//
//  FitAcitvity.h
//  FitSDK
//
//  Created by xaoxuu on 04/07/2017.
//  Copyright © 2017 xaoxuu. All rights reserved.
//

#import <Foundation/Foundation.h>

@class FitActivityRecord;
typedef NS_ENUM(NSUInteger, FitActivityType) {
    FitActivityTypeWalk = 11, // 枚举值等于FIT_SPORT值
    FitActivityTypeRun = 1,
    FitActivityTypeRide = 2,
    FitActivityTypeSwim = 5,
    FitActivityTypeHike = 17,
};

@interface FitActivity : NSObject

// @xaoxuu: fit 文件路径
@property (copy, readonly, nonatomic) NSString *path;

// @xaoxuu: 活动名
@property (copy, nonatomic) NSString *name;

// @xaoxuu: 活动类型
@property (assign, nonatomic) FitActivityType type;

// @xaoxuu: 活动类型
@property (copy, readonly, nonatomic) NSString *typeString;

// @xaoxuu: records
@property (strong, nonatomic) NSMutableArray<FitActivityRecord *> *records;

/**
 添加一条record

 @param record record
 */
- (void)addRecord:(void (^)(FitActivityRecord *aRecord))record;

@end

@interface FitActivityRecord : NSObject

// @xaoxuu: timestamp
@property (assign, nonatomic) unsigned int timestamp;

// @xaoxuu: position_lat
@property (assign, nonatomic) int position_lat;

// @xaoxuu: position_long
@property (assign, nonatomic) int position_long;

// @xaoxuu: distance
@property (assign, nonatomic) unsigned int distance;

// @xaoxuu: altitude
@property (assign, nonatomic) unsigned short altitude;

// @xaoxuu: speed
@property (assign, nonatomic) unsigned short speed;

// @xaoxuu: heart_rate
@property (assign, nonatomic) unsigned char heart_rate;

@end

//
//  FitAcitvity.m
//  FitSDK
//
//  Created by xaoxuu on 04/07/2017.
//  Copyright © 2017 xaoxuu. All rights reserved.
//

#import "FitAcitvity.h"

@implementation FitActivity

- (instancetype)init {
    if (self = [super init]) {
        _records = [NSMutableArray array];
        self.type = FitActivityTypeWalk;
    }
    return self;
}


- (void)setType:(FitActivityType)type{
    _type = type;

    switch (type) {
        case FitActivityTypeWalk:
            _typeString = @"walk";
            break;
        case FitActivityTypeRun:
            _typeString = @"run";
            break;
        case FitActivityTypeRide:
            _typeString = @"ride";
            break;
        case FitActivityTypeSwim:
            _typeString = @"swim";
            break;
        case FitActivityTypeHike:
            _typeString = @"hike";
            break;

    }
}


- (void)setName:(NSString *)name{
    _name = name;
    _path = [self pathWithName:name];
}

- (void)addRecord:(void (^)(FitActivityRecord *aRecord))record{
    if (record) {
        FitActivityRecord *rec = [FitActivityRecord new];
        record(rec);
        [self.records addObject:rec];
    }
}

- (NSString *)pathWithName:(NSString *)name{
    NSString *path = [[NSTemporaryDirectory() stringByAppendingPathComponent:@"com.xaoxuu.fitsdk"] stringByAppendingPathComponent:name];
    path = [path stringByAppendingPathExtension:@"fit"];
    // create dir if not exist
    NSFileManager *fm = [NSFileManager defaultManager];
    NSString *dir = path.stringByDeletingLastPathComponent;
    BOOL result = [fm createDirectoryAtPath:dir withIntermediateDirectories:YES attributes:nil error:nil];
    if (!result) {
        NSLog(@"can not create the directory at path %@",dir);
    }
    return path;
}

@end

@implementation FitActivityRecord

- (instancetype)init{
    if (self = [super init]) {
        _timestamp = 702940946;
        _position_lat = 0;
        _position_long = 0;
        _distance = 0;
        _altitude = 0;
        _speed = 0;
        _heart_rate = 0;
    }
    return self;
}

@end

//
//  FitSDK.h
//  FitSDK
//
//  Created by xaoxuu on 04/07/2017.
//  Copyright © 2017 xaoxuu. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "FitAcitvity.h"

@interface FitSDK : NSObject

/**
 创建一个活动数据fit文件

 @param activity 活动数据
 @return 活动数据模型
 */
+ (FitActivity *)createActivity:(void (^)(FitActivity *activity))activity;

@end

//
//  FitSDK.m
//  FitSDK
//
//  Created by xaoxuu on 04/07/2017.
//  Copyright © 2017 xaoxuu. All rights reserved.
//

#import "FitSDK.h"
#import "fit_mgr.h"

@implementation FitSDK

+ (FitActivity *)createActivity:(void (^)(FitActivity *activity))activity{
    FitActivity *act = [FitActivity new];
    if (activity) {
        activity(act);
    }
    [self createActivityWithModel:act];
    return act;
}


+ (void)createActivityWithModel:(FitActivity *)activity{
    // @xaoxuu: fit file
    const char *fp = [activity.path cStringUsingEncoding:NSUTF8StringEncoding];
    fit_transaction(fp, activity.type, ^{
        [activity.records enumerateObjectsUsingBlock:^(FitActivityRecord * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
            fit_transaction_record_msg(obj.timestamp, obj.position_lat, obj.position_long, obj.distance, obj.altitude, obj.speed, obj.heart_rate);
        }];
    });
}

@end

FitActivity *activity = [FitSDK createActivity:^(FitActivity *activity) {
    activity.name = @"test";
    activity.type = FitActivityTypeRun;
    for (int i = 0; i<100; i++) {
        [activity addRecord:^(FitActivityRecord *aRecord) {
            aRecord.timestamp = [[NSDate date] timeIntervalSince1970] - 631065600;
            aRecord.position_lat = 495280430+i*1000;
            aRecord.position_long = -872696681-i*1500;
            aRecord.distance = 2+i/100;
            aRecord.altitude = 287.2+i;
            aRecord.speed = 0.29+i/50;
            aRecord.heart_rate = 68+i/4;
        }];
    }
}];
// activity.path就是生成的fit文件路径
NSLog(@"%@", activity.path);