// Copyright © 2021 The Radicle Link Contributors
//
// This file is part of radicle-link, distributed under the GPLv3 with Radicle
// Linking Exception. For full terms see the included LICENSE file.

use std::convert::TryFrom;

use ::serde::{de, Deserialize, Deserializer, Serialize, Serializer};

use crate::{
    refspec::{PatternStr, PatternString},
    Namespaced,
    Qualified,
    RefStr,
    RefString,
};

impl<'de: 'a, 'a> Deserialize<'de> for &'a RefStr {
    #[inline]
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer)
            .and_then(|s: &str| Self::try_from(s).map_err(de::Error::custom))
    }
}

impl<'a> Serialize for &'a RefStr {
    #[inline]
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de> Deserialize<'de> for RefString {
    #[inline]
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer).map(|x: &RefStr| x.to_owned())
    }
}

impl Serialize for RefString {
    #[inline]
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de: 'a, 'a> Deserialize<'de> for &'a PatternStr {
    #[inline]
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer)
            .and_then(|s: &str| Self::try_from(s).map_err(de::Error::custom))
    }
}

impl<'a> Serialize for &'a PatternStr {
    #[inline]
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de> Deserialize<'de> for PatternString {
    #[inline]
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer).map(|x: &PatternStr| x.to_owned())
    }
}

impl Serialize for PatternString {
    #[inline]
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de: 'a, 'a> Deserialize<'de> for Qualified<'a> {
    #[inline]
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer).and_then(|s: &RefStr| {
            s.qualified()
                .ok_or_else(|| de::Error::custom("not a qualified ref"))
        })
    }
}

impl Serialize for Qualified<'_> {
    #[inline]
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.as_str())
    }
}

impl<'de: 'a, 'a> Deserialize<'de> for Namespaced<'a> {
    #[inline]
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        Deserialize::deserialize(deserializer).and_then(|s: &RefStr| {
            s.namespaced()
                .ok_or_else(|| de::Error::custom("not a namespaced ref"))
        })
    }
}

impl Serialize for Namespaced<'_> {
    #[inline]
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(self.as_str())
    }
}