KDProject/KuDianProject/Search/Controller/KDPSearchVie...

//
//  KDPSearchViewController.m
//  KuDianProject
//
//  Created by admin on 2019/7/10.
//  Copyright © 2019 KDP. All rights reserved.
//

#import "KDPSearchViewController.h"
#import "MSSAutoresizeLabelFlow.h"
#import "KDPSearchResultViewController.h"
@interface KDPSearchViewController ()<UITextFieldDelegate,UITableViewDelegate,UITableViewDataSource>

@property (nonatomic, strong) UITableView *tableview;

@property (nonatomic, strong) NSMutableArray *historyDataArray;

@property (nonatomic, strong) NSMutableArray *searchArray;

@property (nonatomic, strong) UIView *historyView;

@property (nonatomic, strong) UITextField *searchTextField;

@property (nonatomic, strong) MSSAutoresizeLabelFlow *flowView;

@end

@implementation KDPSearchViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    [self setUpNav];
    [self loadHisttoryData];
    [self setContentView];
}

- (void)setUpNav{
    [self.navBar setLineViewWithHidden:YES];
    self.navBar.backgroundColor = [UIColor colorWithHex:0xf9f9f9];
    self.view.backgroundColor = [UIColor whiteColor];
    
    UIView *searchView = [[UIView alloc] initWithFrame:CGRectMake(10, KDStatusHeight + 7, SCREEN_WIDTH-85, 31)];
    searchView.layer.cornerRadius = 16;
    searchView.layer.masksToBounds = YES;
    searchView.backgroundColor = [UIColor whiteColor];
    [self.navBar addSubview:searchView];
    
    UIImageView *searchIcon = [[UIImageView alloc] initWithFrame:CGRectMake(13, 8, 15, 15)];
    searchIcon.image = [UIImage imageNamed:@"search_icon"];
    [searchView addSubview:searchIcon];
    
    self.searchTextField = [[UITextField alloc] initWithFrame:CGRectMake(searchIcon.right + 7, 4.5, searchView.width-45, 22)];
    self.searchTextField.delegate = self;
    self.searchTextField.font = FONT_SYS(14);
    self.searchTextField.textColor = [UIColor colorWithHex:0x8F8F95];
    self.searchTextField.returnKeyType = UIReturnKeySearch;
    self.searchTextField.backgroundColor = [UIColor clearColor];
    self.searchTextField.placeholder = @"搜索想要的内容";
    [searchView addSubview:self.searchTextField];
    
    UIButton *cancelBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    cancelBtn.frame = CGRectMake(SCREEN_WIDTH-55, 0, 35, 21);
    cancelBtn.centerY = searchView.centerY;
    [cancelBtn setTitle:@"取消" forState:UIControlStateNormal];
    [cancelBtn setTitleColor:[UIColor colorWithHex:0x666666] forState:UIControlStateNormal];
    cancelBtn.titleLabel.font = FONT_SYS(15);
    [cancelBtn addTarget:self action:@selector(cancelAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.navBar addSubview:cancelBtn];
    
    [[NSNotificationCenter defaultCenter]addObserver:self selector:@selector(textchangeclick) name:UITextFieldTextDidChangeNotification object:nil];

}

- (void)loadHisttoryData{
    [self.historyDataArray removeAllObjects];
    NSArray *saveHistory = [NSKeyedUnarchiver unarchiveObjectWithFile:SearchPath];
    [self.historyDataArray addObjectsFromArray:saveHistory];
}

- (void)setContentView{
    [self.view addSubview:self.tableview];
    [self.tableview mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(UIEdgeInsetsMake(KDNavBarHeight, 0, 0, 0));
    }];
    
    [self.view addSubview:self.historyView];
    [self.historyView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(UIEdgeInsetsZero);
    }];
    
    UILabel *searchHistLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, KDNavBarHeight + 10, 100, 30)];
    searchHistLabel.text = @"搜索历史";
    searchHistLabel.textColor = [UIColor colorWithHex:0x666666];
    searchHistLabel.font = FONT_SYS(14);
    [self.historyView addSubview:searchHistLabel];
    
    UIButton *deleteBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    [deleteBtn setTitle:@"清空" forState:UIControlStateNormal];
    [deleteBtn setTitleColor:[UIColor colorWithHex:0x808080] forState:UIControlStateNormal];
    [deleteBtn setImage:[UIImage imageNamed:@"delete_collection"] forState:UIControlStateNormal];
    [deleteBtn addTarget:self action:@selector(deleteAction) forControlEvents:UIControlEventTouchUpInside];
    deleteBtn.titleLabel.font = FONT_SYS(13);
    [deleteBtn setButtonStyle:WSLButtonStyleImageLeft spacing:3];
    [self.historyView addSubview:deleteBtn];
    [deleteBtn mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(KDNavBarHeight + 10);
        make.right.equalTo(-20);
        make.height.equalTo(30);
    }];
    
    self.flowView = [[MSSAutoresizeLabelFlow  alloc] initWithFrame:CGRectMake(0, searchHistLabel.bottom, self.view.width, 10) titles:self.historyDataArray selectedHandler:^(NSUInteger index, NSString *title) {
        [self skipToResultWithString:title];
    }];
    [self.historyView addSubview:self.flowView];
    
    self.historyView.hidden = self.historyDataArray.count == 0 ? YES : NO;
    
}

- (void)requestSearchData:(NSString *)keyWord{
    NSString *searchUrl = [NSString stringWithFormat:@"%@api/goods/searchAdvice",KDURL];
    [KDPNetworkRequestHTTP postURL:searchUrl params:@{@"keyword":keyWord} success:^(id  _Nonnull json) {
        NSArray *data = json[@"data"];
        [self.searchArray removeAllObjects];
        [self.searchArray addObjectsFromArray:data];
        if (self.searchArray.count) {
            self.historyView.hidden = YES;
            self.tableview.hidden = NO;
        } else{
            self.historyView.hidden = NO;
            self.tableview.hidden = YES;
        }
        [self.tableview reloadData];
    } failure:^(NSError * _Nonnull error) {
        
    }];
}

- (void)skipToResultWithString:(NSString *)searchText{
    if (![self.historyDataArray containsObject:searchText]) {
        [self.historyDataArray addObject:searchText];
    }
    [self saveHistory];
    
    // 跳转到结果页
    KDPSearchResultViewController *searchResultVC = [[KDPSearchResultViewController alloc] init];
    searchResultVC.keyWordStr = searchText;
    [self.navigationController pushViewController:searchResultVC animated:NO];
    
}

- (void)saveHistory{
    BOOL success = [NSKeyedArchiver archiveRootObject:self.historyDataArray toFile:SearchPath];
    if (success) {
        NSLog(@"保存成功");
        [self.flowView reloadAllWithTitles:self.historyDataArray];
    }
}

- (void)cancelAction:(UIButton *)sender{
    [self.navigationController popViewControllerAnimated:NO];
}

- (void)textchangeclick{
    if (self.searchTextField.text.length>0) {
        [self requestSearchData:self.searchTextField.text];
    }
}

- (void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleDefault;
}

- (void)viewWillDisappear:(BOOL)animated{
    [super viewWillDisappear:animated];
    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
}

- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
    if ( textField.text.length>0) {
        [self skipToResultWithString:textField.text];
    }
    return YES;
}

- (void)deleteAction{
    [self.historyDataArray removeAllObjects];
    [self saveHistory];
    [self.flowView reloadAllWithTitles:self.historyDataArray];
    self.historyView.hidden = YES;
}

#pragma UITableview delegate and datasource

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"searchList"];
    cell.selectionStyle = UITableViewCellSelectionStyleNone;
    if (!cell) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"searchList"];
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
        UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 49, SCREEN_WIDTH, 1)];
        lineView.backgroundColor = [UIColor colorWithHex:0xf4f4f4];
        [cell.contentView addSubview:lineView];
    }
    cell.textLabel.text = self.searchArray[indexPath.row];
    return cell;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    return self.searchArray.count;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
    [self skipToResultWithString:self.searchArray[indexPath.row]];
}

#pragma mark - 懒加载

- (NSMutableArray *)historyDataArray{
    if (!_historyDataArray) {
        _historyDataArray = [NSMutableArray array];
    }
    return _historyDataArray;
}

- (NSMutableArray *)searchArray{
    if (!_searchArray) {
        _searchArray = [NSMutableArray array];
    }
    return _searchArray;
}

- (UITableView *)tableview{
    if (!_tableview) {
        _tableview = [[UITableView alloc] init];
        _tableview.delegate = self;
        _tableview.dataSource = self;
        _tableview.backgroundColor = [UIColor whiteColor];
        _tableview.separatorStyle = UITableViewCellSeparatorStyleNone;
        _tableview.hidden = YES;
        _tableview.showsVerticalScrollIndicator = NO;
        _tableview.showsHorizontalScrollIndicator = NO;
        _tableview.rowHeight = 50;
        [_tableview registerClass:[UITableViewCell class] forCellReuseIdentifier:@"searchList"];
    }
    return _tableview;
}

- (UIView *)historyView{
    if (!_historyView) {
        _historyView = [[UIView alloc] init];
        _historyView.backgroundColor = [UIColor whiteColor];
    }
    return _historyView;
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{
    [self.view endEditing:YES];
}

@end