//
//  TableViewController.m
//  SWRefresh
//
//  Created by SolaWing on 16/1/4.
//  Copyright  2016 SW. All rights reserved.
//

#import "TableViewController.h"
#import "UIScrollView+SWRefresh.h"
#import "SWRefreshHeaderView.h"
#import "SWRefreshFooterView.h"

@interface TableViewController () 
{
}

@property (nonatomic, strong) NSMutableArray* dataSource;

@end

@implementation TableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    _dataSource = [NSMutableArray new];
    for (int i = 0; i < 1; ++i) {
        [_dataSource addObject:[NSString stringWithFormat:@"%@", [NSDate date]]];
    }
    // Do any additional setup after loading the view, typically from a nib.
    UITableView* tableView = [[UITableView alloc] initWithFrame:self.view.bounds];
    tableView.dataSource = (id)self;
    tableView.delegate = (id)self;
    [self.view addSubview:tableView];

    __weak typeof(self) weak_self = self;
    __weak typeof(tableView) weak_tableView = tableView;
    SWRefreshingBlock block = ^(SWRefreshViewModel* model){
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 2* NSEC_PER_SEC),
            dispatch_get_main_queue(), ^{
                if (weak_tableView.refreshFooterModel.state == SWRefreshStateNoMoreData) {
                    [weak_self.dataSource removeAllObjects];
                    [weak_tableView.refreshFooterModel resetNoMoreData];
                }
                for (int i = 0; i < 3; ++i) {
                    [weak_self.dataSource addObject:[NSDate date].description];
                }
                [weak_tableView.refreshHeaderModel endRefreshing:YES];
                [weak_tableView reloadData];
        });
    };
    tableView.refreshHeader = [SWRefreshHeaderView headerWithRefreshingBlock:block];
    block =^(SWRefreshViewModel* model){
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 2* NSEC_PER_SEC),
            dispatch_get_main_queue(), ^{
                for (int i = 0; i < 3; ++i) {
                    [weak_self.dataSource addObject:[NSDate date].description];
                }
                [weak_tableView reloadData];
                if (weak_self.dataSource.count > 20){
                    [weak_tableView.refreshFooterModel endRefreshingWithNoMoreData:YES];
                } else {
                    [weak_tableView.refreshFooterModel endRefreshing:YES];
                }
        });
    };
    tableView.refreshFooter = [SWRefreshFooterView footerWithRefreshingBlock:block];
    // comment this to see nomore state
    tableView.refreshFooter.hideWhenNoMore = true;

    tableView.contentInset = UIEdgeInsetsMake(50, 0, 0, 0);
    CGRect frame = tableView.bounds;
    frame.origin.y = -50;
    frame.size.height = 50;
    UILabel* insetTopLabel = [[UILabel alloc] initWithFrame:frame];
    insetTopLabel.backgroundColor = [UIColor greenColor];
    insetTopLabel.text = @"this is inset top placeholder!";
    insetTopLabel.textAlignment = NSTextAlignmentCenter;
    [tableView addSubview:insetTopLabel];

    // if (@available(iOS 11.0, *)) {
    //     tableView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
    // }
    tableView.refreshHeader.headerOffset = 50;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {return 1;}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return _dataSource.count;
}

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

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
#define CellIdentifier @"cell"
    UITableViewCell* cell =
        [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (!cell){
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
                                      reuseIdentifier:CellIdentifier];
    }
    cell.textLabel.text = _dataSource[indexPath.row];
    return cell;
}

@end