@extends('layouts.app')

@section('title', 'Edit Sensor: ' . $sensor->device_uuid)

@section('content')
<div class="container mx-auto px-4 py-6">
    <div class="max-w-3xl mx-auto">
        <div class="bg-white shadow-md rounded-lg p-6">
            <h1 class="text-2xl font-semibold text-gray-900 mb-6">Edit Sensor: {{ $sensor->device_uuid }}</h1>
            
            <form action="{{ route('sensors.update', $sensor->id) }}" method="POST">
                @csrf
                @method('PUT')
                
                <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                    <!-- Device UUID -->
                    <div class="col-span-2">
                        <label for="device_uuid" class="block text-sm font-medium text-gray-700">Device UUID *</label>
                        <input type="text" name="device_uuid" id="device_uuid" value="{{ old('device_uuid', $sensor->device_uuid) }}" required
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                        @error('device_uuid')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- QR Code -->
                    <div class="col-span-2">
                        <label for="qr_code" class="block text-sm font-medium text-gray-700">QR Code</label>
                        <input type="text" name="qr_code" id="qr_code" value="{{ old('qr_code', $sensor->qr_code) }}"
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                        @error('qr_code')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Gas Company -->
                    <div class="col-span-2 md:col-span-1">
                        <label for="gas_company_id" class="block text-sm font-medium text-gray-700">Gas Company *</label>
                        <select name="gas_company_id" id="gas_company_id" required
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                            @foreach(\App\Models\GasCompany::all() as $company)
                                <option value="{{ $company->id }}" {{ old('gas_company_id', $sensor->gas_company_id) == $company->id ? 'selected' : '' }}>
                                    {{ $company->name }}
                                </option>
                            @endforeach
                        </select>
                        @error('gas_company_id')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Firmware Version -->
                    <div class="col-span-2 md:col-span-1">
                        <label for="firmware_version" class="block text-sm font-medium text-gray-700">Firmware Version</label>
                        <input type="text" name="firmware_version" id="firmware_version" value="{{ old('firmware_version', $sensor->firmware_version) }}"
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                        @error('firmware_version')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Current Gas Level -->
                    <div class="col-span-2 md:col-span-1">
                        <label for="last_gas_level" class="block text-sm font-medium text-gray-700">Current Gas Level (%)</label>
                        <input type="number" name="last_gas_level" id="last_gas_level" min="0" max="100" value="{{ old('last_gas_level', $sensor->last_gas_level) }}" step="0.01"
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                        @error('last_gas_level')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Battery Level -->
                    <div class="col-span-2 md:col-span-1">
                        <label for="battery_level" class="block text-sm font-medium text-gray-700">Battery Level (%)</label>
                        <input type="number" name="battery_level" id="battery_level" min="0" max="100" value="{{ old('battery_level', $sensor->battery_level) }}"
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                        @error('battery_level')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Status -->
                    <div class="col-span-2 md:col-span-1">
                        <label for="status" class="block text-sm font-medium text-gray-700">Status *</label>
                        <select name="status" id="status" required
                            class="mt-1 block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                            <option value="online" {{ old('status', $sensor->status) === 'online' ? 'selected' : '' }}>Online</option>
                            <option value="offline" {{ old('status', $sensor->status) === 'offline' ? 'selected' : '' }}>Offline</option>
                            <option value="battery_low" {{ old('status', $sensor->status) === 'battery_low' ? 'selected' : '' }}>Battery Low</option>
                        </select>
                        @error('status')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Location -->
                    <div class="col-span-2">
                        <label class="block text-sm font-medium text-gray-700">Location</label>
                        <div class="mt-1 grid grid-cols-1 md:grid-cols-2 gap-4">
                            <div>
                                <label for="last_latitude" class="sr-only">Latitude</label>
                                <input type="number" name="last_latitude" id="last_latitude" step="0.000001" value="{{ old('last_latitude', $sensor->last_latitude) }}" placeholder="Latitude"
                                    class="block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                                @error('last_latitude')
                                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                                @enderror
                            </div>
                            <div>
                                <label for="last_longitude" class="sr-only">Longitude</label>
                                <input type="number" name="last_longitude" id="last_longitude" step="0.000001" value="{{ old('last_longitude', $sensor->last_longitude) }}" placeholder="Longitude"
                                    class="block w-full rounded-md border-gray-300 shadow-sm focus:border-primary-500 focus:ring-primary-500">
                                @error('last_longitude')
                                    <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                                @enderror
                            </div>
                        </div>
                        <div class="space-y-2">
                            <button type="button" id="test-button" class="mt-2 inline-flex items-center px-3 py-1.5 border border-blue-500 shadow-sm text-sm font-medium rounded-md text-blue-700 bg-blue-50 hover:bg-blue-100 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500">
                                <i class="fas fa-bug mr-2"></i>
                                Test JavaScript
                            </button>
                            
                            <button type="button" id="get-location" class="w-full mt-2 inline-flex items-center justify-center px-3 py-1.5 border border-gray-300 shadow-sm text-sm font-medium rounded-md text-gray-700 bg-white hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                                <svg class="-ml-0.5 mr-2 h-4 w-4 text-gray-400" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z" />
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 11a3 3 0 11-6 0 3 3 0 016 0z" />
                                </svg>
                                Use Current Location
                            </button>
                        </div>
                    </div>

                    <!-- Status -->
                    <div class="col-span-2">
                        <div class="flex items-center">
                            <input type="checkbox" name="is_active" id="is_active" value="1" {{ old('is_active', $sensor->is_active) ? 'checked' : '' }}
                                class="h-4 w-4 text-primary-600 focus:ring-primary-500 border-gray-300 rounded">
                            <label for="is_active" class="ml-2 block text-sm text-gray-700">
                                Active
                            </label>
                        </div>
                        @error('is_active')
                            <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Last Ping -->
                    <div class="col-span-2">
                        <p class="text-sm text-gray-500">
                            <span class="font-medium">Last Ping:</span> 
                            {{ $sensor->last_ping ? $sensor->last_ping->diffForHumans() : 'Never' }}
                        </p>
                    </div>
                </div>

                <div class="mt-8 flex justify-between items-center">
                    <div>
                        <a href="{{ route('sensors.show', $sensor->id) }}" class="text-sm font-medium text-primary-600 hover:text-primary-500">
                            View Sensor Details
                        </a>
                    </div>
                    <div class="flex space-x-3">
                        <a href="{{ route('sensors.index') }}" class="px-4 py-2 border border-gray-300 rounded-md text-sm font-medium text-gray-700 hover:bg-gray-50">
                            Cancel
                        </a>
                        <button type="submit" class="px-4 py-2 border border-transparent rounded-md shadow-sm text-sm font-medium text-white bg-primary-600 hover:bg-primary-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary-500">
                            Update Sensor
                        </button>
                    </div>
                </div>
            </form>
        </div>
    </div>
</div>

@section('scripts')
<script>
    console.log('Sensor edit page script loaded');
    
    // Test if JavaScript is working
    document.getElementById('test-button').addEventListener('click', function() {
        console.log('Test button clicked');
        alert('JavaScript is working! Now testing geolocation...');
        
        if (navigator.geolocation) {
            navigator.geolocation.getCurrentPosition(
                function(position) {
                    alert('Geolocation works! Your location: ' + 
                         position.coords.latitude + ', ' + position.coords.longitude);
                },
                function(error) {
                    alert('Geolocation error: ' + error.message);
                }
            );
        } else {
            alert('Geolocation is not supported by this browser.');
        }
    });
    
    // Main location functionality
    document.addEventListener('DOMContentLoaded', function() {
        const locationButton = document.getElementById('get-location');
        const form = document.querySelector('form');
        
        if (!locationButton) {
            console.error('Could not find location button');
            return;
        }
        
        // Prevent form submission when pressing Enter on location button
        locationButton.addEventListener('keydown', function(e) {
            if (e.key === 'Enter') {
                e.preventDefault();
                e.stopPropagation();
                return false;
            }
        });
        
        locationButton.addEventListener('click', function(e) {
            e.preventDefault();
            e.stopPropagation();
            
            // Disable button and show loading state
            const originalText = locationButton.innerHTML;
            locationButton.disabled = true;
            locationButton.innerHTML = `
                <svg class="animate-spin -ml-1 mr-2 h-4 w-4 text-gray-700" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                    <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
                    <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
                </svg>
                Getting location...
            `;
            
            // Check if geolocation is supported
            if (!navigator.geolocation) {
                showError('Geolocation is not supported by your browser');
                resetButton();
                return;
            }
            
            // Try to get current position
            navigator.geolocation.getCurrentPosition(
                // Success callback
                function(position) {
                    document.getElementById('last_latitude').value = position.coords.latitude.toFixed(6);
                    document.getElementById('last_longitude').value = position.coords.longitude.toFixed(6);
                    showSuccess('Location updated successfully!');
                    resetButton();
                },
                // Error callback
                function(error) {
                    let errorMessage = 'Unable to retrieve your location';
                    
                    switch(error.code) {
                        case error.PERMISSION_DENIED:
                            errorMessage = 'Location access was denied. Please allow location access in your browser settings.';
                            break;
                        case error.POSITION_UNAVAILABLE:
                            errorMessage = 'Location information is unavailable.';
                            break;
                        case error.TIMEOUT:
                            errorMessage = 'The request to get your location timed out. Please try again.';
                            break;
                        case error.UNKNOWN_ERROR:
                            errorMessage = 'An unknown error occurred while getting your location.';
                            break;
                    }
                    
                    showError(errorMessage);
                    resetButton();
                },
                // Options
                { enableHighAccuracy: true, timeout: 10000, maximumAge: 0 }
            );
            
            function resetButton() {
                locationButton.disabled = false;
                locationButton.innerHTML = `
                    <svg class="-ml-0.5 mr-2 h-4 w-4 text-gray-400" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z" />
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 11a3 3 0 11-6 0 3 3 0 016 0z" />
                    </svg>
                    Use Current Location
                `;
            }
            
            function showError(message) {
                // Remove any existing alerts
                const existingAlert = document.getElementById('location-alert');
                if (existingAlert) {
                    existingAlert.remove();
                }
                
                // Create and show new alert
                const alert = document.createElement('div');
                alert.id = 'location-alert';
                alert.className = 'mt-2 p-3 text-sm text-red-700 bg-red-100 rounded-md';
                alert.innerHTML = `
                    <div class="flex">
                        <svg class="h-5 w-5 text-red-500 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor">
                            <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd" />
                        </svg>
                        ${message}
                    </div>
                `;
                
                locationButton.parentNode.insertBefore(alert, locationButton.nextSibling);
            }
            
            function showSuccess(message) {
                // Remove any existing alerts
                const existingAlert = document.getElementById('location-alert');
                if (existingAlert) {
                    existingAlert.remove();
                }
                
                // Create and show success message
                const success = document.createElement('div');
                success.id = 'location-alert';
                success.className = 'mt-2 p-3 text-sm text-green-700 bg-green-100 rounded-md';
                success.innerHTML = `
                    <div class="flex">
                        <svg class="h-5 w-5 text-green-500 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor">
                            <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd" />
                        </svg>
                        ${message}
                    </div>
                `;
                
                locationButton.parentNode.insertBefore(success, locationButton.nextSibling);
                
                // Remove success message after 5 seconds
                setTimeout(() => {
                    if (success.parentNode) {
                        success.parentNode.removeChild(success);
                    }
                }, 5000);
            }
            
            // Configure geolocation options
            const options = {
                enableHighAccuracy: true,  // Try to get the most accurate position
                timeout: 10000,           // 10 seconds timeout
                maximumAge: 0             // Don't use a cached position
            };
            
            // Get current position
            navigator.geolocation.getCurrentPosition(
                // Success callback
                function(position) {
                    document.getElementById('last_latitude').value = position.coords.latitude.toFixed(6);
                    document.getElementById('last_longitude').value = position.coords.longitude.toFixed(6);
                    
                    // Show success message
                    showSuccess('Location updated successfully!');
                    resetButton();
                },
                // Error callback
                function(error) {
                    let errorMessage = 'Unable to retrieve your location';
                    
                    switch(error.code) {
                        case error.PERMISSION_DENIED:
                            errorMessage = 'Location access was denied. Please allow location access in your browser settings.';
                            break;
                        case error.POSITION_UNAVAILABLE:
                            errorMessage = 'Location information is unavailable.';
                            break;
                        case error.TIMEOUT:
                            errorMessage = 'The request to get your location timed out. Please try again.';
                            break;
                        case error.UNKNOWN_ERROR:
                            errorMessage = 'An unknown error occurred while getting your location.';
                            break;
                    }
                    
                    showError(errorMessage);
                    resetButton();
                },
                options
            );
            
            // Reset button state
            function resetButton() {
                locationButton.disabled = false;
                locationButton.innerHTML = `
                    <svg class="-ml-0.5 mr-2 h-4 w-4 text-gray-400" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z" />
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 11a3 3 0 11-6 0 3 3 0 016 0z" />
                    </svg>
                    Use Current Location
                `;
            }
            
            // Show error message
            function showError(message) {
                // Remove any existing alerts
                const existingAlert = document.getElementById('location-alert');
                if (existingAlert) {
                    existingAlert.remove();
                }
                
                // Create and show new alert
                const alert = document.createElement('div');
                alert.id = 'location-alert';
                alert.className = 'mt-2 p-3 text-sm text-red-700 bg-red-100 rounded-md';
                alert.innerHTML = `
                    <div class="flex">
                        <svg class="h-5 w-5 text-red-500 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor">
                            <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clip-rule="evenodd" />
                        </svg>
                        ${message}
                    </div>
                `;
                
                locationButton.parentNode.insertBefore(alert, locationButton.nextSibling);
            }
            
            // Show success message
            function showSuccess(message) {
                // Remove any existing alerts
                const existingAlert = document.getElementById('location-alert');
                if (existingAlert) {
                    existingAlert.remove();
                }
                
                // Create and show success message
                const success = document.createElement('div');
                success.id = 'location-alert';
                success.className = 'mt-2 p-3 text-sm text-green-700 bg-green-100 rounded-md';
                success.innerHTML = `
                    <div class="flex">
                        <svg class="h-5 w-5 text-green-500 mr-2" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 20 20" fill="currentColor">
                            <path fill-rule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z" clip-rule="evenodd" />
                        </svg>
                        ${message}
                    </div>
                `;
                
                locationButton.parentNode.insertBefore(success, locationButton.nextSibling);
                
                // Remove success message after 5 seconds
                setTimeout(() => {
                    if (success.parentNode) {
                        success.parentNode.removeChild(success);
                    }
                }, 5000);
            }
        });
    });
</script>
@endsection
@endsection