//
//  MTStatefulBaseView.m
//  Meet
//
//  Created by ko1o on 2018/10/26.
//  Copyright © 2018年 ko1o. All rights reserved.
//

#import "MTStatefulBaseView.h"
#import "UIView+MTCreate.h"
#import "UIImage+Scale.h"

@implementation MTStatefulConfigItem



@end
@interface MTStatefulBaseView ()

@property (nonatomic, strong)  UIActivityIndicatorView * refreshLoadingView;
@property (nonatomic, strong)  UIButton * stateButton;
@property (nonatomic, strong)  UIButton * refreshButton;
@property (nonatomic, weak) id<MTStatefulBaseViewDelegate> delegate;

@end

@implementation MTStatefulBaseView

- (void)dealloc
{
    ;
}
- (instancetype)initWithFrame:(CGRect)frame type:(MTStatefulViewType)statefulViewType delegate:(id<MTStatefulBaseViewDelegate>)delegate
{
    if (self = [super initWithFrame:frame]) {
        _statefulViewType = statefulViewType;
        self.delegate = delegate;
    
        if (MTStatefulViewTypeLoading == statefulViewType) {
            _refreshLoadingView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
            _refreshLoadingView.color = UIColor.whiteColor;
            [self addSubview:_refreshLoadingView];
            [_refreshLoadingView startAnimating];
        }
        MTStatefulConfigItem *item = [self statefulConfigItemForStatefulViewType:statefulViewType];

        if (MTStatefulViewTypeError == statefulViewType || MTStatefulViewTypeEmpty == statefulViewType) {
            self.stateButton = [[UIButton alloc]init];
            [self.stateButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
            self.stateButton.titleLabel.font = NORMAL_FONT;
            UIImage *image = nil;
            
            if (!item.shouldOnlyShowTitle) {
                image = ImageNamed(@"TH_empty_page_icon");
                image = [UIImage imageWithImage:image scaledToSize:CGSizeMake(FIX_SIZE(150), FIX_SIZE(150))];
                [self.stateButton setImage:image forState:UIControlStateNormal];
            }
            
            NSString *  title = item.statefulTitle;
            if (MTStatefulViewTypeError == statefulViewType) {
                [self.stateButton setTitle:title.length > 0 ? title : @"加载失败，请稍后再试" forState:UIControlStateNormal];
            }
            if (MTStatefulViewTypeEmpty == statefulViewType) {
                [self.stateButton setTitle: title.length > 0 ? title : @"空空无也~" forState:UIControlStateNormal];
            }
            
            [self.stateButton sizeToFit];
            self.stateButton.userInteractionEnabled = NO;
            [self addSubview:self.stateButton];
            if (image) {
                [self.stateButton mt_centerVerticallyWithPadding:FIX_SIZE(10)];
            }
        }


        if (MTStatefulViewTypeError == statefulViewType ) {
            BOOL shouldShowRefresh = NO;

            if (item) {
                shouldShowRefresh  = item.shouldShowErrorRefresh;
            }
            if (shouldShowRefresh) {
                self.refreshButton = [UIButton mt_commonButtonWithTitle:@"刷新" target:self action:@selector(handleRefresh:)];
                self.refreshButton.layer.cornerRadius = 3;
                [self addSubview:self.refreshButton];
            }
        }
    }
    return self;
}

- (MTStatefulConfigItem *)statefulConfigItemForStatefulViewType:(MTStatefulViewType)type
{
    if ([self.delegate respondsToSelector:@selector(statefulConfigItemForStatefulViewType:)]) {
        MTStatefulConfigItem *item = [[self delegate]statefulConfigItemForStatefulViewType:type];
        return item;
    }
    return nil;
}

- (void)handleRefresh:(UIButton *)button
{
    dispatch_block_t block =  [self statefulConfigItemForStatefulViewType:MTStatefulViewTypeError].didClickedRefreshBlock;
    if (block) {
        block();
    }
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    _refreshLoadingView.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds));
    
    [_stateButton sizeToFit];
    
    if (_refreshButton) {
        _refreshButton.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds));
        _stateButton.centerX = CGRectGetMidX(self.bounds);
        _stateButton.bottom = _refreshButton.top - FIX_SIZE(40);
    } else {
        _stateButton.center = CGPointMake(CGRectGetMidX(self.bounds), CGRectGetMidY(self.bounds) - FIX_SIZE(40));
    }
    self.superview.userInteractionEnabled = NO;
    self.userInteractionEnabled = NO;
    self.backgroundColor = BG_COLOR;
}

#pragma mark - BXYStatefulPlaceHolderView

- (UIEdgeInsets)placeholderViewInsets {
    return UIEdgeInsetsMake(-SCREEN_HEIGHT * 0.3, 0, 0, 0);
}

@end