package com.m57.hermescontrol

import android.content.Context
import android.content.Intent
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.setValue
import androidx.compose.ui.Modifier
import com.m57.hermescontrol.data.local.AuthManager
import com.m57.hermescontrol.notification.NotificationReplyReceiver
import com.m57.hermescontrol.theme.HermesControlTheme
import com.m57.hermescontrol.util.LocaleContextWrapper

class MainActivity : ComponentActivity() {
    // Observable state so both onCreate and onNewIntent updates flow to Compose
    private var notificationSessionId by mutableStateOf<String?>(null)

    /**
     * Apply the user-selected display language before any view is inflated.
     * Reads the persisted code from [AuthManager]; an uninitialized store
     * (shouldn't happen here, but guarded) falls back to the device locale.
     */
    override fun attachBaseContext(base: Context) {
        val code =
            runCatching { AuthManager.getAppLanguage() }
                .getOrDefault(LocaleContextWrapper.SYSTEM_LANGUAGE)
        super.attachBaseContext(LocaleContextWrapper.wrapWithCode(base, code))
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        // Read notification tap sessionId (if any) from the intent that launched us
        notificationSessionId = intent?.getStringExtra(NotificationReplyReceiver.EXTRA_SESSION_ID)

        enableEdgeToEdge()
        setContent {
            val themePreference by AuthManager.themePreferenceFlow.collectAsState()
            val useDynamicColors by AuthManager.useDynamicColorsFlow.collectAsState()
            val themePreset by AuthManager.themePresetFlow.collectAsState()
            HermesControlTheme(
                themePreference = themePreference,
                useDynamicColors = useDynamicColors,
                themePreset = themePreset,
            ) {
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background,
                ) {
                    MainNavigation(sessionId = notificationSessionId)
                }
            }
        }
    }

    override fun onNewIntent(intent: Intent) {
        super.onNewIntent(intent)
        // When a notification tap arrives while the app is already running
        // (task exists in background), Android delivers the intent here instead
        // of onCreate. Update the observable state so Compose recomposes
        // and ChatScreen's LaunchedEffect switches to the correct session.
        notificationSessionId = intent.getStringExtra(NotificationReplyReceiver.EXTRA_SESSION_ID)
    }
}