package com.example.smarthome

import android.graphics.drawable.Drawable
import android.os.Bundle
import androidx.activity.ComponentActivity
import com.example.smarthome.ui.theme.SmartHomeTheme
import androidx.compose.runtime.Composable
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.ViewCompositionStrategy
import eightbitlab.com.blurview.BlurTarget
import eightbitlab.com.blurview.BlurView
import androidx.compose.material3.Surface
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.ui.Modifier
import androidx.core.view.WindowCompat
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.foundation.layout.Box
import androidx.compose.ui.unit.dp
import com.example.smarthome.ui.MainScaffold
import androidx.compose.ui.platform.ComposeView

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        WindowCompat.setDecorFitsSystemWindows(window, true)

        setContentView(R.layout.activity_main)
        val composeView = findViewById<ComposeView>(R.id.composeView)
        composeView.setViewCompositionStrategy(ViewCompositionStrategy.DisposeOnViewTreeLifecycleDestroyed)
        composeView.setContent {
            SmartHomeTheme {
                Surface(modifier = Modifier.fillMaxSize(), color = Color(0xFF121212)) {
                    AppRoot()
                }
            }
        }

        val decorView = window.decorView
        val blurTarget = findViewById<BlurTarget>(R.id.blurTarget)
        val blurView = findViewById<BlurView>(R.id.blurView)
        val windowBackground: Drawable? = decorView.background
        blurView.setupWith(blurTarget)
            .setFrameClearDrawable(windowBackground)
            .setBlurRadius(20f)

    }
}

@Composable
fun AppRoot() {
    val context = androidx.compose.ui.platform.LocalContext.current
    val sharedPreferences = remember { 
        context.getSharedPreferences("smart_home_prefs", android.content.Context.MODE_PRIVATE) 
    }
    
    // 从SharedPreferences加载房间列表
    val defaultRooms = listOf("总览", "客厅", "厨房", "卧室", "影音室", "游戏房")
    val savedRooms = remember {
        val saved = sharedPreferences.getString("rooms", null)
        if (saved != null) {
            saved.split(",").filter { it.isNotBlank() }
        } else {
            defaultRooms
        }
    }
    
    var selectedRoom by remember { mutableStateOf(0) }
    var selectedNavItem by remember { mutableStateOf(0) } // 0=控制台, 5=设置
    var rooms by remember { mutableStateOf(savedRooms) }
    
    // 保存房间列表到SharedPreferences
    fun saveRooms(roomList: List<String>) {
        sharedPreferences.edit().putString("rooms", roomList.joinToString(",")).apply()
        rooms = roomList
    }
    
    Box(modifier = Modifier.fillMaxSize()) {
        MainScaffold(
            selectedRoom = selectedRoom,
            onRoomSelect = { selectedRoom = it },
            selectedNavItem = selectedNavItem,
            onNavItemSelect = { selectedNavItem = it },
            rooms = rooms,
            onAddRoom = { newRoomName ->
                saveRooms(rooms + newRoomName)
            },
            onDeleteRoom = { index ->
                if (rooms.size > 1) { // 至少保留一个房间
                    saveRooms(rooms.filterIndexed { i, _ -> i != index })
                    if (selectedRoom >= rooms.size - 1) {
                        selectedRoom = (rooms.size - 2).coerceAtLeast(0)
                    }
                }
            }
        )
    }
}