//
//  TLTalkButton.m
//  TLChat
//
//  Created by 李伯坤 on 16/7/11.
//  Copyright © 2016年 李伯坤. All rights reserved.
//

#import "TLTalkButton.h"
#import "UIImage+Color.h"

@interface TLTalkButton ()

@property (nonatomic, strong) void (^touchBegin)();
@property (nonatomic, strong) void (^touchMove)(BOOL cancel);
@property (nonatomic, strong) void (^touchCancel)();
@property (nonatomic, strong) void (^touchEnd)();

@end

@implementation TLTalkButton

- (id)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
        [self setNormalTitle:@"按住 说话"];
        [self setHighlightTitle:@"松开 结束"];
        [self setCancelTitle:@"送开 取消"];
        [self setHighlightColor:[UIColor colorWithWhite:0.0 alpha:0.1]];
        [self.layer setMasksToBounds:YES];
        [self.layer setCornerRadius:4.0f];
        [self.layer setBorderWidth:BORDER_WIDTH_1PX];
        [self.layer setBorderColor:[UIColor colorWithWhite:0.0 alpha:0.3].CGColor];
        
        [self addSubview:self.titleLabel];
        [self p_addMasonry];
    }
    return self;
}

#pragma mark - # Public Methods
- (void)setTouchBeginAction:(void (^)())touchBegin willTouchCancelAction:(void (^)(BOOL))willTouchCancel touchEndAction:(void (^)())touchEnd touchCancelAction:(void (^)())touchCancel
{
    self.touchBegin = touchBegin;
    self.touchMove = willTouchCancel;
    self.touchCancel= touchCancel;
    self.touchEnd = touchEnd;
}

#pragma mark - # Event Response
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self setBackgroundColor:self.highlightColor];
    [self.titleLabel setText:self.highlightTitle];
    if (self.touchBegin) {
        self.touchBegin();
    }
}

- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    if (self.touchMove) {
        CGPoint curPoint = [[touches anyObject] locationInView:self];
        BOOL moveIn = curPoint.x >= 0 && curPoint.x <= self.width && curPoint.y >= 0 && curPoint.y <= self.height;
        [self.titleLabel setText:(moveIn ? self.highlightTitle : self.cancelTitle)];
        self.touchMove(!moveIn);
    }
}

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self setBackgroundColor:[UIColor clearColor]];
    [self.titleLabel setText:self.normalTitle];
    CGPoint curPoint = [[touches anyObject] locationInView:self];
    BOOL moveIn = curPoint.x >= 0 && curPoint.x <= self.width && curPoint.y >= 0 && curPoint.y <= self.height;
    if (moveIn && self.touchEnd) {
        self.touchEnd();
    }
    else if (!moveIn && self.touchCancel) {
        self.touchCancel();
    }
}

- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [self setBackgroundColor:[UIColor clearColor]];
    [self.titleLabel setText:self.normalTitle];
    if (self.touchCancel) {
        self.touchCancel();
    }
}

#pragma mark - # Private Methods 
- (void)p_addMasonry
{
    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(self);
    }];
}

#pragma mark - # Getter
- (UILabel *)titleLabel
{
    if (_titleLabel == nil) {
        _titleLabel = [[UILabel alloc] init];
        [_titleLabel setFont:[UIFont boldSystemFontOfSize:16.0f]];
        [_titleLabel setTextColor:[UIColor colorWithRed:0.3 green:0.3 blue:0.3 alpha:1.0]];
        [_titleLabel setTextAlignment:NSTextAlignmentCenter];
        [_titleLabel setText:self.normalTitle];
    }
    return _titleLabel;
}

@end