From 17fc7cfdabb6c67e4f97972ffdeb7cd111a544b8 Mon Sep 17 00:00:00 2001
From: Gregory Sinnott <gnsinnott@gmail.com>
Date: Sat, 10 Feb 2024 03:40:59 -0700
Subject: Basic chart implementation with tab view

---
 iCUrHealth/ContentView.swift | 86 +++++++++++++++++++++++++-------------------
 iCUrHealth/HealthChart.swift | 36 +++++++++++++++++++
 iCUrHealth/UserCharts.swift  | 47 ++++++++++++++++++++++++
 3 files changed, 133 insertions(+), 36 deletions(-)
 create mode 100644 iCUrHealth/HealthChart.swift
 create mode 100644 iCUrHealth/UserCharts.swift

diff --git a/iCUrHealth/ContentView.swift b/iCUrHealth/ContentView.swift
index 200e14c..2b532ce 100644
--- a/iCUrHealth/ContentView.swift
+++ b/iCUrHealth/ContentView.swift
@@ -38,48 +38,62 @@ struct ContentView: View {
     
     var body: some View {
         NavigationView {
-            VStack {
-                HStack {
-                    Text("Steps")
-                    Chart(data) {
-                        BarMark(x: .value("Date", $0.dateInterval),
-                                y: .value("Count", $0.data)
-                        )
-                        
-                    }
-                }.frame(maxHeight: 100)
-                Button(action: {
-                    Task {
-                        try await fetchStepCountData()
-                    }
-                })
-                     {
-                    Text("Exp Function")
-                }
-                Spacer()
-                .onAppear() {
-                    if HKHealthStore.isHealthDataAvailable() {
-                        trigger.toggle()
-                    }
-                }
-                .healthDataAccessRequest(store: healthStore,
-                                         readTypes: allTypes,
-                                         trigger: trigger) { result in
-                    switch result {
-                        
-                    case .success(_):
-                        authenticated = true
+            TabView{
+                VStack {
+                    HStack {
+                        Text("Steps")
+                        Chart(data) {
+                            BarMark(x: .value("Date", $0.dateInterval),
+                                    y: .value("Count", $0.data)
+                            )
+                            
+                        }
+                    }.frame(maxHeight: 100)
+                    Button(action: {
                         Task {
                             try await fetchStepCountData()
                         }
-                    case .failure(let error):
-                        // Handle the error here.
-                        fatalError("*** An error occurred while requesting authentication: \(error) ***")
+                    })
+                    {
+                        Text("Exp Function")
                     }
+                    Spacer()
+                        .onAppear() {
+                            if HKHealthStore.isHealthDataAvailable() {
+                                trigger.toggle()
+                            }
+                        }
+                        .healthDataAccessRequest(store: healthStore,
+                                                 readTypes: allTypes,
+                                                 trigger: trigger) { result in
+                            switch result {
+                                
+                            case .success(_):
+                                authenticated = true
+                                Task {
+                                    try await fetchStepCountData()
+                                }
+                            case .failure(let error):
+                                // Handle the error here.
+                                fatalError("*** An error occurred while requesting authentication: \(error) ***")
+                            }
+                        }
                 }
+                .padding()
+                .navigationTitle("iCUrHealth")
+                
+                .tabItem {
+                    Image(systemName: "gear")
+                    Text("Home")
+                }
+                let ch1 = userChart(type: "bar", data1: data)
+                let ch2 = userChart(type: "line", data1: data)
+                UserCharts(charts: [ch1, ch2])
+                    .tabItem {
+                        Image(systemName: "chart.xyaxis.line")
+                        Text("Charts")
+                    }
             }
-            .padding()
-            .navigationTitle("iCUrHealth")
         }
     }
     
diff --git a/iCUrHealth/HealthChart.swift b/iCUrHealth/HealthChart.swift
new file mode 100644
index 0000000..971c8ea
--- /dev/null
+++ b/iCUrHealth/HealthChart.swift
@@ -0,0 +1,36 @@
+//
+//  HealthChart.swift
+//  iCUrHealth
+//
+//  Created by Gregory Sinnott on 2/10/24.
+//
+
+import SwiftUI
+import Charts
+
+struct HealthChart: View {
+    var chart: userChart
+    var body: some View {
+        switch chart.type{
+        case "bar":
+            Chart(chart.data1) {
+                BarMark(x: .value("Date", $0.dateInterval),
+                        y: .value("Count", $0.data)
+                )
+        }
+        case "line":
+            Chart(chart.data1) {
+                LineMark(x: .value("Date", $0.dateInterval),
+                        y: .value("Count", $0.data)
+                )
+        }
+        default:
+            Text("No chart found")
+        }
+        
+    }
+}
+
+//#Preview {
+//    HealthChart()
+//}
diff --git a/iCUrHealth/UserCharts.swift b/iCUrHealth/UserCharts.swift
new file mode 100644
index 0000000..739abdb
--- /dev/null
+++ b/iCUrHealth/UserCharts.swift
@@ -0,0 +1,47 @@
+//
+//  UserCharts.swift
+//  iCUrHealth
+//
+//  Created by Gregory Sinnott on 2/10/24.
+//
+
+import SwiftUI
+
+struct userChart: Identifiable {
+    let type: String
+    let data1: [chartData]
+    var id = UUID()
+    func getTrend() -> Double{
+        var trend: Double
+        var values: [Double] = []
+        for dataPoint in data1 {
+            values.append(dataPoint.data)
+        }
+        trend = values.reduce(0.0, +)
+        return trend
+    }
+    
+}
+
+struct UserCharts: View {
+    var charts: [userChart]
+    var body: some View {
+        VStack{
+            
+            ForEach(charts) {
+                chart in
+                VStack{
+                    let trend = chart.getTrend()
+                    let trendString = String(trend)
+                    Text(trendString)
+                    HealthChart(chart: chart)
+                }
+            }
+        }
+        
+    }
+}
+//
+//#Preview {
+//    UserCharts()
+//}
-- 
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