// 根据输入发送sug检索
- (void)searchSugInfoWithKey:(NSString *)key {
    if (key.length == 0) {
        self.sugInfoList = [NSMutableArray array];
        __weak typeof(self) weakSelf = self;
        dispatch_async(dispatch_get_main_queue(), ^{
            [weakSelf.tableView reloadData];
        });
        return;
    }
    
    BMKSuggestionSearchOption *option = [BMKSuggestionSearchOption new];
    option.keyword = key;
    option.cityname = @"北京";
    option.cityLimit = YES;
    
    BMKSuggestionSearch *sugSearch = [BMKSuggestionSearch new];
    sugSearch.delegate = self;
    [sugSearch suggestionSearch:option];

}
/// 根据联想词或关键词进行POI检索
- (void)searchPOIInfoWithKey:(NSString *)key {
    if (!key) {
        return;
    }
    BMKPOICitySearchOption *option = [BMKPOICitySearchOption new];
    option.keyword = key;
    option.city = @"北京";
    option.isCityLimit = YES;

    BMKPoiSearch *search = [BMKPoiSearch new];
    search.delegate = self;
    [search poiSearchInCity:option];
}
#pragma mark - UISearchBarDelegate

// 输入回调
- (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText {
    // sug检索
     [self searchSugInfoWithKey:searchText];
}
// 确认检索
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
    // POI检索
    [self searchPOIInfoWithKey:searchBar.text];
}
                       
                

#pragma mark - BMKSuggestionSearchDelegate
/// 返回suggestion搜索结果
/// @param searcher 搜索对象
/// @param result  搜索结果
/// @param error BMKSearchErrorCode
- (void)onGetSuggestionResult:(BMKSuggestionSearch *)searcher result:(BMKSuggestionSearchResult *)result errorCode:(BMKSearchErrorCode)error {
    if (error == BMK_SEARCH_NO_ERROR) {
        self.sugInfoList = [result.suggestionList copy];
        __weak typeof(self) weakSelf = self;
        dispatch_async(dispatch_get_main_queue(), ^{
            [weakSelf.tableView reloadData];
        });
    }
}



#pragma mark - BMKPoiSearchDelegate

/// 返回POI搜索结果
/// @param searcher 搜索对象
/// @param poiResult 搜索结果列表
/// @param errorCode BMKSearchErrorCode
- (void)onGetPoiResult:(BMKPoiSearch *)searcher result:(BMKPOISearchResult *)poiResult errorCode:(BMKSearchErrorCode)errorCode {
    [self.searchView endEditing:YES];
    self.tableView.hidden = YES;
    if (errorCode == BMK_SEARCH_NO_ERROR) {
        if (!poiResult.poiInfoList || poiResult.poiInfoList.count == 0) {
            return;
        }
        // 移除标注
        [_mapView removeAnnotations:_mapView.annotations];
        
        _poiInfoList = [poiResult.poiInfoList copy];
        
        NSMutableArray<BMKPoiAnnotation *> *annotions = [NSMutableArray array];
        for (int i = 0; i < poiResult.poiInfoList.count; i++) {
            BMKPoiInfo *info = poiResult.poiInfoList[i];
            BMKPoiAnnotation *annotaion = [[BMKPoiAnnotation alloc] init];
            annotaion.coordinate = info.pt;
            annotaion.title = info.name;
            annotaion.index = i;
            [annotions addObject:annotaion];
        }
        
        // 添加标注
        [_mapView addAnnotations:annotions];
        // 标注适配屏幕
        [self showAnnotations:annotions animated:YES];
        
    }
}