import 'dart:convert';

import 'package:flutter/foundation.dart';
import 'package:get/get.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../global.dart';

part 'site_config.g.dart';

@JsonSerializable()
class SiteConfig {
  List<String> moduleStyles;
  List<String> moduleScripts;
  String renderTheme;

  SiteConfig({
    this.moduleStyles = const [],
    this.moduleScripts = const [],
    this.renderTheme = Global.renderThemeFallback,
  });

  factory SiteConfig.fromJson(Map<String, dynamic> json) => _$SiteConfigFromJson(json);

  Map<String, dynamic> toJson() => _$SiteConfigToJson(this);
}

class AppSettingsController extends GetxController {
  bool _ignoreSave = false;

  var betaPageRender = false.obs;

  @override
  void onInit() {
    super.onInit();

    loadFromStorage();

    everAll([betaPageRender], (_) {
      saveToStorage();
    });
  }

  /// 从本地存储读取
  Future<void> loadFromStorage() async {
    try {
      final prefs = await SharedPreferences.getInstance();
      var settingsJson = prefs.getString("siteConfigCache");
      if (settingsJson == null) return;

      var settingsObject = jsonDecode(settingsJson);
      if (settingsObject == null) return;

      var settingsData = SiteConfig.fromJson(settingsObject);

      _ignoreSave = true;
      // betaPageRender.value = settingsData.betaPageRender ?? betaPageRender.value;
      _ignoreSave = false;
    } catch (ex) {
      if (kDebugMode) {
        print(ex);
      }
    } finally {
      _ignoreSave = false;
    }
  }

  /// 保存到本地存储
  void saveToStorage() {
    if (_ignoreSave) return;

    final prefs = Global.sharedPreferences!;

    var settingsData = SiteConfig();

    var settingsJson = jsonEncode(settingsData.toJson());

    prefs.setString("siteConfigCache", settingsJson);
  }
}