@extends('layouts.app')
@section('title', 'Edit Route')
@section('content')
<div class="max-w-3xl mx-auto">
    <div class="mb-6">
        <a href="{{ route('routes.index') }}" class="text-slate-600 hover:text-slate-800 text-sm">
            ← Back to Routes
        </a>
    </div>

    <h1 class="text-2xl font-bold text-slate-800 mb-6">Edit Route</h1>

    <form method="POST" action="{{ route('routes.update', $route->id) }}" id="routeForm" class="bg-white rounded-lg shadow-sm border border-slate-200 p-6 space-y-5">
        @csrf
        @method('PUT')

        <div class="grid grid-cols-3 gap-4">
            <div>
                <label for="airline_id" class="block text-sm font-medium text-slate-700 mb-1">Airline *</label>
                <select name="airline_id" id="airline_id" required
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border @error('airline_id') border-red-500 @enderror">
                    <option value="">Select Airline</option>
                    @foreach(\App\Models\Airline::orderBy('name')->get() as $airline)
                        <option value="{{ $airline->id }}" {{ $route->airline_id == $airline->id ? 'selected' : '' }}>{{ $airline->name }}</option>
                    @endforeach
                </select>
                @error('airline_id')
                    <span class="text-sm text-red-600 mt-1">{{ $message }}</span>
                @enderror
            </div>

            <div>
                <label for="route_type" class="block text-sm font-medium text-slate-700 mb-1">Route Type *</label>
                <select name="route_type" id="route_type" required
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border @error('route_type') border-red-500 @enderror"
                    onchange="toggleRouteFields()">
                    <option value="">Select</option>
                    <option value="oneway_inbound" {{ $route->route_type->value == 'oneway_inbound' ? 'selected' : '' }}>Oneway - Inbound</option>
                    <option value="oneway_outbound" {{ $route->route_type->value == 'oneway_outbound' ? 'selected' : '' }}>Oneway - Outbound</option>
                    <option value="round" {{ $route->route_type->value == 'round' ? 'selected' : '' }}>Round</option>
                    <option value="multi_city" {{ $route->route_type->value == 'multi_city' ? 'selected' : '' }}>Multi City</option>
                </select>
                @error('route_type')
                    <span class="text-sm text-red-600 mt-1">{{ $message }}</span>
                @enderror
            </div>

            <div>
                <label for="flight_type" class="block text-sm font-medium text-slate-700 mb-1">Flight Type *</label>
                <select name="flight_type" id="flight_type" required
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border @error('flight_type') border-red-500 @enderror"
                    onchange="toggleTransitFields()">
                    <option value="">Select</option>
                    <option value="direct" {{ $route->flight_type->value == 'direct' ? 'selected' : '' }}>Direct</option>
                    <option value="transit" {{ $route->flight_type->value == 'transit' ? 'selected' : '' }}>Transit</option>
                </select>
                @error('flight_type')
                    <span class="text-sm text-red-600 mt-1">{{ $message }}</span>
                @enderror
            </div>
        </div>

        <div id="cityGrid" class="grid gap-4 grid-cols-3">
            <div id="fromField" class="{{ in_array($route->route_type->value, ['oneway_inbound', 'oneway_outbound', 'round']) ? '' : 'hidden' }}">
                <label for="from_city_id" class="block text-sm font-medium text-slate-700 mb-1">From *</label>
                <select name="from_city_id" id="from_city_id"
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border @error('from_city_id') border-red-500 @enderror">
                    <option value="">Select</option>
                    @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                        <option value="{{ $city->id }}" {{ $route->from_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                    @endforeach
                </select>
                @error('from_city_id')
                    <span class="text-sm text-red-600 mt-1">{{ $message }}</span>
                @enderror
            </div>

            <div id="toField" class="{{ in_array($route->route_type->value, ['oneway_inbound', 'oneway_outbound', 'round']) ? '' : 'hidden' }}">
                <label for="to_city_id" class="block text-sm font-medium text-slate-700 mb-1">To *</label>
                <select name="to_city_id" id="to_city_id"
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border @error('to_city_id') border-red-500 @enderror">
                    <option value="">Select</option>
                    @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                        <option value="{{ $city->id }}" {{ $route->to_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                    @endforeach
                </select>
                @error('to_city_id')
                    <span class="text-sm text-red-600 mt-1">{{ $message }}</span>
                @enderror
            </div>

            <div id="returnField" class="{{ $route->route_type->value == 'round' ? '' : 'hidden' }}">
                <label for="return_city_id" class="block text-sm font-medium text-slate-700 mb-1">Return To *</label>
                <select name="return_city_id" id="return_city_id"
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border @error('return_city_id') border-red-500 @enderror">
                    <option value="">Select</option>
                    @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                        <option value="{{ $city->id }}" {{ $route->return_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                    @endforeach
                </select>
                @error('return_city_id')
                    <span class="text-sm text-red-600 mt-1">{{ $message }}</span>
                @enderror
            </div>
        </div>

        <div id="multiCityFields" class="hidden">
            <h4 class="text-sm font-medium text-slate-600 mb-3 pb-2 border-b border-slate-200">Multi City Segments</h4>
            <div id="segmentsContainer" class="space-y-3">
                <div class="grid grid-cols-2 gap-4">
                    <div>
                        <label class="block text-sm text-slate-600 mb-1">Inbound From</label>
                        <select name="segments[0][from_city_id]" class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border">
                            <option value="">Select</option>
                            @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                                <option value="{{ $city->id }}" {{ isset($route->multiSegments[0]) && $route->multiSegments[0]->from_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label class="block text-sm text-slate-600 mb-1">Inbound To</label>
                        <select name="segments[0][to_city_id]" class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border">
                            <option value="">Select</option>
                            @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                                <option value="{{ $city->id }}" {{ isset($route->multiSegments[0]) && $route->multiSegments[0]->to_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                            @endforeach
                        </select>
                    </div>
                </div>
                <input type="hidden" name="segments[0][segment_direction]" value="inbound">
                <div class="grid grid-cols-2 gap-4">
                    <div>
                        <label class="block text-sm text-slate-600 mb-1">Outbound From</label>
                        <select name="segments[1][from_city_id]" class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border">
                            <option value="">Select</option>
                            @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                                <option value="{{ $city->id }}" {{ isset($route->multiSegments[1]) && $route->multiSegments[1]->from_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                            @endforeach
                        </select>
                    </div>
                    <div>
                        <label class="block text-sm text-slate-600 mb-1">Outbound To</label>
                        <select name="segments[1][to_city_id]" class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border">
                            <option value="">Select</option>
                            @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                                <option value="{{ $city->id }}" {{ isset($route->multiSegments[1]) && $route->multiSegments[1]->to_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                            @endforeach
                        </select>
                    </div>
                </div>
                <input type="hidden" name="segments[1][segment_direction]" value="outbound">
            </div>
        </div>

        <div id="transitFields" class="hidden grid grid-cols-2 gap-4">
            <div>
                <label for="transit_city_id" class="block text-sm font-medium text-slate-700 mb-1">Transit City</label>
                <select name="transits[0][transit_city_id]" id="transit_city_id"
                    class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border">
                    <option value="">Select</option>
                    @foreach(\App\Models\CityCode::orderBy('code')->get() as $city)
                        <option value="{{ $city->id }}" {{ isset($route->transits[0]) && $route->transits[0]->transit_city_id == $city->id ? 'selected' : '' }}>{{ $city->code }} ({{ $city->city_name }})</option>
                    @endforeach
                </select>
            </div>
            <div>
                <label class="block text-sm font-medium text-slate-700 mb-1">Transit Time</label>
                <div class="flex items-center gap-2">
                    <input type="number" name="transits[0][transit_hours]" id="transit_hours" min="0" max="23"
                        class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border"
                        value="{{ isset($route->transits[0]) ? floor($route->transits[0]->transit_time / 60) : '' }}"
                        placeholder="HH">
                    <span class="text-slate-500 font-medium">:</span>
                    <input type="number" name="transits[0][transit_minutes]" id="transit_minutes" min="0" max="59"
                        class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border"
                        value="{{ isset($route->transits[0]) ? $route->transits[0]->transit_time % 60 : '' }}"
                        placeholder="MM">
                </div>
            </div>
        </div>

        <div class="mt-4">
            <label class="block text-sm font-medium text-slate-700 mb-1">Additional Gap (Days)</label>
            <input type="number" name="additional_gap" min="0" class="block w-full rounded-md border-slate-300 shadow-sm focus:border-slate-500 focus:ring-slate-500 sm:text-sm px-3 py-2 border" placeholder="0" value="{{ old('additional_gap', $route->additional_gap) }}">
        </div>

        <div class="pt-4 flex items-center gap-4">
            <button type="submit" class="px-4 py-2 bg-slate-800 text-white rounded-md hover:bg-slate-700 transition">
                Update Route
            </button>
            <a href="{{ route('routes.index') }}" class="text-slate-600 hover:text-slate-800 text-sm">
                Cancel
            </a>
        </div>
    </form>
</div>

<script>
function toggleRouteFields() {
    const routeType = document.getElementById('route_type').value;
    const fromField = document.getElementById('fromField');
    const toField = document.getElementById('toField');
    const returnField = document.getElementById('returnField');
    const multiCityFields = document.getElementById('multiCityFields');
    const cityGrid = document.getElementById('cityGrid');

    fromField.classList.add('hidden');
    toField.classList.add('hidden');
    returnField.classList.add('hidden');
    multiCityFields.classList.add('hidden');

    // Reset grid classes before adding new one
    cityGrid.classList.remove('grid-cols-2', 'grid-cols-3');

    if (routeType === 'oneway_inbound' || routeType === 'oneway_outbound') {
        fromField.classList.remove('hidden');
        toField.classList.remove('hidden');
        cityGrid.classList.add('grid-cols-2');
    } else if (routeType === 'round') {
        fromField.classList.remove('hidden');
        toField.classList.remove('hidden');
        returnField.classList.remove('hidden');
        cityGrid.classList.add('grid-cols-3');
    } else if (routeType === 'multi_city') {
        multiCityFields.classList.remove('hidden');
        cityGrid.classList.add('grid-cols-3');
    } else {
        // Default to 3 columns for initial load or unknown state
        cityGrid.classList.add('grid-cols-3');
    }
}

function toggleTransitFields() {
    const flightType = document.getElementById('flight_type').value;
    const transitFields = document.getElementById('transitFields');

    if (flightType === 'transit') {
        transitFields.classList.remove('hidden');
    } else {
        transitFields.classList.add('hidden');
    }
}

document.addEventListener('DOMContentLoaded', function() {
    toggleRouteFields();
    toggleTransitFields();
});
</script>
@endsection