//
//  SettingController.m
//  BuWanVideo2.0
//
//  Created by weikou2016 on 16/8/10.
//  Copyright © 2016年 com.yeshi.buwansheque.ios. All rights reserved.
//

#import "SettingController.h"
#import "StorageSpaceTableViewCell.h"
#import "SettingWebView.h"
#import "UIView+Toast.h"

#define indentfly @"cell"
#define indentfly1 @"Mcell"
#define indentfly2 @"WIFIcell"
#define indentfly_logout @"LogoutCell"
#define indentfly_unregister @"UnregisterCell"

@interface SettingController()<UITableViewDelegate,UITableViewDataSource>{
    BOOL _userOnLine;
}
@property (nonatomic, strong) UITableView *mytableview;
@property (nonatomic , strong) NSMutableArray *dataAry;//数据源

@end


@implementation SettingController

- (void)viewWillAppear:(BOOL)animated {
    _userOnLine=[[NSUserDefaults standardUserDefaults] boolForKey:@"userOnLine"];
    if(_mytableview){
        [_mytableview reloadData];
    }
    [super viewWillAppear:animated];
    [self.navigationController setNavigationBarHidden:NO animated:animated];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self loadData];
}

-(void)loadData{
    self.navigationItem.title = @"设置";
    self.navigationController.navigationBar.titleTextAttributes = @{NSFontAttributeName:[UIFont systemFontOfSize:18],NSForegroundColorAttributeName:[UIColor blackColor]};
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    [button setImage:[[UIImage imageNamed:@"详情页面返回"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal] forState:UIControlStateNormal];
    [button addTarget:self action:@selector(back:) forControlEvents:UIControlEventTouchUpInside];
    button.frame = CGRectMake(0, 0, 32, 32);
    UIBarButtonItem *iconBarItem=[[UIBarButtonItem alloc] initWithCustomView:button];
    self.navigationItem.leftBarButtonItem = iconBarItem;
    
    _dataAry = [[NSMutableArray alloc] initWithObjects:@[@"清空图片缓存"],@[@"手机存储"],@[@"常见问题",@"关于我们",@"免责声明",@"恢复购买"], nil];
    
    if(!_mytableview){
        _mytableview = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, KScreenW, KScreenH) style:UITableViewStyleGrouped];
        _mytableview.delegate = self;
        _mytableview.dataSource = self;
        [self.view addSubview:_mytableview];
        _mytableview.backgroundColor = kGlobalBackgroundColor;
        
        _userOnLine=[[NSUserDefaults standardUserDefaults] boolForKey:@"userOnLine"];
    }
    
    //注册自定制的两个cell（非WiFi下禁止自动下载/手机存储）
    [_mytableview registerNib:[UINib nibWithNibName:@"StorageSpaceTableViewCell" bundle:nil] forCellReuseIdentifier:indentfly1];
}

/**
 *  总的存储空间
 *
 *  @return 手机总的字节数
 */
-(NSNumber *)totalDiskSpace{
    NSDictionary *fattributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:nil];
    return [fattributes objectForKey:NSFileSystemSize];
}
/**
 *  剩余存储空间
 *
 *  @return 手机剩余字节数
 */
-(NSNumber *)freeDiskSpace{
    NSDictionary *fattributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:nil];
    return [fattributes objectForKey:NSFileSystemFreeSize];
}

/**
 *  用于退出登录
 */
-(void)OutOfLogin{
    [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"buUserInfo"];
    [[NSUserDefaults standardUserDefaults] setBool:NO forKey:@"userOnLine"];
    [[NSUserDefaults standardUserDefaults] synchronize];
    [[NSNotificationCenter defaultCenter] postNotificationName:@"RELOAD_DATA" object:nil];
    [self.navigationController popViewControllerAnimated:YES];
}

// 注销
-(void)unRegister{
    NSString *link= [[NSUserDefaults standardUserDefaults] stringForKey:UNREGISTER_LINK];
    
    if(link&&![link isEqual:@""])
    {
        NSLog(@"注销");
        SettingWebView *settingWebViewController = [[SettingWebView alloc] init];
        settingWebViewController.webTitle=@"账号注销";
        settingWebViewController.requestURL=link;
        [self.navigationController pushViewController:settingWebViewController animated:YES];
    }else{
        [self.view makeToast:@"尚未获取到注销链接"];
    }
}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    
}
#pragma mark  UITableViewDelegate UITableViewDataSource


- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    if(_userOnLine){
        if (section==3||section==4) {
            return 1;
        }
    }
    return  [_dataAry[section] count];
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    if (_userOnLine) {
        return _dataAry.count+2;
    }
    return _dataAry.count;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
    if(section==0){
        return 30;
    }else if(section==3||section==4){
        return 0;
    }
    return 22;
}

-(NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section{
    if(section==1){
        return [NSString stringWithFormat:@"当前空间"];
    }
    return [NSString stringWithFormat:@""];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    
    if(indexPath.section==1&&indexPath.row==0){
        //手机存储空间cell
        StorageSpaceTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:indentfly1];
        cell.text.text=[[_dataAry objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
        //将字节装换成GB
        float total=[[self totalDiskSpace] floatValue]/(1024.0*1024.0*1024.0);
        cell.total.text=[NSString stringWithFormat:@"%0.2f",total];
        //将字节装换成GB
        float margin=[[self freeDiskSpace] floatValue]/(1024.0*1024.0*1024.0);
        cell.margin.text=[NSString stringWithFormat:@"%0.2f",margin];
        
        [cell.total sizeToFit];
        [cell.margin sizeToFit];
        return cell;
        
    }else if(indexPath.section==3){
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:indentfly_logout];
        if (cell==nil) {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:indentfly_logout];
            [cell setAccessoryType:UITableViewCellAccessoryNone];
        }
        
        UIButton *outButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, KScreenW, 44)];
        [outButton setBackgroundColor:kGlobalBlueColor];
        [outButton setTitle:@"退出登录" forState:UIControlStateNormal];
        [outButton setTintColor:[UIColor whiteColor]];
        [outButton addTarget:self action:@selector(OutOfLogin) forControlEvents:UIControlEventTouchUpInside];
        [cell.viewForLastBaselineLayout addSubview:outButton];
        
        return cell;
    }else if(indexPath.section==4){
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:indentfly_unregister];
        if (cell==nil) {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:indentfly_unregister];
            [cell setAccessoryType:UITableViewCellAccessoryNone];
        }
        
        UIButton *outButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, KScreenW, 44)];
        [outButton setBackgroundColor:[UIColor whiteColor]];
//        [outButton setBackgroundColor:kGlobalBlueColor];
        [outButton setTitle:@"注销账号" forState:UIControlStateNormal];
        [outButton setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
        [outButton setTintColor:[UIColor grayColor]];
        [outButton addTarget:self action:@selector(unRegister) forControlEvents:UIControlEventTouchUpInside];
        [cell.viewForLastBaselineLayout addSubview:outButton];
        
        return cell;
    }else{
        UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:indentfly];
        if (cell == nil) {
            cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:indentfly];
            [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
        }
        cell.textLabel.text = [[_dataAry objectAtIndex:indexPath.section] objectAtIndex:indexPath.row];
        return cell;
    }
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    [tableView deselectRowAtIndexPath:indexPath animated:NO];
    if (indexPath.section==0) {
        switch (indexPath.row) {
            case 0:{//清空图片缓存
                NSString *str = [NSString stringWithFormat:@"确认清空%.2fM图片缓存！",[self filePath]];
                UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"温馨提示" message:str preferredStyle:UIAlertControllerStyleAlert];
                
                UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
                    NSLog(@"点击取消");
                }];
                
                UIAlertAction *otherAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
                    [self deleteFile];
                }];
                
                [alertController addAction:cancelAction];
                [alertController addAction:otherAction];
                [self presentViewController:alertController animated:YES completion:nil];
            }
                break;
        }
    }
    if(indexPath.section==2){
        SettingWebView *settingWebViewController = [[SettingWebView alloc] init];
        switch (indexPath.row) {
            case 0:{//常见问题
                settingWebViewController.webTitle=@"常见问题";
                settingWebViewController.requestURL=changjianwenti;
                [self.navigationController pushViewController:settingWebViewController animated:YES];
            }
                break;
            case 1:{//关于我们
                settingWebViewController.webTitle=@"关于我们";
                settingWebViewController.requestURL=guanyuwomen;
                [self.navigationController pushViewController:settingWebViewController animated:YES];
            }
                break;
            case 2:{//免责声明
                settingWebViewController.webTitle=@"免责声明";
                settingWebViewController.requestURL=mianzeshengming;
                [self.navigationController pushViewController:settingWebViewController animated:YES];
            }
                break;
                
            case 3:{
                [UIApplication sharedApplication].keyWindow.userInteractionEnabled = NO;
                [SVProgressHUD show];
                [self performSelector:@selector(popTips) withObject:self afterDelay:2];
            }
                break;
            default:
                break;
        }
    }
    
    if(indexPath.section == 3 && indexPath.row == 0) {
        [self OutOfLogin];
    }
    if(indexPath.section == 4 && indexPath.row == 0) {
        [self unRegister];
    }
}

- (void)popTips {
    [SVProgressHUD dismiss];
    [UIApplication sharedApplication].keyWindow.userInteractionEnabled = YES;
    [self autoDisappearAlertTime:1 msg:@"没有找到可恢复购买项"];
}

#pragma mark 删除沙盒里的文件
-(void)deleteFile{
    NSString * cachPath = [ NSSearchPathForDirectoriesInDomains ( NSCachesDirectory , NSUserDomainMask , YES ) firstObject ];
    NSArray * files = [[ NSFileManager defaultManager ] subpathsAtPath :cachPath];
    for ( NSString * p in files) {
        NSError * error = nil ;
        NSString * path = [cachPath stringByAppendingPathComponent :p];
        if ([[ NSFileManager defaultManager ] fileExistsAtPath :path]) {
            [[ NSFileManager defaultManager ] removeItemAtPath :path error :&error];
        }
    }
    [_mytableview reloadData];
}

- (NSMutableArray *)readDataFromPath:(NSString *)filePath{
    NSMutableArray  *array = [NSMutableArray arrayWithCapacity:0];
    NSFileManager *manager = [NSFileManager defaultManager];
    if ([manager fileExistsAtPath:filePath]) {
        array = [NSMutableArray arrayWithContentsOfFile:filePath];
        return array;
    }
    return nil;
}

-(void)back:(id)sender{
    [self.navigationController popViewControllerAnimated:YES];
}

-( float )filePath{
    NSString * cachPath = [ NSSearchPathForDirectoriesInDomains ( NSCachesDirectory , NSUserDomainMask , YES ) firstObject ];
    return [ self folderSizeAtPath :cachPath];
}

- (float)folderSizeAtPath:( NSString *) folderPath{
    
    NSFileManager * manager = [ NSFileManager defaultManager ];
    
    if (![manager fileExistsAtPath :folderPath]){
        return 0 ;
    }
    NSEnumerator *childFilesEnumerator = [[manager subpathsAtPath :folderPath] objectEnumerator ];
    NSString * fileName;
    long long folderSize = 0 ;
    while ((fileName = [childFilesEnumerator nextObject ]) != nil ){
        NSString * fileAbsolutePath = [folderPath stringByAppendingPathComponent :fileName];
        folderSize += [ self fileSizeAtPath :fileAbsolutePath];
    }
    return folderSize/( 1024.0 * 1024.0 );
}

- ( long long ) fileSizeAtPath:( NSString *) filePath{
    NSFileManager * manager = [ NSFileManager defaultManager ];
    if ([manager fileExistsAtPath :filePath]){
        return [[manager attributesOfItemAtPath :filePath error : nil ] fileSize ];
    }
    return 0 ;
}
@end