// strategy.js
import logger from './logger.js';
import {OpenAI} from "openai";



const openai = new OpenAI({
    baseURL: 'https://openrouter.ai/api/v1',
    apiKey: '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',
});

export async function aiSignal(bars) {
    if (bars.length < 20) return null;
    // const time = '15분'
    const time = '1시간'
    console.log(Date.now())
    const completion = await openai.chat.completions.create({
        model: 'qwen/qwen3-235b-a22b-2507',
        messages: [
            {
                role: 'user',
                content: `
                You are a BTC/USDT 1-hour swing-trading engine.  
                    - Timeframe: 1h candles only.  
                    - Daily trade frequency target: ≥ 3 valid setups.  
                    - Risk per trade: 1 % of account or less.  
                    - Reward-to-Risk: minimum 2.0, target 2.5.  
                    - Never hold more than 1 concurrent position.  
                    - Do not add commentary outside the final JSON.  
                [INPUT]  
                    Exactly 50 recent 1-hour candles, newest last, format:  
                    [{"t":<Unix ts>,"o":<float>,"h":<float>,"l":<float>,"c":<float>,"v":<float>}, …]
                LONG  :  
                - 9-EMA > 21-EMA (both rising)  
                - RSI14 between 40 and 65 and increasing vs previous candle  
                - Close ≥ VWAP  
                - Close ≤ Swing High - ATR14×0.5 (small pullback zone)  
                
                SHORT : exact opposite of LONG.
                
                HOLD  : if neither LONG nor SHORT conditions are met.
                
                Return JSON only, no spaces after colons:  
                {"side":"LONG|SHORT|HOLD","price":<float>,"sl":<float>,"tp":<float>,"reason":"<max 200 words>"}
                
                Entry Price (limit) = current candle close ± 0.05 % toward desired direction.  
                Stop-Loss (SL)      = Entry ± ATR14 × 1.0  (beyond nearest Swing Low/High).  
                Take-Profit (TP)    = Entry ± ATR14 × 2.5  (minimum 2 R).  
                Round all prices to exchange tick size (0.1 USDT).
                
                reason 은 한국어로 대답해줘.
                
                ${JSON.stringify(bars)}  
                `,
            },
        ],
    });
    console.log(Date.now())
    const msg = completion.choices[0].message.content
    logger.info(msg);
    const sig = JSON.parse(msg)

    return sig;
}