use actix_web::{error, Error, HttpRequest, HttpResponse, HttpResponseBuilder};
use serde::ser::SerializeStruct;
use serde::{Serialize, Serializer};
use serde_json::json;

pub mod v1;

enum EmgauwaJsonPayLoadError {
	Error(error::JsonPayloadError),
}

impl Serialize for EmgauwaJsonPayLoadError {
	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
	where
		S: Serializer,
	{
		let mut s = serializer.serialize_struct("error", 3)?;
		s.serialize_field("type", "json-payload-error")?;
		s.serialize_field("code", &400)?;
		s.serialize_field(
			"description",
			&match self {
				EmgauwaJsonPayLoadError::Error(err) => format!("{}", err),
			},
		)?;
		s.end()
	}
}

pub fn json_error_handler(err: error::JsonPayloadError, _: &HttpRequest) -> Error {
	error::InternalError::from_response(
		"",
		HttpResponse::BadRequest()
			.content_type("application/json")
			.json(EmgauwaJsonPayLoadError::Error(err)),
	)
	.into()
}

pub trait EmgauwaMessage {
	fn emgauwa_message(self, message: &str) -> HttpResponse;
}
impl EmgauwaMessage for HttpResponseBuilder {
	fn emgauwa_message(mut self, message: &str) -> HttpResponse {
		self.json(json!({ "message": message }))
	}
}