use std::future::Future;
use std::pin::Pin;

use actix_web::dev::Payload;
use actix_web::{FromRequest, HttpRequest};
use serde::Deserialize;
use utoipa::IntoParams;

use crate::errors::ApiError;

#[derive(Debug, Clone, Deserialize, IntoParams)]
pub struct PullPath {
    pub space_name: String,
    pub repo_name: String,
    /// PR 编号（`12`）或 UUID。
    pub pull_ref: String,
}

impl FromRequest for PullPath {
    type Error = ApiError;
    type Future = Pin<Box<dyn Future<Output = Result<Self, Self::Error>>>>;

    fn from_request(request: &HttpRequest, _payload: &mut Payload) -> Self::Future {
        let request = request.clone();
        Box::pin(async move {
            actix_web::web::Path::<PullPath>::from_request(&request, &mut Payload::None)
                .await
                .map(|value| value.into_inner())
                .map_err(|_| ApiError::bad_request("invalid request path"))
        })
    }
}