import 'package:flutter/material.dart';
import 'package:manager_api_new/api.dart';
import 'package:provider/provider.dart';
import 'package:manager_app/app_context.dart';
import 'package:manager_app/Models/managerContext.dart';
import 'package:manager_app/constants.dart';
import 'package:manager_app/l10n/app_localizations.dart';
import 'package:manager_app/Screens/Configurations/Section/SubSection/Parcours/parcours_config.dart';

class SectionParcoursConfig extends StatefulWidget {
  final ParcoursDTO initialValue;
  final ValueChanged<ParcoursDTO> onChanged;

  const SectionParcoursConfig({
    Key? key,
    required this.initialValue,
    required this.onChanged,
  }) : super(key: key);

  @override
  _SectionParcoursConfigState createState() => _SectionParcoursConfigState();
}

class _SectionParcoursConfigState extends State<SectionParcoursConfig> {
  late ParcoursDTO parcoursDTO;
  List<SectionDTO> availableMaps = [];

  @override
  void initState() {
    super.initState();
    parcoursDTO = widget.initialValue;
    WidgetsBinding.instance.addPostFrameCallback((_) => _loadAvailableMaps());
  }

  Future<void> _loadAvailableMaps() async {
    if (parcoursDTO.configurationId == null || !mounted) return;
    final appContext = Provider.of<AppContext>(context, listen: false);
    final api = (appContext.getContext() as ManagerAppContext).clientAPI!.sectionApi!;
    try {
      final sections = await api.sectionGetFromConfiguration(parcoursDTO.configurationId!);
      if (sections == null || !mounted) return;
      setState(() {
        availableMaps = sections.where((s) => s.type == SectionType.Map).toList();
      });
    } catch (e) {
      // Silently keep empty on error
    }
  }

  @override
  Widget build(BuildContext context) {
    final l = AppLocalizations.of(context)!;
    return Column(
      mainAxisSize: MainAxisSize.min,
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        // ── Où se déroule le parcours ? ──
        Padding(
          padding: const EdgeInsets.fromLTRB(16, 16, 16, 0),
          child: Row(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Expanded(
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Text(l.parcoursWhereTitle,
                        style: TextStyle(fontWeight: FontWeight.w600)),
                    RadioGroup<bool>(
                      groupValue: parcoursDTO.showMap ?? true,
                      onChanged: (val) {
                        setState(() => parcoursDTO.showMap = val);
                        widget.onChanged(parcoursDTO);
                      },
                      child: Column(
                        children: [
                          RadioListTile<bool>(
                            dense: true,
                            contentPadding: EdgeInsets.zero,
                            activeColor: kPrimaryColor,
                            value: false,
                            title: Text(l.parcoursIndoor, style: TextStyle(fontSize: 14)),
                            subtitle: Text(
                              l.parcoursIndoorDesc,
                              style: TextStyle(fontSize: 12, color: Colors.grey[600]),
                            ),
                          ),
                          RadioListTile<bool>(
                            dense: true,
                            contentPadding: EdgeInsets.zero,
                            activeColor: kPrimaryColor,
                            value: true,
                            title: Text(l.parcoursOutdoor, style: TextStyle(fontSize: 14)),
                            subtitle: Text(
                              l.parcoursOutdoorDesc,
                              style: TextStyle(fontSize: 12, color: Colors.grey[600]),
                            ),
                          ),
                        ],
                      ),
                    ),
                  ],
                ),
              ),
              if (parcoursDTO.showMap == true)
                Expanded(
                  child: Padding(
                    padding: const EdgeInsets.symmetric(horizontal: 8),
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Text(l.parcoursBaseMapOptional,
                            style: TextStyle(fontWeight: FontWeight.w500)),
                        DropdownButton<String?>(
                          isExpanded: true,
                          value: parcoursDTO.baseSectionMapId,
                          items: [
                            DropdownMenuItem<String?>(
                                value: null, child: Text(l.noneFeminine)),
                            ...availableMaps.map((m) => DropdownMenuItem<String?>(
                                value: m.id,
                                child: Text(m.label ?? m.id ?? ''))),
                          ],
                          onChanged: availableMaps.isEmpty
                              ? null
                              : (val) {
                                  setState(
                                      () => parcoursDTO.baseSectionMapId = val);
                                  widget.onChanged(parcoursDTO);
                                },
                        ),
                        if (availableMaps.isEmpty)
                          Text(
                            l.parcoursNoMapSection,
                            style: TextStyle(
                                fontSize: 12, color: Colors.grey[600]),
                          ),
                      ],
                    ),
                  ),
                ),
            ],
          ),
        ),
        // ── Liste des parcours ──
        if (parcoursDTO.id != null)
          ParcoursConfig(
            initialValue: parcoursDTO.guidedPaths ?? [],
            parentId: parcoursDTO.id!,
            isEvent: false,
            isParcours: true,
            isGeolocated: parcoursDTO.showMap ?? true,
            onChanged: (paths) {
              setState(() => parcoursDTO.guidedPaths = paths);
              widget.onChanged(parcoursDTO);
            },
          )
        else
          Padding(
            padding: const EdgeInsets.all(16),
            child: Text(
              l.parcoursSaveSectionFirst,
              style: TextStyle(fontStyle: FontStyle.italic, color: Colors.grey[600]),
            ),
          ),
      ],
    );
  }
}