ikona

app/src/main/java/com/bartek/iwentaryzacja/MainActivity.kt

@@ -1,28 +1,705 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.bartek.iwentaryzacja
 
+import android.app.DownloadManager
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.net.Uri
+import android.os.Build
 import android.os.Bundle
+import android.os.Environment
 import androidx.activity.ComponentActivity
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.List
+import androidx.compose.material.icons.filled.*
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
-import com.bartek.iwentaryzacja.ui.theme.IwentARyzacjaTheme
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.core.content.ContextCompat
+import androidx.core.content.FileProvider
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import androidx.lifecycle.viewmodel.compose.viewModel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import org.apache.poi.ss.usermodel.WorkbookFactory
+import org.json.JSONObject
+import java.io.File
+import java.io.InputStream
+import java.net.HttpURLConnection
+import java.net.URL
+import java.util.Scanner
 
+// ==========================================
+// 1. MODEL DANYCH MASZYNY
+// ==========================================
+data class Machine(
+    val id: String,          // Nr ewid. (np. 7065/K)
+    val name: String,        // Nazwa sprzętu
+    val category: String,    // Kategoria (np. minikoparki)
+    val originalStatus: String, // Status z kolumny H
+    val isChecked: Boolean = false
+)
+
+// ==========================================
+// 2. VIEWMODEL (DOPASOWANY PARSER .XLSX)
+// ==========================================
+class InventoryViewModel : ViewModel() {
+    private val _machines = MutableStateFlow<List<Machine>>(emptyList())
+    val machines: StateFlow<List<Machine>> = _machines.asStateFlow()
+
+    private val _searchQuery = MutableStateFlow("")
+    val searchQuery: StateFlow<String> = _searchQuery.asStateFlow()
+
+    private val _filterMissing = MutableStateFlow(false)
+    val filterMissing: StateFlow<Boolean> = _filterMissing.asStateFlow()
+
+    private val _notes = MutableStateFlow("")
+    val notes: StateFlow<String> = _notes.asStateFlow()
+
+    private val _updateInfo = MutableStateFlow<UpdateInfo?>(null)
+    val updateInfo: StateFlow<UpdateInfo?> = _updateInfo.asStateFlow()
+
+    data class UpdateInfo(val versionCode: Int, val apkUrl: String)
+
+    fun checkForUpdates(context: Context) {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                val url = URL("https://bbjsolution.org/AR/InwentARyzacja/src/branch/master/update.json")
+                val connection = url.openConnection() as HttpURLConnection
+                connection.connectTimeout = 5000
+                connection.readTimeout = 5000
+                
+                if (connection.responseCode == 200) {
+                    val scanner = Scanner(connection.inputStream).useDelimiter("\\A")
+                    val result = if (scanner.hasNext()) scanner.next() else ""
+                    val json = JSONObject(result)
+                    
+                    val newVersionCode = json.getInt("versionCode")
+                    val apkUrl = json.getString("url")
+                    
+                    val packageInfo = context.packageManager.getPackageInfo(context.packageName, 0)
+                    @Suppress("DEPRECATION")
+                    val currentVersionCode = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+                        packageInfo.longVersionCode.toInt()
+                    } else {
+                        packageInfo.versionCode
+                    }
+                    
+                    if (newVersionCode > currentVersionCode) {
+                        _updateInfo.value = UpdateInfo(newVersionCode, apkUrl)
+                    }
+                }
+            } catch (e: Exception) {
+                e.printStackTrace()
+            }
+        }
+    }
+
+    fun downloadAndInstall(context: Context, apkUrl: String) {
+        val request = DownloadManager.Request(Uri.parse(apkUrl))
+            .setTitle("Aktualizacja inwentARyzacja")
+            .setDescription("Pobieranie nowej wersji...")
+            .setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED)
+            .setDestinationInExternalFilesDir(context, Environment.DIRECTORY_DOWNLOADS, "update.apk")
+            .setAllowedOverMetered(true)
+            .setAllowedOverRoaming(true)
+
+        val downloadManager = context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
+        downloadManager.enqueue(request)
+    }
+
+    fun setSearchQuery(query: String) {
+        _searchQuery.value = query
+    }
+
+    fun setNotes(newNotes: String) {
+        _notes.value = newNotes
+    }
+
+    fun appendDigit(digit: String) {
+        _searchQuery.value += digit
+    }
+
+    fun backspace() {
+        if (_searchQuery.value.isNotEmpty()) {
+            _searchQuery.value = _searchQuery.value.dropLast(1)
+        }
+    }
+
+    fun clearSearch() {
+        _searchQuery.value = ""
+    }
+
+    fun toggleFilterMissing() {
+        _filterMissing.value = !_filterMissing.value
+    }
+
+    fun getUniqueStatuses(): List<String> {
+        return _machines.value
+            .map { it.originalStatus }
+            .filter { it.isNotEmpty() }
+            .distinct()
+            .sorted()
+    }
+
+    fun markMachinesByStatuses(statuses: Set<String>, isChecked: Boolean) {
+        _machines.value = _machines.value.map { machine ->
+            if (statuses.contains(machine.originalStatus)) {
+                machine.copy(isChecked = isChecked)
+            } else {
+                machine
+            }
+        }
+    }
+
+    fun toggleMachineCheck(machineId: String) {
+        _machines.value = _machines.value.map { machine ->
+            if (machine.id == machineId) {
+                machine.copy(isChecked = !machine.isChecked)
+            } else {
+                machine
+            }
+        }
+    }
+
+    // Parser zoptymalizowany pod strukturę raportu z systemu
+    fun parseXlsFile(inputStream: InputStream) {
+        try {
+            // WorkbookFactory automatycznie obsługuje zarówno .xls jak i .xlsx
+            val workbook = WorkbookFactory.create(inputStream)
+            val sheet = workbook.getSheetAt(0)
+            val parsedList = mutableListOf<Machine>()
+
+            // Dane zaczynają się od wiersza indeks 2 (po 2 wierszach nagłówka)
+            for (rowIndex in 2..sheet.lastRowNum) {
+                val row = sheet.getRow(rowIndex) ?: continue
+
+                val category = row.getCell(1)?.toString()?.trim() ?: ""
+                val id = row.getCell(2)?.toString()?.trim() ?: ""
+                val name = row.getCell(3)?.toString()?.trim() ?: ""
+                val status = row.getCell(7)?.toString()?.trim() ?: ""
+
+                // Wczytujemy tylko, gdy pozycja ma nazwę i nr ewidencyjny
+                if (name.isNotEmpty() && id.isNotEmpty()) {
+                    parsedList.add(
+                        Machine(
+                            id = id,
+                            name = name,
+                            category = category,
+                            originalStatus = status
+                        )
+                    )
+                }
+            }
+            _machines.value = parsedList
+            workbook.close()
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+    }
+}
+
+// ==========================================
+// 3. GŁÓWNA AKTYWNOŚĆ
+// ==========================================
 class MainActivity : ComponentActivity() {
+    private val onDownloadComplete = object : BroadcastReceiver() {
+        override fun onReceive(context: Context, intent: Intent) {
+            val id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, -1)
+            if (id != -1L) {
+                installApk(context)
+            }
+        }
+    }
+
+    private fun installApk(context: Context) {
+        val file = File(context.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS), "update.apk")
+        if (file.exists()) {
+            val uri = FileProvider.getUriForFile(context, "${context.packageName}.fileprovider", file)
+            val intent = Intent(Intent.ACTION_VIEW)
+            intent.setDataAndType(uri, "application/vnd.android.package-archive")
+            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            context.startActivity(intent)
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
+
+        ContextCompat.registerReceiver(
+            this,
+            onDownloadComplete,
+            IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE),
+            ContextCompat.RECEIVER_EXPORTED
+        )
+
         setContent {
-            IwentARyzacjaTheme {
-                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
-                    Greeting(
-                        name = "Android",
-                        modifier = Modifier.padding(innerPadding)
+            MaterialTheme(
+                colorScheme = darkColorScheme(
+                    primary = Color(0xFF007ACC),
+                    background = Color(0xFF121824),
+                    surface = Color(0xFF1E2638)
+                )
+            ) {
+                Surface(
+                    modifier = Modifier.fillMaxSize(),
+                    color = MaterialTheme.colorScheme.background
+                ) {
+                    InventoryScreen()
+                }
+            }
+        }
+    }
+    override fun onDestroy() {
+        super.onDestroy()
+        unregisterReceiver(onDownloadComplete)
+    }
+}
+
+// ==========================================
+// 4. EKRAN GŁÓWNY
+// ==========================================
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun InventoryScreen(viewModel: InventoryViewModel = viewModel()) {
+    val context = LocalContext.current
+    val machines by viewModel.machines.collectAsState()
+    val searchQuery by viewModel.searchQuery.collectAsState()
+    val filterMissing by viewModel.filterMissing.collectAsState()
+    val notes by viewModel.notes.collectAsState()
+    val updateInfo by viewModel.updateInfo.collectAsState()
+    
+    var showStatusDialog by remember { mutableStateOf(false) }
+    var showNotesDialog by remember { mutableStateOf(false) }
+    var showUpdateDialog by remember { mutableStateOf(false) }
+
+    LaunchedEffect(Unit) {
+        viewModel.checkForUpdates(context)
+    }
+
+    LaunchedEffect(updateInfo) {
+        if (updateInfo != null) {
+            showUpdateDialog = true
+        }
+    }
+
+    if (showUpdateDialog && updateInfo != null) {
+        AlertDialog(
+            onDismissRequest = { showUpdateDialog = false },
+            title = { Text("Dostępna aktualizacja", color = Color.White) },
+            text = { Text("Czy chcesz pobrać i zainstalować nową wersję aplikacji?", color = Color.White) },
+            confirmButton = {
+                Button(onClick = {
+                    viewModel.downloadAndInstall(context, updateInfo!!.apkUrl)
+                    showUpdateDialog = false
+                }) {
+                    Text("Pobierz")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showUpdateDialog = false }) {
+                    Text("Później")
+                }
+            },
+            containerColor = Color(0xFF1E2638)
+        )
+    }
+
+    // Launcher akceptujący pliki .xlsx oraz .xls
+    val filePickerLauncher = rememberLauncherForActivityResult(
+        contract = ActivityResultContracts.GetContent()
+    ) { uri: Uri? ->
+        uri?.let {
+            context.contentResolver.openInputStream(it)?.use { inputStream ->
+                viewModel.parseXlsFile(inputStream)
+            }
+        }
+    }
+
+    if (showStatusDialog) {
+        StatusSelectionDialog(
+            statuses = viewModel.getUniqueStatuses(),
+            onDismiss = { showStatusDialog = false },
+            onConfirm = { selectedStatuses ->
+                viewModel.markMachinesByStatuses(selectedStatuses, true)
+                showStatusDialog = false
+            }
+        )
+    }
+
+    if (showNotesDialog) {
+        NotesDialog(
+            notes = notes,
+            onNotesChange = { viewModel.setNotes(it) },
+            onDismiss = { showNotesDialog = false }
+        )
+    }
+
+    val filteredMachines = remember(machines, searchQuery, filterMissing) {
+        var list = if (searchQuery.isBlank()) machines
+        else machines.filter {
+            it.name.contains(searchQuery, ignoreCase = true) ||
+                    it.id.contains(searchQuery, ignoreCase = true) ||
+                    it.category.contains(searchQuery, ignoreCase = true)
+        }
+        
+        if (filterMissing) {
+            list = list.filter { !it.isChecked }
+        }
+        list
+    }
+
+    val checkedCount = machines.count { it.isChecked }
+    val totalCount = machines.size
+    val progress = if (totalCount > 0) checkedCount.toFloat() / totalCount.toFloat() else 0f
+
+    Scaffold(
+        modifier = Modifier.fillMaxSize(),
+        containerColor = MaterialTheme.colorScheme.background,
+        contentWindowInsets = WindowInsets.safeDrawing
+    ) { innerPadding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(innerPadding)
+                .padding(horizontal = 16.dp, vertical = 8.dp)
+        ) {
+            // Cztery małe kafelki w jednej linii
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(4.dp)
+            ) {
+                DashboardTile(
+                    title = "Wczytaj",
+                    icon = Icons.Default.FileDownload,
+                    color = Color(0xFF007ACC),
+                    onClick = { filePickerLauncher.launch("*/*") },
+                    modifier = Modifier.weight(1f)
+                )
+                DashboardTile(
+                    title = if (filterMissing) "Wszystkie" else "Brakujące",
+                    icon = if (filterMissing) Icons.AutoMirrored.Filled.List else Icons.Default.Search,
+                    color = if (filterMissing) Color(0xFFFF9800) else Color(0xFFE91E63),
+                    onClick = { viewModel.toggleFilterMissing() },
+                    modifier = Modifier.weight(1f)
+                )
+                DashboardTile(
+                    title = "Statusy",
+                    icon = Icons.Default.Info,
+                    color = Color(0xFF9C27B0),
+                    onClick = { showStatusDialog = true },
+                    modifier = Modifier.weight(1f)
+                )
+                DashboardTile(
+                    title = "Dopisz",
+                    icon = Icons.Default.EditNote,
+                    color = Color(0xFF4CAF50),
+                    onClick = { showNotesDialog = true },
+                    modifier = Modifier.weight(1f)
+                )
+            }
+
+            Spacer(modifier = Modifier.height(16.dp))
+
+            if (machines.isNotEmpty()) {
+                Card(
+                    colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface),
+                    shape = RoundedCornerShape(8.dp),
+                    modifier = Modifier.fillMaxWidth()
+                ) {
+                    Column(modifier = Modifier.padding(8.dp)) {
+                        Row(
+                            modifier = Modifier.fillMaxWidth(),
+                            horizontalArrangement = Arrangement.SpaceBetween
+                        ) {
+                            Text("Postęp:", color = Color.Gray, fontSize = 12.sp)
+                            Text(
+                                "$checkedCount / $totalCount (${(progress * 100).toInt()}%)",
+                                color = Color.White,
+                                fontWeight = FontWeight.Bold,
+                                fontSize = 12.sp
+                            )
+                        }
+                        Spacer(modifier = Modifier.height(4.dp))
+                        LinearProgressIndicator(
+                            progress = { progress },
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .height(4.dp)
+                                .clip(RoundedCornerShape(2.dp)),
+                            color = Color(0xFF11CAA0),
+                            trackColor = Color(0xFF2A3447)
+                        )
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(8.dp))
+
+                // Lista zajmuje elastyczną przestrzeń, ale zostanie ograniczona przez klawiaturę
+                LazyColumn(
+                    verticalArrangement = Arrangement.spacedBy(4.dp),
+                    modifier = Modifier.weight(1f) // Używamy weight, aby zajęła resztę miejsca przed klawiaturą
+                ) {
+                    items(filteredMachines, key = { it.id }) { machine ->
+                        MachineItem(
+                            machine = machine,
+                            onToggle = { viewModel.toggleMachineCheck(machine.id) }
+                        )
+                    }
+                }
+                
+                Spacer(modifier = Modifier.height(8.dp))
+                
+                // Bardzo mały pasek szukania nad klawiaturą
+                OutlinedTextField(
+                    value = searchQuery,
+                    onValueChange = { viewModel.setSearchQuery(it) },
+                    placeholder = { Text("Szukaj...", fontSize = 12.sp, color = Color.Gray) },
+                    modifier = Modifier.fillMaxWidth().height(48.dp),
+                    shape = RoundedCornerShape(8.dp),
+                    singleLine = true,
+                    textStyle = LocalTextStyle.current.copy(fontSize = 13.sp),
+                    colors = OutlinedTextFieldDefaults.colors(
+                        focusedBorderColor = MaterialTheme.colorScheme.primary.copy(alpha = 0.5f),
+                        unfocusedBorderColor = Color(0xFF2A3447),
+                        focusedContainerColor = MaterialTheme.colorScheme.surface,
+                        unfocusedContainerColor = MaterialTheme.colorScheme.surface,
+                        focusedTextColor = Color.White,
+                        unfocusedTextColor = Color.White
+                    )
+                )
+                
+                Spacer(modifier = Modifier.height(8.dp))
+                
+                // Klawiatura numeryczna na dole
+                NumericKeyboard(
+                    onDigitClick = { viewModel.appendDigit(it) },
+                    onBackspace = { viewModel.backspace() },
+                    onClear = { viewModel.clearSearch() }
+                )
+            } else {
+                Box(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(32.dp),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Text(
+                        text = "Brak wczytanych maszyn.\nWybierz plik .xlsx wygenerowany z systemu.",
+                        color = Color.Gray,
+                        fontSize = 16.sp,
+                        textAlign = TextAlign.Center
+                    )
+                }
+            }
+        }
+    }
+}
+
+// ==========================================
+// 5. POJEDYNCZY ELEMENT LISTY
+// ==========================================
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun DashboardTile(
+    title: String,
+    icon: ImageVector,
+    color: Color,
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Card(
+        onClick = onClick,
+        modifier = modifier.height(70.dp), // Zmniejszona wysokość
+        shape = RoundedCornerShape(12.dp),
+        colors = CardDefaults.cardColors(containerColor = color.copy(alpha = 0.15f)),
+        border = androidx.compose.foundation.BorderStroke(1.dp, color.copy(alpha = 0.3f))
+    ) {
+        Column(
+            modifier = Modifier.fillMaxSize().padding(4.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.Center
+        ) {
+            Icon(icon, contentDescription = null, tint = color, modifier = Modifier.size(24.dp))
+            Spacer(modifier = Modifier.height(2.dp))
+            Text(
+                text = title,
+                fontSize = 11.sp,
+                fontWeight = FontWeight.Bold,
+                color = Color.White,
+                textAlign = TextAlign.Center,
+                lineHeight = 12.sp
+            )
+        }
+    }
+}
+
+@Composable
+fun StatusSelectionDialog(
+    statuses: List<String>,
+    onDismiss: () -> Unit,
+    onConfirm: (Set<String>) -> Unit
+) {
+    var selectedStatuses by remember { mutableStateOf(setOf<String>()) }
+
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Wybierz statusy do zaznaczenia") },
+        text = {
+            if (statuses.isEmpty()) {
+                Text("Brak wczytanych maszyn ze statusami.")
+            } else {
+                LazyColumn(modifier = Modifier.fillMaxWidth().heightIn(max = 300.dp)) {
+                    items(statuses) { status ->
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .clickable {
+                                    selectedStatuses = if (selectedStatuses.contains(status)) {
+                                        selectedStatuses - status
+                                    } else {
+                                        selectedStatuses + status
+                                    }
+                                }
+                                .padding(vertical = 8.dp)
+                        ) {
+                            Checkbox(
+                                checked = selectedStatuses.contains(status),
+                                onCheckedChange = null // Obsłużone w Row.clickable
+                            )
+                            Spacer(modifier = Modifier.width(8.dp))
+                            Text(status, color = Color.White)
+                        }
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = { onConfirm(selectedStatuses) }) {
+                Text("Zastosuj")
+            }
+        },
+        dismissButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Anuluj")
+            }
+        },
+        containerColor = Color(0xFF1E2638),
+        titleContentColor = Color.White,
+        textContentColor = Color.White
+    )
+}
+
+@Composable
+fun NotesDialog(
+    notes: String,
+    onNotesChange: (String) -> Unit,
+    onDismiss: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text("Notatnik", color = Color.White) },
+        text = {
+            OutlinedTextField(
+                value = notes,
+                onValueChange = onNotesChange,
+                modifier = Modifier.fillMaxWidth().height(200.dp),
+                placeholder = { Text("Wpisz notatki tutaj...", color = Color.Gray) },
+                colors = OutlinedTextFieldDefaults.colors(
+                    focusedTextColor = Color.White,
+                    unfocusedTextColor = Color.White,
+                    focusedContainerColor = Color(0xFF2A3447),
+                    unfocusedContainerColor = Color(0xFF2A3447)
+                )
+            )
+        },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text("Zamknij")
+            }
+        },
+        containerColor = Color(0xFF1E2638)
+    )
+}
+
+@Composable
+fun NumericKeyboard(
+    onDigitClick: (String) -> Unit,
+    onBackspace: () -> Unit,
+    onClear: () -> Unit
+) {
+    Column(
+        modifier = Modifier.fillMaxWidth(),
+        verticalArrangement = Arrangement.spacedBy(8.dp)
+    ) {
+        val buttons = listOf(
+            listOf("1", "2", "3"),
+            listOf("4", "5", "6"),
+            listOf("7", "8", "9"),
+            listOf("C", "0", "⌫")
+        )
+
+        buttons.forEach { row ->
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                row.forEach { label ->
+                    val isSpecial = label == "C" || label == "⌫"
+                    KeyButton(
+                        label = label,
+                        onClick = {
+                            when (label) {
+                                "C" -> onClear()
+                                "⌫" -> onBackspace()
+                                else -> onDigitClick(label)
+                            }
+                        },
+                        color = if (isSpecial) Color(0xFF2A3447) else Color(0xFF1E2638),
+                        textColor = if (label == "⌫") Color(0xFFE91E63) else if (label == "C") Color(0xFFFF9800) else Color.White,
+                        modifier = Modifier.weight(1f)
                     )
                 }
             }
@@ -31,17 +708,76 @@ class MainActivity : ComponentActivity() {
 }
 
 @Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = "Hello $name!",
-        modifier = modifier
-    )
+fun KeyButton(
+    label: String,
+    onClick: () -> Unit,
+    color: Color,
+    textColor: Color,
+    modifier: Modifier = Modifier
+) {
+    Surface(
+        onClick = onClick,
+        modifier = modifier.height(54.dp),
+        shape = RoundedCornerShape(12.dp),
+        color = color,
+        border = androidx.compose.foundation.BorderStroke(1.dp, Color.White.copy(alpha = 0.1f))
+    ) {
+        Box(contentAlignment = Alignment.Center) {
+            Text(
+                text = label,
+                fontSize = 20.sp,
+                fontWeight = FontWeight.Bold,
+                color = textColor
+            )
+        }
+    }
 }
 
-@Preview(showBackground = true)
 @Composable
-fun GreetingPreview() {
-    IwentARyzacjaTheme {
-        Greeting("Android")
+fun MachineItem(
+    machine: Machine,
+    onToggle: () -> Unit
+) {
+    Card(
+        shape = RoundedCornerShape(8.dp),
+        colors = CardDefaults.cardColors(
+            containerColor = if (machine.isChecked) Color(0xFF183B32) else MaterialTheme.colorScheme.surface
+        ),
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable { onToggle() }
+    ) {
+        Row(
+            modifier = Modifier
+                .padding(8.dp)
+                .fillMaxWidth(),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Column(modifier = Modifier.weight(1f)) {
+                Text(
+                    text = machine.id,
+                    fontWeight = FontWeight.Bold,
+                    fontSize = 14.sp,
+                    color = Color.White
+                )
+                Text(
+                    text = machine.name,
+                    fontSize = 11.sp,
+                    color = Color.LightGray,
+                    maxLines = 1
+                )
+            }
+            
+            if (machine.originalStatus.isNotEmpty()) {
+                Text(
+                    text = machine.originalStatus,
+                    fontSize = 10.sp,
+                    fontWeight = FontWeight.Medium,
+                    color = Color(0xFF11CAA0),
+                    modifier = Modifier.padding(start = 8.dp)
+                )
+            }
+        }
     }
 }

app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Color.kt

@@ -1,3 +1,18 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.bartek.iwentaryzacja.ui.theme
 
 import androidx.compose.ui.graphics.Color

app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Theme.kt

@@ -1,3 +1,18 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.bartek.iwentaryzacja.ui.theme
 
 import android.app.Activity

app/src/main/java/com/bartek/iwentaryzacja/ui/theme/Type.kt

@@ -1,3 +1,18 @@
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package com.bartek.iwentaryzacja.ui.theme
 
 import androidx.compose.material3.Typography