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// Copyright 2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

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

use serde::{de, ser};

#[derive(Debug)]
pub enum Error {
    Message(String),
    ExpectedMapEq,
    ExpectedInteger,
    ExpectedFloat,
    ExpectedBool,
    ExpectedUnit,
    Trailing(String),
    Ignored(String),
    IdNotFound(String),
    Overflow,
    UnknownType,
}

impl std::error::Error for Error {}

impl Display for Error {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{:?}", self)
    }
}

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

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

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