mdbsql 0.1.1

use std::sync::{MutexGuard, PoisonError};

use crate::ffi::Mdb;

/// Enum listing for errors from mdbsql.
#[derive(thiserror::Error, Debug)]
pub enum Error {
    /// Error when given path is not a file.
    #[error("invalid path")]
    InvalidPath,

    /// Error when given path is not a valid mdb file.
    #[error("invalid mdb file")]
    InvalidMdbFile,

    /// Error from libmdbsql
    #[error("{0}")]
    MdbSqlError(String),

    /// Error converting a string to c-string.
    #[error(transparent)]
    NulError(#[from] std::ffi::NulError),

    /// Error converting a string to utf8.
    #[error(transparent)]
    Utf8Error(#[from] std::str::Utf8Error),

    /// Poison Error for `MutexGuard<Mdb>`
    #[error("{0}")]
    MutexPoisonError(String),

    /// Error when access to row value with invalid index
    #[error("invalid index to row results: {0}")]
    InvalidRowIndex(usize),

    /// Error converting SQL value to `T`
    #[error(transparent)]
    FromSqlError(#[from] serde_plain::Error),
}

impl From<PoisonError<MutexGuard<'_, Mdb>>> for Error {
    fn from(error: PoisonError<MutexGuard<Mdb>>) -> Self {
        Self::MutexPoisonError(error.to_string())
    }
}