastType.temperature
+    private var smartTextProvider: SmartTextProvider = SmartTextProvider(prioritizedSmartTexts: [])
+    
     private lazy var dateFormatter: DateFormatter = {
         let formatter = DateFormatter()
         formatter.dateFormat = "h:mm a"
@@ -88,6 +98,7 @@ class MinutelyForecastView: UIView {
         prepareDetailView()
         prepareCenterDashLine()
         prepareScrollView()
+        prepareSmartTextView()
         prepareVerticalStackView()
     }
     
@@ -128,6 +139,7 @@ class MinutelyForecastView: UIView {
         
         centerDashline.strokeColor = forecastType == .temperature ? kTemperatureColors.last?.cgColor
                                                                     : kPrecipitationColors.last?.cgColor
+        updateSmartText()
         
         prepareMinutelyItems()
         if let firstMinutelyItem = minutelyForecast.first {
@@ -136,6 +148,29 @@ class MinutelyForecastView: UIView {
         updateChart()
     }
     
+    private func updateSmartText() {
+        smartTextBackgroundView.backgroundColor = self.forecastType == .temperature ? kSmartTextBackgroundColorTemperature : kSmartTextBackgroundColorPrecipitation
+        smartTextIcon.image = UIImage(named: forecastType == .temperature ? "minutely_smart_text_temperature" : "minutely_smart_text_precipitation")
+        var smartText = ""
+        if let location = self.location {
+            smartText = smartTextProvider.smartText(for: location)
+        }
+        smartTextLabel.text = smartText
+        let newHeight: CGFloat
+        if smartText.isEmpty {
+            newHeight = 0
+            smartTextBackgroundView.isHidden = true
+        }
+        else {
+            newHeight = kSmartTextAreaHeight
+            smartTextBackgroundView.isHidden = false
+        }
+        smartTextBackgroundViewHeightContraint?.deactivate()
+        smartTextBackgroundView.snp.makeConstraints { make in
+            smartTextBackgroundViewHeightContraint = make.height.equalTo(newHeight).constraint
+        }
+    }
+    
     private func updateDetailsView(minutelyItem: MinutelyItem) {
         switch forecastType {
         case .temperature:
@@ -382,10 +417,41 @@ private extension MinutelyForecastView {
             make.left.equalToSuperview().inset(42)
             make.top.equalTo(detailsInfoView.snp.bottom).offset(8)
             make.right.equalToSuperview().inset(20)
-            make.bottom.equalToSuperview().inset(40)
         }
     }
     
+    func prepareSmartTextView() {
+        smartTextBackgroundView.translatesAutoresizingMaskIntoConstraints = false
+        smartTextBackgroundView.layer.cornerRadius = 12
+        smartTextBackgroundView.clipsToBounds = true
+        addSubview(smartTextBackgroundView)
+        
+        smartTextBackgroundView.snp.makeConstraints { make in
+            make.top.equalTo(scrollView.snp.bottom).offset(18)
+            make.left.right.equalToSuperview().inset(20)
+            make.bottom.equalToSuperview()
+        }
+        
+        smartTextLabel.font = AppFont.SFPro.regular(size: 13)
+        smartTextLabel.numberOfLines = 0
+        
+        smartTextBackgroundView.addSubview(smartTextIcon)
+        smartTextBackgroundView.addSubview(smartTextLabel)
+        smartTextIcon.snp.makeConstraints { make in
+            make.leading.equalToSuperview().inset(18)
+            make.width.height.equalTo(12)
+            make.centerY.equalToSuperview()
+        }
+        
+        smartTextLabel.snp.makeConstraints { make in
+            make.leading.equalTo(smartTextIcon.snp.trailing).offset(7)
+            make.centerY.equalToSuperview()
+            make.trailing.lessThanOrEqualToSuperview().inset(18)
+        }
+        
+        updateSmartText()
+    }
+    
     func prepareCenterDashLine() {
         centerDashline.lineWidth = 1
         centerDashline.lineDashPattern = [4,2]