lumaplayer/app/src/main/kotlin/com/example/myapplication/screens/SettingsScreen.kt

package com.example.myapplication.screens

import androidx.compose.foundation.background
import androidx.compose.foundation.border
import androidx.compose.foundation.clickable
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.PaddingValues
import androidx.compose.foundation.layout.size
import androidx.compose.foundation.layout.statusBarsPadding
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.verticalScroll
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.outlined.ChevronRight
import androidx.compose.material.icons.outlined.Folder
import androidx.compose.material.icons.outlined.Info
import androidx.compose.material.icons.outlined.Language
import androidx.compose.material.icons.outlined.PlayCircle
import androidx.compose.material3.Icon
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.compose.ui.window.Dialog
import com.example.myapplication.data.EmbyServer
import com.example.myapplication.ui.AppLanguage
import com.example.myapplication.ui.GlassButton
import com.example.myapplication.ui.GlassTokens
import com.example.myapplication.ui.LiquidGlassTopBar
import com.example.myapplication.ui.bottomBarContentPadding
import top.yukonga.miuix.kmp.basic.Text

@Composable
fun SettingsTopBar(modifier: Modifier = Modifier) {
    LiquidGlassTopBar(modifier) {
        Box(Modifier.fillMaxWidth().padding(horizontal = 18.dp, vertical = 14.dp)) {
            Text(text = "设置", color = GlassTokens.text, fontSize = 22.sp, fontWeight = FontWeight.Bold)
        }
    }
}

@Composable
fun SettingsScreen(
    servers: List<EmbyServer> = emptyList(),
    showCacheDetail: Boolean = false,
    onOpenCacheDetail: () -> Unit = {},
    onBackFromCache: () -> Unit = {},
    showAboutDetail: Boolean = false,
    onOpenAbout: () -> Unit = {},
    onBackFromAbout: () -> Unit = {},
) {
    var showLanguageDialog by remember { mutableStateOf(false) }

    Column(
        Modifier
            .fillMaxSize()
            .verticalScroll(rememberScrollState())
            .padding(start = 16.dp, end = 16.dp, top = 16.dp, bottom = bottomBarContentPadding(86.dp).calculateBottomPadding()),
        verticalArrangement = Arrangement.spacedBy(16.dp),
    ) {
        SettingSectionCard {
            SettingRowItem(
                icon = Icons.Outlined.Language,
                title = "语言",
                subtitle = AppLanguage.displayName,
                onClick = { showLanguageDialog = true }
            )
            DividerLine()
            SettingRowItem(
                icon = Icons.Outlined.PlayCircle,
                title = "播放设置",
                subtitle = "自适应比特率",
                onClick = {}
            )
        }

        SettingSectionCard {
            SettingRowItem(
                icon = Icons.Outlined.Folder,
                title = "清除缓存",
                subtitle = "管理应用缓存",
                onClick = { onOpenCacheDetail() }
            )
            DividerLine()
            SettingRowItem(
                icon = Icons.Outlined.Info,
                title = "关于",
                subtitle = "版本 1.0",
                onClick = { onOpenAbout() }
            )
        }
    }
    
    if (showLanguageDialog) {
        LanguageDialog(onDismiss = { showLanguageDialog = false })
    }
}

@Composable
private fun SettingSectionCard(content: @Composable () -> Unit) {
    Column(
        Modifier
            .fillMaxWidth()
            .clip(RoundedCornerShape(20.dp))
            .background(Color.White)
            .border(0.5.dp, Color.LightGray, RoundedCornerShape(20.dp))
            .padding(vertical = 4.dp),
    ) {
        content()
    }
}

@Composable
private fun SettingRowItem(icon: ImageVector, title: String, subtitle: String, onClick: () -> Unit) {
    Row(
        Modifier
            .fillMaxWidth()
            .clickable { onClick() }
            .padding(horizontal = 16.dp, vertical = 14.dp),
        verticalAlignment = Alignment.CenterVertically
    ) {
        Box(
            Modifier
                .size(38.dp)
                .clip(RoundedCornerShape(10.dp))
                .background(Color(0xFFF3F4F6)),
            contentAlignment = Alignment.Center
        ) {
            Icon(icon, null, tint = Color(0xFF374151), modifier = Modifier.size(20.dp))
        }
        Spacer(Modifier.width(14.dp))
        Column(Modifier.weight(1f)) {
            Text(title, color = Color(0xFF1F2937), fontSize = 15.sp, fontWeight = FontWeight.Bold)
            if (subtitle.isNotEmpty()) {
                Text(subtitle, color = Color(0xFF6B7280), fontSize = 12.sp)
            }
        }
        Icon(Icons.Outlined.ChevronRight, null, tint = Color.LightGray, modifier = Modifier.size(20.dp))
    }
}

@Composable
private fun DividerLine() {
    Box(Modifier.fillMaxWidth().height(0.5.dp).padding(horizontal = 16.dp).background(Color(0xFFE5E7EB)))
}

@Composable
private fun LanguageDialog(onDismiss: () -> Unit) {
    Dialog(onDismissRequest = onDismiss) {
        Box(Modifier.width(300.dp).clip(RoundedCornerShape(24.dp)).background(Color.White).padding(20.dp)) {
            Column(verticalArrangement = Arrangement.spacedBy(12.dp)) {
                Text("切换语言", color = Color(0xFF1F2937), fontSize = 18.sp, fontWeight = FontWeight.Bold)
                GlassButton(text = "中文", onClick = { onDismiss() }, modifier = Modifier.fillMaxWidth())
                GlassButton(text = "English", onClick = { onDismiss() }, modifier = Modifier.fillMaxWidth())
            }
        }
    }
}