use super::{
    dec, decimal_add, decimal_sub, decimal_div, decimal_mul, ema, exists_record, insert_pre_suggested_coins,
    limit_order_sell, rsi, select_filled_buy_orders, stoch_rsi, supertrend, try_join_all, AllData,
    Arc, Client, ClientBuilder, Decimal, EmaData, ExchangeInfo, FilteredDataValue, Mutex,
    RealtimePriceData, RoundingStrategy, RsiData, StochRsiData, SupertrendData, TradeFee, update_record3, adx, AdxData, get_server_epoch, MacdData, ema_macd,
    BollingerBandData, ToPrimitive, duplicate_filter, HashMap, HashSet, remove_keys, SuperTrendArea, SuperTrendSignal, get_current_price
};

// BUY conditions
// (1) ADX(10,10): increasing, ADX_current < 25
// (2) ADX(5,5): increasing, ADX_current < 40
// (3) RSI (5) < 75
// (4) SuperTrend(14, 2): UP Area
// stoploss: (not update) supertrend(14, 2) lowerband of UP area
// target price: (fixed) stoploss inverse x 3 times profit
pub async fn list_up_for_buy(
    alldata: &AllData,
) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
    // print rt_price for debugging
    // let a = alldata.rt_price_30m_vec.iter().position(|a| a.0 == "BTCUSDT");
    // println!("BTCUSDT: {:?}", alldata.rt_price_30m_vec[a.unwrap()].1.last().unwrap());

    // basic filtering: filtering valid trade pair
    let mut filtered_data: HashMap<String, FilteredDataValue> = HashMap::new();
    for symbol in &alldata.valid_symbol_vec {
        filtered_data.insert(symbol.clone(), FilteredDataValue::new());
    }

    // 1st filtering: the 2 previous ADX(10, 10)s increase, ADX < 25
    let mut keys_to_remove: HashSet<String> = HashSet::new();
    let adx_vec = adx(10, 10, &alldata.rt_price_1d_vec, &filtered_data).await?;
    for (symbol, values) in &mut filtered_data {
        if let Some(adx_vec) = adx_vec.get(symbol) {
            if let Some(last_idx) = adx_vec.iter().position(|elem| elem.close_time == values.closetime) {
                if 
                adx_vec[last_idx].adx > adx_vec[last_idx-1].adx &&
                adx_vec[last_idx-1].adx > adx_vec[last_idx-2].adx && 
                adx_vec[last_idx].adx < 25.0 {
                } else {
                    keys_to_remove.insert(symbol.clone());
                }
            } else {
                keys_to_remove.insert(symbol.clone());
            }
        } else {
            keys_to_remove.insert(symbol.clone());
        } 
    }
    remove_keys(&mut filtered_data, keys_to_remove).await;

    // 2nd filtering: the 2 previous ADX(5, 5)s increase, ADX < 40
    let mut keys_to_remove: HashSet<String> = HashSet::new();
    let adx_vec = adx(10, 10, &alldata.rt_price_1d_vec, &filtered_data).await?;
    for (symbol, values) in &mut filtered_data {
        if let Some(adx_vec) = adx_vec.get(symbol) {
            if let Some(last_idx) = adx_vec.iter().position(|elem| elem.close_time == values.closetime) {
                if 
                adx_vec[last_idx].adx > adx_vec[last_idx-1].adx &&
                adx_vec[last_idx-1].adx > adx_vec[last_idx-2].adx &&
                adx_vec[last_idx].adx < 40.0 {
                } else {
                    keys_to_remove.insert(symbol.clone());
                }
            } else {
                keys_to_remove.insert(symbol.clone());
            }
        } else {
            keys_to_remove.insert(symbol.clone());
        } 
    }
    remove_keys(&mut filtered_data, keys_to_remove).await;

    // 3rd filtering: RSI 5 < 75.0
    let mut keys_to_remove: HashSet<String> = HashSet::new();
    let rsi_map = rsi(5, &alldata.rt_price_1d_vec, &filtered_data).await?;
    for (symbol, values) in &mut filtered_data {
        if let Some(rsi_vec) = rsi_map.get(symbol) {
            if let Some(last_idx) = rsi_vec.iter().position(|elem| elem.close_time == values.closetime) {
                if rsi_vec[last_idx].rsi_value > 75.0 {
                    keys_to_remove.insert(symbol.clone());
                }
            } else {
                keys_to_remove.insert(symbol.clone());
            }
        } else {
            keys_to_remove.insert(symbol.clone());
        } 
    }
    remove_keys(&mut filtered_data, keys_to_remove).await;

    // 4th filtering: supertrend(ATR period 14, multiplier: 1.2, 1d close price)
    let mut keys_to_remove: HashSet<String> = HashSet::new();
    let server_epoch = get_server_epoch().await;
    let supertrend_1d_map = supertrend(14, 1.2, true, &alldata.rt_price_1d_vec, &filtered_data).await?;
    for (symbol, values) in &mut filtered_data {
        if let (Some(supertrend_vec), Some(rt_price_vec)) = (supertrend_1d_map.get(symbol), alldata.rt_price_1d_vec.get(symbol)) {
            if supertrend_vec.last().unwrap().close_time == rt_price_vec.last().unwrap().close_time && 
            rt_price_vec.last().unwrap().close_time > server_epoch {              
                // input stoploss, target_price
                let band_value: Decimal = rust_decimal::prelude::FromPrimitive::from_f64(supertrend_vec.last().unwrap().band_value).unwrap();
                if supertrend_vec.last().unwrap().area == SuperTrendArea::UP &&
                supertrend_vec.last().unwrap().band_value < values.current_price.to_f64().unwrap()
                {
                    values.current_price = rust_decimal::prelude::FromPrimitive::from_f64(rt_price_vec.last().unwrap().close_price).unwrap();
                    values.closetime = rt_price_vec.last().unwrap().close_time;
                    values.stoploss = band_value;
                    values.target_price = decimal_add(decimal_mul(decimal_sub(values.current_price, values.stoploss), dec!(3.0)), values.current_price);
                } else {
                    keys_to_remove.insert(symbol.clone());
                }
            } else {
                keys_to_remove.insert(symbol.clone());
            }
        } else {
            keys_to_remove.insert(symbol.clone());
        }
    }
    remove_keys(&mut filtered_data, keys_to_remove).await;  

    // limit buy price: 3 * abs(이전 3 개 중 최대값 제거 한 opclo 값 평균 - 현재 open 값) + 현재 open 값 > current_price
    let mut keys_to_remove: HashSet<String> = HashSet::new();
    let server_epoch = get_server_epoch().await;
    for (symbol, values) in &mut filtered_data {
        if let Some(rt_price_vec) = alldata.rt_price_1d_vec.get(symbol) {
            if rt_price_vec.last().unwrap().close_time > server_epoch && rt_price_vec.len() >= 6 {              
                let mut opclo_vec: Vec<f64> = Vec::new();
                opclo_vec.push(rt_price_vec[rt_price_vec.len()-2].opclo_price);
                opclo_vec.push(rt_price_vec[rt_price_vec.len()-3].opclo_price);
                opclo_vec.push(rt_price_vec[rt_price_vec.len()-4].opclo_price);
                opclo_vec.push(rt_price_vec[rt_price_vec.len()-5].opclo_price);
                opclo_vec.push(rt_price_vec[rt_price_vec.len()-6].opclo_price);
                let max_idx = opclo_vec.iter().position(|&x| x == *opclo_vec.iter().max_by(|&a, &b| a.partial_cmp(b).unwrap()).unwrap());
                opclo_vec.remove(max_idx.unwrap());

                let mut mean = 0.0;
                for element in &opclo_vec {
                    mean += element;
                }
                mean /= opclo_vec.len() as f64;
                let current_price = rt_price_vec.last().unwrap().close_price;
                let difference = (mean - rt_price_vec.last().unwrap().open_price).abs();

                if current_price < rt_price_vec.last().unwrap().open_price + (3.0 * difference) {
                } else {
                    keys_to_remove.insert(symbol.clone());
                }
            } else {
                keys_to_remove.insert(symbol.clone());
            }
        } else {
            keys_to_remove.insert(symbol.clone());
        }
    }
    remove_keys(&mut filtered_data, keys_to_remove).await;  

    let final_filtered_data = duplicate_filter(7, &filtered_data).await?;
    insert_pre_suggested_coins(7, false, &final_filtered_data, &alldata).await;

    Ok(())
}

// (1) 15일 까지 지켜봄
// (2) 7일 까지는 target_price 까지 기다림
// (3) 8~15 까지는 target_price가 이루려는 profit percent의 절반 될 때까지 선형으로 줄어듦
pub async fn list_up_for_sell(
    all_data: &AllData,
    exchange_info_map: &HashMap<String, ExchangeInfo>,
    trade_fee_map: &HashMap<String, TradeFee>,
) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
    let filled_buy_orders = select_filled_buy_orders(7).await?;

    if !filled_buy_orders.is_empty() {
        let client = ClientBuilder::new()
            .timeout(tokio::time::Duration::from_millis(5000))
            .build()
            .unwrap();
        let mut supertrend_vec: Vec<SupertrendData> = Vec::new();
        let server_epoch = get_server_epoch().await;
        let mut filtered_symbols: HashMap<String, FilteredDataValue> = HashMap::new();
        for element in &filled_buy_orders {
            filtered_symbols.insert(element.symbol.clone(), FilteredDataValue::new());
        }
        let supertrend_1d = supertrend(14, 1.2, true, &all_data.rt_price_1d_vec, &filtered_symbols).await?;
        for element in filled_buy_orders {
            let mut is_sell = false;
            

            if element.used_usdt >= dec!(10.0) {
                if let (Some(exchange_info), Some(tradefee), Some(supertrend_vec)) = 
                (exchange_info_map.get(&element.symbol), trade_fee_map.get(&element.symbol), supertrend_1d.get(&element.symbol)) {
                    // update stoploss
                    let band_value: Decimal = rust_decimal::prelude::FromPrimitive::from_f64(supertrend_vec.last().unwrap().band_value).unwrap();
                    if supertrend_vec.last().unwrap().area == SuperTrendArea::UP
                        &&  band_value > element.stoploss {
                            let update_table_name = String::from("buy_ordered_coin_list");
                            let update_value = vec![
                                (String::from("stoploss"), band_value.to_string()),
                            ];
                            let update_condition = vec![(String::from("id"), element.id.to_string())];
                            update_record3(&update_table_name, &update_value, &update_condition)
                                .await
                                .unwrap();
                        }

                    let lot_step_size = exchange_info.stepsize;
                    let quote_commission_precision = exchange_info.quote_commission_precision;
                    let base_qty_to_be_ordered =
                        element.base_qty_ordered.round_dp_with_strategy(
                            lot_step_size.normalize().scale(),
                            RoundingStrategy::ToZero,
                        );
                    let target_profit_percent = decimal_div(decimal_sub(element.stoploss, element.buy_price), element.buy_price).to_f64().unwrap();
                    if (element.is_long == 0 || element.is_long == 1)
                        && !element.current_price.is_zero()
                    {
                        if element.current_price <= element.stoploss {
                            is_sell = true;
                        } else if element.current_price >= element.target_price {
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 8 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (13.0/14.0) <= element.pure_profit_percent) { 
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 9 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (12.0/14.0) <= element.pure_profit_percent) { 
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 10 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (11.0/14.0) <= element.pure_profit_percent) {
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 11 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (10.0/14.0) <= element.pure_profit_percent) { 
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 12 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (9.0/14.0) <= element.pure_profit_percent) { 
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 13 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (8.0/14.0) <= element.pure_profit_percent) { 
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 14 && 
                        (target_profit_percent != 0.0 && target_profit_percent.is_sign_positive() && target_profit_percent * (1.0/2.0) <= element.pure_profit_percent) { // scaled selling with time up selling (6 days){ 
                            is_sell = true;
                        } else if server_epoch - element.transact_time > (86_400_000) * 15 { // time up selling 
                            is_sell = true;
                        }
                        // TODO: sell_count가 1일 때 적용하기
                        // else if (supertrend_vec  
                        //     .last()
                        //     .unwrap()
                        //     .signal
                        //     .as_ref()
                        //     .is_some_and(|x| x.contains("SELL"))
                        //     || supertrend_vec.last().unwrap().area.contains("DOWN"))
                        //     && (supertrend_vec.last().unwrap().close_time > element.close_time)
                        // {
                        //     println!(
                        //         "SELL signal selling {} {:.2}",
                        //         element.symbol, element.pure_profit_percent
                        //     );
                        //     limit_order_sell(
                        //         &element,
                        //         element.current_price,
                        //         base_qty_to_be_ordered,
                        //         &client,
                        //         &exchange_info_vec,
                        //         &trade_fee_vec,
                        //     )
                        //     .await;
                        // }
                        if is_sell == true {
                            limit_order_sell(
                                &element,
                                element.current_price,
                                base_qty_to_be_ordered,
                                &client,
                                &exchange_info_map,
                                &trade_fee_map,
                            )
                            .await;
                        }
                    }
                }
            }
        }
    }

    Ok(())
}