@extends('admin.layouts.app')

@section('title', '开通线索')
@section('page_title', '开通线索')

@section('content')
@php
    $incomingBack = (string) request()->query('back', '');
    // 为避免 & 被 Blade escape 成 & 导致回退上下文丢失，这里需要原样输出 href。
    // 安全护栏：必须为站内相对路径，并拒绝引号/尖括号，且拒绝 nested back。
    $safeBack = (str_starts_with($incomingBack, '/')
        && !preg_match('/["\'<>]/', $incomingBack)
        && !preg_match('/(?:^|[?&])back=/', $incomingBack))
        ? $incomingBack
        : '';


    // back 参数用于“返回上一页（保留上下文）”，但 back 本身不应再包含 back（避免无限嵌套导致 URL 膨胀）
    $currentQuery = request()->query();
    unset($currentQuery['back']);
    $selfWithoutBack = '/' . ltrim(request()->path(), '/');
    if (count($currentQuery) > 0) {
        $selfWithoutBack .= '?' . \Illuminate\Support\Arr::query($currentQuery);
    }

    // 从线索直达“创建平台订单”入口：预填 plan_id/remark，并带 back 回到当前线索列表（保留筛选）
    // 备注：如果线索 meta 中包含 merchant_id，也会一并预填（用于“已存在站点，但需补单/续费”的场景）
    $buildCreatePlatformOrderUrl = function (\App\Models\PlatformLead $l) use ($selfWithoutBack) {
        $remarkParts = array_filter([
            '线索#' . $l->id,
            $l->name,
            $l->mobile,
            $l->company,
            $l->email,
            // 后续可用于“从线索追溯来源页/入口”
            $l->source ? ('src:' . $l->source) : '',
        ], fn ($v) => (string) $v !== '');

        $q = [
            'order_type' => 'new_purchase',
            'back' => $selfWithoutBack,
            'remark' => mb_substr(implode(' / ', $remarkParts), 0, 220),
            // 轻量联动：从线索创建订单后，把线索标记为已转化（后续可再升级为“创建成功后回写”）
            'lead_id' => (int) $l->id,
        ];

        if ((int) $l->plan_id > 0) {
            $q['plan_id'] = (int) $l->plan_id;
        }

        $meta = is_array($l->meta) ? $l->meta : [];
        $merchantId = (int) ($meta['merchant_id'] ?? 0);
        if ($merchantId > 0) {
            $q['merchant_id'] = $merchantId;
        }

        return '/admin/platform-orders/create?' . \Illuminate\Support\Arr::query($q);
    };
@endphp

<div class="card mb-20">
    <p class="muted muted-tight">对外平台（/platform）收集的开通意向线索，用于前期 A（站点开通型）人工运营承接。</p>

    @if($safeBack)
        <div class="mt-10">
            <a href="{!! $safeBack !!}" class="muted">← 返回上一页（保留上下文）</a>
        </div>
    @endif
    <p class="muted">后续会在此处逐步接入：一键生成站点/订阅/平台订单、跟进记录、转化漏斗与治理提示。</p>
</div>

<div class="card mb-20">
    <h3>筛选</h3>
    <form method="get" action="/admin/platform-leads" class="grid-3">
        <select name="status">
            <option value="">全部状态</option>
            @foreach(($statusLabels ?? []) as $v => $label)
                <option value="{{ $v }}" @selected(($filters['status'] ?? '') === $v)>{{ $label }}</option>
            @endforeach
        </select>
        <input name="keyword" placeholder="关键词：姓名/手机号/邮箱/公司" value="{{ $filters['keyword'] ?? '' }}">
        <input type="number" name="lead_id" placeholder="线索ID（可选）" value="{{ $filters['lead_id'] ?? '' }}">
        <div>
            <button type="submit">应用筛选</button>
        </div>
    </form>
</div>

<div class="card">
    <h3>线索列表</h3>
    <div class="muted mb-10">当前阶段仅提供查询与筛选；已补“从线索创建订单”入口，先把收费闭环跑起来。</div>

    <table class="table">
        <thead>
        <tr>
            <th>ID</th>
            <th>状态</th>
            <th>姓名</th>
            <th>手机号</th>
            <th>邮箱</th>
            <th>公司</th>
            <th>套餐ID</th>
            <th>来源</th>
            <th>创建时间</th>
            <th>操作</th>
        </tr>
        </thead>
        <tbody>
        @forelse($leads as $l)
            <tr>
                <td>{{ $l->id }}</td>
                <td>
                    <div class="actions">
                        <span>{{ $statusLabels[$l->status] ?? $l->status }}</span>

                        @php
                            // 轻量运营流转：仅展示“下一步可能动作”，减少噪音/误点。
                            $nextActions = [];
                            switch ((string) $l->status) {
                                case 'new':
                                    $nextActions = ['contacted', 'converted', 'closed'];
                                    break;
                                case 'contacted':
                                    $nextActions = ['qualified', 'converted', 'closed'];
                                    break;
                                case 'qualified':
                                    $nextActions = ['converted', 'closed'];
                                    break;
                                case 'converted':
                                    $nextActions = ['closed'];
                                    break;
                                default:
                                    $nextActions = [];
                            }

                            $actionLabels = [
                                'contacted' => ['text' => '标记已联系', 'class' => 'btn-secondary btn-sm'],
                                'qualified' => ['text' => '标记已确认需求', 'class' => 'btn-secondary btn-sm'],
                                'converted' => ['text' => '标记已转化', 'class' => 'btn btn-sm'],
                                'closed' => ['text' => '关闭', 'class' => 'btn-danger btn-sm'],
                            ];
                        @endphp

                        @foreach($nextActions as $status)
                            <form method="post" action="/admin/platform-leads/{{ $l->id }}/set-status" class="inline-form">
                                @csrf
                                <input type="hidden" name="status" value="{{ $status }}">
                                <button type="submit" class="{{ $actionLabels[$status]['class'] ?? 'btn-secondary btn-sm' }}">{{ $actionLabels[$status]['text'] ?? $status }}</button>
                            </form>
                        @endforeach
                    </div>
                </td>
                <td>{{ $l->name }}</td>
                <td>{{ $l->mobile }}</td>
                <td>{{ $l->email }}</td>
                <td>{{ $l->company }}</td>
                <td>{{ $l->plan_id ?: '-' }}</td>
                <td>{{ $l->source }}</td>
                <td>{{ optional($l->created_at)->format('Y-m-d H:i:s') }}</td>
                <td>
                    <div class="actions">
                        <a class="btn btn-sm" href="{!! $buildCreatePlatformOrderUrl($l) !!}">创建订单</a>

                        @php
                            $viewOrdersUrl = '/admin/platform-orders?' . \Illuminate\Support\Arr::query([
                                'lead_id' => $l->id,
                                'back' => $selfWithoutBack,
                            ]);
                        @endphp
                        <a class="btn-secondary btn-sm" href="{!! $viewOrdersUrl !!}">查看订单</a>
                    </div>
                </td>
            </tr>
        @empty
            <tr>
                <td colspan="10" class="muted">暂无线索</td>
            </tr>
        @endforelse
        </tbody>
    </table>

    <div class="mt-10">
        {{ $leads->links() }}
    </div>
</div>
@endsection