From 6c9bb11d4a1749360f1e3f11e198c92de8616efe Mon Sep 17 00:00:00 2001
From: Sarah Bradley <git@sarahduck.ca>
Date: Wed, 17 Apr 2024 17:44:45 -0700
Subject: Bringing stuff from OnekoOnline

---
 ConfigFile.cs | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 ConfigFile.cs

(limited to 'ConfigFile.cs')

diff --git a/ConfigFile.cs b/ConfigFile.cs
new file mode 100644
index 0000000..5ed1054
--- /dev/null
+++ b/ConfigFile.cs
@@ -0,0 +1,91 @@
+namespace SarahEngine;
+
+public class ConfigFile
+{
+    public readonly string Path;
+    readonly Dictionary<string, string> ConfigOptions = [];
+    bool OptionChanged = false;
+    const string TopLine = "# OnekoOnline Config File";
+
+    public ConfigFile(string path)
+    {
+        Path = path;
+
+        if (!File.Exists(Path)) {
+            Console.WriteLine("Config file does not exist, creating one.");
+            File.WriteAllText(Path, TopLine);
+            OptionChanged = true;
+            SaveFileDelayed(3000);
+            return;
+        }
+
+        string[] fileContents = File.ReadAllLines(Path);
+
+        foreach (string line in fileContents) {
+            if (line[0] == '#' || !line.Contains('=') || line.Length < 3) continue;
+
+            string key = line[0..line.IndexOf('=')];
+            string value = line[(line.IndexOf('=')+1)..];
+            ConfigOptions.Add(key, value);
+        }
+    }
+
+    public async void SaveFileDelayed(int delayInMilliseconds)
+    {
+        await Task.Delay(delayInMilliseconds);
+        SaveFile();
+    }
+
+    public void SaveFile()
+    {
+        if (!OptionChanged) return;
+
+        List<string> linesToWrite = [TopLine];
+        foreach (KeyValuePair<string, string> pair in ConfigOptions.OrderBy(k => k.Key)) linesToWrite.Add(pair.Key + "=" + pair.Value);
+        File.WriteAllLines(Path, linesToWrite);
+
+        OptionChanged = false;
+    }
+
+    public T GetValue<T>(string Key, T defaultValue) where T : IConvertible
+    {
+        if (ConfigOptions.TryGetValue(Key, out string? value)) {
+            try {
+                return (T)Convert.ChangeType(value, typeof(T));
+            } catch {
+                Console.WriteLine($"Config option {Key} is invalid, setting to default.");
+            }
+        }
+
+        SetValue(Key, defaultValue);
+        return defaultValue;
+    }
+
+    public string GetValue(string Key, string defaultValue)
+    {
+        if (ConfigOptions.TryGetValue(Key, out string? value)) {
+            return value;
+        }
+
+        SetValue(Key, defaultValue);
+        return defaultValue;
+    }
+
+    public void SetValue<T>(string Key, T Value) where T : IConvertible
+    {
+        string? ValueString = Value.ToString();
+        if (ValueString is null) return;
+
+        SetValue(Key, ValueString);
+    }
+
+    public void SetValue(string Key, string Value)
+    {
+        if (ConfigOptions.TryAdd(Key, Value)) {
+            OptionChanged = true;
+        } else if (ConfigOptions[Key] != Value) {
+            ConfigOptions[Key] = Value;
+            OptionChanged = true;
+        }
+    }
+}
\ No newline at end of file
-- 
cgit