//
//  XWCountryCodeController.m
//  XWCountryCodeDemo
//
//  Created by 邱学伟 on 16/4/19.
//  Copyright © 2016年 邱学伟. All rights reserved.
//

#import "XWCountryCodeController.h"

//判断系统语言
#define CURR_LANG ([[NSLocale preferredLanguages] objectAtIndex:0])
#define LanguageIsEnglish ([CURR_LANG isEqualToString:@"en-US"] || [CURR_LANG isEqualToString:@"en-CA"] || [CURR_LANG isEqualToString:@"en-GB"] || [CURR_LANG isEqualToString:@"en-CN"] || [CURR_LANG isEqualToString:@"en"])

@interface XWCountryCodeController()<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate,UISearchResultsUpdating>{
    //国际代码主tableview
    UITableView *countryCodeTableView;
    //搜索
    UISearchController *searchController;
//    UISearchController *searchController;
    UISearchBar *searchBar;
    //代码字典
    NSDictionary *sortedNameDict; //代码字典
    
    NSArray *indexArray;
    NSMutableArray *searchResultValuesArray;
    
    
}

@end

@interface XWCountryCodeController ()

@end

@implementation XWCountryCodeController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    //背景
    [self.view setBackgroundColor:[UIColor whiteColor]];
    
    //顶部标题
    [self.navigationItem setTitle:@"国家代码"];
    
    //创建子视图
    [self creatSubviews];
}
 //创建子视图
-(void)creatSubviews{
    searchResultValuesArray = [[NSMutableArray alloc] init];
    
    countryCodeTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 20, self.view.bounds.size.width, self.view.bounds.size.height-40) style:UITableViewStylePlain];
    [self.view addSubview:countryCodeTableView];
    //自动调整自己的宽度，保证与superView左边和右边的距离不变。
    [countryCodeTableView setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
    [countryCodeTableView setDataSource:self];
    [countryCodeTableView setDelegate:self];
    [countryCodeTableView setSectionIndexBackgroundColor:[UIColor clearColor]];
    

    
    searchController = [[UISearchController alloc]initWithSearchResultsController:nil];
    [searchController setSearchResultsUpdater:self];
    searchController.dimsBackgroundDuringPresentation=NO;
    searchController.definesPresentationContext=NO;
    searchController.searchBar.delegate=self;
    countryCodeTableView.tableHeaderView=searchController.searchBar;
    searchBar=searchController.searchBar;
    NSString *plistPathCH = [[NSBundle mainBundle] pathForResource:@"sortedChnames" ofType:@"plist"];
    NSString *plistPathEN = [[NSBundle mainBundle] pathForResource:@"sortedEnames" ofType:@"plist"];
    
    //判断当前系统语言
    if (LanguageIsEnglish) {
        sortedNameDict = [NSDictionary dictionaryWithContentsOfFile:plistPathEN];
    }else{
        sortedNameDict = [NSDictionary dictionaryWithContentsOfFile:plistPathCH];
    }
    
    indexArray = [sortedNameDict allKeys];
    indexArray = [indexArray sortedArrayUsingComparator:^NSComparisonResult(id  _Nonnull obj1, id  _Nonnull obj2) {
        return [obj1 compare:obj2];
    }];
    NSLog(@"sortedChnamesDict %@",sortedNameDict);

}

-(void)updateSearchResultsForSearchController:(UISearchController *)searchController
{
    NSLog(@"%s",__FUNCTION__);
    [searchResultValuesArray removeAllObjects];
    
    for (NSArray *array in [sortedNameDict allValues]) {
        for (NSString *value in array) {
            if ([value containsString:searchController.searchBar.text]) {
                [searchResultValuesArray addObject:value];
            }
        }
    }
    
    
    [countryCodeTableView reloadData];
}



#pragma mark - UITableView 
//section
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    if (!searchController.isActive) {
        return [sortedNameDict allKeys].count;
    }else{
        return 1;
    }
}
//row
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    if (!searchController.isActive) {
        
        NSArray *array = [sortedNameDict objectForKey:[indexArray objectAtIndex:section]];
        return array.count;
        
    }else{
        return [searchResultValuesArray count];
    }
}

//height
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
    return 44;
}

//初始化cell
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    if (!searchController.isActive) {
        static NSString *ID1 = @"cellIdentifier1";
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID1];
        if (!cell) {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID1];
        }
        //初始化cell数据!
        NSInteger section = indexPath.section;
        NSInteger row = indexPath.row;
        
        cell.textLabel.text = [[sortedNameDict objectForKey:[indexArray objectAtIndex:section]] objectAtIndex:row];
        [cell.textLabel setFont:[UIFont systemFontOfSize:16]];
        return cell;
        
    }else{
        
        static NSString *ID2 = @"cellIdentifier2";
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:ID2];
        if (!cell) {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:ID2];
        }
        if ([searchResultValuesArray count] > 0) {
            cell.textLabel.text = [searchResultValuesArray objectAtIndex:indexPath.row];
        }
        return cell;
    }
}

//indexTitle
-(NSArray<NSString *> *)sectionIndexTitlesForTableView:(UITableView *)tableView{
    if (!searchController.isActive) {
        return indexArray;
    }else{
        return nil;
    }
}
//
-(NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index{
    if (!searchController.isActive) {
        return index;
    }else{
        return 0;
    }
}

- (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
    if (!searchController.isActive) {
        if (section == 0) {
            return 0;
        }
        return 30;
    }else {
        return 0;
    }
    
}

- (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    return [indexArray objectAtIndex:section];
}

#pragma mark - 选择国际获取代码
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
    NSLog(@"选择相应国家,输出:%@",cell.textLabel.text);
    
//    //1.代理传值
//    if (self.deleagete && [self.deleagete respondsToSelector:@selector(returnCountryCode:)]) {
//        [self.deleagete returnCountryCode:cell.textLabel.text];
//    }
//    [self dismissViewControllerAnimated:YES completion:nil];
    
    //2.block传值
    if (self.returnCountryCodeBlock != nil) {
        self.returnCountryCodeBlock(cell.textLabel.text);
    }
    if (searchController.isActive) {
        [searchController  dismissViewControllerAnimated:YES completion:nil];
    }
    [self dismissViewControllerAnimated:YES completion:nil];
}


-(void)toReturnCountryCode:(returnCountryCodeBlock)block{
    self.returnCountryCodeBlock = block;
}

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

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end