@extends('layouts.app')

@section('title', 'Lead Stages — Settings')
@section('page-title', 'Lead Stages')

@section('content')

@if(session('deactivate_warning'))
@php $warn = session('deactivate_warning'); @endphp
<div class="alert alert-warning alert-dismissible border-0 shadow-sm mb-4">
    <i class="bi bi-exclamation-triangle me-2"></i>
    Stage <strong>{{ $warn['stage_name'] }}</strong> has <strong>{{ $warn['leads_count'] }}</strong> active lead(s).
    Choose a fallback stage before deactivating.
    <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
</div>

<div class="card border-0 shadow-sm mb-4 p-4" id="fallback-form-card">
    <h6 class="fw-semibold mb-3">Deactivate "{{ $warn['stage_name'] }}" — Select Fallback Stage</h6>
    <form method="POST" action="{{ route('admin.settings.lead-stages.toggle', $warn['stage_id']) }}"
          class="row g-3 align-items-end">
        @csrf @method('PATCH')
        <div class="col-md-5">
            <label class="form-label fw-medium">Move active leads to <span class="text-danger">*</span></label>
            <select name="fallback_stage_id" class="form-select" required>
                <option value="">— Select a stage —</option>
                @foreach($stages as $s)
                    @if($s->id != $warn['stage_id'] && $s->is_active)
                        <option value="{{ $s->id }}">{{ $s->name }}</option>
                    @endif
                @endforeach
            </select>
        </div>
        <div class="col-auto">
            <button type="submit" class="btn btn-warning">Confirm Deactivate</button>
            <a href="{{ route('admin.settings.lead-stages.index') }}" class="btn btn-light ms-1">Cancel</a>
        </div>
    </form>
</div>
@endif

<div class="d-flex justify-content-between align-items-center mb-4">
    <div>
        <h5 class="mb-0 fw-semibold">Lead Pipeline Stages</h5>
        <div class="text-muted small">Configure the stages a lead moves through. Drag rows to reorder.</div>
    </div>
    <button class="btn btn-primary btn-sm" data-bs-toggle="modal" data-bs-target="#addModal">
        <i class="bi bi-plus-lg me-1"></i> Add Stage
    </button>
</div>

<div class="card border-0 shadow-sm">
    <div class="table-responsive">
        <table class="table table-hover align-middle mb-0" id="stages-table">
            <thead class="table-light">
                <tr>
                    <th style="width:36px"></th>
                    <th>Stage Name</th>
                    <th class="text-center">Color</th>
                    <th class="text-center">Active Leads</th>
                    <th class="text-center">Flags</th>
                    <th class="text-center">Status</th>
                    <th class="text-end">Actions</th>
                </tr>
            </thead>
            <tbody id="sortable-stages">
                @foreach($stages as $stage)
                <tr data-id="{{ $stage->id }}">
                    <td class="text-muted" style="cursor:grab">
                        <i class="bi bi-grip-vertical"></i>
                    </td>
                    <td class="fw-medium">{{ $stage->name }}</td>
                    <td class="text-center">
                        <span class="badge" style="background-color: {{ $stage->color }}; min-width:80px">
                            {{ $stage->color }}
                        </span>
                    </td>
                    <td class="text-center">{{ $stage->active_leads_count }}</td>
                    <td class="text-center small">
                        @if($stage->is_default)
                            <span class="badge bg-primary bg-opacity-10 text-primary me-1">Default</span>
                        @endif
                        @if($stage->is_closed_won)
                            <span class="badge bg-success bg-opacity-10 text-success">Won</span>
                        @endif
                        @if($stage->is_closed_lost)
                            <span class="badge bg-danger bg-opacity-10 text-danger">Lost</span>
                        @endif
                    </td>
                    <td class="text-center">
                        @if($stage->is_active)
                            <span class="badge bg-success bg-opacity-10 text-success">Active</span>
                        @else
                            <span class="badge bg-secondary bg-opacity-10 text-secondary">Inactive</span>
                        @endif
                    </td>
                    <td class="text-end">
                        <button class="btn btn-sm btn-outline-secondary edit-btn"
                                data-id="{{ $stage->id }}"
                                data-name="{{ $stage->name }}"
                                data-color="{{ $stage->color }}"
                                data-bs-toggle="modal" data-bs-target="#editModal">
                            <i class="bi bi-pencil"></i>
                        </button>

                        <form method="POST"
                              action="{{ route('admin.settings.lead-stages.toggle', $stage) }}"
                              class="d-inline"
                              data-confirm="{{ $stage->is_active ? 'Deactivate' : 'Activate' }} stage &quot;{{ $stage->name }}&quot;?">
                            @csrf @method('PATCH')
                            <button type="submit"
                                    class="btn btn-sm {{ $stage->is_active ? 'btn-outline-warning' : 'btn-outline-success' }}">
                                <i class="bi bi-{{ $stage->is_active ? 'pause' : 'play' }}"></i>
                            </button>
                        </form>
                    </td>
                </tr>
                @endforeach
            </tbody>
        </table>
    </div>
</div>

{{-- Add Modal --}}
<div class="modal fade" id="addModal" tabindex="-1">
    <div class="modal-dialog">
        <form method="POST" action="{{ route('admin.settings.lead-stages.store') }}">
            @csrf
            <div class="modal-content border-0 shadow">
                <div class="modal-header border-0">
                    <h6 class="modal-title fw-semibold">Add Pipeline Stage</h6>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body row g-3">
                    <div class="col-12">
                        <label class="form-label fw-medium">Stage Name <span class="text-danger">*</span></label>
                        <input type="text" name="name"
                               class="form-control @error('name') is-invalid @enderror"
                               value="{{ old('name') }}" placeholder="e.g. Due Diligence" required maxlength="100">
                        @error('name') <div class="invalid-feedback">{{ $message }}</div> @enderror
                    </div>
                    <div class="col-12">
                        <label class="form-label fw-medium">Stage Color <span class="text-danger">*</span></label>
                        <div class="d-flex align-items-center gap-2">
                            <input type="color" name="color" id="add-color-picker"
                                   class="form-control form-control-color"
                                   value="{{ old('color', '#0d6efd') }}" title="Pick a color">
                            <span class="text-muted small">Click to pick a color</span>
                        </div>
                        @error('color') <div class="text-danger small mt-1">{{ $message }}</div> @enderror
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="button" class="btn btn-light" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Add Stage</button>
                </div>
            </div>
        </form>
    </div>
</div>

{{-- Edit Modal --}}
<div class="modal fade" id="editModal" tabindex="-1">
    <div class="modal-dialog">
        <form method="POST" id="editForm" action="">
            @csrf @method('PATCH')
            <div class="modal-content border-0 shadow">
                <div class="modal-header border-0">
                    <h6 class="modal-title fw-semibold">Edit Stage</h6>
                    <button type="button" class="btn-close" data-bs-dismiss="modal"></button>
                </div>
                <div class="modal-body row g-3">
                    <div class="col-12">
                        <label class="form-label fw-medium">Stage Name <span class="text-danger">*</span></label>
                        <input type="text" name="name" id="editName" class="form-control"
                               required maxlength="100">
                    </div>
                    <div class="col-12">
                        <label class="form-label fw-medium">Stage Color <span class="text-danger">*</span></label>
                        <div class="d-flex align-items-center gap-2">
                            <input type="color" name="color" id="editColorPicker"
                                   class="form-control form-control-color" title="Pick a color">
                            <span class="text-muted small">Click to pick a color</span>
                        </div>
                    </div>
                </div>
                <div class="modal-footer border-0">
                    <button type="button" class="btn btn-light" data-bs-dismiss="modal">Cancel</button>
                    <button type="submit" class="btn btn-primary">Save Changes</button>
                </div>
            </div>
        </form>
    </div>
</div>
@endsection

@push('scripts')
<script>
(function () {
    var baseUrl = '{{ url("admin/settings/lead-stages") }}';

    document.querySelectorAll('.edit-btn').forEach(function (btn) {
        btn.addEventListener('click', function () {
            document.getElementById('editForm').action = baseUrl + '/' + btn.dataset.id;
            document.getElementById('editName').value  = btn.dataset.name;
            document.getElementById('editColorPicker').value = btn.dataset.color;
        });
    });

    @if($errors->any() && old('name'))
        var addModal = new bootstrap.Modal(document.getElementById('addModal'));
        addModal.show();
    @endif

    // Drag-to-reorder using HTML5 drag events
    var tbody   = document.getElementById('sortable-stages');
    var dragging = null;

    if (tbody) {
        tbody.addEventListener('dragstart', function (e) {
            dragging = e.target.closest('tr');
            if (dragging) dragging.style.opacity = '0.5';
        });

        tbody.addEventListener('dragover', function (e) {
            e.preventDefault();
            var target = e.target.closest('tr');
            if (target && target !== dragging) {
                var rect = target.getBoundingClientRect();
                var mid  = rect.top + rect.height / 2;
                if (e.clientY < mid) {
                    tbody.insertBefore(dragging, target);
                } else {
                    tbody.insertBefore(dragging, target.nextSibling);
                }
            }
        });

        tbody.addEventListener('dragend', function () {
            if (dragging) dragging.style.opacity = '';
            dragging = null;
            saveOrder();
        });

        tbody.querySelectorAll('tr').forEach(function (row) {
            row.setAttribute('draggable', 'true');
        });
    }

    function saveOrder() {
        var ids = Array.from(tbody.querySelectorAll('tr')).map(function (r) {
            return r.dataset.id;
        });

        fetch('{{ route("admin.settings.lead-stages.reorder") }}', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
                'Accept': 'application/json',
            },
            body: JSON.stringify({ ids: ids }),
        }).then(function (res) {
            if (! res.ok) console.warn('Reorder request failed');
        });
    }
}());
</script>
@endpush