@extends('layouts.dashboard')

@section('content')
@include('customers._theme')
<div class="customer-ui max-w-5xl mx-auto space-y-6">

    @if(session('success'))
        <div class="alert alert-success rounded-3xl">
            <span>✅</span>
            <span>{{ session('success') }}</span>
        </div>
    @endif

    @if(session('error'))
        <div class="alert alert-error rounded-3xl">
            <span>⚠️</span>
            <span>{{ session('error') }}</span>
        </div>
    @endif

    <div>
        <a
            href="{{ route('customers.index') }}"
            class="btn btn-sm btn-ghost rounded-xl"
        >
            ← Back to Customers
        </a>

        <h1 class="text-4xl font-black mt-3">
            Import Customers
        </h1>

        <p class="text-base-content/50 mt-1">
            Upload XLSX, XLS, or CSV. Existing customers are updated by customer code or matching phone.
        </p>
    </div>

    <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
        <div class="lg:col-span-2 rounded-3xl border border-base-300 bg-base-100 p-6 shadow-sm">
            <form
                method="POST"
                action="{{ route('customers.import.store') }}"
                enctype="multipart/form-data"
                class="space-y-5"
            >
                @csrf

                <label class="form-control">
                    <span class="label-text font-black mb-2">
                        Customer File *
                    </span>

                    <input
                        type="file"
                        name="file"
                        required
                        accept=".xlsx,.xls,.csv,.txt"
                        class="file-input file-input-bordered w-full rounded-2xl"
                    >
                </label>

                @if(auth()->user()->isAdmin())
                    <label class="form-control">
                        <span class="label-text font-black mb-2">
                            Default Salesman
                        </span>

                        <select
                            name="default_salesman_id"
                            class="select select-bordered w-full rounded-2xl"
                        >
                            <option value="">
                                Use salesman column from the file
                            </option>

                            @foreach($salesmen as $salesman)
                                <option value="{{ $salesman->id }}">
                                    {{ $salesman->name }} — {{ $salesman->email }}
                                </option>
                            @endforeach
                        </select>

                        <span class="label-text-alt mt-2">
                            Used when a row has no salesman ID, name, or email.
                        </span>
                    </label>
                @else
                    <div class="rounded-2xl bg-base-200 p-4">
                        All imported customers will be assigned to
                        <strong>{{ auth()->user()->name }}</strong>.
                    </div>
                @endif

                <button class="btn btn-primary btn-lg w-full rounded-2xl">
                    📥 Import Customers
                </button>
            </form>
        </div>

        <div class="space-y-6">
            <div class="rounded-3xl border border-base-300 bg-base-100 p-6 shadow-sm">
                <h2 class="text-xl font-black">
                    📄 Template
                </h2>

                <p class="text-sm text-base-content/60 mt-2">
                    Download the recommended columns and example row.
                </p>

                <a
                    href="{{ route('customers.import.template') }}"
                    class="btn btn-outline w-full rounded-2xl mt-4"
                >
                    Download CSV Template
                </a>
            </div>

            <div class="rounded-3xl border border-base-300 bg-base-100 p-6 shadow-sm">
                <h2 class="text-xl font-black">
                    🔎 Matching Rules
                </h2>

                <ol class="list-decimal list-inside space-y-2 text-sm mt-4">
                    <li>Customer code</li>
                    <li>Normalized phone number</li>
                    <li>Exact shop name for the same salesman</li>
                </ol>

                <p class="text-xs text-base-content/50 mt-4">
                    Draft orders with matching customer details are linked automatically.
                </p>
            </div>
        </div>
    </div>

    @if(session('import_summary'))
        @php
            $summary = session('import_summary');
        @endphp

        <div class="rounded-3xl border border-base-300 bg-base-100 p-6 shadow-sm">
            <h2 class="text-2xl font-black">
                Import Result
            </h2>

            <div class="grid grid-cols-2 md:grid-cols-5 gap-3 mt-5">
                <div class="rounded-2xl bg-base-200 p-4">
                    <div class="text-xs">Rows</div>
                    <div class="text-2xl font-black">{{ $summary['total_rows'] }}</div>
                </div>

                <div class="rounded-2xl bg-success/10 p-4">
                    <div class="text-xs">Created</div>
                    <div class="text-2xl font-black text-success">{{ $summary['created'] }}</div>
                </div>

                <div class="rounded-2xl bg-info/10 p-4">
                    <div class="text-xs">Updated</div>
                    <div class="text-2xl font-black text-info">{{ $summary['updated'] }}</div>
                </div>

                <div class="rounded-2xl bg-error/10 p-4">
                    <div class="text-xs">Skipped</div>
                    <div class="text-2xl font-black text-error">{{ $summary['skipped'] }}</div>
                </div>

                <div class="rounded-2xl bg-primary/10 p-4">
                    <div class="text-xs">Orders Linked</div>
                    <div class="text-2xl font-black text-primary">{{ $summary['linked_orders'] }}</div>
                </div>
            </div>

            @if(!empty($summary['errors']))
                <div class="overflow-x-auto mt-6">
                    <table class="table">
                        <thead>
                            <tr>
                                <th>Row</th>
                                <th>Error</th>
                            </tr>
                        </thead>

                        <tbody>
                            @foreach($summary['errors'] as $error)
                                <tr>
                                    <td>{{ $error['row'] }}</td>
                                    <td class="text-error">{{ $error['message'] }}</td>
                                </tr>
                            @endforeach
                        </tbody>
                    </table>
                </div>
            @endif
        </div>
    @endif
</div>
@endsection