import 'dart:async';
import 'package:flutter/material.dart';
import 'package:get_it/get_it.dart';
import '../../../../shared/design_system/unionflow_design_v2.dart';
import '../../../../shared/design_system/components/uf_app_bar.dart';
import '../../../../core/constants/app_constants.dart';
import '../../../../features/organizations/domain/repositories/organization_repository.dart';

/// Annuaire des Membres - Design UnionFlow
class MembersPageWithDataAndPagination extends StatefulWidget {
  final List<Map<String, dynamic>> members;
  final int totalCount;
  final int currentPage;
  final int totalPages;
  final Function(int page, String? recherche) onPageChanged;
  final VoidCallback onRefresh;
  final void Function(String? query)? onSearch;
  final VoidCallback? onAddMember;
  /// null = SUPER_ADMIN (vue globale, affiche l'organisation sur chaque carte)
  final String? organisationId;
  /// Callback déclenché quand l'admin active un membre en attente
  final void Function(String memberId)? onActivateMember;
  /// Callback déclenché quand l'admin réinitialise le mot de passe d'un membre
  final void Function(String memberId)? onResetPassword;
  /// Callback déclenché quand le superadmin affecte un membre à une organisation
  final void Function(String memberId, String organisationId)? onAffecterOrganisation;
  /// Callback pour les actions de cycle de vie adhésion (admin org)
  final void Function(String memberId, String action, String? motif)? onLifecycleAction;

  const MembersPageWithDataAndPagination({
    super.key,
    required this.members,
    required this.totalCount,
    required this.currentPage,
    required this.totalPages,
    required this.onPageChanged,
    required this.onRefresh,
    this.onSearch,
    this.onAddMember,
    this.organisationId,
    this.onActivateMember,
    this.onResetPassword,
    this.onAffecterOrganisation,
    this.onLifecycleAction,
  });

  @override
  State<MembersPageWithDataAndPagination> createState() => _MembersPageWithDataAndPaginationState();
}

class _MembersPageWithDataAndPaginationState extends State<MembersPageWithDataAndPagination> {
  final TextEditingController _searchController = TextEditingController();
  String _searchQuery = '';
  String _filterStatus = 'Tous';
  Timer? _searchDebounce;

  // Organisations pour le picker d'affectation (superadmin)
  List<Map<String, String>> _organisationsPicker = [];

  bool get _isSuperAdmin => widget.organisationId == null;

  @override
  void dispose() {
    _searchDebounce?.cancel();
    _searchController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: UnionFlowColors.background,
      appBar: UFAppBar(
        title: 'Annuaire Membres',
        backgroundColor: UnionFlowColors.surface,
        foregroundColor: UnionFlowColors.textPrimary,
        actions: [
          if (widget.onAddMember != null)
            IconButton(
              icon: const Icon(Icons.person_add_outlined),
              color: UnionFlowColors.unionGreen,
              onPressed: widget.onAddMember,
              tooltip: 'Ajouter un membre',
            ),
          const SizedBox(width: 8),
        ],
      ),
      body: Column(
        children: [
          _buildHeader(),
          _buildSearchAndFilters(),
          Expanded(child: _buildMembersList()),
          if (widget.totalPages > 1) _buildPagination(),
        ],
      ),
    );
  }

  // ── Header ────────────────────────────────────────────────────────────────

  Widget _buildHeader() {
    final pageMembers = widget.members;
    final activeCount = pageMembers.where((m) => m['status'] == 'Actif').length;
    final pendingCount = pageMembers.where((m) => m['status'] == 'En attente').length;

    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
      decoration: BoxDecoration(
        color: UnionFlowColors.surface,
        border: Border(bottom: BorderSide(color: UnionFlowColors.border.withOpacity(0.5), width: 1)),
      ),
      child: Row(
        children: [
          Expanded(child: _buildStatBadge('Total', widget.totalCount.toString(), UnionFlowColors.unionGreen, subtitle: 'global')),
          const SizedBox(width: 8),
          Expanded(child: _buildStatBadge('Actifs', activeCount.toString(), UnionFlowColors.success, subtitle: 'cette page')),
          const SizedBox(width: 8),
          Expanded(child: _buildStatBadge('Attente', pendingCount.toString(), UnionFlowColors.warning, subtitle: 'cette page')),
        ],
      ),
    );
  }

  Widget _buildStatBadge(String label, String value, Color color, {String? subtitle}) {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 7, horizontal: 6),
      decoration: BoxDecoration(
        color: color.withOpacity(0.08),
        borderRadius: BorderRadius.circular(8),
        border: Border.all(color: color.withOpacity(0.25), width: 1),
      ),
      child: Column(
        children: [
          Text(value, style: TextStyle(fontSize: 18, fontWeight: FontWeight.w800, color: color)),
          Text(label, style: TextStyle(fontSize: 10, fontWeight: FontWeight.w600, color: color)),
          if (subtitle != null)
            Text(subtitle, style: TextStyle(fontSize: 9, color: color.withOpacity(0.6))),
        ],
      ),
    );
  }

  // ── Recherche + Filtres ────────────────────────────────────────────────────

  Widget _buildSearchAndFilters() {
    return Container(
      padding: const EdgeInsets.fromLTRB(12, 10, 12, 10),
      decoration: BoxDecoration(
        color: UnionFlowColors.surface,
        border: Border(bottom: BorderSide(color: UnionFlowColors.border.withOpacity(0.5), width: 1)),
      ),
      child: Column(
        children: [
          TextField(
            controller: _searchController,
            onChanged: (v) {
              setState(() => _searchQuery = v);
              _searchDebounce?.cancel();
              _searchDebounce = Timer(AppConstants.searchDebounce, () {
                widget.onSearch?.call(v.isEmpty ? null : v);
              });
            },
            style: const TextStyle(fontSize: 14, color: UnionFlowColors.textPrimary),
            decoration: InputDecoration(
              hintText: 'Nom, email, numéro membre...',
              hintStyle: const TextStyle(fontSize: 13, color: UnionFlowColors.textTertiary),
              prefixIcon: const Icon(Icons.search, size: 20, color: UnionFlowColors.textSecondary),
              suffixIcon: _searchQuery.isNotEmpty
                  ? IconButton(
                      icon: const Icon(Icons.clear, size: 18, color: UnionFlowColors.textSecondary),
                      onPressed: () {
                        _searchDebounce?.cancel();
                        _searchController.clear();
                        setState(() => _searchQuery = '');
                        widget.onSearch?.call(null);
                      },
                    )
                  : null,
              contentPadding: const EdgeInsets.symmetric(vertical: 11, horizontal: 14),
              border: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: BorderSide(color: UnionFlowColors.border.withOpacity(0.3))),
              enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: BorderSide(color: UnionFlowColors.border.withOpacity(0.3))),
              focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(12), borderSide: const BorderSide(color: UnionFlowColors.unionGreen, width: 1.5)),
              filled: true,
              fillColor: UnionFlowColors.surfaceVariant.withOpacity(0.3),
            ),
          ),
          const SizedBox(height: 10),
          SingleChildScrollView(
            scrollDirection: Axis.horizontal,
            child: Row(
              children: [
                _buildFilterChip('Tous'),
                const SizedBox(width: 8),
                _buildFilterChip('Actif'),
                const SizedBox(width: 8),
                _buildFilterChip('Inactif'),
                const SizedBox(width: 8),
                _buildFilterChip('En attente'),
              ],
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildFilterChip(String label) {
    final isSelected = _filterStatus == label;
    return GestureDetector(
      onTap: () => setState(() => _filterStatus = label),
      child: AnimatedContainer(
        duration: const Duration(milliseconds: 150),
        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
        decoration: BoxDecoration(
          color: isSelected ? UnionFlowColors.unionGreen : Colors.transparent,
          borderRadius: BorderRadius.circular(20),
          border: Border.all(color: isSelected ? UnionFlowColors.unionGreen : UnionFlowColors.border, width: 1),
        ),
        child: Text(
          label,
          style: TextStyle(
            fontSize: 12,
            fontWeight: FontWeight.w600,
            color: isSelected ? Colors.white : UnionFlowColors.textSecondary,
          ),
        ),
      ),
    );
  }

  // ── Liste ─────────────────────────────────────────────────────────────────

  Widget _buildMembersList() {
    final filtered = widget.members.where((m) {
      final matchesSearch = _searchQuery.isEmpty ||
          (m['name'] as String? ?? '').toLowerCase().contains(_searchQuery.toLowerCase()) ||
          (m['email'] as String? ?? '').toLowerCase().contains(_searchQuery.toLowerCase()) ||
          (m['numeroMembre'] as String? ?? '').toLowerCase().contains(_searchQuery.toLowerCase());
      final matchesStatus = _filterStatus == 'Tous' || m['status'] == _filterStatus;
      return matchesSearch && matchesStatus;
    }).toList();

    if (filtered.isEmpty) return _buildEmptyState();

    return RefreshIndicator(
      onRefresh: () async => widget.onRefresh(),
      color: UnionFlowColors.unionGreen,
      child: ListView.separated(
        padding: const EdgeInsets.fromLTRB(12, 12, 12, 12),
        itemCount: filtered.length,
        separatorBuilder: (_, __) => const SizedBox(height: 6),
        itemBuilder: (context, index) => _buildMemberCard(filtered[index]),
      ),
    );
  }

  // ── Carte membre ──────────────────────────────────────────────────────────

  Widget _buildMemberCard(Map<String, dynamic> member) {
    final String? orgName = member['organisationNom'] as String?;
    final String? numero = member['numeroMembre'] as String?;
    final String status = member['status'] as String? ?? '?';

    return GestureDetector(
      onTap: () => _showMemberDetails(member),
      child: Container(
        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
        decoration: BoxDecoration(
          color: UnionFlowColors.surface,
          borderRadius: BorderRadius.circular(10),
          border: Border.all(color: UnionFlowColors.border.withOpacity(0.3), width: 1),
        ),
        child: Row(
          children: [
            // Avatar
            Container(
              width: 38,
              height: 38,
              decoration: const BoxDecoration(gradient: UnionFlowColors.primaryGradient, shape: BoxShape.circle),
              alignment: Alignment.center,
              child: Text(
                member['initiales'] as String? ?? '??',
                style: const TextStyle(color: Colors.white, fontWeight: FontWeight.w700, fontSize: 14),
              ),
            ),
            const SizedBox(width: 12),
            // Infos principales
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  // Nom + numéro
                  Row(
                    children: [
                      Expanded(
                        child: Text(
                          member['name'] as String? ?? 'Inconnu',
                          style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: UnionFlowColors.textPrimary),
                          overflow: TextOverflow.ellipsis,
                        ),
                      ),
                      if (numero != null && numero.isNotEmpty) ...[
                        const SizedBox(width: 6),
                        Text(
                          numero,
                          style: const TextStyle(fontSize: 10, fontWeight: FontWeight.w500, color: UnionFlowColors.textTertiary),
                        ),
                      ],
                    ],
                  ),
                  const SizedBox(height: 2),
                  // Rôle
                  Text(
                    member['role'] as String? ?? 'Membre',
                    style: const TextStyle(fontSize: 12, color: UnionFlowColors.textSecondary),
                  ),
                  // Organisation (SUPER_ADMIN uniquement)
                  if (_isSuperAdmin && orgName != null && orgName.isNotEmpty) ...[
                    const SizedBox(height: 3),
                    Row(
                      children: [
                        const Icon(Icons.business_outlined, size: 11, color: UnionFlowColors.unionGreen),
                        const SizedBox(width: 4),
                        Expanded(
                          child: Text(
                            orgName,
                            style: const TextStyle(fontSize: 11, color: UnionFlowColors.unionGreen, fontWeight: FontWeight.w500),
                            overflow: TextOverflow.ellipsis,
                          ),
                        ),
                      ],
                    ),
                  ],
                  // Email
                  if (member['email'] != null) ...[
                    const SizedBox(height: 3),
                    Row(
                      children: [
                        const Icon(Icons.email_outlined, size: 11, color: UnionFlowColors.textTertiary),
                        const SizedBox(width: 4),
                        Expanded(
                          child: Text(
                            member['email'] as String,
                            style: const TextStyle(fontSize: 11, color: UnionFlowColors.textTertiary),
                            overflow: TextOverflow.ellipsis,
                          ),
                        ),
                      ],
                    ),
                  ],
                ],
              ),
            ),
            const SizedBox(width: 8),
            _buildStatusBadge(status),
          ],
        ),
      ),
    );
  }

  Widget _buildStatusBadge(String status) {
    final (Color color, IconData icon) = switch (status) {
      'Actif'       => (UnionFlowColors.success, Icons.check_circle_outline),
      'Inactif'     => (UnionFlowColors.error, Icons.cancel_outlined),
      'En attente'  => (UnionFlowColors.warning, Icons.schedule_outlined),
      'Suspendu'    => (const Color(0xFF9E9E9E), Icons.block_outlined),
      _             => (UnionFlowColors.textSecondary, Icons.help_outline),
    };
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
      decoration: BoxDecoration(
        color: color.withOpacity(0.1),
        borderRadius: BorderRadius.circular(12),
        border: Border.all(color: color.withOpacity(0.3), width: 1),
      ),
      child: Row(
        mainAxisSize: MainAxisSize.min,
        children: [
          Icon(icon, size: 11, color: color),
          const SizedBox(width: 4),
          Text(status, style: TextStyle(fontSize: 11, fontWeight: FontWeight.w600, color: color)),
        ],
      ),
    );
  }

  // ── État vide ─────────────────────────────────────────────────────────────

  Widget _buildEmptyState() {
    final hasActiveFilters = _filterStatus != 'Tous' || _searchQuery.isNotEmpty;
    return Center(
      child: Padding(
        padding: const EdgeInsets.all(32),
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Container(
              padding: const EdgeInsets.all(18),
              decoration: const BoxDecoration(color: UnionFlowColors.unionGreenPale, shape: BoxShape.circle),
              child: Icon(
                hasActiveFilters ? Icons.filter_list_off : Icons.people_outline,
                size: 40,
                color: UnionFlowColors.unionGreen,
              ),
            ),
            const SizedBox(height: 16),
            Text(
              hasActiveFilters ? 'Aucun résultat' : 'Aucun membre',
              style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w700, color: UnionFlowColors.textPrimary),
            ),
            const SizedBox(height: 8),
            Text(
              hasActiveFilters
                  ? 'Modifiez la recherche ou le filtre de statut'
                  : 'Aucun membre enregistré pour le moment',
              textAlign: TextAlign.center,
              style: const TextStyle(fontSize: 13, color: UnionFlowColors.textSecondary),
            ),
            if (hasActiveFilters) ...[
              const SizedBox(height: 16),
              GestureDetector(
                onTap: () {
                  setState(() {
                    _filterStatus = 'Tous';
                    _searchQuery = '';
                    _searchController.clear();
                  });
                  widget.onSearch?.call(null);
                },
                child: Container(
                  padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
                  decoration: BoxDecoration(
                    border: Border.all(color: UnionFlowColors.unionGreen),
                    borderRadius: BorderRadius.circular(20),
                  ),
                  child: const Text('Effacer les filtres', style: TextStyle(fontSize: 13, color: UnionFlowColors.unionGreen, fontWeight: FontWeight.w600)),
                ),
              ),
            ],
          ],
        ),
      ),
    );
  }

  // ── Pagination ────────────────────────────────────────────────────────────

  Widget _buildPagination() {
    return Container(
      padding: const EdgeInsets.symmetric(vertical: 10),
      decoration: BoxDecoration(
        color: UnionFlowColors.surface,
        border: Border(top: BorderSide(color: UnionFlowColors.border.withOpacity(0.5), width: 1)),
      ),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        children: [
          IconButton(
            icon: const Icon(Icons.chevron_left, size: 24),
            color: widget.currentPage > 0 ? UnionFlowColors.unionGreen : UnionFlowColors.textTertiary,
            onPressed: widget.currentPage > 0
                ? () => widget.onPageChanged(widget.currentPage - 1, _searchQuery.isEmpty ? null : _searchQuery)
                : null,
          ),
          Container(
            padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
            decoration: BoxDecoration(gradient: UnionFlowColors.primaryGradient, borderRadius: BorderRadius.circular(20)),
            child: Text(
              'Page ${widget.currentPage + 1} / ${widget.totalPages}',
              style: const TextStyle(fontSize: 13, fontWeight: FontWeight.w600, color: Colors.white),
            ),
          ),
          IconButton(
            icon: const Icon(Icons.chevron_right, size: 24),
            color: widget.currentPage < widget.totalPages - 1 ? UnionFlowColors.unionGreen : UnionFlowColors.textTertiary,
            onPressed: widget.currentPage < widget.totalPages - 1
                ? () => widget.onPageChanged(widget.currentPage + 1, _searchQuery.isEmpty ? null : _searchQuery)
                : null,
          ),
        ],
      ),
    );
  }

  // ── Sheet détail membre ───────────────────────────────────────────────────

  void _showMemberDetails(Map<String, dynamic> member) {
    showModalBottomSheet(
      context: context,
      backgroundColor: Colors.transparent,
      isScrollControlled: true,
      builder: (context) => DraggableScrollableSheet(
        initialChildSize: 0.55,
        minChildSize: 0.4,
        maxChildSize: 0.85,
        expand: false,
        builder: (context, scrollController) => Container(
          decoration: const BoxDecoration(
            color: UnionFlowColors.surface,
            borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
          ),
          child: Column(
            children: [
              // Drag handle
              Container(
                margin: const EdgeInsets.only(top: 10),
                width: 36,
                height: 4,
                decoration: BoxDecoration(color: UnionFlowColors.border, borderRadius: BorderRadius.circular(2)),
              ),
              Expanded(
                child: SingleChildScrollView(
                  controller: scrollController,
                  padding: const EdgeInsets.fromLTRB(20, 16, 20, 24),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      // En-tête avatar + nom + statut
                      Row(
                        children: [
                          Container(
                            width: 56,
                            height: 56,
                            decoration: const BoxDecoration(gradient: UnionFlowColors.primaryGradient, shape: BoxShape.circle),
                            alignment: Alignment.center,
                            child: Text(
                              member['initiales'] as String? ?? '??',
                              style: const TextStyle(color: Colors.white, fontWeight: FontWeight.w900, fontSize: 22),
                            ),
                          ),
                          const SizedBox(width: 14),
                          Expanded(
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  member['name'] as String? ?? '',
                                  style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w700, color: UnionFlowColors.textPrimary),
                                ),
                                const SizedBox(height: 3),
                                Text(
                                  member['role'] as String? ?? 'Membre',
                                  style: const TextStyle(fontSize: 13, color: UnionFlowColors.textSecondary),
                                ),
                                if (member['numeroMembre'] != null) ...[
                                  const SizedBox(height: 3),
                                  Text(
                                    member['numeroMembre'] as String,
                                    style: const TextStyle(fontSize: 11, fontWeight: FontWeight.w500, color: UnionFlowColors.textTertiary),
                                  ),
                                ],
                              ],
                            ),
                          ),
                          _buildStatusBadge(member['status'] as String? ?? '?'),
                        ],
                      ),
                      const SizedBox(height: 16),
                      const Divider(height: 1),
                      const SizedBox(height: 12),
                      // Infos contact
                      _buildSectionTitle('Contact'),
                      _buildDetailRow(Icons.email_outlined, 'Email', member['email'] as String? ?? '—'),
                      if ((member['phone'] as String? ?? '').isNotEmpty)
                        _buildDetailRow(Icons.phone_outlined, 'Téléphone', member['phone'] as String),
                      const SizedBox(height: 12),
                      // Infos organisation
                      if (member['organisationNom'] != null || member['organisationId'] != null) ...[
                        _buildSectionTitle('Organisation'),
                        if (member['organisationNom'] != null)
                          _buildDetailRow(Icons.business_outlined, 'Organisation', member['organisationNom'] as String),
                        if (member['dateAdhesion'] != null)
                          _buildDetailRow(Icons.calendar_today_outlined, 'Adhésion', _formatDate(member['dateAdhesion'])),
                        const SizedBox(height: 12),
                      ],
                      // Infos pro
                      if ((member['department'] as String? ?? '').isNotEmpty) ...[
                        _buildSectionTitle('Profil'),
                        _buildDetailRow(Icons.work_outline, 'Profession', member['department'] as String),
                        if ((member['nationalite'] as String? ?? '').isNotEmpty)
                          _buildDetailRow(Icons.flag_outlined, 'Nationalité', member['nationalite'] as String),
                        if ((member['location'] as String? ?? ', ').trim() != ',')
                          _buildDetailRow(Icons.location_on_outlined, 'Localisation', member['location'] as String),
                      ],
                      // Bouton d'activation (ADMIN_ORGANISATION uniquement, membre en attente)
                      if (member['status'] == 'En attente' && widget.onActivateMember != null) ...[
                        const SizedBox(height: 16),
                        const Divider(height: 1),
                        const SizedBox(height: 16),
                        SizedBox(
                          width: double.infinity,
                          child: ElevatedButton.icon(
                            onPressed: () {
                              Navigator.pop(context);
                              widget.onActivateMember!(member['id'] as String);
                            },
                            icon: const Icon(Icons.check_circle_outline, size: 18),
                            label: const Text('Activer le membre', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
                            style: ElevatedButton.styleFrom(
                              backgroundColor: UnionFlowColors.success,
                              foregroundColor: Colors.white,
                              padding: const EdgeInsets.symmetric(vertical: 12),
                              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
                            ),
                          ),
                        ),
                      ],
                      // Bouton reset mot de passe (tous membres avec compte Keycloak)
                      if (widget.onResetPassword != null) ...[
                        const SizedBox(height: 16),
                        const Divider(height: 1),
                        const SizedBox(height: 16),
                        SizedBox(
                          width: double.infinity,
                          child: OutlinedButton.icon(
                            onPressed: () {
                              Navigator.pop(context);
                              widget.onResetPassword!(member['id'] as String);
                            },
                            icon: const Icon(Icons.lock_reset_outlined, size: 18),
                            label: const Text('Réinitialiser le mot de passe', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
                            style: OutlinedButton.styleFrom(
                              foregroundColor: UnionFlowColors.warning,
                              side: const BorderSide(color: UnionFlowColors.warning),
                              padding: const EdgeInsets.symmetric(vertical: 12),
                              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
                            ),
                          ),
                        ),
                      ],
                      // Bouton affectation organisation (superadmin, membre sans organisation)
                      if (_isSuperAdmin &&
                          widget.onAffecterOrganisation != null &&
                          (member['organisationId'] == null || (member['organisationId'] as String).isEmpty)) ...[
                        const SizedBox(height: 16),
                        const Divider(height: 1),
                        const SizedBox(height: 16),
                        SizedBox(
                          width: double.infinity,
                          child: OutlinedButton.icon(
                            onPressed: () => _showAffecterOrganisationDialog(context, member),
                            icon: const Icon(Icons.business_outlined, size: 18),
                            label: const Text('Affecter à une organisation', style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
                            style: OutlinedButton.styleFrom(
                              foregroundColor: UnionFlowColors.unionGreen,
                              side: const BorderSide(color: UnionFlowColors.unionGreen),
                              padding: const EdgeInsets.symmetric(vertical: 12),
                              shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
                            ),
                          ),
                        ),
                      ],
                      // ── Boutons cycle de vie adhésion (ADMIN_ORGANISATION) ──
                      if (!_isSuperAdmin && widget.onLifecycleAction != null) ...[
                        const SizedBox(height: 16),
                        const Divider(height: 1),
                        const SizedBox(height: 8),
                        _buildLifecycleActionsSection(context, member),
                      ],
                    ],
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildLifecycleActionsSection(BuildContext context, Map<String, dynamic> member) {
    final memberId = member['id'] as String? ?? '';
    final statut = member['statutMembre'] as String? ?? member['status'] as String? ?? '';
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        const Padding(
          padding: EdgeInsets.only(bottom: 8),
          child: Text('Actions adhésion', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w600, color: Colors.grey)),
        ),
        // Activer (INVITE ou EN_ATTENTE_VALIDATION)
        if (statut == 'INVITE' || statut == 'EN_ATTENTE_VALIDATION' || statut == 'En attente')
          _lifecycleButton(
            context: context,
            label: 'Activer l\'adhésion',
            icon: Icons.check_circle_outline,
            color: Colors.green,
            onPressed: () {
              Navigator.pop(context);
              widget.onLifecycleAction!(memberId, 'activer', null);
            },
          ),
        // Suspendre (ACTIF)
        if (statut == 'ACTIF' || statut == 'Actif')
          _lifecycleButton(
            context: context,
            label: 'Suspendre l\'adhésion',
            icon: Icons.pause_circle_outline,
            color: Colors.orange,
            outlined: true,
            onPressed: () => _showMotifDialog(
              context,
              'Suspendre l\'adhésion',
              onConfirm: (motif) => widget.onLifecycleAction!(memberId, 'suspendre', motif),
            ),
          ),
        // Réactiver (SUSPENDU)
        if (statut == 'SUSPENDU' || statut == 'Suspendu')
          _lifecycleButton(
            context: context,
            label: 'Réactiver l\'adhésion',
            icon: Icons.play_circle_outline,
            color: Colors.blue,
            onPressed: () {
              Navigator.pop(context);
              widget.onLifecycleAction!(memberId, 'activer', null);
            },
          ),
        // Radier (tout statut actif)
        if (statut != 'RADIE' && statut != 'ARCHIVE' && statut.isNotEmpty)
          _lifecycleButton(
            context: context,
            label: 'Radier de l\'organisation',
            icon: Icons.block_outlined,
            color: Colors.red,
            outlined: true,
            onPressed: () => _showMotifDialog(
              context,
              'Radier le membre',
              onConfirm: (motif) => widget.onLifecycleAction!(memberId, 'radier', motif),
            ),
          ),
      ],
    );
  }

  Widget _lifecycleButton({
    required BuildContext context,
    required String label,
    required IconData icon,
    required Color color,
    bool outlined = false,
    required VoidCallback onPressed,
  }) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: SizedBox(
        width: double.infinity,
        child: outlined
            ? OutlinedButton.icon(
                onPressed: onPressed,
                icon: Icon(icon, size: 18),
                label: Text(label, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
                style: OutlinedButton.styleFrom(
                  foregroundColor: color,
                  side: BorderSide(color: color),
                  padding: const EdgeInsets.symmetric(vertical: 12),
                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
                ),
              )
            : ElevatedButton.icon(
                onPressed: onPressed,
                icon: Icon(icon, size: 18),
                label: Text(label, style: const TextStyle(fontSize: 14, fontWeight: FontWeight.w600)),
                style: ElevatedButton.styleFrom(
                  backgroundColor: color,
                  foregroundColor: Colors.white,
                  padding: const EdgeInsets.symmetric(vertical: 12),
                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
                ),
              ),
      ),
    );
  }

  void _showMotifDialog(
    BuildContext context,
    String titre, {
    required void Function(String? motif) onConfirm,
  }) {
    final motifCtrl = TextEditingController();
    showDialog<void>(
      context: context,
      builder: (ctx) => AlertDialog(
        title: Text(titre),
        content: TextField(
          controller: motifCtrl,
          decoration: const InputDecoration(
            labelText: 'Motif (optionnel)',
            border: OutlineInputBorder(),
          ),
          maxLines: 3,
        ),
        actions: [
          TextButton(
            onPressed: () => Navigator.pop(ctx),
            child: const Text('Annuler'),
          ),
          ElevatedButton(
            onPressed: () {
              Navigator.pop(ctx); // ferme dialog motif
              Navigator.pop(context); // ferme bottom sheet
              onConfirm(motifCtrl.text.isNotEmpty ? motifCtrl.text : null);
            },
            child: const Text('Confirmer'),
          ),
        ],
      ),
    );
  }

  Future<void> _showAffecterOrganisationDialog(
    BuildContext ctx,
    Map<String, dynamic> member,
  ) async {
    // Charger les organisations si pas encore fait
    if (_organisationsPicker.isEmpty) {
      try {
        final repo = GetIt.instance<IOrganizationRepository>();
        final orgs = await repo.getOrganizations(page: 0, size: 100);
        if (mounted) {
          setState(() {
            _organisationsPicker = orgs
                .where((o) => o.id != null && o.id!.isNotEmpty)
                .map((o) => {'id': o.id!, 'nom': o.nomAffichage})
                .toList();
          });
        }
      } catch (_) {}
    }

    if (!mounted) return;

    String? selectedOrgId;

    await showDialog<void>(
      context: ctx,
      builder: (dialogCtx) => StatefulBuilder(
        builder: (dialogCtx, setDialogState) => AlertDialog(
          title: const Text('Affecter à une organisation'),
          content: _organisationsPicker.isEmpty
              ? const Text('Aucune organisation disponible.')
              : DropdownButtonFormField<String>(
                  decoration: const InputDecoration(labelText: 'Organisation'),
                  items: _organisationsPicker
                      .map((o) => DropdownMenuItem<String>(
                            value: o['id'],
                            child: Text(o['nom']!),
                          ))
                      .toList(),
                  onChanged: (v) => setDialogState(() => selectedOrgId = v),
                ),
          actions: [
            TextButton(
              onPressed: () => Navigator.pop(dialogCtx),
              child: const Text('Annuler'),
            ),
            ElevatedButton(
              onPressed: selectedOrgId == null
                  ? null
                  : () {
                      Navigator.pop(dialogCtx);
                      Navigator.pop(ctx); // ferme le bottom sheet
                      widget.onAffecterOrganisation!(
                        member['id'] as String,
                        selectedOrgId!,
                      );
                    },
              child: const Text('Confirmer'),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildSectionTitle(String title) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 8),
      child: Text(
        title.toUpperCase(),
        style: const TextStyle(fontSize: 11, fontWeight: FontWeight.w700, color: UnionFlowColors.textTertiary, letterSpacing: 0.8),
      ),
    );
  }

  Widget _buildDetailRow(IconData icon, String label, String value) {
    return Padding(
      padding: const EdgeInsets.only(bottom: 10),
      child: Row(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          Icon(icon, size: 16, color: UnionFlowColors.unionGreen),
          const SizedBox(width: 10),
          Expanded(
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text(label, style: const TextStyle(fontSize: 11, color: UnionFlowColors.textTertiary)),
                const SizedBox(height: 1),
                Text(value, style: const TextStyle(fontSize: 13, color: UnionFlowColors.textPrimary, fontWeight: FontWeight.w500)),
              ],
            ),
          ),
        ],
      ),
    );
  }

  String _formatDate(dynamic date) {
    if (date == null) return '—';
    if (date is DateTime) return '${date.day.toString().padLeft(2, '0')}/${date.month.toString().padLeft(2, '0')}/${date.year}';
    return date.toString();
  }
}