initial commit

IrisCompanion/iris/Models/WeatherKitConditionCoding.swift

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+//
+//  WeatherKitConditionCoding.swift
+//  iris
+//
+//  Created by Codex.
+//
+
+import Foundation
+import WeatherKit
+
+extension WeatherKit.WeatherCondition {
+    func irisScreamingCase() -> String {
+        Self.upperSnake(from: rawValue)
+    }
+
+    static func irisDecode(_ value: String) -> WeatherKit.WeatherCondition? {
+        let trimmed = value.trimmingCharacters(in: .whitespacesAndNewlines)
+        guard !trimmed.isEmpty else { return nil }
+        if trimmed.uppercased() == "UNKNOWN" { return nil }
+
+        if let direct = WeatherKit.WeatherCondition(rawValue: trimmed) { return direct }
+
+        let lowerCamel = lowerCamel(fromScreamingOrSnake: trimmed)
+        if let mapped = WeatherKit.WeatherCondition(rawValue: lowerCamel) { return mapped }
+
+        return nil
+    }
+
+    private static func upperSnake(from value: String) -> String {
+        var out = ""
+        out.reserveCapacity(value.count + 8)
+        for scalar in value.unicodeScalars {
+            if CharacterSet.uppercaseLetters.contains(scalar), !out.isEmpty {
+                out.append("_")
+            }
+            out.append(String(scalar).uppercased())
+        }
+        return out
+    }
+
+    private static func lowerCamel(fromScreamingOrSnake value: String) -> String {
+        let parts = value
+            .split(separator: "_")
+            .map { $0.lowercased() }
+        guard let first = parts.first else { return value }
+        let rest = parts.dropFirst().map { $0.prefix(1).uppercased() + $0.dropFirst() }
+        return ([String(first)] + rest).joined()
+    }
+}
+