//
//  MapManager.m
//  jiaPei
//
//  Created by 张嵘 on 2018/9/20.
//  Copyright © 2018年 JCZ. All rights reserved.
//

#import "MapManager.h"


static MapManager *manger = nil;
static dispatch_once_t onceToken;
//复用annotationView的指定唯一标识
static NSString *annotationViewIdentifier = @"com.Baidu.BMKPointAnnotation";

@interface MapManager () <BMKLocationAuthDelegate, BMKLocationManagerDelegate, BMKMapViewDelegate, BMKGeneralDelegate, BMKGeoCodeSearchDelegate>
@property (nonatomic, strong) BMKMapManager *mapManager; //主引擎类
@property (nonatomic, strong) BMKLocationManager *locationManager; //定位对象
@property (nonatomic, strong) BMKUserLocation *userLocation;//当前位置对象
@property (nonatomic, assign) BOOL locationLock;//单次定位锁
@property (nonatomic, strong) LocCompletedBlock locCompletedBlock;//定位回调

@property (nonatomic, strong) BMKMapView *mapView;//地图View类
@property (nonatomic, assign) CGSize mapSize;//地图大小


@property (nonatomic, strong) BMKGeoCodeSearch *searcher;//搜索对象
@property (nonatomic, strong) SearchCompletedBlock searchCompletedBlock;//搜索回调
@property (nonatomic, strong) ReverseCompletedBlock reverseCompletedBlock;//反地理编码回调

@end

@implementation MapManager

+ (MapManager *)sharedManager {
    dispatch_once(&onceToken, ^{
        manger = [[self alloc] init];
    });
    return manger;
}

- (instancetype)init {
    self = [super init];
    if (self) {
        // 初始化定位SDK
        [[BMKLocationAuth sharedInstance] checkPermisionWithKey:BAIDU_APPKEY authDelegate:self];
        // ‼️重要：设置用户是否同意SDK隐私协议，请务必在BMKLocationManager和BMKGeoFenceManager实例化之前调用，否则实例化失败
        [[BMKLocationAuth sharedInstance] setAgreePrivacy:YES];
        //要使用百度地图，请先启动BMKMapManager
        _mapManager = [[BMKMapManager alloc] init];
        /**
         百度地图SDK所有API均支持百度坐标（BD09）和国测局坐标（GCJ02），用此方法设置您使用的坐标类型.
         默认是BD09（BMK_COORDTYPE_BD09LL）坐标.
         如果需要使用GCJ02坐标，需要设置CoordinateType为：BMK_COORDTYPE_COMMON.
         */
        if ([BMKMapManager setCoordinateTypeUsedInBaiduMapSDK:BMK_COORDTYPE_BD09LL]) {
            NSLog(@"经纬度类型设置成功");
        } else {
            NSLog(@"经纬度类型设置失败");
        }
        //启动引擎并设置AK并设置delegate
        BOOL result = [_mapManager start:BAIDU_APPKEY generalDelegate:self];
        if (!result) {
            NSLog(@"启动引擎失败");
        }
    }
    return self;
}

- (void)dealloc {
	_mapView.delegate = nil;
}

#pragma mark - Custom Way
/**
 根据大小创建地图
 
 @param size 大小
 @return 返回地图
 */
- (BMKMapView *)getMapViewWithSize:(CGSize)size {
    _mapSize = size;
    return self.mapView;
}

/**
 单次定位
 
 @param completeBlock 定位回调
 */
- (void)updateLocationWithCompleteBlock:(LocCompletedBlock)completeBlock {
    @weakify(self)
    self.locationLock = YES;
    self.locationManager.distanceFilter = kCLDistanceFilterNone;
    [self.locationManager requestLocationWithReGeocode:YES withNetworkState:YES completionBlock:^(BMKLocation * _Nullable location, BMKLocationNetworkState state, NSError * _Nullable error) {
        @strongify(self)
        if (location != nil) {
            self.locationLock = NO;
            if (completeBlock) {
                completeBlock(location != nil , location.location);
            }
        }
        if (error) [self showErrorAlertWithError:error];
    }];
}

/**
 连续定位
 
 @param distanceFilter 设定定位的最小更新距离。默认为 kCLDistanceFilterNone
 @param completeBlock 定位回调
 */
- (void)updateLocationWithDistanceFilter:(NSInteger)distanceFilter CompleteBlock:(LocCompletedBlock)completeBlock {
    [self.locationManager startUpdatingLocation];
    self.locationManager.distanceFilter = distanceFilter? distanceFilter : kCLDistanceFilterNone;
    _locCompletedBlock = completeBlock;
}

/**
 返回地址信息搜索结果
 
 @param address 地址(必填)
 @param city 城市(选填)
 @param completeBlock 搜索回调
 */
- (void)onGetGeoCodeWithAddress:(NSString *)address City:(NSString *)city completeBlock:(SearchCompletedBlock)completeBlock {
    BMKGeoCodeSearchOption *geoCodeSearchOption = [[BMKGeoCodeSearchOption alloc]init];
    geoCodeSearchOption.city= city;
    geoCodeSearchOption.address = address;
    [self.searcher geoCode:geoCodeSearchOption];
    _searchCompletedBlock = completeBlock;
}

/**
 返回反地理编码搜索结果
 
 @param location 定位
 @param completeBlock 搜索回调
 */
- (void)onGetReverseGeoCodeWithLocation:(CLLocation *)location completeBlock:(ReverseCompletedBlock)completeBlock {
    BMKReverseGeoCodeSearchOption *reverseGeoCodeSearchOption = [[BMKReverseGeoCodeSearchOption alloc]init];
    reverseGeoCodeSearchOption.location = location.coordinate;
    [self.searcher reverseGeoCode:reverseGeoCodeSearchOption];
    _reverseCompletedBlock = completeBlock;
}

/**
 错误弹窗
 */
- (void)showErrorAlertWithError:(NSError *)error {
    switch (error.code) {
            case BMKLocationErrorDenied: {
                UIAlertView *alert =[[UIAlertView alloc]initWithTitle:@"温馨提示" message:@"请在iPhone的“设置”-“隐私”-“定位服务”功能中，找到“优易学车”打开位置访问权限" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil];
                [alert show];
            }
            break;
            
        default:
            break;
    }
    [_locationManager stopUpdatingLocation];
}

/**
 开始定位
 */
- (void)beginLocation{
    [self.locationManager startUpdatingLocation];
    [self.locationManager startUpdatingHeading];
}

#pragma mark - BMKLocationAuthDelegate 定位鉴权代理
/**
 *  @brief 返回授权验证错误
 *  @param iError 错误号 : 为0时验证通过，具体参加BMKLocationAuthErrorCode
 */
- (void)onCheckPermissionState:(BMKLocationAuthErrorCode)iError {
    switch (iError) {
        case BMKLocationAuthErrorUnknown:
            NSLog(@"未知错误");
            break;
        case BMKLocationAuthErrorSuccess:
            NSLog(@"鉴权成功");
            break;
        case BMKLocationAuthErrorNetworkFailed:
            NSLog(@"因网络鉴权失败");
            break;
        case BMKLocationAuthErrorFailed:
            NSLog(@"KEY非法鉴权失败");
            break;
            
        default:
            break;
    }
}

/**
 联网结果回调
 
 @param iError 联网结果错误码信息，0代表联网成功
 */
- (void)onGetNetworkState:(int)iError {
    if (0 == iError) {
        NSLog(@"联网成功");
    } else {
        NSLog(@"联网失败：%d", iError);
    }
}

#pragma mark - BMKMapViewDelegate 地图代理

#pragma mark - BMKGeoCodeSearchDelegate 搜索代理
- (void)onGetGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKGeoCodeSearchResult *)result errorCode:(BMKSearchErrorCode)error {
    if (_searchCompletedBlock) {
        _searchCompletedBlock(result? YES : NO, result, error);
    }
}

- (void)onGetReverseGeoCodeResult:(BMKGeoCodeSearch *)searcher result:(BMKReverseGeoCodeSearchResult *)result errorCode:(BMKSearchErrorCode)error {
    if (_reverseCompletedBlock) {
        _reverseCompletedBlock(result ? YES : NO, result, error);
    }
}

#pragma mark - BMKLocationManagerDelegate 定位代理
/**
 用户拒绝开启定位服务等原因导致的定位失败会调用的方法

 @brief 当定位发生错误时，会调用代理的此方法。
 @param manager 定位 BMKLocationManager 类。
 @param error 返回的错误，参考 CLError 。
 */
- (void)BMKLocationManager:(BMKLocationManager *)manager didFailWithError:(NSError *)error {
    if (error) [self showErrorAlertWithError:error];
}

/**
 处理位置坐标更新

 @brief 连续定位回调函数
 @param manager 定位 BMKLocationManager 类。
 @param location 定位结果，参考BMKLocation。
 @param error 错误信息。
 */
- (void)BMKLocationManager:(BMKLocationManager *)manager didUpdateLocation:(BMKLocation *)location orError:(NSError *)error {
    if (location) {
        self.userLocation.location = location.location;
        //实现该方法，否则定位图标不出现
        [_mapView updateLocationData:self.userLocation];
        //设置当前地图的中心点，改变该值时，地图的比例尺级别不会发生变化
        _mapView.centerCoordinate = self.userLocation.location.coordinate;
        
        if (_locCompletedBlock) {
            _locCompletedBlock(location != nil , location.location);
        }
        
        [_locationManager stopUpdatingLocation];

        //发起反向地理编码检索
//        _searcher =[[BMKGeoCodeSearch alloc]init];
//        _searcher.delegate = self;
//        BMKReverseGeoCodeSearchOption *reverseGeoCodeSearchOption = [[BMKReverseGeoCodeSearchOption alloc]init];
//        reverseGeoCodeSearchOption.location = location.location.coordinate;
//        [_searcher reverseGeoCode:reverseGeoCodeSearchOption];
    }
}

#pragma mark - Lazy loading
- (BMKLocationManager *)locationManager {
    if (!_locationManager) {
        _locationManager = [[BMKLocationManager alloc] init];
        _locationManager.delegate = self;
        _locationManager.coordinateType = BMKLocationCoordinateTypeBMK09LL;
        _locationManager.desiredAccuracy = kCLLocationAccuracyBest;
        _locationManager.activityType = CLActivityTypeAutomotiveNavigation;
        _locationManager.pausesLocationUpdatesAutomatically = NO;
        _locationManager.allowsBackgroundLocationUpdates = NO;
        _locationManager.locationTimeout = 10;
    }
    return _locationManager;
}

- (BMKUserLocation *)userLocation {
    if (!_userLocation) {
        _userLocation = [[BMKUserLocation alloc] init];
    }
    return _userLocation;
}

- (BMKMapView *)mapView {
    if (!_mapView) {
        _mapView = [[BMKMapView alloc] initWithFrame:CGRectMake(0,0,_mapSize.width, _mapSize.height)];
        //开启定位服务
        [self beginLocation];
        //设置mapView的代理
        _mapView.delegate = self;
        //当前地图类型
        _mapView.mapType = BMKMapTypeStandard;
        //设置地图比例尺级别
        _mapView.zoomLevel = 14.7;
        //设置显示定位图层
        _mapView.showsUserLocation = YES;
        //设置定位模式为普通模式
        _mapView.userTrackingMode = BMKUserTrackingModeNone;
        //设定显式比例尺
        _mapView.showMapScaleBar = YES;
        //配置定位图层个性化样式，初始化BMKLocationViewDisplayParam的实例
        BMKLocationViewDisplayParam *param = [[BMKLocationViewDisplayParam alloc] init];
        //设置定位图标(屏幕坐标)X轴偏移量为0
        param.locationViewOffsetX = 0;
        //设置定位图标(屏幕坐标)Y轴偏移量为0
        param.locationViewOffsetY = 0;
        //设置定位图层locationView在最上层(也可设置为在下层)
        param.locationViewHierarchy = LOCATION_VIEW_HIERARCHY_TOP;
        //设置显示精度圈（因“需求:可改变精度圈大小”,关闭默认精度圈)
        param.isAccuracyCircleShow = NO;
        //跟随态旋转角度是否生效
        param.isRotateAngleValid = YES;
        //更新定位图层个性化样式
        [_mapView updateLocationViewWithParam:param];
    }
    return _mapView;
}

- (BMKGeoCodeSearch *)searcher {
    if (!_searcher) {
        _searcher =[[BMKGeoCodeSearch alloc]init];
        _searcher.delegate = self;
    }
    return _searcher;
}

@end