//
//  FKSelectSpecContentView.m
//  FirstLink
//
//  Created by jack on 16/1/18.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKSelectSpecContentView.h"
#import "FKSelectSpecUnitView.h"
#import "FKProductSpecItem.h"
#import "FKBasicSpecItem.h"
#import "FKSelectAlertView.h"

#define kUnitViewTagBase 88

@interface FKSelectSpecContentView () <FKSelectSpecUnitViewDelegate>

@property (nonatomic, strong) NSArray                       *specItemArray;
@property (nonatomic, strong) UIScrollView                  *scrollView;

@property (nonatomic, strong) FKSelectAlertView         *alertView;

@end

@implementation FKSelectSpecContentView

- (instancetype)initWithFrame:(CGRect)frame{
    if (self = [super initWithFrame:frame]) {
        
        [self addAllSubviews];
        self.backgroundColor = UIColorFromRGB(0xf4f4f4);
    }
    return self;
}

- (void)buildForSpecItemArray:(NSArray *)specItemArray showSize:(BOOL)showSize{
    
    self.specItemArray = specItemArray;
    [self.scrollView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)];
   
    if (self.specItemArray.count == 0) return;
    
    UIView *uperUnitView = nil;
    
    for (int i = 0; i < self.specItemArray.count; i++) {
        
        FKProductSpecItem *specItem = self.specItemArray[i];
        
        FKSelectSpecUnitView *unitView = [[FKSelectSpecUnitView alloc]init];
        unitView.tag = kUnitViewTagBase + i;
        unitView.showSizeIcon = (i == 0 ? showSize : NO);
        unitView.delegate = self;
        
        CGFloat height = [FKSelectSpecUnitView contentHeightForSpecItem:specItem];
        [self.scrollView addSubview:unitView];
        
        [unitView mas_makeConstraints:^(MASConstraintMaker *make) {
            if (i == 0){
                make.top.equalTo(self.scrollView);
                make.width.equalTo(self.scrollView);
            }else{
                make.top.equalTo(uperUnitView.mas_bottom);
            }
            make.left.right.equalTo(self.scrollView);
            make.height.mas_equalTo(height);
        }];
        
        [unitView setContentForSpecItem:specItem];
        uperUnitView = unitView;
    }
    
    [self.scrollView addSubview:self.amountView];
    self.amountView.amountLabel.text = @"1";
    [self.amountView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(uperUnitView.mas_bottom).offset(5);
        make.left.right.equalTo(self.scrollView);
        make.height.mas_equalTo(30);
    }];
    
    [self.scrollView addSubview:self.alertView];
    [self.alertView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.amountView.mas_bottom).offset(20);
        make.left.right.equalTo(self.scrollView);
        make.height.mas_equalTo(44);
        make.bottom.equalTo(self.scrollView).offset(-60);
    }];
}

- (void)addAllSubviews{
    
    [self addSubview:self.scrollView];
    
    [self.scrollView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.insets(UIEdgeInsetsMake(0, 0, 0, 0));
    }];
}

- (void)reloadContent{
    for (int i = 0; i < self.specItemArray.count; i++) {
        FKSelectSpecUnitView *unitView = [self.scrollView viewWithTag:kUnitViewTagBase + i];
        if ([unitView isKindOfClass:[FKSelectSpecUnitView class]]) [unitView reloadContent];
    }
}

- (NSUInteger)selectedAmount{
    return self.amountView.amountLabel.text.integerValue;
}

#pragma mark unitView delegate

- (void)unitView:(FKSelectSpecUnitView *)unitView
  basicSpecIndex:(NSUInteger)basicSpecIndex
        selected:(BOOL)selected{
    
    NSString *selectPicUrl  = unitView.specItem.selectedPicUrl;
    if (selectPicUrl){
        [self clearAllSpecPicUrl];
        unitView.specItem.selectedPicUrl = selectPicUrl;
    }

    if ([self.delegate respondsToSelector:@selector(didChangeSpecState:)]){
        [self.delegate didChangeSpecState:self];
    }
}

- (void)showSizePic{
    // 查看尺码表
    if ([self.delegate respondsToSelector:@selector(clickShowSizeBtn)]){
        [self.delegate clickShowSizeBtn];
    }
}

- (void)showSizeLink {
    if ([self.delegate respondsToSelector:@selector(clickShowSizeLinkBtn)]){
        [self.delegate clickShowSizeLinkBtn];
    }
}

- (void)clearAllSpecPicUrl{
    for (FKProductSpecItem *specItem in self.specItemArray) {
        specItem.selectedPicUrl = nil;
    }
}

- (FKProductSpecItem *)specItemAtIndex:(NSInteger)index{
    if (index >= 0 && index < self.specItemArray.count) {
        return self.specItemArray[index];
    }
    return nil;
}

#pragma mark - action



#pragma mark - property

- (UIScrollView *)scrollView{
    if (_scrollView == nil) {
        _scrollView = [[UIScrollView alloc]init];
        _scrollView.backgroundColor = [UIColor whiteColor];
        _scrollView.showsHorizontalScrollIndicator = NO;
        _scrollView.showsVerticalScrollIndicator = NO;
        _scrollView.bounces = NO;
    }
    return _scrollView;
}

- (FKSelectAlertView *)alertView{
    if (_alertView == nil) {
        _alertView = [[FKSelectAlertView alloc]init];
    }
    return _alertView;
}

- (FKSelectSpecAmountView *)amountView{
    if (_amountView == nil) {
        _amountView = [[FKSelectSpecAmountView alloc]init];
    }
    return _amountView;
}
@end