use thiserror::Error;
pub type Result<T> = std::result::Result<T, GmError>;
#[derive(Error, Debug)]
pub enum GmError {
#[error("Gemini API error: {0}")]
GeminiApi(#[from] reqwest::Error),
#[error("IO error: {0}")]
Io(#[from] std::io::Error),
#[error("Environment variable error: {0}")]
Env(#[from] std::env::VarError),
#[error("Invalid input: {0}")]
InvalidInput(String),
#[error("API key not found. Please set GEMINI_API_KEY environment variable")]
ApiKeyNotFound,
#[error("Invalid response from Gemini API: {0}")]
InvalidResponse(String),
#[error("TTS error: {0}")]
Tts(#[from] tts::Error),
}