use heed3::RoTxn;
use get_routes::handler;
use helix_db::{field_remapping, identifier_remapping, traversal_remapping, exclude_field, value_remapping};
use helix_db::helix_engine::vector_core::vector::HVector;
use helix_db::{
    helix_engine::graph_core::ops::{
        g::G,
        in_::{in_::InAdapter, in_e::InEdgesAdapter, to_n::ToNAdapter, to_v::ToVAdapter},
        out::{from_n::FromNAdapter, from_v::FromVAdapter, out::OutAdapter, out_e::OutEdgesAdapter},
        source::{
            add_e::{AddEAdapter, EdgeType},
            add_n::AddNAdapter,
            e_from_id::EFromIdAdapter,
            e_from_type::EFromTypeAdapter,
            n_from_id::NFromIdAdapter,
            n_from_type::NFromTypeAdapter,
            n_from_index::NFromIndexAdapter,
        },
        tr_val::{Traversable, TraversalVal},
        util::{
            dedup::DedupAdapter, filter_mut::FilterMut,
            filter_ref::FilterRefAdapter, range::RangeAdapter, update::UpdateAdapter,
            map::MapAdapter, paths::ShortestPathAdapter, props::PropsAdapter, drop::Drop,
        },
        vectors::{insert::InsertVAdapter, search::SearchVAdapter, brute_force_search::BruteForceSearchVAdapter},
        bm25::search_bm25::SearchBM25Adapter,

    },
    helix_engine::types::GraphError,
    helix_gateway::router::router::HandlerInput,
    node_matches, props,
    protocol::count::Count,
    protocol::remapping::{RemappingMap, ResponseRemapping},
    protocol::response::Response,
    protocol::{
        filterable::Filterable, remapping::Remapping, return_values::ReturnValue, value::Value, id::ID,
    },
};
use sonic_rs::{Deserialize, Serialize};
use std::collections::{HashMap, HashSet};
use std::sync::Arc;
use std::time::Instant;
use std::cell::RefCell;
use chrono::{DateTime, Utc};
    
pub struct User {
    pub name: String,
    pub age: i64,
    pub email: String,
}



#[derive(Serialize, Deserialize)]
pub struct updateUserInput {

pub id: ID,
pub name: String
}
#[handler]
pub fn updateUser (input: &HandlerInput, response: &mut Response) -> Result<(), GraphError> {
let data: updateUserInput = match sonic_rs::from_slice(&input.request.body) {
    Ok(data) => data,
    Err(err) => return Err(GraphError::from(err)),
};

let mut remapping_vals = RemappingMap::new();
let db = Arc::clone(&input.graph.storage);
let mut txn = db.graph_env.write_txn().unwrap();
    let u = {let update_tr = G::new(Arc::clone(&db), &txn)
.n_from_id(&data.id)
    .collect_to::<Vec<_>>();G::new_mut_from(Arc::clone(&db), &mut txn, update_tr)
    .update(Some(props! { "name" => &data.name }))
    .collect_to::<Vec<_>>()};
let mut return_vals: HashMap<String, ReturnValue> = HashMap::new();
        return_vals.insert("success".to_string(), ReturnValue::from(Value::from("success")));

    txn.commit().unwrap();
    response.body = sonic_rs::to_vec(&return_vals).unwrap();
    Ok(())
}

#[derive(Serialize, Deserialize)]
pub struct addUserInput {

pub name: String,
pub age: i64,
pub email: String
}
#[handler]
pub fn addUser (input: &HandlerInput, response: &mut Response) -> Result<(), GraphError> {
let data: addUserInput = match sonic_rs::from_slice(&input.request.body) {
    Ok(data) => data,
    Err(err) => return Err(GraphError::from(err)),
};

let mut remapping_vals = RemappingMap::new();
let db = Arc::clone(&input.graph.storage);
let mut txn = db.graph_env.write_txn().unwrap();
    let user = G::new_mut(Arc::clone(&db), &mut txn)
.add_n("User", Some(props! { "age" => data.age.clone(), "email" => data.email.clone(), "name" => data.name.clone() }), None).collect_to::<Vec<_>>();
let mut return_vals: HashMap<String, ReturnValue> = HashMap::new();
        return_vals.insert("user".to_string(), ReturnValue::from_traversal_value_array_with_mixin(user.clone(), remapping_vals.borrow_mut()));

    txn.commit().unwrap();
    response.body = sonic_rs::to_vec(&return_vals).unwrap();
    Ok(())
}

#[derive(Serialize, Deserialize)]
pub struct getUserInput {

pub id: ID
}
#[handler]
pub fn getUser (input: &HandlerInput, response: &mut Response) -> Result<(), GraphError> {
let data: getUserInput = match sonic_rs::from_slice(&input.request.body) {
    Ok(data) => data,
    Err(err) => return Err(GraphError::from(err)),
};

let mut remapping_vals = RemappingMap::new();
let db = Arc::clone(&input.graph.storage);
let txn = db.graph_env.read_txn().unwrap();
    let u = G::new(Arc::clone(&db), &txn)
.n_from_id(&data.id).collect_to::<Vec<_>>();
let mut return_vals: HashMap<String, ReturnValue> = HashMap::new();
        return_vals.insert("u".to_string(), ReturnValue::from_traversal_value_array_with_mixin(u.clone(), remapping_vals.borrow_mut()));

    txn.commit().unwrap();
    response.body = sonic_rs::to_vec(&return_vals).unwrap();
    Ok(())
}