From db7cd43658a8d9a506b46b04a2811199c444b88e Mon Sep 17 00:00:00 2001
From: Sami Samhuri <sami@samhuri.net>
Date: Sun, 5 Feb 2023 12:22:56 -0800
Subject: [PATCH] Make the cloud cloudier

---
 MemoryTree/CloudView.swift | 66 +++++++++++++++++++++++++++++++++++---
 1 file changed, 61 insertions(+), 5 deletions(-)

diff --git a/MemoryTree/CloudView.swift b/MemoryTree/CloudView.swift
index 6409a4b..600ceb3 100644
--- a/MemoryTree/CloudView.swift
+++ b/MemoryTree/CloudView.swift
@@ -10,14 +10,27 @@ import SwiftUI
 
 struct CloudView: View {
 //    @Stored(in: .entriesStore) var entries
-    @Binding var entries: [Entry]
+    @Binding var entries: [Entry] {
+        didSet {
+            countedWords = countWords()
+        }
+    }
+
+    @State var countedWords: [String: Int] = [:]
+
+    var words: [String] {
+        Array(countedWords.keys)
+    }
 
     @Environment(\.dismiss) var dismiss
 
     var body: some View {
         VStack {
-            ForEach(entries) { entry in
-                Text(entry.text)
+            ForEach(words, id: \.self) { word in
+                let count = countedWords[word, default: 1]
+                Text(word)
+                    .font(fontForCount(count))
+                    .bold(count > 2)
             }
         }
         .frame(maxWidth: .infinity, maxHeight: .infinity)
@@ -38,6 +51,26 @@ struct CloudView: View {
             }
         }
     }
+
+    func fontForCount(_ count: Int) -> Font {
+        switch count {
+        case 0, 1: return .body
+        case 2: return .title3
+        case 3: return .title2
+        case 4: return .title
+        default: return .largeTitle
+        }
+    }
+
+    func countWords() -> [String: Int] {
+        let words = entries
+            .map(\.text)
+            .flatMap { $0.split(separator: " ") }
+            .map(String.init)
+        return words.reduce(into: [:]) { partialResult, word in
+            partialResult[word, default: 0] += 1
+        }
+    }
 }
 
 struct CloudView_Previews: PreviewProvider {
@@ -45,9 +78,32 @@ struct CloudView_Previews: PreviewProvider {
         Group {
             NavigationStack {
                 CloudView(entries: .constant([]))
-
-                CloudView(entries: .constant([Entry(text: "Coffee"), Entry(text: "Trees")]))
             }
+            .previewDisplayName("Empty")
+
+            NavigationStack {
+                CloudView(entries: .constant([]), countedWords: [
+                    "Coffee" : 2,
+                    "Trees" : 1,
+                    "Mountains" : 1,
+                ])
+            }
+            .previewDisplayName("Few entries")
+
+            NavigationStack {
+                CloudView(entries: .constant([]), countedWords: [
+                    "Coffee" : 4,
+                    "Trees" : 2,
+                    "Mountains" : 3,
+                    "Burritos" : 1,
+                    "Home" : 5,
+                    "My Cat": 2,
+                    "Love": 3,
+                    "Clean water": 2,
+                    "Health": 3,
+                ])
+            }
+            .previewDisplayName("Many entries")
         }
         .tint(.white)
     }