use crate::error::DatabaseError;

use bitflags::_core::str::from_utf8_unchecked;

use libsqlite3_sys::{sqlite3, sqlite3_errmsg, sqlite3_extended_errcode};

use std::ffi::CStr;

use std::fmt::{self, Display};

use std::os::raw::c_int;

#[derive(Debug)]

pub struct SqliteError {

code: String,

message: String,

}

// Error Codes And Messages

// https://www.sqlite.org/c3ref/errcode.html

impl SqliteError {

pub(super) fn from_connection(conn: *mut sqlite3) -> Self {

#[allow(unsafe_code)]

let code: c_int = unsafe { sqlite3_extended_errcode(conn) };

#[allow(unsafe_code)]

let message = unsafe {

let err = sqlite3_errmsg(conn);

debug_assert!(!err.is_null());

from_utf8_unchecked(CStr::from_ptr(err).to_bytes())

};

Self {

code: code.to_string(),

message: message.to_owned(),

}

}

}

impl Display for SqliteError {

fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {

f.pad(self.message())

}

}

impl DatabaseError for SqliteError {

fn message(&self) -> &str {

&self.message

}

fn code(&self) -> Option<&str> {

Some(&self.code)

}

}