@extends('backEnd.layouts.master')
@section('title', 'Add Coupon')

@section('content')
<div class="page-header">
    <div>
        <h4><i class="fas fa-ticket-alt me-2 text-success"></i>Add New Coupon</h4>
        <nav aria-label="breadcrumb">
            <ol class="breadcrumb mb-0">
                <li class="breadcrumb-item"><a href="{{ route('admin.dashboard') }}">Dashboard</a></li>
                <li class="breadcrumb-item"><a href="{{ route('admin.coupons.index') }}">Coupons</a></li>
                <li class="breadcrumb-item active">Add</li>
            </ol>
        </nav>
    </div>
</div>

<form action="{{ route('admin.coupons.store') }}" method="POST">
    @csrf
    <div class="row g-4">
        <div class="col-md-8">
            <div class="admin-card">
                <div class="admin-card-header"><h5>Coupon Details</h5></div>
                <div class="admin-card-body">
                    <div class="row g-3">
                        <div class="col-md-6">
                            <label class="form-label fw-600">Coupon Code *</label>
                            <div class="input-group">
                                <input type="text" name="code" class="form-control text-uppercase fw-bold @error('code') is-invalid @enderror"
                                       value="{{ old('code') }}" placeholder="e.g. SAVE20" required
                                       style="font-family: monospace; font-size: 1.1rem;">
                                <button type="button" class="btn btn-outline-secondary" onclick="generateCode()">
                                    <i class="fas fa-random"></i>
                                </button>
                            </div>
                            @error('code')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-600">Title (Optional)</label>
                            <input type="text" name="title" class="form-control" value="{{ old('title') }}"
                                   placeholder="e.g. Summer Sale Discount">
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-600">Discount Type *</label>
                            <select name="type" id="discountType" class="form-select" required onchange="toggleMaxDiscount()">
                                <option value="fixed" {{ old('type') == 'fixed' ? 'selected' : '' }}>৳ Fixed Amount</option>
                                <option value="percent" {{ old('type') == 'percent' ? 'selected' : '' }}>% Percentage</option>
                            </select>
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-600">Discount Value *</label>
                            <div class="input-group">
                                <span class="input-group-text" id="valuePrefix">৳</span>
                                <input type="number" name="value" class="form-control" value="{{ old('value') }}"
                                       step="0.01" min="0" placeholder="0" required>
                            </div>
                        </div>
                        <div class="col-md-6" id="maxDiscountField" style="display:none;">
                            <label class="form-label fw-600">Max Discount Amount</label>
                            <div class="input-group">
                                <span class="input-group-text">৳</span>
                                <input type="number" name="max_discount" class="form-control" value="{{ old('max_discount') }}"
                                       placeholder="Maximum discount cap">
                            </div>
                            <small class="text-muted">Leave empty for no cap</small>
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-600">Minimum Order Amount</label>
                            <div class="input-group">
                                <span class="input-group-text">৳</span>
                                <input type="number" name="min_order" class="form-control" value="{{ old('min_order', 0) }}"
                                       placeholder="0 = no minimum">
                            </div>
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-600">Maximum Uses</label>
                            <input type="number" name="max_uses" class="form-control" value="{{ old('max_uses', 0) }}"
                                   placeholder="0 = unlimited">
                            <small class="text-muted">0 = unlimited uses</small>
                        </div>
                        <div class="col-md-6">
                            <label class="form-label fw-600">Expiry Date</label>
                            <input type="date" name="expires_at" class="form-control" value="{{ old('expires_at') }}"
                                   min="{{ date('Y-m-d') }}">
                            <small class="text-muted">Leave empty = no expiry</small>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="col-md-4">
            <div class="admin-card">
                <div class="admin-card-header"><h5>Status & Preview</h5></div>
                <div class="admin-card-body">
                    <div class="form-check form-switch mb-4">
                        <input class="form-check-input" type="checkbox" name="status" id="statusToggle"
                               value="1" {{ old('status', 1) ? 'checked' : '' }}>
                        <label class="form-check-label fw-600" for="statusToggle">Coupon Active</label>
                    </div>

                    <div class="coupon-preview p-3 border-2 rounded text-center" style="border-style: dashed; background: #f8fff8;">
                        <div class="text-muted small mb-1">COUPON CODE</div>
                        <div class="fw-bold fs-4 font-monospace text-success" id="previewCode">SAVE20</div>
                        <div class="text-muted small mt-1" id="previewDesc">Discount on your order</div>
                    </div>

                    <div class="mt-4 d-flex flex-column gap-2">
                        <button type="submit" class="btn btn-primary">
                            <i class="fas fa-save me-1"></i>Save Coupon
                        </button>
                        <a href="{{ route('admin.coupons.index') }}" class="btn btn-outline-secondary">
                            <i class="fas fa-times me-1"></i>Cancel
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</form>
@endsection

@push('scripts')
<script>
document.querySelector('[name="code"]').addEventListener('input', function() {
    this.value = this.value.toUpperCase();
    document.getElementById('previewCode').textContent = this.value || 'COUPONCODE';
});

document.querySelector('[name="value"]').addEventListener('input', updatePreview);
document.getElementById('discountType').addEventListener('change', updatePreview);

function updatePreview() {
    const type = document.getElementById('discountType').value;
    const val = document.querySelector('[name="value"]').value;
    const desc = val ? (type === 'percent' ? val + '% ছাড়' : '৳' + val + ' ছাড়') : 'Discount on your order';
    document.getElementById('previewDesc').textContent = desc;
}

function toggleMaxDiscount() {
    const isPercent = document.getElementById('discountType').value === 'percent';
    document.getElementById('maxDiscountField').style.display = isPercent ? 'block' : 'none';
    document.getElementById('valuePrefix').textContent = isPercent ? '%' : '৳';
    updatePreview();
}

function generateCode() {
    const chars = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';
    let code = '';
    for (let i = 0; i < 8; i++) code += chars[Math.floor(Math.random() * chars.length)];
    document.querySelector('[name="code"]').value = code;
    document.getElementById('previewCode').textContent = code;
}

// Init
toggleMaxDiscount();
</script>
@endpush