//
//  ViewController.m
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "ViewController.h"
#import "Province.h"
#import "City.h"
#import "Area.h"

@interface ViewController ()

//裝province對象
@property (nonatomic,retain) NSMutableArray *provinceArray;

@end

@implementation ViewController

- (void)getData {
    
    self.provinceArray = [NSMutableArray array];
    //創建省份數組
    NSMutableArray *provinceArray = [NSMutableArray array];
    
    //加載文件得到的字符串
    //參數1:文件路徑
    //參數2:編碼格式
    //參數3:錯誤信息
    //    NSError *error = nil;
    NSString *contentString = [NSString stringWithContentsOfFile:@"/Users/lanou3g/Desktop/iOS/UI08_省市區_模型嵌套/UI08_省市區_模型嵌套/area.txt" encoding:NSUTF8StringEncoding error:nil];
    //    NSLog(@"%@",contentString);
    //用\n分割字符串,得到每一行的字符串內容
    NSArray *lineArray = [contentString componentsSeparatedByString:@"\n"];
    for (NSString *lineString in lineArray) {
        //        NSLog(@"line:%@",lineString);
        
        if (![lineString hasPrefix:@" "]) {
            //前綴不是空格的話為省名
            
            //創建一個省份字典
            NSMutableDictionary *provienceDic = [NSMutableDictionary dictionary];
            //省份字典添加鍵值對（provienceName：省份名）
            [provienceDic setObject:lineString forKey:@"provinceName"];
            //創建一個城市數組（ps:用于后面存儲城市字典）
            NSMutableArray *cityArray = [NSMutableArray array];
            //添加鍵值對（cityArray：城市數組）
            [provienceDic setObject:cityArray forKey:@"cityArray"];
            //將省份字典添加到省份數組中
            [provinceArray addObject:provienceDic];
            
        }
        else if(![lineString hasPrefix:@"    "]) {
            //前綴有空格且不是4個空格的話為城市名
            //當讀取到城市名的時候需要找到該城市所屬的省份（ps:當前省份數組中最后一個元素就是當前城市所屬省份）
            NSMutableDictionary *provienceDic = [provinceArray lastObject];
            NSMutableArray *cityArray = [provienceDic objectForKey:@"cityArray"];
            //創建城市字典（有兩個鍵值對）
            NSMutableDictionary *cityDic = [NSMutableDictionary dictionary];
            //添加鍵值對（cityName：城市名稱）
            [cityDic setObject:lineString forKey:@"cityName"];
            //創建地區的數組(后面用于存儲地區名稱)
            NSMutableArray *areaArray = [NSMutableArray array];
            //添加鍵值對（areaArray:地區數組）
            [cityDic setObject:areaArray forKey:@"areaArray"];
            //將城市字典存入到對應的城市數組中
            [cityArray addObject:cityDic];
            
        }else {
            //前綴有空格且有4個空格為地區名
            //獲取當前地區所屬省份
            NSMutableDictionary *provinceDic = [provinceArray lastObject];
            //獲取該省份的城市數組
            NSMutableArray *cityArray = [provinceDic objectForKey:@"cityArray"];
            //從城市數組中取當前地區所屬的城市
            NSMutableDictionary *cityDic = [cityArray lastObject];
            //獲取該城市的地區數組
            NSMutableArray *areArray = [cityDic objectForKey:@"areaArray"];
            //將地區名存入該地區數組
            [areArray addObject:lineString];
            
        }
    }
       //獲取所有的省份字典
    for (NSDictionary *provinceDic in provinceArray) {
        //創建對象
        Province *province = [[Province alloc] init];
        //賦值
        [province setValuesForKeysWithDictionary:provinceDic];
        [self.provinceArray addObject:province];
    
     }
    
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    [self getData];
    for (Province *province in self.provinceArray) {
        NSLog(@"province name %@",province.provinceName);
        for (City *city in province.cityArray) {
            NSLog(@"city name %@",city.cityName);
            for (Area *area in city.areaArray) {
                NSLog(@"area name : %@",area.areaName);
            }
        }
    }
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end

//
//  BaseModel.m
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "BaseModel.h"

@implementation BaseModel

-(void)setValue:(id)value forUndefinedKey:(NSString *)key {
    
}

@end

//
//  Province.h
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "BaseModel.h"

@interface Province : BaseModel

@property (nonatomic,retain) NSString *provinceName;
@property (nonatomic,retain) NSArray *cityArray;

@end

//
//  Province.m
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "Province.h"
#import "City.h"

@implementation Province

- (void)setValue:(id)value forKey:(NSString *)key {
    if ([key isEqualToString:@"cityArray"]) {
        NSMutableArray *cityArray = [NSMutableArray array];
        for (NSDictionary *cityDic in value) {
            City *city = [[City alloc] init];
            [city setValuesForKeysWithDictionary:cityDic];
            [cityArray addObject:city];
        }
        self.cityArray = [cityArray copy];
    }else {
        //如果不是cityArray直接賦值
        [super setValue:value forKey:key];
    }
}

@end

//
//  City.h
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "BaseModel.h"

@interface City : BaseModel

@property (nonatomic,retain) NSString *cityName;
@property (nonatomic,retain) NSArray *areaArray;

@end

//
//  City.m
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "City.h"
#import "Province.h"
#import "Area.h"

@implementation City

-(void)setValue:(id)value forKey:(NSString *)key {
    if ([key isEqualToString:@"areaArray"]) {
        NSMutableArray *areaArray = [NSMutableArray array];
        for (NSString *name in value) {
            Area *area = [[Area alloc] init];
//            [area setAreaName:areaName];
            area.areaName = name;
            [areaArray addObject:area];
        }
        self.areaArray = [areaArray copy];
    }else {
        [super setValue:value forKey:key];
    }
}

@end

//
//  Area.h
//  UI08_省市區_模型嵌套
//
//  Created by lanou3g on 17/8/14.
//  Copyright ? 2017年 lanou3g. All rights reserved.
//

#import "BaseModel.h"

@interface Area : BaseModel

@property (nonatomic,retain) NSString *areaName;

@end