package cc.unitmesh.devins.ui.desktop

import androidx.compose.foundation.layout.*
import androidx.compose.foundation.window.WindowDraggableArea
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.dp
import androidx.compose.ui.window.FrameWindowScope

/**
 * Desktop Window Layout
 *
 * 标准的桌面应用窗口布局，包含：
 * - 自定义标题栏（可拖拽）
 * - 窗口控制按钮（最小化、最大化、关闭）
 * - 圆角边框
 * - 主内容区域
 *
 * 注意：需要配合 Window(undecorated = true) 使用
 */
@Composable
fun FrameWindowScope.DesktopWindowLayout(
    onMinimize: () -> Unit = {},
    onMaximize: () -> Unit = {},
    onClose: () -> Unit = {},
    titleBarContent: @Composable RowScope.() -> Unit = {},
    content: @Composable () -> Unit
) {
    Surface(modifier = Modifier.fillMaxSize()) {
        Column(modifier = Modifier.fillMaxSize()) {
            WindowDraggableArea {
                TitleBar(
                    onMinimize = onMinimize,
                    onMaximize = onMaximize,
                    onClose = onClose,
                    content = titleBarContent
                )
            }

            content()
        }
    }
}

@Composable
private fun TitleBar(
    onMinimize: () -> Unit,
    onMaximize: () -> Unit,
    onClose: () -> Unit,
    content: @Composable RowScope.() -> Unit
) {
    Surface(
        modifier = Modifier.fillMaxWidth().height(32.dp),
        color = MaterialTheme.colorScheme.surface,
        tonalElevation = 1.dp
    ) {
        Row(
            modifier = Modifier
                .fillMaxSize()
                .padding(horizontal = 8.dp),
            verticalAlignment = Alignment.CenterVertically
        ) {
            WindowControls(
                onMinimize = onMinimize,
                onMaximize = onMaximize,
                onClose = onClose
            )

            Spacer(modifier = Modifier.width(12.dp))

            content()
        }
    }
}