@extends('layouts.admin')
@section('title', 'User Management')
@section('content')
<div class="container-fluid">

    {{-- Header + Actions --}}
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h1 class="h3 mb-0">User Management</h1>
        <div class="d-flex gap-2">
            <button class="btn btn-success btn-sm" data-bs-toggle="modal" data-bs-target="#addUserModal">
                <i class="fas fa-user-plus"></i> Add User
            </button>
            <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#importUsersModal">
                <i class="fas fa-file-upload"></i> Upload Users
            </button>
        </div>
    </div>

    {{-- Flash / Validation --}}
    @if(session('status'))
        <div class="alert alert-success">{{ session('status') }}</div>
    @endif
    @if($errors->any())
        <div class="alert alert-danger">
            <strong>There were some problems with your input.</strong>
            <ul class="mb-0">
                @foreach($errors->all() as $e)
                    <li>{{ $e }}</li>
                @endforeach
            </ul>
        </div>
    @endif

    {{-- Stats --}}
    <div class="row mb-4 g-3">
        @foreach([['Total', $totals['total'], '#960000'], ['Active', $totals['active'], '#28a745'], ['Verified', $totals['verified'], '#007bff'], ['Suspended', $totals['suspended'] ?? 0, '#fd7e14']] as [$label, $count, $color])
            <div class="col-md-3">
                <div class="card text-white" style="background-color:{{ $color }}">
                    <div class="card-body">
                        <h2 class="mb-0">{{ $count }}</h2>
                        <p class="mb-0">{{ $label }}</p>
                    </div>
                </div>
            </div>
        @endforeach
    </div>

    {{-- Filters --}}
    <div class="card mb-4">
        <div class="card-body">
            <form method="GET" id="f" class="row g-3">
                <div class="col-md-3">
                    <select name="status" class="form-select" onchange="f.submit()">
                        <option value="">All Status</option>
                        @foreach(['active'=>'Active','inactive'=>'Inactive','suspended'=>'Suspended','verified'=>'Verified','unverified'=>'Unverified'] as $k=>$v)
                            <option value="{{ $k }}" {{ request('status')==$k?'selected':'' }}>{{ $v }}</option>
                        @endforeach
                    </select>
                </div>
                <div class="col-md-3">
                    <select name="role_id" class="form-select" onchange="f.submit()">
                        <option value="">All Roles</option>
                        @foreach($roles??[] as $r)
                            <option value="{{ $r->id }}" {{ request('role_id')==$r->id?'selected':'' }}>{{ $r->role }}</option>
                        @endforeach
                    </select>
                </div>
                <div class="col-md-6">
                    <div class="input-group">
                        <input type="text" name="search" class="form-control" placeholder="Search..." value="{{ request('search') }}">
                        <button class="btn btn-primary" type="submit"><i class="fas fa-search"></i></button>
                        @if(request()->hasAny(['search','status','role_id']))
                            <a href="{{ route('admin.users.index') }}" class="btn btn-outline-secondary"><i class="fas fa-times"></i></a>
                        @endif
                    </div>
                </div>
            </form>
        </div>
    </div>

    {{-- Table --}}
    <div class="card">
        <div class="table-responsive">
            <table class="table table-hover mb-0">
                <thead>
                    <tr>
                        <th>User</th><th>Email</th><th>Role</th><th>Status</th><th>Joined</th><th>Actions</th>
                    </tr>
                </thead>
                <tbody>
                    @forelse($users as $u)
                        <tr>
                            <td>
                                <div class="d-flex align-items-center">
                                    <div class="avatar">{{ substr($u->name??$u->email,0,1) }}</div>
                                    <div class="ms-2">
                                        <div class="fw-bold">{{ $u->name??'No Name' }}</div>
                                        <small class="text-muted">ID: {{ $u->id }}</small>
                                    </div>
                                </div>
                            </td>
                            <td>{{ $u->email }}</td>
                            <td><span class="badge bg-{{ $u->role?'primary':'secondary' }}">{{ $u->role?->role??'No Role' }}</span></td>
                            <td>
                                @php
                                    $statuses = ['active'=>'success','inactive'=>'danger','suspended'=>'warning'];
                                    $sColor = $statuses[$u->status] ?? 'secondary';
                                @endphp
                                <span class="badge bg-{{ $sColor }}">{{ ucfirst($u->status??'Unknown') }}</span>
                                <span class="badge bg-{{ $u->email_verified_at?'info':'warning' }}">{{ $u->email_verified_at?'Verified':'Unverified' }}</span>
                            </td>
                            <td><small>{{ $u->created_at?->format('M d, Y')??'Unknown' }}</small></td>
                            <td>
                                <div class="btn-group btn-group-sm">
                                    @if(Route::has('admin.users.show'))
                                        <a href="{{ route('admin.users.show', $u) }}" class="btn btn-outline-info">
                                            <i class="fas fa-eye"></i>
                                        </a>
                                    @endif
                                    @if($u->id !== auth()->id())
                                    <button type="button" class="btn btn-outline-danger"
                                        onclick="if(confirm('Delete user?')){
                                            const f = document.createElement('form');
                                            f.method = 'POST'; // <-- must be POST
                                            f.action = '{{ route('admin.users.destroy', $u) }}';
                                            f.style.display = 'none';

                                            const csrf = document.createElement('input');
                                            csrf.type = 'hidden';
                                            csrf.name = '_token';
                                            csrf.value = '{{ csrf_token() }}';
                                            f.appendChild(csrf);

                                            const method = document.createElement('input');
                                            method.type = 'hidden';
                                            method.name = '_method';
                                            method.value = 'DELETE';
                                            f.appendChild(method);

                                            document.body.appendChild(f);
                                            f.submit();
                                        }">
                                        <i class="fas fa-trash"></i>
                                    </button>
                                    @endif
                                </div>
                            </td>
                        </tr>
                    @empty
                        <tr>
                            <td colspan="6" class="text-center py-4">
                                <i class="fas fa-users fa-2x text-muted mb-2"></i>
                                <p class="text-muted mb-0">No users found</p>
                            </td>
                        </tr>
                    @endforelse
                </tbody>
            </table>
        </div>
        @if($users->hasPages())
            <div class="p-3 border-top">{{ $users->appends(request()->query())->links() }}</div>
        @endif
    </div>
</div>

{{-- Add User Modal --}}
<div class="modal fade" id="addUserModal" tabindex="-1" aria-labelledby="addUserLabel" aria-hidden="true">
  <div class="modal-dialog">
    <form method="POST" action="{{ url('admin/users') }}" class="modal-content">
      @csrf
      <div class="modal-header">
        <h5 class="modal-title" id="addUserLabel">Add User</h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
          <div class="mb-3">
              <label class="form-label">Name</label>
              <input type="text" name="name" class="form-control" required>
          </div>
          <div class="mb-3">
              <label class="form-label">Date of Birth</label>
              <input type="Date" name="date_of_birth" class="form-control" required>
          </div>
          <div class="mb-3">
              <label class="form-label">Email</label>
              <input type="email" name="email" class="form-control" required>
          </div>
          <div class="mb-3">
              <label class="form-label">Phone</label>
              <input type="tel" name="contact" class="form-control"
                    placeholder="+65 8450 8153"
                    pattern="^\+\d{1,3}(\s?\d{4,})+$"
                    required>
              <small class="form-text text-muted">
                  Format: +CountryCode Number (e.g. +65 9123 4567 or +6591234567)
              </small>
          </div>

          @if(!empty($roles))
          <div class="mb-3">
              <label class="form-label">Role</label>
              <select name="role_id" class="form-select">
                  <option value="">Select role</option>
                  @foreach($roles as $r)
                      <option value="{{ $r->id }}">{{ $r->role }}</option>
                  @endforeach
              </select>
          </div>
          @endif
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
        <button type="submit" class="btn btn-success">
            <i class="fas fa-save"></i> Create
        </button>
      </div>
    </form>
  </div>
</div>

{{-- Upload Users Modal --}}
<div class="modal fade" id="importUsersModal" tabindex="-1" aria-labelledby="importUsersLabel" aria-hidden="true">
  <div class="modal-dialog">
    <form method="POST" action="{{ url('admin/users/import') }}" enctype="multipart/form-data" class="modal-content">
      @csrf
      <div class="modal-header">
        <h5 class="modal-title" id="importUsersLabel">Upload Users (CSV / Excel)</h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
          <div class="mb-3">
              <label class="form-label">File</label>
              <input type="file" name="file" class="form-control" accept=".csv,.xlsx,.xls" required>
              <small class="text-muted">Accepted: .csv, .xlsx, .xls</small>
          </div>
          <div class="form-text">
              Example headers: <code>name,email,password,role_id,status</code>
          </div>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
        <button type="submit" class="btn btn-primary">
            <i class="fas fa-upload"></i> Import
        </button>
      </div>
    </form>
  </div>
</div>

<style>
.avatar{width:40px;height:40px;border-radius:50%;background:#960000;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:bold;text-transform:uppercase}
.card{border:none;box-shadow:0 .125rem .25rem rgba(0,0,0,.075);border-radius:.375rem}
.badge{font-size:.75em;margin-right:.25rem}
</style>
@endsection