use schemars::JsonSchema;
use serde::{Deserialize, Deserializer, Serialize};

use crate::base_dir;

#[derive(Debug, Deserialize, JsonSchema)]
#[serde(rename_all = "camelCase", untagged)]
enum SecretHelper {
    String(String),
    File { file: String },
}

pub(crate) fn deserialize_secret<'de, D>(deserializer: D) -> Result<String, D::Error>
where
    D: Deserializer<'de>,
{
    let secret: SecretHelper = Deserialize::deserialize(deserializer)?;
    let value = match secret {
        SecretHelper::String(value) => value,
        SecretHelper::File { file } => {
            let path = base_dir().join("secrets").join(file);
            std::fs::read_to_string(path).unwrap().trim().to_owned()
        }
    };

    Ok(value)
}

#[derive(Debug, Serialize, Deserialize, JsonSchema, Clone, PartialEq, Eq)]
pub(crate) struct Secret(
    #[serde(deserialize_with = "deserialize_secret")]
    #[schemars(with = "SecretHelper")]
    String,
);