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

//// src/main/kotlin/ui/MarketSection.kt
//package ui
//
//import androidx.compose.foundation.layout.*
//import androidx.compose.foundation.lazy.LazyColumn
//import androidx.compose.foundation.lazy.items
//import androidx.compose.material.*
//import androidx.compose.material.TabRowDefaults.tabIndicatorOffset
//import androidx.compose.runtime.*
//import androidx.compose.ui.Alignment
//import androidx.compose.ui.Modifier
//import androidx.compose.ui.graphics.Color
//import androidx.compose.ui.text.font.FontWeight
//import androidx.compose.ui.unit.dp
//import androidx.compose.ui.unit.sp
//import model.RankingStock
//import model.RankingType
//import network.KisTradeService
//
//@Composable
//fun MarketSection(
//    tradeService: KisTradeService,
//    onStockSelect: (code: String, name: String, isDomestic: Boolean) -> Unit
//) {
//    var selectedTab by remember { mutableStateOf(RankingType.VOLUME) }
//    var isDomestic by remember { mutableStateOf(true) }
//    var rankingList by remember { mutableStateOf<List<RankingStock>>(emptyList()) }
//    var isLoading by remember { mutableStateOf(false) }
//
//    // 탭 또는 국가 변경 시 데이터 로드
//    LaunchedEffect(selectedTab, isDomestic) {
//        isLoading = true
//        tradeService.fetchMarketRanking(selectedTab, isDomestic).onSuccess {
//            rankingList = it
//        }.onFailure {
//            rankingList = emptyList()
//        }
//        isLoading = false
//    }
//
//    Column(modifier = Modifier.fillMaxSize()) {
//        // [1] 상단 타이틀 및 국내/해외 토글
//        Row(
//            modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
//            verticalAlignment = Alignment.CenterVertically,
//            horizontalArrangement = Arrangement.SpaceBetween
//        ) {
//            Text("시장 랭킹 (TOP 20)", style = MaterialTheme.typography.subtitle1, fontWeight = FontWeight.Bold)
//
//            // 국내/해외 전환 스위치 방식
//            Row(verticalAlignment = Alignment.CenterVertically) {
//                Text(if (isDomestic) "국내" else "해외", fontSize = 12.sp, fontWeight = FontWeight.Medium)
//                Switch(
//                    checked = !isDomestic,
//                    onCheckedChange = { isDomestic = !it },
//                    colors = SwitchDefaults.colors(checkedThumbColor = Color(0xFF0E62CF))
//                )
//            }
//        }
//
//        // [2] 랭킹 타입 탭 (상승, 하락, 거래량 등)
//        ScrollableTabRow(
//            selectedTabIndex = selectedTab.ordinal,
//            backgroundColor = Color.Transparent,
//            contentColor = Color.Black,
//            edgePadding = 0.dp,
//            indicator = { tabPositions ->
//                TabRowDefaults.Indicator(
//                    Modifier.tabIndicatorOffset(tabPositions[selectedTab.ordinal]),
//                    color = Color(0xFFE03E2D)
//                )
//            }
//        ) {
//            RankingType.values().forEach { type ->
//                Tab(
//                    selected = selectedTab == type,
//                    onClick = { selectedTab = type },
//                    text = { Text(type.title, fontSize = 12.sp) }
//                )
//            }
//        }
//
//        Spacer(modifier = Modifier.height(8.dp))
//
//        // [3] 랭킹 리스트
//        if (isLoading) {
//            Box(Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
//                CircularProgressIndicator(strokeWidth = 2.dp)
//            }
//        } else {
//            LazyColumn(modifier = Modifier.fillMaxSize()) {
//                items(rankingList.withIndex().toList()) { (index, stock) ->
//                    MarketStockItemRow(index + 1, stock) {
//                        onStockSelect(stock.code, stock.name, isDomestic)
//                    }
//                    Divider(color = Color(0xFFF5F5F5), thickness = 0.5.dp)
//                }
//            }
//        }
//    }
//}