import CSystem

extension ArkSys {
    public struct File {
        /// Reads the entire contents of a file as a String.
        public static func readString(_ path: String) -> String? {
            guard let fp = fopen(path, "r") else { return nil }
            defer { fclose(fp) }
            
            var result = ""
            var buf = [CChar](repeating: 0, count: 256)
            
            while fgets(&buf, 256, fp) != nil {
                result += String(cString: buf)
            }
            return result
        }
        
        /// Writes a String to a file, overwriting existing contents.
        public static func writeString(_ path: String, content: String) -> Bool {
            guard let fp = fopen(path, "w") else { return false }
            defer { fclose(fp) }
            
            return fputs(content, fp) >= 0
        }
    }
}