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use std::{error::Error as StdError, fmt, result, str::Utf8Error};

use serde::{de, ser};

pub type Result<T, E = Error> = result::Result<T, E>;

#[derive(Debug, thiserror::Error)]
#[non_exhaustive]
pub enum Error {
    #[error("invalid params: {0}")]
    InvalidParams(#[source] Box<dyn StdError + Send>),
    #[error("network error: {0}")]
    Network(#[source] Box<dyn StdError + Send>),
    #[error("sequences must have a knowable size ahead of time")]
    SequenceMustHaveLength,
    #[error("`deserialize_any` is not supported")]
    DeserializeAnyNotSupported,
    #[error("not enough data. Probably a row type mismatches a database schema")]
    NotEnoughData,
    #[error("string is not valid utf8")]
    InvalidUtf8Encoding(#[from] Utf8Error),
    #[error("tag for enum is not valid")]
    InvalidTagEncoding(usize),
    #[error("a custom error message from serde: {0}")]
    Custom(String),
    #[error("bad response: {0}")]
    BadResponse(String),
}

impl From<hyper::Error> for Error {
    fn from(error: hyper::Error) -> Self {
        Self::Network(Box::new(error))
    }
}

impl ser::Error for Error {
    fn custom<T: fmt::Display>(msg: T) -> Self {
        Self::Custom(msg.to_string())
    }
}

impl de::Error for Error {
    fn custom<T: fmt::Display>(msg: T) -> Self {
        Self::Custom(msg.to_string())
    }
}