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use std::{env};
use reqwest::{Client};

use crate::Supabase;

impl Supabase {
    // Creates a new Supabase client. If no parameters are provided, it will attempt to read the
    // environment variables `SUPABASE_URL`, `SUPABASE_API_KEY`, and `SUPABASE_JWT_SECRET`.
    pub fn new(url: Option<&str>, api_key: Option<&str>, jwt: Option<&str>) -> Self {
        let client: Client = Client::new();
        let url: String = url
            .map(String::from)
            .unwrap_or_else(|| env::var("SUPABASE_URL").unwrap_or_else(|_| String::new()));
        let api_key: String = api_key
            .map(String::from)
            .unwrap_or_else(|| env::var("SUPABASE_API_KEY").unwrap_or_else(|_| String::new()));
        let jwt: String = jwt
            .map(String::from)
            .unwrap_or_else(|| env::var("SUPABASE_JWT_SECRET").unwrap_or_else(|_| String::new()));

        Supabase {
            client,
            url: url.to_string(),
            api_key: api_key.to_string(),
            jwt: jwt.to_string(),
            bearer_token: None,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_client() {
        let client: Supabase = Supabase::new(None, None, None);
        let url = client.url.clone();
        assert!(client.url == url);
    }
}