atrade/src/main/kotlin/ui/DashboardScreen.kt

// src/main/kotlin/ui/DashboardScreen.kt
package ui

import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.material.*
import androidx.compose.runtime.*
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.unit.dp
import model.KisSession
import network.KisTradeService
import network.KisWebSocketManager

@Composable
fun DashboardScreen() {
    val tradeService = remember { KisTradeService() }
    val wsManager = remember { KisWebSocketManager() }

    // 전역 상태: 현재 선택된 종목 정보
    var selectedStockCode by remember { mutableStateOf("") }
    var selectedStockName by remember { mutableStateOf("") }
    var isDomestic by remember { mutableStateOf(true) }

    // 초기 웹소켓 연결
    LaunchedEffect(Unit) {
        wsManager.connect()
    }

    Row(modifier = Modifier.fillMaxSize().background(Color(0xFFF2F2F2))) {
        // [좌측 25%] 내 자산 및 통합 잔고
        Column(modifier = Modifier.weight(0.25f).fillMaxHeight().padding(8.dp)) {
            BalanceSection(tradeService) { code, name, isDom ->
                selectedStockCode = code
                selectedStockName = name
                isDomestic = isDom
                println("selectedStockCode $selectedStockCode selectedStockName $selectedStockName isDomestic $isDomestic")
            }
        }

        VerticalDivider()

        // [중앙 45%] 실시간 정보 및 주문
        Column(modifier = Modifier.weight(0.45f).fillMaxHeight().background(Color.White)) {
            if (selectedStockCode.isNotEmpty()) {
                StockDetailSection(
                    stockCode = selectedStockCode,
                    stockName = selectedStockName,
                    isDomestic = isDomestic,
                    tradeService = tradeService,
                    wsManager = wsManager
                )
            } else {
                Box(Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
                    Text("분석할 종목을 선택하세요", color = Color.Gray)
                }
            }
        }

        VerticalDivider()

        // [우측 30%] 시장 추천 TOP 20 (실전 데이터)
        Column(modifier = Modifier.weight(0.3f).fillMaxHeight().padding(8.dp)) {
            MarketSection(tradeService) { code, name, isDom ->
                selectedStockCode = code
                selectedStockName = name
                isDomestic = isDom
                println("selectedStockCode $selectedStockCode selectedStockName $selectedStockName isDomestic $isDomestic")
            }
        }
    }
}

@Composable
fun VerticalDivider() {
    Box(Modifier.fillMaxHeight().width(1.dp).background(Color.LightGray))
}