@extends('layouts.app')
@section('title', 'PCFMS Evidence — '.$uid)

@section('contents')
@php
    $project = $page['project'];
    $pc = $page['pc_form'];
    $fields = $page['fields'] ?? [];
    $files = $page['files'] ?? [];
    $fieldRows = collect($fields)->except(['_pc_form_id']);
@endphp
<x-layouts.page-wrapper
    title="PCFMS Evidence — {{ $uid }}"
    :breadcrumbs="[
        'Admin Controls' => null,
        'PCFMS Evidence' => route('admin-controls.pcfms-evidence.index'),
        $uid => null,
    ]"
>
    <div class="col-12 col-xl-11 mx-auto">
        <div class="mb-3">
            <a href="{{ route('admin-controls.pcfms-evidence.index') }}" class="btn btn-sm btn-outline-secondary">← Matched UIDs</a>
        </div>

        <div class="alert alert-secondary">
            {{ $page['warning'] ?? '' }}
            <div class="small mt-1 mb-0">Root: <code>{{ $page['attachments_root'] }}</code></div>
            <div class="small mt-1 mb-0 text-dark">
                If there are no fields to import but this UID has files, you can still Submit to link those files.
                UID folder files also appear on the scheme <strong>Document Repository</strong> tab without importing.
            </div>
        </div>

        <div class="card mb-3">
            <div class="card-header"><strong>Scheme / PC</strong></div>
            <div class="card-body">
                <dl class="row mb-0">
                    <dt class="col-sm-3">UID</dt><dd class="col-sm-9"><code>{{ $uid }}</code></dd>
                    <dt class="col-sm-3">ADP</dt><dd class="col-sm-9">{{ $project['adp_number'] !== '' ? $project['adp_number'] : '—' }}</dd>
                    <dt class="col-sm-3">Scheme</dt><dd class="col-sm-9">{{ $project['scheme_name'] }}</dd>
                    <dt class="col-sm-3">Target PC</dt>
                    <dd class="col-sm-9">#{{ $pc['id'] }} · {{ $pc['kind'] }} · state={{ $pc['state'] ?: '—' }} (unchanged on submit)</dd>
                    <dt class="col-sm-3">Already linked</dt><dd class="col-sm-9">{{ $page['existing_links'] ?? 0 }} file(s)</dd>
                </dl>
            </div>
        </div>

        <form method="post" action="{{ route('admin-controls.pcfms-evidence.submit', $uid) }}"
              onsubmit="return confirm('Submit evidence for {{ $uid }} onto PC #{{ $pc['id'] }}?\n\nEmpty fields only will be filled. Files are linked by path (not copied). Status will not change.');">
            @csrf

            <div class="card mb-3">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <strong>Fields found (select to import into empty PC slots)</strong>
                    <button type="button" class="btn btn-xs btn-outline-secondary" onclick="document.querySelectorAll('.pcfms-field-cb').forEach(function(c){c.checked=true})">Select all</button>
                </div>
                <div class="card-body p-0 table-responsive">
                    <table class="table table-sm mb-0">
                        <thead>
                            <tr>
                                <th style="width:40px"></th>
                                <th>Field</th>
                                <th>Source</th>
                                <th>Target</th>
                                <th>Value preview</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse ($fieldRows as $key => $item)
                                @php
                                    $preview = $item['value'] ?? '';
                                    if (($key ?? '') === 'proposed_cost' && is_array($preview)) {
                                        $pm = $preview['proposed_million'] ?? null;
                                        $src = $preview['source'] ?? '';
                                        $method = $preview['method'] ?? '';
                                        $parts = [];
                                        if ($pm !== null) {
                                            $parts[] = number_format((float) $pm, 3).' Million';
                                        }
                                        if (!empty($preview['capital_million'])) {
                                            $parts[] = 'Capital '.$preview['capital_million'];
                                        }
                                        if (!empty($preview['revenue_million'])) {
                                            $parts[] = 'Revenue '.$preview['revenue_million'];
                                        }
                                        $compCount = is_array($preview['components'] ?? null) ? count($preview['components']) : 0;
                                        if ($compCount > 0) {
                                            $parts[] = $compCount.' G.Abs line(s)';
                                        }
                                        if ($method !== '') {
                                            $parts[] = $method;
                                        }
                                        if ($src !== '') {
                                            $parts[] = $src;
                                        }
                                        $preview = implode(' · ', $parts);
                                    } elseif (is_array($preview)) {
                                        $preview = \Illuminate\Support\Str::limit(json_encode($preview, JSON_UNESCAPED_UNICODE), 220);
                                    } else {
                                        $preview = \Illuminate\Support\Str::limit((string) $preview, 220);
                                    }
                                @endphp
                                <tr>
                                    <td>
                                        <input type="checkbox" class="pcfms-field-cb" name="fields[{{ $key }}]" value="1" checked>
                                    </td>
                                    <td class="small"><strong>{{ $item['label'] ?? $key }}</strong><div class="text-muted">{{ $key }}</div></td>
                                    <td class="small">{{ $item['source'] ?? '—' }}</td>
                                    <td class="small">{{ $item['target'] ?? '—' }}</td>
                                    <td class="small">{{ $preview }}</td>
                                </tr>
                            @empty
                                <tr><td colspan="5" class="p-3 text-muted">No structured field candidates found (DB empty + no Office extract hits). You can still link files.</td></tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
                @if (!empty($page['office_notes']))
                    <div class="card-footer small text-muted">
                        <strong>Office extract notes:</strong>
                        <ul class="mb-0 pl-3">
                            @foreach (array_slice($page['office_notes'], 0, 40) as $note)
                                <li>{{ $note }}</li>
                            @endforeach
                        </ul>
                    </div>
                @endif
            </div>

            <div class="card mb-3">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <strong>Files to link in Document repository (PCFMS Data)</strong>
                    <button type="button" class="btn btn-xs btn-outline-secondary" onclick="document.querySelectorAll('.pcfms-file-cb').forEach(function(c){c.checked=true})">Select all</button>
                </div>
                <div class="card-body p-0 table-responsive">
                    <table class="table table-sm mb-0">
                        <thead>
                            <tr>
                                <th style="width:40px"></th>
                                <th>Group</th>
                                <th>File</th>
                                <th>Size</th>
                                <th>Office?</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse ($files as $file)
                                <tr>
                                    <td>
                                        <input type="checkbox" class="pcfms-file-cb" name="file_paths[]" value="{{ $file['relative_path'] }}" checked>
                                    </td>
                                    <td class="small text-nowrap">{{ $file['group_name'] }}</td>
                                    <td class="small">
                                        <div>{{ $file['title'] }}</div>
                                        <code class="text-muted">{{ $file['file_name'] }}</code>
                                    </td>
                                    <td class="small text-nowrap">{{ $file['size_label'] }}</td>
                                    <td>{{ !empty($file['is_office']) ? 'Yes (also mined for fields)' : '—' }}</td>
                                </tr>
                            @empty
                                <tr><td colspan="5" class="p-3 text-muted">No files in this UID folder.</td></tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>

            <div class="mb-4">
                <button type="submit" class="btn btn-success" @if(empty($files) && $fieldRows->isEmpty()) disabled @endif>
                    <i class="fas fa-check mr-1"></i> Submit (link files + fill empty fields)
                </button>
                @if(!empty($files) && $fieldRows->isEmpty())
                    <span class="small text-muted ml-2">No field candidates — Submit will still link the selected files.</span>
                @endif
            </div>
        </form>

        @php $batches = $page['batches'] ?? []; @endphp
        <div class="card mb-4">
            <div class="card-header"><strong>Import batches / Rollback</strong></div>
            <div class="card-body p-0 table-responsive">
                <table class="table table-sm mb-0">
                    <thead>
                        <tr>
                            <th>Batch</th>
                            <th>When</th>
                            <th>PC</th>
                            <th>Files</th>
                            <th>Fields</th>
                            <th>Status</th>
                            <th></th>
                        </tr>
                    </thead>
                    <tbody>
                        @forelse ($batches as $batch)
                            <tr>
                                <td>#{{ $batch['id'] }}</td>
                                <td class="small text-nowrap">{{ $batch['created_at'] ?? '—' }}</td>
                                <td>#{{ $batch['pc_form_id'] }}</td>
                                <td>{{ $batch['files_linked'] }}</td>
                                <td class="small">
                                    {{ $batch['fields_written'] }}
                                    @if(!empty($batch['written_keys']))
                                        <div class="text-muted">{{ implode(', ', $batch['written_keys']) }}</div>
                                    @endif
                                </td>
                                <td class="small">
                                    @if(!empty($batch['rolled_back_at']))
                                        <span class="badge badge-secondary">Rolled back</span>
                                        <div class="text-muted">{{ $batch['rolled_back_at'] }}</div>
                                        @if(!empty($batch['rollback_summary']))
                                            <div class="text-muted">{{ $batch['rollback_summary'] }}</div>
                                        @endif
                                    @else
                                        <span class="badge badge-success">Active</span>
                                    @endif
                                </td>
                                <td class="text-nowrap">
                                    @if(!empty($batch['can_rollback']))
                                        <form method="post" action="{{ route('admin-controls.pcfms-evidence.rollback', $batch['id']) }}"
                                              class="d-inline"
                                              onsubmit="return confirm('Rollback batch #{{ $batch['id'] }}?\n\nThis removes linked files from this batch and undoes field writes from that import (status/workflow untouched).');">
                                            @csrf
                                            <input type="hidden" name="uid" value="{{ $uid }}">
                                            <button type="submit" class="btn btn-xs btn-outline-danger">Rollback</button>
                                        </form>
                                    @else
                                        <span class="text-muted small">—</span>
                                    @endif
                                </td>
                            </tr>
                        @empty
                            <tr><td colspan="7" class="p-3 text-muted">No import batches yet for this UID.</td></tr>
                        @endforelse
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</x-layouts.page-wrapper>
@endsection