import 'dart:convert';

import 'package:flutter/material.dart';

import 'package:http/http.dart' as http;
import 'package:sentry_flutter/sentry_flutter.dart';

import 'package:fluffychat/pangea/common/models/base_request_model.dart';

class Requests {
  late String? accessToken;
  late String? choreoApiKey;

  Requests({this.accessToken, this.choreoApiKey});

  Future<http.Response> post({
    required String url,
    required Map<dynamic, dynamic> body,
  }) async {
    final enrichedBody = BaseRequestModel.injectUserContext(body);

    dynamic encoded;
    encoded = jsonEncode(enrichedBody);

    final http.Response response = await http.post(
      Uri.parse(url),
      body: encoded,
      headers: _headers,
    );

    handleError(response, body: body);
    return response;
  }

  Future<http.Response> get({required String url}) async {
    final http.Response response = await http.get(
      Uri.parse(url),
      headers: _headers,
    );

    handleError(response);
    return response;
  }

  void addBreadcrumb(http.Response response, {Map<dynamic, dynamic>? body}) {
    debugPrint("Error - code: ${response.statusCode}");
    debugPrint("api: ${response.request?.url}");
    debugPrint("request body: $body");
    Sentry.addBreadcrumb(
      Breadcrumb.http(
        url: response.request?.url ?? Uri(path: "not available"),
        method: response.request?.method ?? "not available",
        statusCode: response.statusCode,
      ),
    );
    Sentry.addBreadcrumb(Breadcrumb(data: {"body": body}));
  }

  void handleError(http.Response response, {Map<dynamic, dynamic>? body}) {
    if (response.statusCode == 401) {
      final responseBody = jsonDecode(utf8.decode(response.bodyBytes));
      if (responseBody['detail'] == 'No active subscription found') {
        throw UnsubscribedException();
      }
    }

    if (response.statusCode >= 400) {
      addBreadcrumb(response, body: body);
      throw response;
    }
  }

  Map<String, String> get _headers {
    final Map<String, String> headers = {
      "Content-Type": "application/json",
      "Accept": "application/json",
    };
    if (accessToken != null) {
      headers["Authorization"] = 'Bearer ${accessToken!}';
    }
    if (choreoApiKey != null) {
      headers['api_key'] = choreoApiKey!;
    }
    return headers;
  }
}

class UnsubscribedException implements Exception {}