use serde::{ser::SerializeStruct, Serialize, Serializer};

use super::{User, Username};

pub fn deserialize_id<'de, D>(deserializer: D) -> Result<u64, D::Error>
where
    D: serde::Deserializer<'de>,
{
    let id_str: &str = serde::Deserialize::deserialize(deserializer)?;
    id_str.parse().map_err(serde::de::Error::custom)
}

pub fn deserialize_discriminator<'de, D>(deserializer: D) -> Result<u16, D::Error>
where
    D: serde::Deserializer<'de>,
{
    let id_str: &str = serde::Deserialize::deserialize(deserializer)?;
    id_str.parse().map_err(serde::de::Error::custom)
}

impl Serialize for User {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        let mut state = serializer.serialize_struct("User", 6)?;
        state.serialize_field("id", &self.id)?;
        state.serialize_field("name", &self.name)?;
        state.serialize_field("discriminator", &self.discriminator)?;
        state.serialize_field("avatar", &self.avatar())?;
        state.serialize_field("deleted", &self.deleted)?;
        state.serialize_field("username", &self.username())?;
        state.end()
    }
}