rullst-connect 7.0.2

use crate::client::HttpClientExt;
use crate::provider::Provider;
use crate::user::ConnectUser;
use async_trait::async_trait;
use serde_json::Value;

crate::define_provider!(SpotifyProvider, "user-read-private", "user-read-email");

#[async_trait]
impl Provider for SpotifyProvider {
    fn redirect_url(&self) -> String {
        let mut params = crate::provider::build_oauth_params(
            &self.client_id,
            &self.redirect_url,
            &self.scopes,
            self.state.as_deref(),
            self.pkce_challenge.as_deref(),
        );
        params.append_pair("response_type", "code");
        format!("https://accounts.spotify.com/authorize?{}", params.finish())
    }

    async fn get_user(&self, auth_code: &str) -> Result<ConnectUser, crate::error::ConnectError> {
        let token_res = self
            .http_client
            .post(self.token_url())
            .basic_auth(&self.client_id, Some(&self.client_secret))
            .form(&[
                ("code", auth_code),
                ("grant_type", "authorization_code"),
                ("redirect_uri", self.redirect_url.as_str()),
            ])
            .send()
            .await?
            .error_for_status()?
            .json::<Value>()
            .await?;

        let access_token = token_res["access_token"].as_str().ok_or_else(|| {
            crate::error::ConnectError::Token("Failed to get access_token".to_string())
        })?;

        let mut user = self.get_user_from_token(access_token).await?;
        user.refresh_token = token_res["refresh_token"].as_str().map(String::from);
        user.expires_in = token_res["expires_in"]
            .as_u64()
            .or_else(|| token_res["expires_in"].as_i64().map(|v| v as u64));
        Ok(user)
    }

    async fn get_user_from_token(
        &self,
        access_token: &str,
    ) -> Result<ConnectUser, crate::error::ConnectError> {
        let user_res = self
            .http_client
            .get("https://api.spotify.com/v1/me")
            .bearer_auth(access_token)
            .send()
            .await?
            .error_for_status()?
            .json::<Value>()
            .await?;

        let avatar_url = user_res["images"]
            .as_array()
            .and_then(|images| images.first())
            .and_then(|img| img["url"].as_str())
            .map(String::from);

        Ok(ConnectUser {
            id: user_res["id"].as_str().map(String::from).ok_or_else(|| {
                crate::error::ConnectError::Provider("Missing user id".to_string())
            })?,
            name: user_res["display_name"]
                .as_str()
                .map(String::from)
                .unwrap_or_default(),
            email: user_res["email"].as_str().map(String::from),
            avatar_url,
            email_verified: None,
            raw_data: user_res,
            access_token: access_token.to_string(),
            refresh_token: None,
            expires_in: None,
        })
    }

    fn token_url(&self) -> String {
        "https://accounts.spotify.com/api/token".to_string()
    }

    async fn refresh_token(
        &self,
        refresh_token: &str,
    ) -> Result<crate::user::ConnectUser, crate::error::ConnectError> {
        let token = crate::provider::fetch_refresh_token(
            self.http_client.as_ref(),
            &self.token_url(),
            &self.client_id,
            &self.client_secret,
            refresh_token,
        )
        .await?;

        let mut user = self.get_user_from_token(&token.access_token).await?;
        user.refresh_token = token.refresh_token;
        user.expires_in = token.expires_in;
        Ok(user)
    }
}