//! Models for malie.io exports

use std::borrow::Cow;
use std::collections::HashMap;
use std::str::FromStr;

use serde::{Deserialize, de};

use crate::editions::EditionCode;

pub type Index = HashMap<Lang, HashMap<String, Edition>>;

#[derive(Debug, Deserialize, Eq, PartialEq, Hash)]
pub enum Lang {
    #[serde(rename = "de-DE")]
    De,
    #[serde(rename = "en-US")]
    En,
    #[serde(rename = "es-ES")]
    Es,
    #[serde(rename = "es-419")]
    EsLa,
    #[serde(rename = "it-IT")]
    It,
    #[serde(rename = "fr-FR")]
    Fr,
    #[serde(rename = "pt-BR")]
    Pt,
}

#[derive(Debug, Deserialize)]
pub struct Edition {
    path: String,
    #[serde(deserialize_with = "deserialize_edition_code")]
    abbr: Option<EditionCode>,
}

fn deserialize_edition_code<'de, D>(deserializer: D) -> Result<Option<EditionCode>, D::Error>
where
    D: de::Deserializer<'de>,
{
    let buf = Cow::<'de, str>::deserialize(deserializer)?;

    if buf.is_empty() {
        return Ok(None);
    }

    let buf = if buf.to_uppercase() == "PR-SV" {
        "SVP".into()
    } else {
        buf
    };

    Ok(EditionCode::from_str(&buf).ok())
}