@extends('layouts.admin')

@section('title', setting('school_name', 'ShulePoint') . ' | Staff')
@section('page-title', 'Staff')

@section('content')
<div class="row">
    @foreach ([
        ['Total staff', number_format($stats['total'] ?? $staff->total()), 'fa-users', '#1a56db', route('staff.index')],
        ['Active', number_format($stats['active'] ?? 0), 'fa-user-check', '#16a34a', null],
        ['Designations', $designations->count(), 'fa-id-badge', '#8b5cf6', route('designations.index')],
        [(request('search') || request('status') || request('designation') || request('school_id') ? 'Filtered' : 'All'), (request('search') ? '“'.\Illuminate\Support\Str::limit(request('search'), 18).'”' : 'No active search'), 'fa-filter', '#f97316', (request()->hasAny(['search', 'status', 'designation', 'school_id']) ? route('staff.index') : null)],
    ] as [$label, $value, $icon, $color, $url])
        <div class="col-lg-3 col-6 mb-2">
            <div class="slim-stat">
                <span class="slim-icon" style="background:{{ $color }}14;color:{{ $color }};"><i class="fas {{ $icon }}"></i></span>
                <span style="line-height:1.1;"><strong>{{ $value }}</strong><span class="lbl">{{ $label }}</span></span>
                @if($url)<a href="{{ $url }}" class="ml-auto text-muted" title="Open"><i class="fas fa-arrow-right"></i></a>@endif
            </div>
        </div>
    @endforeach
</div>

{{-- Search / filter card --}}
<div class="card card-outline card-primary shadow-sm">
    <div class="card-header">
        <h3 class="card-title"><i class="fas fa-search mr-1"></i> Find staff</h3>
        <div class="card-tools">
            <a href="{{ route('staff.create') }}" class="btn btn-sm btn-primary"><i class="fas fa-user-plus mr-1"></i> Add Staff</a>
            <a href="{{ route('designations.index') }}" class="btn btn-sm btn-outline-info"><i class="fas fa-id-badge mr-1"></i> Designations</a>
            <a href="{{ route('staff.export', request()->query()) }}" class="btn btn-sm btn-outline-success"><i class="fas fa-file-csv mr-1"></i> Export</a>
            <a href="{{ route('staff.export-pdf', request()->query()) }}" class="btn btn-sm btn-outline-danger"><i class="fas fa-file-pdf mr-1"></i> PDF</a>
            <button type="button" class="btn btn-sm btn-outline-secondary" data-toggle="modal" data-target="#importModal"><i class="fas fa-file-import mr-1"></i> Import</button>
        </div>
    </div>
    <form method="GET" action="{{ route('staff.index') }}">
        <div class="card-body py-2">
            <div class="row">
                <div class="col-md-4">
                    <label class="small text-muted mb-1">Search name / staff no / TSC</label>
                    <div class="input-group input-group-sm">
                        <div class="input-group-prepend"><span class="input-group-text"><i class="fas fa-search"></i></span></div>
                        <input type="text" name="search" value="{{ request('search') }}" class="form-control" placeholder="e.g. Wanjiku, STF/001, TSC-...">
                    </div>
                </div>
                <div class="col-md-3">
                    <label class="small text-muted mb-1">Designation</label>
                    <select name="designation" class="form-control form-control-sm">
                        <option value="">All designations</option>
                        @foreach($designations as $d)
                            <option value="{{ $d->name }}" @selected(request('designation') === $d->name)>{{ $d->name }}</option>
                        @endforeach
                    </select>
                </div>
                @if(\App\Support\SchoolFilter::can())
                    <div class="col-md-3">
                        <label class="small text-muted mb-1">School</label>
                        <select name="school_id" class="form-control form-control-sm">
                            <option value="">{{ \App\Support\SchoolFilter::currentLabel() }}</option>
                            <option value="all" @selected(request('school_id') === 'all')>All schools</option>
                            @foreach(\App\Support\SchoolFilter::options() as $s)
                                <option value="{{ $s->id }}" @selected((string) request('school_id') === (string) $s->id)>{{ $s->name }}</option>
                            @endforeach
                        </select>
                    </div>
                @else
                    <div class="col-md-3">
                        <label class="small text-muted mb-1">Status</label>
                        <select name="status" class="form-control form-control-sm">
                            <option value="">All statuses</option>
                            @foreach(['active' => 'Active', 'inactive' => 'Inactive', 'on_leave' => 'On leave', 'retired' => 'Retired', 'terminated' => 'Terminated'] as $val => $label)
                                <option value="{{ $val }}" @selected(request('status') === $val)>{{ $label }}</option>
                            @endforeach
                        </select>
                    </div>
                @endif
                <div class="col-md-2 d-flex align-items-end">
                    <button type="submit" class="btn btn-sm btn-primary btn-block"><i class="fas fa-filter mr-1"></i> Filter</button>
                    @if(request()->hasAny(['search', 'status', 'designation', 'school_id']))
                        <a href="{{ route('staff.index') }}" class="btn btn-sm btn-outline-secondary ml-2" title="Clear"><i class="fas fa-times"></i></a>
                    @endif
                </div>
            </div>
            @if(request()->hasAny(['search', 'status', 'designation', 'school_id']))
                <div class="mt-2">
                    @if(request('search'))<span class="badge badge-info mr-1"><i class="fas fa-search mr-1"></i>{{ request('search') }}</span>@endif
                    @if(request('designation'))<span class="badge badge-primary mr-1">{{ request('designation') }}</span>@endif
                    @if(request('status'))<span class="badge badge-secondary mr-1">{{ ucfirst(str_replace('_', ' ', request('status'))) }}</span>@endif
                    @if(request('school_id') === 'all')<span class="badge badge-warning mr-1">All schools</span>
                    @elseif(request('school_id'))<span class="badge badge-warning mr-1">{{ \App\Support\SchoolFilter::options()->firstWhere('id', request('school_id'))->name ?? 'School' }}</span>@endif
                </div>
            @endif
        </div>
    </form>
</div>

{{-- Bulk action bar --}}
<div id="bulkBar" class="bulk-bar d-none">
    <div class="d-flex align-items-center flex-wrap">
        <span class="bulk-count mr-2"><strong id="bulkCount">0</strong> selected</span>
        <button type="button" class="btn btn-sm btn-light mr-1" data-toggle="modal" data-target="#bulkDesignationModal"><i class="fas fa-id-badge mr-1"></i> Assign designation</button>
        <button type="button" class="btn btn-sm btn-light mr-1" data-toggle="modal" data-target="#bulkStatusModal"><i class="fas fa-tag mr-1"></i> Set status</button>
        <a href="#" id="exportSelectedBtn" class="btn btn-sm btn-light mr-1"><i class="fas fa-file-csv mr-1"></i> Export selected</a>
        <button type="button" class="btn btn-sm btn-danger mr-1" data-toggle="modal" data-target="#bulkDeleteModal"><i class="fas fa-trash mr-1"></i> Delete</button>
        <button type="button" id="clearSelection" class="btn btn-sm btn-link text-white">Clear</button>
    </div>
    <small class="bulk-hint">Selection applies to this page only</small>
</div>

{{-- Table card --}}
<div class="card shadow-sm learner-card">
    <div class="card-header">
        <h3 class="card-title"><i class="fas fa-users mr-1"></i> Staff register
            <small class="text-muted ml-1">Showing {{ $staff->firstItem() ?? 0 }}–{{ $staff->lastItem() ?? 0 }} of {{ number_format($staff->total()) }}</small>
        </h3>
        <div class="card-tools">
            <span class="badge badge-light border" id="pageSelectedBadge" title="Selected on this page">0 on page</span>
        </div>
    </div>
    <div class="card-body table-responsive p-0">
        <table class="table learner-table table-hover text-nowrap mb-0">
            <thead>
                <tr>
                    <th class="col-check"><input type="checkbox" id="selectAll" title="Select all on page"></th>
                    <th>Staff member</th>
                    <th>Designation</th>
                    <th>TSC</th>
                    <th>Status</th>
                    @include('layouts.partials.school-th')
                    <th class="text-right">Actions</th>
                </tr>
            </thead>
            <tbody>
                @forelse($staff as $m)
                    @php
                        $initials = strtoupper(substr($m->first_name ?? '?', 0, 1) . substr($m->last_name ?? '', 0, 1));
                        $hue = ($m->id * 47) % 360;
                        $pill = $m->status === 'active' ? 'ok' : ($m->status === 'on_leave' ? 'warn' : 'muted');
                    @endphp
                    <tr data-row="{{ $m->id }}">
                        <td class="col-check"><input type="checkbox" class="row-check" value="{{ $m->id }}" aria-label="Select {{ $m->first_name }} {{ $m->last_name }}"></td>
                        <td>
                            <div class="d-flex align-items-center">
                                @if($m->photo)
                                    <img src="{{ asset('storage/' . $m->photo) }}" alt="{{ $m->first_name }} {{ $m->last_name }}" class="img-circle elevation-1 mr-2" style="width:34px;height:34px;object-fit:cover;flex-shrink:0;">
                                @else
                                    <span class="learner-avatar mr-2" style="background: linear-gradient(135deg, hsl({{ $hue }},60%,45%), hsl({{ ($hue + 40) % 360 }},65%,32%))">{{ $initials }}</span>
                                @endif
                                <div class="min-w-0">
                                    <a href="{{ route('staff.show', $m) }}" class="learner-name">{{ $m->first_name }} {{ $m->last_name }}</a>
                                    <div class="learner-meta">
                                        <span class="adm-chip"><i class="fas fa-id-badge"></i> {{ $m->staff_no }}</span>
                                        @if($m->gender)<span class="meta-sep">·</span><span class="text-capitalize">{{ $m->gender }}</span>@endif
                                    </div>
                                </div>
                            </div>
                        </td>
                        <td>
                            @if($m->designation)
                                <span class="class-pill">{{ $m->designation }}</span>
                            @else
                                <span class="text-muted">—</span>
                            @endif
                            <div class="small text-muted">{{ $m->department ?? 'No department' }}</div>
                        </td>
                        <td class="text-muted">{{ $m->tsc_no ?? '—' }}</td>
                        <td><span class="status-pill {{ $pill }}"><span class="dot"></span>{{ ucfirst(str_replace('_', ' ', $m->status)) }}</span></td>
                        @include('layouts.partials.school-td', ['schoolId' => $m->school_id ?? null])
                        <td class="text-right">
                            <div class="btn-group btn-group-sm" role="group">
                                <a href="{{ route('staff.show', $m) }}" class="btn btn-outline-info" title="View profile"><i class="fas fa-eye"></i></a>
                                <a href="{{ route('staff.edit', $m) }}" class="btn btn-outline-primary" title="Edit"><i class="fas fa-pen"></i></a>
                                <button type="button" class="btn btn-outline-danger" title="Remove" data-toggle="modal" data-target="#delete-{{ $m->id }}"><i class="fas fa-trash"></i></button>
                            </div>
                        </td>
                    </tr>
                @empty
                    <tr>
                        <td colspan="7" class="text-center py-5">
                            <i class="fas fa-users fa-3x text-muted mb-3"></i>
                            <p class="font-weight-bold mb-1">No staff found</p>
                            <p class="text-muted small mb-3">Try adjusting your search or add a new staff member.</p>
                            <a href="{{ route('staff.create') }}" class="btn btn-sm btn-primary"><i class="fas fa-user-plus mr-1"></i> Add Staff</a>
                            <a href="{{ route('staff.index') }}" class="btn btn-sm btn-outline-secondary">Clear filters</a>
                        </td>
                    </tr>
                @endforelse
            </tbody>
        </table>
    </div>
    <div class="card-footer d-flex justify-content-between align-items-center flex-wrap">
        <small class="text-muted">Page {{ $staff->currentPage() }} of {{ $staff->lastPage() }} · {{ number_format($staff->total()) }} total</small>
        <div class="mb-0">{{ $staff->appends(request()->query())->links() }}</div>
    </div>
</div>

{{-- Single delete confirmations --}}
@foreach($staff as $m)
<div class="modal fade" id="delete-{{ $m->id }}" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog modal-sm" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title">Remove staff?</h5>
                <button type="button" class="close" data-dismiss="modal"><span>&times;</span></button>
            </div>
            <div class="modal-body">
                <p class="mb-1">Remove <strong>{{ $m->first_name }} {{ $m->last_name }}</strong> ({{ $m->staff_no }})?</p>
                <small class="text-muted">This cannot be undone.</small>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary btn-sm" data-dismiss="modal">Cancel</button>
                <form method="POST" action="{{ route('staff.destroy', $m) }}" class="d-inline">@csrf @method('DELETE')
                    <button type="submit" class="btn btn-danger btn-sm">Delete</button>
                </form>
            </div>
        </div>
    </div>
</div>
@endforeach

{{-- Bulk: assign designation --}}
<div class="modal fade" id="bulkDesignationModal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog modal-sm" role="document">
        <form method="POST" action="{{ route('staff.bulk') }}" class="modal-content">@csrf
            <input type="hidden" name="action" value="designation">
            <div class="bulk-ids-holder"></div>
            <div class="modal-header"><h5 class="modal-title">Assign designation (<span class="bulk-modal-count">0</span>)</h5>
                <button type="button" class="close" data-dismiss="modal"><span>&times;</span></button></div>
            <div class="modal-body">
                <label class="small text-muted">Target designation</label>
                <select name="designation" class="form-control form-control-sm" required>
                    <option value="">— Select designation —</option>
                    @foreach($designations as $d)<option value="{{ $d->name }}">{{ $d->name }}</option>@endforeach
                </select>
                <small class="text-muted d-block mt-2"><a href="{{ route('designations.index') }}">Manage designations</a></small>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary btn-sm" data-dismiss="modal">Cancel</button>
                <button type="submit" class="btn btn-primary btn-sm">Apply</button>
            </div>
        </form>
    </div>
</div>

{{-- Bulk: set status --}}
<div class="modal fade" id="bulkStatusModal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog modal-sm" role="document">
        <form method="POST" action="{{ route('staff.bulk') }}" class="modal-content">@csrf
            <input type="hidden" name="action" value="status">
            <div class="bulk-ids-holder"></div>
            <div class="modal-header"><h5 class="modal-title">Set status (<span class="bulk-modal-count">0</span>)</h5>
                <button type="button" class="close" data-dismiss="modal"><span>&times;</span></button></div>
            <div class="modal-body">
                <label class="small text-muted">New status</label>
                <select name="status" class="form-control form-control-sm" required>
                    <option value="active">Active</option>
                    <option value="inactive">Inactive</option>
                    <option value="on_leave">On leave</option>
                    <option value="retired">Retired</option>
                    <option value="terminated">Terminated</option>
                </select>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary btn-sm" data-dismiss="modal">Cancel</button>
                <button type="submit" class="btn btn-primary btn-sm">Apply</button>
            </div>
        </form>
    </div>
</div>

{{-- Import modal --}}
<div class="modal fade" id="importModal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <form method="POST" action="{{ route('staff.import') }}" enctype="multipart/form-data" class="modal-content">@csrf
            <div class="modal-header">
                <h5 class="modal-title"><i class="fas fa-file-import mr-1"></i> Import staff (CSV)</h5>
                <button type="button" class="close" data-dismiss="modal"><span>&times;</span></button>
            </div>
            <div class="modal-body">
                <a href="{{ route('staff.template') }}" class="btn btn-sm btn-outline-primary btn-block mb-3"><i class="fas fa-download mr-1"></i> Download CSV template</a>
                <div class="custom-file">
                    <input type="file" name="file" accept=".csv,.txt" class="custom-file-input" id="importFile" required>
                    <label class="custom-file-label" for="importFile">Choose filled CSV file…</label>
                </div>
                <small class="text-muted d-block mt-2">Columns: <code>staff_no*, first_name*, last_name*, gender, phone, email, national_id, tsc_no, designation, department, join_date, status{{ (auth()->user()?->role ?? '') === 'admin' && \App\Support\CurrentSchool::multiEnabled() ? ', school_code' : '' }}</code> (*required). Dates as YYYY-MM-DD. Example rows are skipped automatically.</small>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary btn-sm" data-dismiss="modal">Cancel</button>
                <button type="submit" class="btn btn-primary btn-sm"><i class="fas fa-upload mr-1"></i> Import</button>
            </div>
        </form>
    </div>
</div>

{{-- Bulk: delete --}}
<div class="modal fade" id="bulkDeleteModal" tabindex="-1" role="dialog" aria-hidden="true">
    <div class="modal-dialog modal-sm" role="document">
        <form method="POST" action="{{ route('staff.bulk') }}" class="modal-content">@csrf
            <input type="hidden" name="action" value="delete">
            <div class="bulk-ids-holder"></div>
            <div class="modal-header"><h5 class="modal-title text-danger">Delete <span class="bulk-modal-count">0</span> staff member(s)?</h5>
                <button type="button" class="close" data-dismiss="modal"><span>&times;</span></button></div>
            <div class="modal-body"><p class="small text-muted mb-0">This permanently removes the selected staff. This cannot be undone.</p></div>
            <div class="modal-footer">
                <button type="button" class="btn btn-secondary btn-sm" data-dismiss="modal">Cancel</button>
                <button type="submit" class="btn btn-danger btn-sm">Delete selected</button>
            </div>
        </form>
    </div>
</div>
@endsection

@push('scripts')
<script>
(function () {
    var selectAll = document.getElementById('selectAll');
    var checks = Array.prototype.slice.call(document.querySelectorAll('.row-check'));
    var bulkBar = document.getElementById('bulkBar');
    var bulkCount = document.getElementById('bulkCount');
    var pageBadge = document.getElementById('pageSelectedBadge');
    var clearBtn = document.getElementById('clearSelection');
    var exportBtn = document.getElementById('exportSelectedBtn');
    var exportBase = @json(route('staff.export'));

    function selectedIds() {
        return checks.filter(function (c) { return c.checked; }).map(function (c) { return c.value; });
    }
    function refresh() {
        var ids = selectedIds();
        bulkCount.textContent = ids.length;
        pageBadge.textContent = ids.length + ' on page';
        bulkBar.classList.toggle('d-none', ids.length === 0);
        document.querySelectorAll('.bulk-modal-count').forEach(function (el) { el.textContent = ids.length; });
        document.querySelectorAll('.bulk-ids-holder').forEach(function (holder) {
            holder.innerHTML = '';
            ids.forEach(function (id) {
                var h = document.createElement('input');
                h.type = 'hidden'; h.name = 'ids[]'; h.value = id;
                holder.appendChild(h);
            });
        });
        exportBtn.href = ids.length ? exportBase + '?ids=' + encodeURIComponent(ids.join(',')) : '#';
        exportBtn.classList.toggle('disabled', ids.length === 0);
        checks.forEach(function (c) {
            var tr = c.closest('tr');
            if (tr) tr.classList.toggle('is-selected', c.checked);
        });
        if (selectAll) {
            selectAll.checked = ids.length > 0 && ids.length === checks.length;
            selectAll.indeterminate = ids.length > 0 && ids.length < checks.length;
        }
    }
    if (selectAll) {
        selectAll.addEventListener('change', function () {
            checks.forEach(function (c) { c.checked = selectAll.checked; });
            refresh();
        });
    }
    checks.forEach(function (c) { c.addEventListener('change', refresh); });
    if (clearBtn) {
        clearBtn.addEventListener('click', function () {
            checks.forEach(function (c) { c.checked = false; });
            refresh();
        });
    }
    if (exportBtn) {
        exportBtn.addEventListener('click', function (e) {
            if (!selectedIds().length) e.preventDefault();
        });
    }
    refresh();
})();
</script>
@endpush