reddit-rs 0.1.1

use std::{convert::TryFrom, fmt::Display, str::FromStr};

use radix_fmt::radix_36;
use serde::{Deserialize, Serialize, Serializer};

#[derive(Debug, Clone, PartialEq)]
pub struct FullName {
    pub(crate) ty: FullNameType,
    pub(crate) id: u64,
}

impl Display for FullName {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.write_fmt(format_args!("{}_{}", self.ty, radix_36(self.id)))
    }
}

impl<'de> Deserialize<'de> for FullName {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: serde::Deserializer<'de>,
    {
        FullName::from_str(&String::deserialize(deserializer)?).map_err(serde::de::Error::custom)
    }
}

impl FromStr for FullName {
    type Err = String;

    fn from_str(s: &str) -> Result<Self, Self::Err> {
        let (ty, id) = s
            .split_once('_')
            .ok_or_else(|| "expected an underscore in fullname".to_string())?;

        Ok(FullName {
            ty: FullNameType::from_str(ty).map_err(|value| value.to_string())?,
            id: u64::from_str_radix(id, 36).map_err(|value| value.to_string())?,
        })
    }
}

impl TryFrom<&str> for FullName {
    type Error = String;

    fn try_from(value: &str) -> Result<Self, Self::Error> {
        Self::from_str(value)
    }
}

impl Serialize for FullName {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_str(&self.to_string())
    }
}

#[derive(Debug, Copy, Clone, strum::Display, strum::EnumString, PartialEq)]
pub(crate) enum FullNameType {
    #[strum(to_string = "t1")]
    Comment,
    #[strum(to_string = "t2")]
    Account,
    #[strum(to_string = "t3")]
    Link,
    #[strum(to_string = "t4")]
    Message,
    #[strum(to_string = "t5")]
    Subreddit,
    #[strum(to_string = "t6")]
    Award,
}