use actix_web::{get, HttpResponse, post, web};

use crate::models::order::*;
use crate::utils::api_error::ApiError;
use serde::{Deserialize, Serialize};

/// Model for user input for an __Order__ item
#[derive(Serialize, Deserialize, Debug)]
pub struct InputOrderDetail {
    pub productid: i32,
    pub quantity: i32,
}

/// Model for user input for an __Order__
#[derive(Serialize, Deserialize, Debug)]
pub struct InputOrder {
    pub email: String,
    pub line_items: Vec<InputOrderDetail>
}

#[get("/orders")]
async fn find_all() -> core::result::Result<HttpResponse, ApiError> {
    Ok(HttpResponse::Ok().json(Order::find_all()))
}

/// Accepts JSON input in the following format:-
/// ```json
/// {
///  "email": "mail@id.com",
///  "line_items": [
///     {
///         "productid": 1,
///         "quantity": 10
///     },
///     {
///         "productid": 2,
///         "quantity": 30
///     }
///  ]
///}
/// ```
#[post("/orders")]
async fn insert_order(order: web::Json<InputOrder>) -> core::result::Result<HttpResponse, ApiError> {
    Ok(HttpResponse::Ok().json(Order::insert(order.into_inner())))
}

pub fn routes(cfg: &mut web::ServiceConfig) {
    cfg.service(find_all);
    cfg.service(insert_order);
}