package com.example.ui.screens

import android.widget.Toast
import androidx.compose.foundation.background
import androidx.compose.foundation.horizontalScroll
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.size
import androidx.compose.foundation.layout.width
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.items
import androidx.compose.foundation.rememberScrollState
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.AdminPanelSettings
import androidx.compose.material.icons.filled.Block
import androidx.compose.material.icons.filled.Business
import androidx.compose.material.icons.filled.Category
import androidx.compose.material.icons.filled.Check
import androidx.compose.material.icons.filled.CheckCircle
import androidx.compose.material.icons.filled.History
import androidx.compose.material.icons.filled.Person
import androidx.compose.material.icons.filled.PowerSettingsNew
import androidx.compose.material.icons.filled.Security
import androidx.compose.material.icons.filled.Shield
import androidx.compose.material.icons.filled.Subscriptions
import androidx.compose.material.icons.filled.Verified
import androidx.compose.material.icons.filled.Warning
import androidx.compose.material3.AlertDialog
import androidx.compose.material3.Button
import androidx.compose.material3.ButtonDefaults
import androidx.compose.material3.Card
import androidx.compose.material3.CardDefaults
import androidx.compose.material3.Icon
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.OutlinedButton
import androidx.compose.material3.OutlinedTextField
import androidx.compose.material3.ScrollableTabRow
import androidx.compose.material3.Surface
import androidx.compose.material3.Tab
import androidx.compose.material3.Text
import androidx.compose.material3.TextButton
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableIntStateOf
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.platform.LocalContext
import androidx.compose.ui.platform.testTag
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.lifecycle.compose.collectAsStateWithLifecycle
import com.example.ui.components.CategoryPill
import com.example.ui.components.StatusBadge
import com.example.ui.theme.EmeraldDark
import com.example.ui.theme.EmeraldLight
import com.example.ui.theme.EmeraldPrimary
import com.example.ui.viewmodel.MarketingViewModel
import com.example.ui.viewmodel.UserRole
import java.text.SimpleDateFormat
import java.util.Date
import java.util.Locale

@Composable
fun AdminPanelScreen(
    viewModel: MarketingViewModel,
    modifier: Modifier = Modifier
) {
    val context = LocalContext.current
    val currentRole by viewModel.currentRole.collectAsStateWithLifecycle()
    val pendingContacts by viewModel.pendingContacts.collectAsStateWithLifecycle()
    val auditLogs by viewModel.auditLogs.collectAsStateWithLifecycle()
    val categories by viewModel.categories.collectAsStateWithLifecycle()
    val subscriptionPlans by viewModel.subscriptionPlans.collectAsStateWithLifecycle()
    val account by viewModel.account.collectAsStateWithLifecycle()
    val contacts by viewModel.contacts.collectAsStateWithLifecycle()
    val partners by viewModel.partners.collectAsStateWithLifecycle()

    var selectedAdminTab by remember { mutableIntStateOf(0) }
    var showAddCategoryModal by remember { mutableStateOf(false) }

    val optedOutContacts = contacts.filter { it.optInStatus == "OPTED_OUT" }

    Column(
        modifier = modifier
            .fillMaxSize()
            .padding(horizontal = 16.dp)
    ) {
        Spacer(modifier = Modifier.height(8.dp))

        // Role & Governance Banner
        Card(
            modifier = Modifier.fillMaxWidth(),
            shape = RoundedCornerShape(14.dp),
            colors = CardDefaults.cardColors(containerColor = Color(0xFF1E293B))
        ) {
            Row(
                modifier = Modifier.padding(14.dp),
                verticalAlignment = Alignment.CenterVertically
            ) {
                Box(
                    modifier = Modifier
                        .size(42.dp)
                        .clip(CircleShape)
                        .background(Color(0xFF334155)),
                    contentAlignment = Alignment.Center
                ) {
                    Icon(
                        imageVector = Icons.Default.AdminPanelSettings,
                        contentDescription = null,
                        tint = EmeraldLight,
                        modifier = Modifier.size(24.dp)
                    )
                }
                Spacer(modifier = Modifier.width(12.dp))
                Column(modifier = Modifier.weight(1f)) {
                    Row(verticalAlignment = Alignment.CenterVertically) {
                        Text(
                            text = if (currentRole == UserRole.SUPER_ADMIN) "Narada Super Admin Control" else "Narada Admin Operations",
                            fontWeight = FontWeight.Bold,
                            fontSize = 15.sp,
                            color = Color.White
                        )
                        Spacer(modifier = Modifier.width(6.dp))
                        StatusBadge(status = currentRole.name)
                    }
                    Text(
                        text = "Multi-Tenant SaaS • Strict Data Isolation • Compliance Review",
                        fontSize = 11.sp,
                        color = Color(0xFF94A3B8)
                    )
                }
            }
        }

        Spacer(modifier = Modifier.height(10.dp))

        // Tab Navigation
        ScrollableTabRow(
            selectedTabIndex = selectedAdminTab,
            edgePadding = 0.dp,
            containerColor = Color.Transparent,
            contentColor = EmeraldPrimary
        ) {
            Tab(
                selected = selectedAdminTab == 0,
                onClick = { selectedAdminTab = 0 },
                text = { Text("Approvals (${pendingContacts.size})", fontSize = 11.sp) }
            )
            Tab(
                selected = selectedAdminTab == 1,
                onClick = { selectedAdminTab = 1 },
                text = { Text("Consumers / Tenants", fontSize = 11.sp) }
            )
            Tab(
                selected = selectedAdminTab == 2,
                onClick = { selectedAdminTab = 2 },
                text = { Text("Categories", fontSize = 11.sp) }
            )
            Tab(
                selected = selectedAdminTab == 3,
                onClick = { selectedAdminTab = 3 },
                text = { Text("Subscriptions", fontSize = 11.sp) }
            )
            Tab(
                selected = selectedAdminTab == 4,
                onClick = { selectedAdminTab = 4 },
                text = { Text("Compliance Centre (${optedOutContacts.size})", fontSize = 11.sp) }
            )
            Tab(
                selected = selectedAdminTab == 5,
                onClick = { selectedAdminTab = 5 },
                text = { Text("Audit Trail", fontSize = 11.sp) }
            )
        }

        Spacer(modifier = Modifier.height(12.dp))

        when (selectedAdminTab) {
            0 -> {
                // Approvals View (Contact Import Review Queue)
                Row(
                    modifier = Modifier.fillMaxWidth(),
                    horizontalArrangement = Arrangement.SpaceBetween,
                    verticalAlignment = Alignment.CenterVertically
                ) {
                    Text(
                        text = "Pending Contact Submissions (${pendingContacts.size})",
                        fontWeight = FontWeight.Bold,
                        fontSize = 15.sp
                    )
                    if (pendingContacts.isNotEmpty()) {
                        Button(
                            onClick = { viewModel.approveAllPendingContacts() },
                            colors = ButtonDefaults.buttonColors(containerColor = EmeraldPrimary),
                            shape = RoundedCornerShape(8.dp)
                        ) {
                            Text("Approve All", fontSize = 11.sp)
                        }
                    }
                }

                Spacer(modifier = Modifier.height(8.dp))

                if (pendingContacts.isEmpty()) {
                    Box(
                        modifier = Modifier
                            .fillMaxSize()
                            .weight(1f),
                        contentAlignment = Alignment.Center
                    ) {
                        Column(horizontalAlignment = Alignment.CenterHorizontally) {
                            Icon(Icons.Default.CheckCircle, contentDescription = null, tint = EmeraldPrimary, modifier = Modifier.size(40.dp))
                            Spacer(modifier = Modifier.height(8.dp))
                            Text("All uploaded contacts are reviewed and approved!", fontSize = 13.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
                        }
                    }
                } else {
                    LazyColumn(
                        modifier = Modifier.weight(1f),
                        verticalArrangement = Arrangement.spacedBy(10.dp)
                    ) {
                        items(pendingContacts) { contact ->
                            Card(
                                modifier = Modifier.fillMaxWidth(),
                                shape = RoundedCornerShape(10.dp),
                                colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface)
                            ) {
                                Column(modifier = Modifier.padding(12.dp)) {
                                    Row(
                                        modifier = Modifier.fillMaxWidth(),
                                        horizontalArrangement = Arrangement.SpaceBetween,
                                        verticalAlignment = Alignment.CenterVertically
                                    ) {
                                        Column {
                                            if (contact.customerName.isNotBlank()) {
                                                Text(contact.customerName, fontWeight = FontWeight.Bold, fontSize = 14.sp)
                                                Text("Mobile: ${contact.e164Phone}", fontSize = 12.sp, color = EmeraldPrimary, fontFamily = FontFamily.Monospace)
                                                val loc = listOf(contact.district.ifBlank { contact.city }, contact.state, contact.pinCode).filter { it.isNotBlank() }
                                                if (loc.isNotEmpty()) {
                                                    Text("Location: ${loc.joinToString(", ")}", fontSize = 11.sp, color = Color.Gray)
                                                }
                                            } else {
                                                Text("Mobile: ${contact.e164Phone}", fontWeight = FontWeight.Bold, fontSize = 14.sp, fontFamily = FontFamily.Monospace)
                                                val dist = contact.district.ifBlank { contact.city }
                                                if (dist.isNotBlank()) {
                                                    Text("District: $dist", fontSize = 12.sp, color = Color.Gray)
                                                }
                                            }
                                        }
                                        StatusBadge(status = "PENDING_REVIEW")
                                    }

                                    Spacer(modifier = Modifier.height(6.dp))
                                    Text(
                                        text = "Source: ${contact.consentSource} • Opt-In: ${contact.consentDate}",
                                        fontSize = 10.sp,
                                        color = MaterialTheme.colorScheme.onSurfaceVariant
                                    )

                                    Spacer(modifier = Modifier.height(8.dp))
                                    Button(
                                        onClick = { viewModel.approveContact(contact.id) },
                                        modifier = Modifier.fillMaxWidth(),
                                        colors = ButtonDefaults.buttonColors(containerColor = EmeraldPrimary),
                                        shape = RoundedCornerShape(8.dp)
                                    ) {
                                        Icon(Icons.Default.Check, contentDescription = null, modifier = Modifier.size(14.dp))
                                        Spacer(modifier = Modifier.width(6.dp))
                                        Text("Verify Consent & Approve", fontSize = 11.sp)
                                    }
                                }
                            }
                        }
                        item { Spacer(modifier = Modifier.height(20.dp)) }
                    }
                }
            }

            1 -> {
                // Consumers / Tenants Management (Super Admin Web Screens 1 & 2)
                LazyColumn(
                    modifier = Modifier.weight(1f),
                    verticalArrangement = Arrangement.spacedBy(12.dp)
                ) {
                    item {
                        Text(
                            text = "Registered Business Consumers & Tenants",
                            fontWeight = FontWeight.Bold,
                            fontSize = 15.sp
                        )
                        Spacer(modifier = Modifier.height(4.dp))
                        Text(
                            text = "Manage multi-tenant business accounts, subscription states, Meta WABA connections, and quota limits.",
                            fontSize = 11.sp,
                            color = MaterialTheme.colorScheme.onSurfaceVariant
                        )
                    }

                    item {
                        // Current Primary Business Consumer Card
                        account?.let { acc ->
                            Card(
                                modifier = Modifier.fillMaxWidth(),
                                shape = RoundedCornerShape(12.dp),
                                colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface),
                                elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
                            ) {
                                Column(modifier = Modifier.padding(14.dp)) {
                                    Row(
                                        modifier = Modifier.fillMaxWidth(),
                                        horizontalArrangement = Arrangement.SpaceBetween,
                                        verticalAlignment = Alignment.CenterVertically
                                    ) {
                                        Row(verticalAlignment = Alignment.CenterVertically) {
                                            Icon(Icons.Default.Business, contentDescription = null, tint = EmeraldPrimary, modifier = Modifier.size(24.dp))
                                            Spacer(modifier = Modifier.width(8.dp))
                                            Column {
                                                Text(acc.businessName, fontWeight = FontWeight.Bold, fontSize = 15.sp)
                                                Text("Tenant ID: primary_tenant • ${acc.subscriptionPlan} Plan", fontSize = 11.sp, color = Color.Gray)
                                            }
                                        }
                                        StatusBadge(status = acc.status)
                                    }

                                    Spacer(modifier = Modifier.height(10.dp))
                                    Text("• WABA ID: ${acc.metaWabaId}", fontSize = 11.sp, fontFamily = FontFamily.Monospace)
                                    Text("• Phone Number ID: ${acc.metaPhoneNumberId}", fontSize = 11.sp, fontFamily = FontFamily.Monospace)
                                    Text("• Monthly Quota: ${acc.quotaUsed} / ${acc.quotaLimit} messages", fontSize = 11.sp)
                                    Text("• Webhook Verified: ${if (acc.webhookVerified) "YES" else "NO"}", fontSize = 11.sp, color = EmeraldDark)

                                    Spacer(modifier = Modifier.height(10.dp))

                                    Row(
                                        modifier = Modifier.fillMaxWidth(),
                                        horizontalArrangement = Arrangement.spacedBy(8.dp)
                                    ) {
                                        val isActive = acc.status == "ACTIVE"
                                        Button(
                                            onClick = {
                                                viewModel.toggleAccountStatus(!isActive)
                                            },
                                            modifier = Modifier.weight(1f),
                                            colors = ButtonDefaults.buttonColors(
                                                containerColor = if (isActive) Color(0xFFE11D48) else EmeraldPrimary
                                            ),
                                            shape = RoundedCornerShape(8.dp)
                                        ) {
                                            Icon(Icons.Default.PowerSettingsNew, contentDescription = null, modifier = Modifier.size(14.dp))
                                            Spacer(modifier = Modifier.width(4.dp))
                                            Text(if (isActive) "Suspend Account" else "Activate Account", fontSize = 11.sp)
                                        }
                                    }
                                }
                            }
                        }
                    }

                    item {
                        // Additional tenant business accounts in system
                        Text(
                            text = "Other Registered Consumer Workspaces",
                            fontWeight = FontWeight.Bold,
                            fontSize = 13.sp
                        )
                    }

                    val demoTenants = listOf(
                        Triple("Apex Solar Energy LLP", "ACTIVE", "WABA: 948271039485721"),
                        Triple("Kaveri Agritech Ltd", "ACTIVE", "WABA: 817263549102938"),
                        Triple("Vertex Hardware Store", "PENDING_APPROVAL", "WABA: 729183049182746")
                    )

                    items(demoTenants) { (name, status, waba) ->
                        Card(
                            modifier = Modifier.fillMaxWidth(),
                            shape = RoundedCornerShape(10.dp),
                            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface)
                        ) {
                            Row(
                                modifier = Modifier.padding(12.dp),
                                horizontalArrangement = Arrangement.SpaceBetween,
                                verticalAlignment = Alignment.CenterVertically
                            ) {
                                Column(modifier = Modifier.weight(1f)) {
                                    Text(name, fontWeight = FontWeight.SemiBold, fontSize = 13.sp)
                                    Text(waba, fontSize = 10.sp, color = Color.Gray, fontFamily = FontFamily.Monospace)
                                }
                                StatusBadge(status = status)
                            }
                        }
                    }

                    item { Spacer(modifier = Modifier.height(20.dp)) }
                }
            }

            2 -> {
                // Category Management (Web Screen 5)
                Row(
                    modifier = Modifier.fillMaxWidth(),
                    horizontalArrangement = Arrangement.SpaceBetween,
                    verticalAlignment = Alignment.CenterVertically
                ) {
                    Text(
                        text = "Business Categories (${categories.size})",
                        fontWeight = FontWeight.Bold,
                        fontSize = 15.sp
                    )
                    Button(
                        onClick = { showAddCategoryModal = true },
                        colors = ButtonDefaults.buttonColors(containerColor = EmeraldPrimary),
                        shape = RoundedCornerShape(8.dp)
                    ) {
                        Text("+ New Category", fontSize = 11.sp)
                    }
                }

                Spacer(modifier = Modifier.height(10.dp))

                LazyColumn(
                    modifier = Modifier.weight(1f),
                    verticalArrangement = Arrangement.spacedBy(8.dp)
                ) {
                    items(categories) { cat ->
                        Card(
                            modifier = Modifier.fillMaxWidth(),
                            shape = RoundedCornerShape(10.dp),
                            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface)
                        ) {
                            Row(
                                modifier = Modifier.padding(14.dp),
                                horizontalArrangement = Arrangement.SpaceBetween,
                                verticalAlignment = Alignment.CenterVertically
                            ) {
                                Column(modifier = Modifier.weight(1f)) {
                                    CategoryPill(name = cat.name, colorHex = cat.colorHex)
                                    Spacer(modifier = Modifier.height(4.dp))
                                    Text(cat.description, fontSize = 11.sp, color = MaterialTheme.colorScheme.onSurfaceVariant)
                                }
                                StatusBadge(status = if (cat.isActive) "ACTIVE" else "INACTIVE")
                            }
                        }
                    }
                    item { Spacer(modifier = Modifier.height(20.dp)) }
                }
            }

            3 -> {
                // Subscription Plans
                Text(
                    text = "Platform Subscription Tiers & WhatsApp Quotas",
                    fontWeight = FontWeight.Bold,
                    fontSize = 15.sp
                )
                Spacer(modifier = Modifier.height(10.dp))

                LazyColumn(
                    modifier = Modifier.weight(1f),
                    verticalArrangement = Arrangement.spacedBy(10.dp)
                ) {
                    items(subscriptionPlans) { plan ->
                        Card(
                            modifier = Modifier.fillMaxWidth(),
                            shape = RoundedCornerShape(12.dp),
                            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface)
                        ) {
                            Column(modifier = Modifier.padding(14.dp)) {
                                Row(
                                    modifier = Modifier.fillMaxWidth(),
                                    horizontalArrangement = Arrangement.SpaceBetween,
                                    verticalAlignment = Alignment.CenterVertically
                                ) {
                                    Text(plan.name, fontWeight = FontWeight.Bold, fontSize = 16.sp)
                                    Text("₹ ${plan.monthlyPrice.toInt()} / mo", fontWeight = FontWeight.Bold, color = EmeraldPrimary, fontSize = 15.sp)
                                }
                                Spacer(modifier = Modifier.height(6.dp))
                                Text(
                                    text = "Monthly Quota: ${plan.messageQuota} messages • Contact Limit: ${plan.contactLimit} • ${plan.seats} seats",
                                    fontSize = 12.sp,
                                    color = MaterialTheme.colorScheme.onSurfaceVariant
                                )
                                Spacer(modifier = Modifier.height(4.dp))
                                Text(
                                    text = "Features: ${plan.features}",
                                    fontSize = 11.sp,
                                    color = Color(0xFF64748B)
                                )
                            }
                        }
                    }
                    item { Spacer(modifier = Modifier.height(20.dp)) }
                }
            }

            4 -> {
                // Compliance Centre & Opt-out Processing (Web Screen 6)
                LazyColumn(
                    modifier = Modifier.weight(1f),
                    verticalArrangement = Arrangement.spacedBy(10.dp)
                ) {
                    item {
                        Card(
                            modifier = Modifier.fillMaxWidth(),
                            shape = RoundedCornerShape(10.dp),
                            colors = CardDefaults.cardColors(containerColor = Color(0xFFF0FDF4))
                        ) {
                            Column(modifier = Modifier.padding(12.dp)) {
                                Row(verticalAlignment = Alignment.CenterVertically) {
                                    Icon(Icons.Default.Shield, contentDescription = null, tint = EmeraldPrimary, modifier = Modifier.size(20.dp))
                                    Spacer(modifier = Modifier.width(6.dp))
                                    Text("Meta Zero-Spam & Consumer Consent Policy", fontWeight = FontWeight.Bold, fontSize = 13.sp, color = Color(0xFF166534))
                                }
                                Spacer(modifier = Modifier.height(4.dp))
                                Text("• Messages dispatched strictly to Consumer lists with verifiable opt-in.", fontSize = 11.sp, color = Color(0xFF166534))
                                Text("• Automatic suppression triggered on incoming STOP or UNSUBSCRIBE webhooks.", fontSize = 11.sp, color = Color(0xFF166534))
                                Text("• Excludes vendors, retailers and third-parties without direct consumer consent.", fontSize = 11.sp, color = Color(0xFF166534))
                            }
                        }
                    }

                    item {
                        Text(
                            text = "Suppressed / Opted-Out Contacts (${optedOutContacts.size})",
                            fontWeight = FontWeight.Bold,
                            fontSize = 14.sp
                        )
                    }

                    if (optedOutContacts.isEmpty()) {
                        item {
                            Surface(
                                color = MaterialTheme.colorScheme.surface,
                                shape = RoundedCornerShape(8.dp),
                                modifier = Modifier.fillMaxWidth()
                            ) {
                                Row(
                                    modifier = Modifier.padding(16.dp),
                                    verticalAlignment = Alignment.CenterVertically
                                ) {
                                    Icon(Icons.Default.CheckCircle, contentDescription = null, tint = EmeraldPrimary)
                                    Spacer(modifier = Modifier.width(8.dp))
                                    Text("No opted-out contacts recorded. High account quality rating.", fontSize = 12.sp)
                                }
                            }
                        }
                    } else {
                        items(optedOutContacts) { contact ->
                            Card(
                                modifier = Modifier.fillMaxWidth(),
                                shape = RoundedCornerShape(8.dp),
                                colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface)
                            ) {
                                Row(
                                    modifier = Modifier.padding(12.dp),
                                    horizontalArrangement = Arrangement.SpaceBetween,
                                    verticalAlignment = Alignment.CenterVertically
                                ) {
                                    Column {
                                        Text(contact.e164Phone, fontWeight = FontWeight.Bold, fontSize = 13.sp, fontFamily = FontFamily.Monospace)
                                        Text("Suppression Reason: Opt-Out Request", fontSize = 10.sp, color = Color(0xFFE11D48))
                                    }
                                    StatusBadge(status = "OPTED_OUT")
                                }
                            }
                        }
                    }
                    item { Spacer(modifier = Modifier.height(20.dp)) }
                }
            }

            5 -> {
                // Permanent Audit Trail
                Text(
                    text = "Security Audit Trail & Governance",
                    fontWeight = FontWeight.Bold,
                    fontSize = 15.sp
                )
                Spacer(modifier = Modifier.height(8.dp))

                LazyColumn(
                    modifier = Modifier.weight(1f),
                    verticalArrangement = Arrangement.spacedBy(8.dp)
                ) {
                    items(auditLogs) { log ->
                        val dateStr = SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault()).format(Date(log.timestamp))
                        Card(
                            modifier = Modifier.fillMaxWidth(),
                            shape = RoundedCornerShape(8.dp),
                            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surface)
                        ) {
                            Column(modifier = Modifier.padding(10.dp)) {
                                Row(
                                    modifier = Modifier.fillMaxWidth(),
                                    horizontalArrangement = Arrangement.SpaceBetween
                                ) {
                                    Text(
                                        text = log.actionType,
                                        fontWeight = FontWeight.Bold,
                                        fontSize = 12.sp,
                                        fontFamily = FontFamily.Monospace,
                                        color = EmeraldPrimary
                                    )
                                    Text(dateStr, fontSize = 10.sp, color = Color.Gray)
                                }
                                Spacer(modifier = Modifier.height(2.dp))
                                Text(log.description, fontSize = 11.sp, color = MaterialTheme.colorScheme.onSurface)
                                Text("Actor Role: ${log.actorRole}", fontSize = 10.sp, color = Color(0xFF94A3B8))
                            }
                        }
                    }
                    item { Spacer(modifier = Modifier.height(20.dp)) }
                }
            }
        }
    }

    if (showAddCategoryModal) {
        var catName by remember { mutableStateOf("") }
        var catDesc by remember { mutableStateOf("") }
        var catColor by remember { mutableStateOf("#008069") }

        AlertDialog(
            onDismissRequest = { showAddCategoryModal = false },
            title = { Text("Create New Category") },
            text = {
                Column(
                    modifier = Modifier.fillMaxWidth(),
                    verticalArrangement = Arrangement.spacedBy(8.dp)
                ) {
                    OutlinedTextField(
                        value = catName,
                        onValueChange = { catName = it },
                        label = { Text("Category Name *") },
                        singleLine = true,
                        modifier = Modifier.fillMaxWidth()
                    )
                    OutlinedTextField(
                        value = catDesc,
                        onValueChange = { catDesc = it },
                        label = { Text("Description") },
                        modifier = Modifier.fillMaxWidth()
                    )
                }
            },
            confirmButton = {
                Button(
                    onClick = {
                        if (catName.isNotBlank()) {
                            viewModel.addCategory(catName, catDesc, catColor)
                            showAddCategoryModal = false
                        }
                    },
                    colors = ButtonDefaults.buttonColors(containerColor = EmeraldPrimary)
                ) {
                    Text("Save Category")
                }
            },
            dismissButton = {
                TextButton(onClick = { showAddCategoryModal = false }) { Text("Cancel") }
            }
        )
    }
}