package com.gacy.android

import android.Manifest
import android.content.ClipData
import android.content.ClipboardManager
import android.content.Context
import android.content.pm.PackageManager
import android.os.Build
import android.os.Bundle
import android.widget.Toast
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.foundation.text.selection.SelectionContainer
import androidx.compose.foundation.verticalScroll
import androidx.compose.material3.*
import androidx.compose.runtime.*
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import androidx.core.view.WindowCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.WindowInsetsControllerCompat
import com.gacy.android.ui.screens.MainScreen
import com.gacy.android.ui.theme.GaCyTheme

class MainActivity : ComponentActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        CrashTracker.breadcrumb(this, "MainActivity: onCreate")

        // ซ่อน Status Bar
        val windowInsetsController = WindowCompat.getInsetsController(window, window.decorView)
        windowInsetsController.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
        windowInsetsController.hide(WindowInsetsCompat.Type.statusBars()) // ใช้ .systemBars() ถ้าต้องการซ่อน Navigation Bar ด้านล่างด้วย

        enableEdgeToEdge()
        requestAppPermissions()

        setContent {
            GaCyTheme {
                var crashReport by remember { mutableStateOf(CrashTracker.getLastCrash(this@MainActivity)) }

                MainScreen()

                if (crashReport != null) {
                    AlertDialog(
                        onDismissRequest = {
                            CrashTracker.clearLastCrash(this@MainActivity)
                            crashReport = null
                        },
                        title = {
                            Text(
                                "⚠️ GaCy Crash Report",
                                fontWeight = FontWeight.Bold,
                                color = MaterialTheme.colorScheme.error
                            )
                        },
                        text = {
                            Column {
                                Text(
                                    "A fatal error occurred in the previous session:",
                                    fontSize = 13.sp,
                                    color = Color.LightGray
                                )
                                Spacer(modifier = Modifier.height(8.dp))
                                SelectionContainer {
                                    Text(
                                        text = crashReport ?: "",
                                        fontSize = 11.sp,
                                        fontFamily = FontFamily.Monospace,
                                        modifier = Modifier
                                            .fillMaxWidth()
                                            .heightIn(max = 300.dp)
                                            .verticalScroll(rememberScrollState())
                                            .background(Color(0xFF1E1E1E), RoundedCornerShape(8.dp))
                                            .padding(8.dp),
                                        color = Color(0xFFFF8A80)
                                    )
                                }
                            }
                        },
                        confirmButton = {
                            Button(
                                onClick = {
                                    val clipboard = getSystemService(Context.CLIPBOARD_SERVICE) as? ClipboardManager
                                    val clip = ClipData.newPlainText("GaCy Crash", crashReport)
                                    clipboard?.setPrimaryClip(clip)
                                    Toast.makeText(this@MainActivity, "Crash report copied!", Toast.LENGTH_SHORT).show()
                                }
                            ) {
                                Text("Copy Log")
                            }
                        },
                        dismissButton = {
                            TextButton(
                                onClick = {
                                    CrashTracker.clearLastCrash(this@MainActivity)
                                    crashReport = null
                                }
                            ) {
                                Text("Dismiss")
                            }
                        }
                    )
                }
            }
        }
    }

    private fun requestAppPermissions() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
            if (ContextCompat.checkSelfPermission(
                    this,
                    Manifest.permission.POST_NOTIFICATIONS
                ) != PackageManager.PERMISSION_GRANTED
            ) {
                ActivityCompat.requestPermissions(
                    this,
                    arrayOf(Manifest.permission.POST_NOTIFICATIONS),
                    101
                )
            }
        }
    }
}