//

//  YFMVCPostListViewController.m

//  iOS122

//

//  Created by 颜风 on 15/10/14.

//  Copyright (c) 2015年 iOS122. All rights reserved.

//

#import "YFMVCPostListViewController.h"

#import "YFArticleModel.h"

#import <AFNetworking.h>

#import <MJRefresh.h>

#import <MBProgressHUD.h>

#import "YFMVCPostViewController.h"

@interface YFMVCPostListViewController ()<UITableViewDelegate, UITableViewDataSource>

@property (nonatomic, strong) UITableView * tableView;

@property (nonatomic, strong) NSMutableArray * articles; //!< 文章数组,内部存储AFArticleModel类型.

@property (assign, nonatomic) NSInteger page; //!< 数据页数.表示下次请求第几页的数据.

@end

@implementation YFMVCPostListViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view.

}

- (NSMutableArray *)articles

{

    if (nil == _articles) {

        _articles = [NSMutableArray arrayWithCapacity: 42];

    }

    return _articles;

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (void)viewWillAppear:(BOOL)animated

{

    [super viewWillAppear: animated];

    // 马上进入刷新状态

    [self.tableView.header beginRefreshing];

}

- (UITableView *)tableView

{

    if (nil == _tableView) {

        _tableView = [[UITableView alloc] init];

        [self.view addSubview: _tableView];

        [_tableView makeConstraints:^(MASConstraintMaker *make) {

            make.edges.equalTo(UIEdgeInsetsMake(0, 0, 0, 0));

        }];

        _tableView.delegate = self;

        _tableView.dataSource = self;

        NSString * cellReuseIdentifier = NSStringFromClass([UITableViewCell class]);

        [_tableView registerClass: NSClassFromString(cellReuseIdentifier) forCellReuseIdentifier:cellReuseIdentifier];

        _tableView.header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{

            self.page = 0;

            [self updateData];

        }];

        _tableView.footer = [MJRefreshBackNormalFooter footerWithRefreshingBlock:^{

            [self updateData];

        }];

    }

    return _tableView;

}

/**

 * 更新视图.

 */

- (void) updateView

{

    [self.tableView reloadData];

}

/**

 *  停止刷新

 */

-(void)endRefresh{

    [self.tableView.header endRefreshing];

    [self.tableView.footer endRefreshing];

}

/**

 *  更新数据.

 *

 *  数据更新后,会自动更新视图.

 */

- (void)updateData

{

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

    NSString * urlStr = [NSString stringWithFormat: @"http://www.ios122.com/find_php/index.php?viewController=YFPostListViewController&model[category]=%@&model[page]=%ld", self.categoryName, (long)self.page ++];

    [manager GET: urlStr parameters:nil success:^(AFHTTPRequestOperation *operation, id responseObject) {

        [self endRefresh];

        if (1 == self.page) { // 说明是在重新请求数据.

            self.articles = nil;

        }

        NSArray * responseArticles = [YFArticleModel objectArrayWithKeyValuesArray: responseObject];

        [self.articles addObjectsFromArray: responseArticles];

        [self updateView];

    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {

        [self endRefresh];

        MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];

        hud.mode = MBProgressHUDModeText;

        hud.labelText = @"您的网络不给力!";

        [hud hide: YES afterDelay: 2];

    }];

}

# pragma mark - tabelView代理方法.

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

    NSInteger number  = self.articles.count;

    return number;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    NSString * cellReuseIdentifier = NSStringFromClass([UITableViewCell class]);

    UITableViewCell * cell = [tableView dequeueReusableCellWithIdentifier: cellReuseIdentifier forIndexPath:indexPath];

    YFArticleModel * model = self.articles[indexPath.row];

    NSString * content = [NSString stringWithFormat: @"标题:%@ 内容:%@", model.title, model.desc];

    cell.textLabel.text = content;

    cell.selectionStyle = UITableViewCellSelectionStyleNone;

    return cell;

}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    // 跳转到博客详情.

    YFArticleModel * articleModel = self.articles[indexPath.row];

    YFMVCPostViewController * postVC = [[YFMVCPostViewController alloc] init];

    postVC.articleID = articleModel.id;

    [self.navigationController pushViewController: postVC animated: YES];

}

@end