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// Copyright (C) 2017 Hove and/or its affiliates.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU Affero General Public License as published by the
// Free Software Foundation, version 3.

// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
// details.

// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>
//! Some utilities for serialize / deserialize transit model objects.

use serde::{Deserialize, Deserializer, Serializer};
use wkt::ToWkt;

/// serialize geometry to wkt
pub fn ser_geometry<S>(geometry: &geo::Geometry<f64>, serializer: S) -> Result<S::Ok, S::Error>
where
    S: serde::Serializer,
{
    let wkt = geometry.to_wkt();
    serializer.serialize_str(&wkt.to_string())
}

///deserialize wkt from String
pub fn de_wkt<'de, D>(deserializer: D) -> Result<geo::Geometry<f64>, D::Error>
where
    D: serde::Deserializer<'de>,
{
    use std::str::FromStr;
    let s = String::deserialize(deserializer)?;
    let wkt = wkt::Wkt::from_str(&s).map_err(serde::de::Error::custom)?;
    use std::convert::TryInto;
    wkt.try_into().map_err(serde::de::Error::custom)
}

/// serialize variable from bool
#[allow(clippy::trivially_copy_pass_by_ref)]
pub fn ser_from_bool<S>(v: &bool, serializer: S) -> std::result::Result<S::Ok, S::Error>
where
    S: Serializer,
{
    serializer.serialize_u8(*v as u8)
}

/// serialize variable from u8
pub fn de_from_u8<'de, D>(deserializer: D) -> std::result::Result<bool, D::Error>
where
    D: Deserializer<'de>,
{
    let i = u8::deserialize(deserializer)?;
    Ok(i != 0)
}