@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();
@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>
                        <li class="breadcrumb-item"><a href="{{ route('coupons.index') }}">Coupons</a></li>
                        <li class="breadcrumb-item active" aria-current="page">Edit Coupon</li>
                    </ol>
                </nav>
            </div>
        </div>

        <hr />


        <div class="card">
            <div class="card-body">
                <h6 class="mb-1">Edit Coupon</h6>
                <p class="text-muted mb-4">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="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-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-4">
                            <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-4">
                            <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="{{ route('coupons.index') }}" class="btn btn-light border px-4">Back</a>
                        </div>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>

<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();
        }
    })();
</script>
@endsection