feat: validate configuration

src/errors.rs

@@ -0,0 +1,47 @@
+use color_eyre::section::Section;
+use std::fmt;
+
+#[derive(Debug, Clone, Copy)]
+#[allow(dead_code)]
+pub enum ErrorCategory {
+    Database,
+    Config,
+    Reddit,
+    Action,
+    Notification,
+    IO,
+    Unknown,
+}
+
+impl fmt::Display for ErrorCategory {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            ErrorCategory::Database => write!(f, "Database error"),
+            ErrorCategory::Config => write!(f, "Configuration error"),
+            ErrorCategory::Reddit => write!(f, "Reddit API error"),
+            ErrorCategory::Action => write!(f, "Action error"),
+            ErrorCategory::Notification => write!(f, "Notification error"),
+            ErrorCategory::IO => write!(f, "IO error"),
+            ErrorCategory::Unknown => write!(f, "Unknown error"),
+        }
+    }
+}
+
+#[macro_export]
+macro_rules! define_error_fn {
+    ($fn_name:ident, $category:expr) => {
+        /// Helper function to create an error with context
+        #[allow(dead_code)]
+        pub fn $fn_name<E: std::fmt::Display>(error: E, context: &str) -> color_eyre::eyre::Report {
+            color_eyre::eyre::eyre!("{}: {}", context, error).with_section(|| $category.to_string())
+        }
+    };
+}
+
+// Define all error helper functions using the macro
+define_error_fn!(db_error, ErrorCategory::Database);
+define_error_fn!(config_error, ErrorCategory::Config);
+define_error_fn!(reddit_error, ErrorCategory::Reddit);
+define_error_fn!(action_error, ErrorCategory::Action);
+define_error_fn!(notification_error, ErrorCategory::Notification);
+define_error_fn!(io_error, ErrorCategory::IO);