@extends('layouts.app')

@section('title', 'Add Fund')

@section('main')
    <div class="min-h-screen bg-gradient-to-br from-slate-50 via-blue-50 to-indigo-50 dark:from-gray-900 dark:via-slate-900 dark:to-gray-900 py-12 flex items-center justify-center">
        <div class="w-full max-w-4xl mx-4">
            <!-- Main Card -->
            <div class="bg-white/80 dark:bg-gray-800/80 backdrop-blur-lg shadow-2xl rounded-2xl border border-white/20 dark:border-gray-700/50 overflow-hidden">
                <div class="bg-gradient-to-r from-blue-600 to-purple-600 p-4 text-center">
                    <div class="w-14 h-14 bg-white/20 backdrop-blur-sm rounded-full flex items-center justify-center mx-auto mb-2">
                        <i class="fas fa-wallet text-white text-xl"></i>
                    </div>
                    <h2 class="text-xl font-bold text-white">Add Funds</h2>
                    <p class="text-blue-100">Top up your account balance</p>
                </div>

                <!-- Balance Display -->
                <div class="p-4 text-center border-b border-gray-200/50 dark:border-gray-700/50">
                    <div class="bg-gradient-to-r from-green-50 to-emerald-50 dark:from-green-900/20 dark:to-emerald-900/20 rounded-xl p-3 border border-green-200/50 dark:border-green-700/50">
                        <p class="text-sm font-medium text-green-700 dark:text-green-300">Current Balance</p>
                        <div class="flex items-center justify-center space-x-2">
                            <span class="text-xl font-bold text-green-600 dark:text-green-400 currentBalance">{{ $user->balance * $currency->rate }}</span>
                            <span class="text-xl font-semibold text-green-600 dark:text-green-400">{{ $currency->icon }}</span>
                        </div>
                    </div>
                </div>

                <!-- Alert Messages -->
                <div class="px-8 pt-6">
                    @if (session("error"))
                        <div class="bg-red-50/80 dark:bg-red-900/20 backdrop-blur-sm border border-red-200 dark:border-red-800 text-red-700 dark:text-red-300 px-6 py-4 rounded-xl mb-6 flex items-center">
                            <i class="fas fa-exclamation-circle text-red-500 mr-3"></i>
                            <span>{{ session("error") }}</span>
                        </div>
                    @endif
                    @if (session("success"))
                        <div class="bg-green-50/80 dark:bg-green-900/20 backdrop-blur-sm border border-green-200 dark:border-green-800 text-green-700 dark:text-green-300 px-6 py-4 rounded-xl mb-6 flex items-center">
                            <i class="fas fa-check-circle text-green-500 mr-3"></i>
                            <span>{{ session("success") }}</span>
                        </div>
                    @endif
                </div>

                <form action="{{ route('add.fund') }}" method="POST" class="px-6 pb-6">
                    @csrf
                    <div class="px-md-5 my-4">
                        <label for="amount" class="w-full inline-block text-base text-gray-800 dark:text-gray-100 font-medium pb-1">Amount <span class="text-red-500">*</span></label>
                        <input type="number" min="0" class="w-full pl-4 pr-4 py-3 bg-gray-50/80 dark:bg-gray-700/80 backdrop-blur-sm border border-gray-200 dark:border-gray-600 rounded-xl text-gray-900 dark:text-white placeholder-gray-500 dark:placeholder-gray-400 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent transition-all duration-300 group-hover:border-blue-300 dark:group-hover:border-blue-600" id="amount" name="amount" value="0" placeholder="Enter amount">
                        @error('amount')
                            <p class="text-red-500 text-sm mt-1">{{ $message }}</p>
                        @enderror
                    </div>

                    <!-- Gateway Selection -->
                    <div>
                        <label class="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-4">
                            Payment Method <span class="text-red-500">*</span>
                        </label>
                        <div class="grid grid-cols-2 sm:grid-cols-3 gap-4">
                            @foreach ($gateways as $gateway)
                                <label class="cursor-pointer group">
                                    <input type="radio" name="gateway" value="{{ $gateway->name }}" class="hidden peer" required>
                                    <div class="p-4 gateway-img border-2 border-gray-200 dark:border-gray-600 rounded-xl flex flex-col items-center justify-center transition-all duration-300 peer-checked:border-blue-500 peer-checked:bg-gradient-to-r peer-checked:from-blue-50 peer-checked:to-purple-50 dark:peer-checked:from-blue-900/20 dark:peer-checked:to-purple-900/20 hover:shadow-lg hover:scale-105 group-hover:border-blue-300 dark:group-hover:border-blue-600">
                                        <div class="w-fill rounded-lg overflow-hidden mb-3 bg-white shadow-sm">
                                            <img class="w-full h-full object-contain p-2" src="{{ asset($gateway->image) }}" alt="{{ $gateway->name }}">
                                        </div>
                                        <span class="text-sm font-medium text-gray-700 dark:text-gray-300 text-center">{{ $gateway->name }}</span>
                                        <div class="absolute top-2 right-2 w-5 h-5 bg-blue-500 rounded-full flex items-center justify-center opacity-0 peer-checked:opacity-100 transition-opacity duration-300">
                                            <i class="fas fa-check text-white text-xs"></i>
                                        </div>
                                    </div>
                                </label>
                            @endforeach
                        </div>
                        @error("gateway")
                            <p class="text-red-500 text-sm mt-3 flex items-center">
                                <i class="fas fa-exclamation-triangle mr-2"></i>
                                {{ $message }}
                            </p>
                        @enderror
                    </div>

                    <!-- Calculation Summary -->
                    <div class="bg-gradient-to-r from-gray-50 to-blue-50 dark:from-gray-700/50 dark:to-blue-900/20 rounded-xl p-6 my-5 border border-gray-200/50 dark:border-gray-600/50">
                        <h3 class="text-lg font-semibold text-gray-900 dark:text-white mb-4 flex items-center">
                            <i class="fas fa-calculator text-blue-500 mr-2"></i>
                            Payment Summary
                        </h3>
                        <div class="space-y-3">
                            <div class="flex justify-between items-center text-gray-700 dark:text-gray-300">
                                <span>Deposit Amount</span>
                                <span class="font-medium">
                                    <span class="deposit">0.00</span> {{ $currency->icon }}
                                </span>
                            </div>
                            <div class="flex justify-between items-center text-gray-700 dark:text-gray-300">
                                <span>Gateway Fee (<span class="gatewayCharge">0</span>%)</span>
                                <span class="font-medium">
                                    <span class="gatewayFee">0.00</span> {{ $currency->icon }}
                                </span>
                            </div>
                            <div class="border-t border-gray-300 dark:border-gray-600 pt-3">
                                <div class="flex justify-between items-center text-lg font-bold text-gray-900 dark:text-white">
                                    <span>Total Amount</span>
                                    <span class="text-blue-600 dark:text-blue-400">
                                        <span class="totalAmount">0.00</span> {{ $currency->icon }}
                                    </span>
                                </div>
                            </div>
                        </div>
                    </div>

                    <!-- Balance After Deposit -->
                    <div class="text-center p-3 bg-gradient-to-r from-green-50 to-emerald-50 dark:from-green-900/20 dark:to-emerald-900/20 rounded-xl border border-green-200/50 dark:border-green-700/50">
                        <p class="text-sm text-green-700 dark:text-green-300">Balance after deposit</p>
                        <p class="text-xl font-bold text-green-600 dark:text-green-400">
                            <span class="balanceAfterDeposit">{{ $user->balance * $currency->rate }}</span> {{ $currency->icon }}
                        </p>
                    </div>

                    <!-- Submit Button -->
                    <button type="submit" class="group relative w-full mt-5 py-3 px-6 bg-gradient-to-r from-blue-600 to-purple-600 text-white font-semibold rounded-xl hover:from-blue-700 hover:to-purple-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 transform hover:scale-[1.02] transition-all duration-300 shadow-lg hover:shadow-xl">
                        <span class="relative z-10 flex items-center justify-center">
                            <i class="fas fa-credit-card mr-3 group-hover:animate-pulse"></i> Pay Now
                        </span>
                        <div class="absolute inset-0 bg-gradient-to-r from-blue-700 to-purple-700 rounded-xl opacity-0 group-hover:opacity-100 transition-opacity duration-300"></div>
                    </button>
                </form>
            </div>

            <!-- Security Notice -->
            <div class="mt-6 text-center">
                <div class="inline-flex items-center text-sm text-gray-600 dark:text-gray-400">
                    <i class="fas fa-shield-alt text-green-500 mr-2"></i>
                    <span>Secure payment processing with 256-bit SSL encryption</span>
                </div>
            </div>
        </div>
    </div>

    <script>
        const images = document.querySelectorAll('.gateway-img');
        const currentBalance = document.querySelector(".currentBalance");
        const afterDeposit = document.querySelector(".balanceAfterDeposit");
        const amountInput = document.querySelector("#amount");
        const gatewayFee = document.querySelector(".gatewayFee");
        const totalAmount = document.querySelector(".totalAmount");
        const gatewayCharge = document.querySelector(".gatewayCharge");
        const deposit = document.querySelector(".deposit");

        const gatewayRadios = document.querySelectorAll(".gateway");

        // Highlight selected gateway
        images.forEach((img) => {
            img.addEventListener('click', function () {
                images.forEach(i => i.style.border = '2px solid transparent');
                this.style.border = '2px solid #3b82f6';
                this.previousElementSibling.checked = true;
                fetchGatewayFees();
                depositBalance();
            });
        });

        // Auto-select the first gateway
        if (images.length > 0) {
            images[0].click();
        }

        function depositBalance() {
            if (amountInput.value) {
                deposit.innerHTML = amountInput.value
            } else {
                deposit.innerHTML = 0
            }
        }

        // Debounced input event for amount
        amountInput.addEventListener("input", debounce(() => {
            depositBalance();
            fetchGatewayFees();
        }, 300));

        // Update UI initially
        afterDeposit.innerHTML = currentBalance.innerHTML;

        // Handle gateway radio clicks (in case user clicks label/radio directly)
        gatewayRadios.forEach(radio => {
            radio.addEventListener("click", () => {
                fetchGatewayFees();
                depositBalance();
            });
        });

        function fetchGatewayFees() {
            const selectedGateway = document.querySelector('input[name="gateway"]:checked');
            const gatewayName = selectedGateway ? selectedGateway.value : '';

            const data = {
                amount: amountInput.value,
                gateway: gatewayName,
                balance: currentBalance.innerHTML
            };

            fetch('gateway-fees', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                    'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').getAttribute('content'),
                    'Accept': 'application/json'
                },
                body: JSON.stringify(data)
            })
            .then(response => {
                if (!response.ok) return response.json().then(err => Promise.reject(err));
                return response.json();
            })
            .then(response => {
                if (response.status) {
                    afterDeposit.innerHTML = response.balance_after_deposit;
                    totalAmount.innerHTML = response.total;
                    gatewayCharge.innerHTML = response.charge;
                    gatewayFee.innerHTML = response.gateway_fee;
                }
            })
        }

        // Debounce utility
        function debounce(func, delay) {
            let timeoutId;
            return function (...args) {
                clearTimeout(timeoutId);
                timeoutId = setTimeout(() => {
                    func(...args);
                }, delay);
            };
        }
    </script>
@endsection