@extends('layouts.app')

@section('content')
@php
    $discountType = old('discount_type', $coupon->discount_type ?? 'fixed');
    $status = old('status', $coupon->status ?? 'active');
    $validFromAt = old('valid_from_at', $coupon->valid_from_at ? $coupon->valid_from_at->format('Y-m-d\TH:i') : '');
    $expireAt = old('expire_at', $coupon->expire_at ? $coupon->expire_at->format('Y-m-d\TH:i') : '');
    $couponImageUrl = $coupon->getImageUrl('thumb') ?: $coupon->getImageUrl();
    $selectedPartnerId = old('partner_id', $coupon->is_user_created ? $coupon->user_id : '');
    $selectedType = old('type', $coupon->type ?? 'booking');
    $isSubscription = $selectedType === 'subscription';
@endphp
<div class="page-wrapper">
    <div class="page-content">
        <div class="page-breadcrumb d-none d-sm-flex align-items-center mb-3">
            <div class="ps-3">
                <nav aria-label="breadcrumb">
                    <ol class="breadcrumb mb-0 p-0">
                        <li class="breadcrumb-item"><a href="javascript:;"><i class="bx bx-home-alt"></i></a></li>
                        @if($isSubscription)
                            <li class="breadcrumb-item"><a href="{{ route('subscriptionManagement.index') }}">Subscription Plans</a></li>
                            <li class="breadcrumb-item"><a href="{{ route('coupons.index', ['type' => 'subscription']) }}">Subscription Coupons</a></li>
                            <li class="breadcrumb-item active" aria-current="page">Edit Subscription Coupon</li>
                        @else
                            <li class="breadcrumb-item"><a href="{{ route('coupons.index') }}">Coupons</a></li>
                            <li class="breadcrumb-item active" aria-current="page">Edit Coupon</li>
                        @endif
                    </ol>
                </nav>
            </div>
        </div>

        <hr />

        <div class="card">
            <div class="card-body">
                <h6 class="mb-1">{{ $isSubscription ? 'Edit Subscription Coupon' : 'Edit Coupon' }}</h6>
                <p class="text-muted mb-4">{{ $isSubscription ? 'Update subscription plan coupon details.' : 'Update coupon details.' }}</p>

                <form method="POST" action="{{ route('coupons.update', $coupon->id) }}" enctype="multipart/form-data">
                    @csrf
                    @method('PUT')

                    <div class="row g-3">
                        <div class="col-md-6">
                            <label for="type" class="form-label">Coupon For (Type) <span class="text-danger">*</span></label>
                            <select
                                id="type"
                                name="type"
                                class="form-select @error('type') is-invalid @enderror"
                                required
                            >
                                <option value="subscription" {{ $selectedType === 'subscription' ? 'selected' : '' }}>Subscription Plan</option>
                                <option value="booking" {{ $selectedType === 'booking' ? 'selected' : '' }}>Booking Service</option>
                            </select>
                            @error('type')
                                <div class="invalid-feedback d-block">{{ $message }}</div>
                            @enderror
                            <div class="form-text">Subscription ke liye 'Subscription Plan' select karein.</div>
                        </div>

                        <div class="col-md-6">
                            <label for="coupon_code" class="form-label">Coupon Code <span class="text-danger">*</span></label>
                            <input
                                type="text"
                                id="coupon_code"
                                name="coupon_code"
                                class="form-control @error('coupon_code') is-invalid @enderror"
                                value="{{ old('coupon_code', $coupon->coupon_code) }}"
                                placeholder="WELCOME50"
                                maxlength="100"
                                required
                            >
                            @error('coupon_code')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                            <div class="form-text">Spaces automatically remove ho jayenge aur code uppercase me save hoga.</div>
                        </div>

                        <div class="col-md-12" id="partner-select-wrapper" style="{{ $isSubscription ? 'display: none;' : '' }}">
                            <label for="partner_id" class="form-label">Select Partner (Optional)</label>
                            <select
                                id="partner_id"
                                name="partner_id"
                                class="form-select @error('partner_id') is-invalid @enderror"
                            >
                                <option value="">-- Admin Coupon (No Partner Selected) --</option>
                                @if(!empty($partners))
                                    @foreach($partners as $partner)
                                        <option value="{{ $partner->id }}" {{ (string) $selectedPartnerId === (string) $partner->id ? 'selected' : '' }}>
                                             {{ $partner->name ?: 'Partner #' . $partner->id }}{{ $partner->email ? ' (' . $partner->email . ')' : ($partner->phone_no ? ' (' . $partner->phone_no . ')' : '') }}
                                        </option>
                                    @endforeach
                                @endif
                            </select>
                            @error('partner_id')
                                <div class="invalid-feedback d-block">{{ $message }}</div>
                            @enderror
                            <div class="form-text">Partner coupon ke liye partner select karein (Booking coupons only).</div>
                        </div>

                        <div class="col-md-3">
                            <label for="discount_type" class="form-label">Discount Type <span class="text-danger">*</span></label>
                            <select
                                id="discount_type"
                                name="discount_type"
                                class="form-select @error('discount_type') is-invalid @enderror"
                                required
                            >
                                <option value="fixed" {{ $discountType === 'fixed' ? 'selected' : '' }}>Fixed</option>
                                <option value="percentage" {{ $discountType === 'percentage' ? 'selected' : '' }}>Percentage</option>
                            </select>
                            @error('discount_type')
                                <div class="invalid-feedback d-block">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-3">
                            <label for="discount_value" class="form-label">Discount Value <span class="text-danger">*</span></label>
                            <input
                                type="number"
                                step="0.01"
                                min="0.01"
                                id="discount_value"
                                name="discount_value"
                                class="form-control @error('discount_value') is-invalid @enderror"
                                value="{{ old('discount_value', $coupon->discount_value) }}"
                                placeholder="10"
                                required
                            >
                            @error('discount_value')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                            <div class="form-text" id="discount-value-hint"></div>
                        </div>

                        <div class="col-md-3">
                            <label for="valid_from_at" class="form-label">Valid From</label>
                            <input
                                type="datetime-local"
                                id="valid_from_at"
                                name="valid_from_at"
                                class="form-control @error('valid_from_at') is-invalid @enderror"
                                value="{{ $validFromAt }}"
                            >
                            @error('valid_from_at')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-3">
                            <label for="expire_at" class="form-label">Expire At</label>
                            <input
                                type="datetime-local"
                                id="expire_at"
                                name="expire_at"
                                class="form-control @error('expire_at') is-invalid @enderror"
                                value="{{ $expireAt }}"
                            >
                            @error('expire_at')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-4">
                            <label for="usage_limit" class="form-label">Usage Limit</label>
                            <input
                                type="number"
                                min="1"
                                id="usage_limit"
                                name="usage_limit"
                                class="form-control @error('usage_limit') is-invalid @enderror"
                                value="{{ old('usage_limit', $coupon->usage_limit) }}"
                                placeholder="Leave blank for unlimited"
                            >
                            @error('usage_limit')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-4">
                            <label for="status" class="form-label">Status <span class="text-danger">*</span></label>
                            <select
                                id="status"
                                name="status"
                                class="form-select @error('status') is-invalid @enderror"
                                required
                            >
                                <option value="active" {{ $status === 'active' ? 'selected' : '' }}>Active</option>
                                <option value="deactivated" {{ $status === 'deactivated' ? 'selected' : '' }}>Deactivated</option>
                            </select>
                            @error('status')
                                <div class="invalid-feedback d-block">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-md-4">
                            <label for="image" class="form-label">Coupon Image</label>
                            <input
                                type="file"
                                id="image"
                                name="image"
                                class="form-control @error('image') is-invalid @enderror"
                                accept="image/png,image/jpeg,image/jpg,image/webp"
                            >
                            @error('image')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                            <div class="form-text">Supported: JPG, PNG, WEBP. Max 5 MB.</div>
                        </div>

                        @if ($couponImageUrl)
                            <div class="col-md-4">
                                <label class="form-label d-block">Current Image</label>
                                <div class="border rounded p-2">
                                    <img
                                        src="{{ $couponImageUrl }}"
                                        alt="Coupon image"
                                        style="width:84px;height:84px;object-fit:cover;border-radius:10px;"
                                    >
                                    <div class="form-check mt-2">
                                        <input
                                            class="form-check-input"
                                            type="checkbox"
                                            value="1"
                                            id="remove_image"
                                            name="remove_image"
                                            {{ old('remove_image') ? 'checked' : '' }}
                                        >
                                        <label class="form-check-label" for="remove_image">
                                            Remove current image
                                        </label>
                                    </div>
                                </div>
                            </div>
                        @endif

                        <div class="col-12">
                            <label for="description" class="form-label">Description</label>
                            <textarea
                                id="description"
                                name="description"
                                class="form-control @error('description') is-invalid @enderror"
                                rows="4"
                                placeholder="Short coupon description"
                            >{{ old('description', $coupon->description) }}</textarea>
                            @error('description')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>

                        <div class="col-12 d-flex flex-wrap gap-2 mt-2">
                            <button type="submit" class="btn btn-primary px-4">Update Coupon</button>
                            <a href="{{ $isSubscription ? route('coupons.index', ['type' => 'subscription']) : route('coupons.index') }}" class="btn btn-light border px-4">Back</a>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
    (function() {
        const couponCodeInput = document.getElementById('coupon_code');
        const discountTypeInput = document.getElementById('discount_type');
        const discountValueHint = document.getElementById('discount-value-hint');

        function updateDiscountHint() {
            if (!discountTypeInput || !discountValueHint) {
                return;
            }

            discountValueHint.textContent = discountTypeInput.value === 'percentage'
                ? 'Percentage type me value 1 se 100 ke beech honi chahiye.'
                : 'Fixed type me value default currency amount ke hisab se save hogi.';
        }

        if (couponCodeInput) {
            couponCodeInput.addEventListener('input', function() {
                this.value = this.value.toUpperCase().replace(/\s+/g, '');
            });
        }

        if (discountTypeInput) {
            discountTypeInput.addEventListener('change', updateDiscountHint);
            updateDiscountHint();
        }
    })();

    $(function() {
        if ($.fn.select2) {
            $('#partner_id').select2({
                theme: 'bootstrap-5',
                width: '100%',
                placeholder: '-- Admin Coupon (No Partner Selected) --',
                allowClear: true
            });
        }

        const typeSelect = document.getElementById('type');
        const partnerWrapper = document.getElementById('partner-select-wrapper');

        function togglePartnerField() {
            if (!typeSelect || !partnerWrapper) return;
            if (typeSelect.value === 'subscription') {
                partnerWrapper.style.display = 'none';
                if ($('#partner_id').length) {
                    $('#partner_id').val('').trigger('change');
                }
            } else {
                partnerWrapper.style.display = '';
            }
        }

        if (typeSelect) {
            typeSelect.addEventListener('change', togglePartnerField);
            togglePartnerField();
        }
    });
</script>
@endpush