#import "AddressManager.h"

@interface AddressManager ()

@property (strong, nonatomic) NSArray *addressArray;

@property (strong, nonatomic) NSMutableArray *firstLevelArray;

@property (strong, nonatomic) NSMutableDictionary *secondLevelMap;

@implementation AddressManager

+ (AddressManager *)sharedManager {

static AddressManager *shared_manager = nil;

static dispatch_once_t pred;

dispatch_once(&pred, ^{

shared_manager = [[self alloc] init];

NSString *path = [[NSBundle mainBundle] pathForResource:@"address" ofType:@"json"];

NSError *error = nil;

NSData *data = [[NSData alloc] initWithContentsOfFile:path];

NSArray *jsonObject = [NSJSONSerialization JSONObjectWithData:data

options:NSJSONReadingAllowFragments

error:&error];

if (error) {

DebugLog(@"address.json - fail: %@", error.description);

}

if (jsonObject) {

shared_manager.addressArray = jsonObject;

NSMutableArray *firstLevelArray = [[NSMutableArray alloc] initWithCapacity:35];

NSMutableDictionary *secondLevelMap = [[NSMutableDictionary alloc] initWithCapacity:35];

for (NSDictionary *firstLevelDict in jsonObject) {

NSArray *secondLevelDictArray = [firstLevelDict objectForKey:@"c"];

NSMutableArray *secondLevelArray = [[NSMutableArray alloc] init];

for (NSDictionary *secondLevelDict in secondLevelDictArray) {

[secondLevelArray addObject:[secondLevelDict objectForKey:@"n"]];

}

[secondLevelMap setObject:secondLevelArray forKey:[firstLevelDict objectForKey:@"p"]];

[firstLevelArray addObject:[firstLevelDict objectForKey:@"p"]];

}

shared_manager.firstLevelArray = firstLevelArray;

shared_manager.secondLevelMap = secondLevelMap;

}

});

return shared_manager;

}

+ (NSArray *)firstLevelArray{

return [self sharedManager].firstLevelArray;

}

+ (NSDictionary *)secondLevelMap{

return [self sharedManager].secondLevelMap;

}

+ (NSArray *)secondLevelArrayInFirst:(NSString *)firstLevelName{

return [[self sharedManager].secondLevelMap objectForKey:firstLevelName];

}

+ (NSNumber *)indexOfFirst:(NSString *)firstLevelName{

NSInteger index = [[self firstLevelArray] indexOfObject:firstLevelName];

if (index == NSNotFound) {

return nil;

}

return [NSNumber numberWithInteger:index];

}

+ (NSNumber *)indexOfSecond:(NSString *)secondLevelName inFirst:(NSString *)firstLevelName{

NSInteger index = [[self secondLevelArrayInFirst:firstLevelName] indexOfObject:secondLevelName];

if (index == NSNotFound) {

return nil;

}

return [NSNumber numberWithInteger:index];

}