//// src/main/kotlin/ui/PeriodTrendCard.kt (신규/통합)
//package ui
//
//import androidx.compose.foundation.Canvas
//import androidx.compose.foundation.layout.*
//import androidx.compose.material.*
//import androidx.compose.runtime.Composable
//import androidx.compose.ui.Alignment
//import androidx.compose.ui.Modifier
//import androidx.compose.ui.geometry.Offset
//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.CandleData
//
//@Composable
//fun PeriodTrendCard(label: String, data: List<CandleData>, modifier: Modifier = Modifier) {
//    val avgPrice = if (data.isEmpty()) "0"
//    else String.format("%,d", data.map { it.stck_prpr.toDoubleOrNull() ?: 0.0 }.average().toLong())
//
//    Card(modifier = modifier.height(80.dp), elevation = 2.dp, backgroundColor = Color.White) {
//        Row(modifier = Modifier.padding(8.dp), verticalAlignment = Alignment.CenterVertically) {
//            // [좌측] 라벨 및 평균가
//            Column(modifier = Modifier.weight(0.4f)) {
//                Text(label, fontSize = 10.sp, color = Color.Gray)
//                Text(text = "${avgPrice}원", fontSize = 12.sp, fontWeight = FontWeight.Bold)
//            }
//
//            // [우측] 간소화된 그래프 (Sparkline)
//            Box(modifier = Modifier.weight(0.6f).fillMaxHeight()) {
//                if (data.isNotEmpty()) {
//                    Canvas(modifier = Modifier.fillMaxSize()) {
//                        val prices = data.map { it.stck_prpr.toDoubleOrNull() ?: 0.0 }
//                        val max = prices.maxOrNull() ?: 1.0
//                        val min = prices.minOrNull() ?: 0.0
//                        val range = if (max == min) 1.0 else max - min
//
//                        val stepX = size.width / (prices.size - 1).coerceAtLeast(1)
//                        val points = prices.mapIndexed { i, p ->
//                            Offset(i * stepX, (size.height - ((p - min) / range * size.height)).toFloat())
//                        }
//
//                        for (i in 0 until points.size - 1) {
//                            drawLine(
//                                color = if (prices.last() >= prices.first()) Color(0xFFE03E2D) else Color(0xFF0E62CF),
//                                start = points[i],
//                                end = points[i + 1],
//                                strokeWidth = 2f
//                            )
//                        }
//                    }
//                }
//            }
//        }
//    }
//}