#import "STRootViewController.h"

#import "STSortViewController.h"

#import "STHanoiViewController.h"

@interface STRootViewController ()

@property (nonatomic, strong) NSArray * dataSource;

@property (nonatomic, strong) NSArray * sortArray;

@property (nonatomic, strong) UILabel * numberOfHanoiDiskLabel;

@property (nonatomic, assign) NSInteger numberOfDisks;

@implementation STRootViewController

- (instancetype) initWithCoder:(NSCoder *)aDecoder {

self = [super initWithCoder:aDecoder];

if (self) {

NSArray * array = @[@(20),@(6),@(2),@(8),@(9),@(12), @(2), @(4), @(3), @(4), @(7), @(11)];

self.sortArray = array;

NSMutableArray * dataSource = [NSMutableArray arrayWithCapacity:2];

NSMutableArray * section0 = [NSMutableArray arrayWithCapacity:2];

[section0 addObject:@{@"type":@(STArraySortTypeBubbleSort), @"title":@"冒泡排序"}];

[section0 addObject:@{@"type":@(STArraySortTypeSelectSort), @"title":@"选择排序"}];

[section0 addObject:@{@"type":@(STArraySortTypeInsertSort), @"title":@"插入排序"}];

[section0 addObject:@{@"type":@(STArraySortTypeQuickSort), @"title":@"快速排序"}];

NSString * section0Title = [NSString stringWithFormat:@"几种常用的排序算法, 排序数据源\n%@", [self.sortArray componentsJoinedByString:@","]];

NSDictionary * section0Dict = @{@"sectionHeaderTitle":section0Title, @"section":section0};

[dataSource addObject:section0Dict];

NSMutableArray * section1 = [NSMutableArray arrayWithCapacity:2];

[section1 addObject:@{@"type":@(STArraySortTypeBubbleSort), @"title":@"汉诺塔算法"}];

NSString * section1Title = [NSString stringWithFormat:@"经典的几种递归算法\n"];

NSDictionary * section1Dict = @{@"sectionHeaderTitle":section1Title, @"section":section1};

[dataSource addObject:section1Dict];

self.dataSource = dataSource;

}

return self;

}

- (id)initWithStyle:(UITableViewStyle)style {

self = [super initWithStyle:style];

if (self) {

// Custom initialization

}

return self;

}

- (void)viewDidLoad {

[super viewDidLoad];

self.navigationItem.title = @"算法分析";

UIView * tableHeaderView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 90)];

UILabel * label = [[UILabel alloc] initWithFrame:CGRectMake(20, 10, 80, 30)];

label.textAlignment = NSTextAlignmentLeft;

label.text = @"速度比例";

label.textColor = [UIColor blackColor];

[tableHeaderView addSubview:label];

id speed = [[NSUserDefaults standardUserDefaults] valueForKey:@"STMoveAnimationDuration"];

if (!speed) {

speed = @(0.5);

[[NSUserDefaults standardUserDefaults] setValue:speed forKey:@"STMoveAnimationDuration"];

[[NSUserDefaults standardUserDefaults] synchronize];

}

UISlider * slider = [[UISlider alloc] initWithFrame:CGRectMake(100, 10, 200, 30)];

[tableHeaderView addSubview:slider];

slider.minimumValue = 0.2;

slider.maximumValue = 1.2;

slider.value = [speed floatValue];

slider.continuous = NO;

[slider addTarget:self action:@selector(speedChanged:) forControlEvents:UIControlEventValueChanged];

UILabel * label2 = [[UILabel alloc] initWithFrame:CGRectMake(20, 50, 80, 30)];

label2.textAlignment = NSTextAlignmentLeft;

label2.text = @"汉诺塔数";

label2.textColor = [UIColor blackColor];

[tableHeaderView addSubview:label2];

id disks = [[NSUserDefaults standardUserDefaults] valueForKey:@"STNumberOfHanoiDisks"];

if (!disks) {

disks = @(4);

}

self.numberOfHanoiDiskLabel = [[UILabel alloc] initWithFrame:CGRectMake(100, 50, 50, 30)];

self.numberOfHanoiDiskLabel.textAlignment = NSTextAlignmentLeft;

[self updateNumberOfDisks:[disks intValue]];

self.numberOfHanoiDiskLabel.textColor = [UIColor blackColor];

[tableHeaderView addSubview:self.numberOfHanoiDiskLabel];

UIStepper * stepper = [[UIStepper alloc] initWithFrame:CGRectMake(150, 50, 200, 30)];

stepper.minimumValue = 3;

stepper.maximumValue = 10;

stepper.value = [disks intValue];

[stepper addTarget:self action:@selector(numberOfDiskChanged:) forControlEvents:UIControlEventValueChanged];

[tableHeaderView addSubview:stepper];

self.tableView.tableHeaderView = tableHeaderView;

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (void) speedChanged:(UISlider *) slider {

NSUserDefaults * userDefault = [NSUserDefaults standardUserDefaults];

[userDefault setValue:@(slider.value) forKey:@"STMoveAnimationDuration"];

[userDefault synchronize];

}

- (void) updateNumberOfDisks:(NSInteger) numberOfDisks {

self.numberOfDisks = numberOfDisks;

self.numberOfHanoiDiskLabel.text = [NSString stringWithFormat:@"%d", numberOfDisks];

[[NSUserDefaults standardUserDefaults] setValue:@(numberOfDisks) forKey:@"STNumberOfHanoiDisks"];

[[NSUserDefaults standardUserDefaults] synchronize];

}

- (void) numberOfDiskChanged:(UIStepper *) sender {

[self updateNumberOfDisks:sender.value];

}

#pragma mark - Table view data source

- (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {

NSDictionary * sectionInfo = [self.dataSource objectAtIndex:section];

return [sectionInfo valueForKey:@"sectionHeaderTitle"];

}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

// Return the number of sections.

return self.dataSource.count;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

// Return the number of rows in the section.

NSDictionary * sectionInfo = [self.dataSource objectAtIndex:section];

return [[sectionInfo valueForKey:@"section"] count];

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

UITableViewCell * tableViewCell = [tableView dequeueReusableCellWithIdentifier:@"Identifier"];

// Configure the cell...

NSDictionary * sectionInfo = [self.dataSource objectAtIndex:indexPath.section];

NSArray * rowInfo = [[sectionInfo valueForKey:@"section"] objectAtIndex:indexPath.row];

tableViewCell.textLabel.text = [rowInfo valueForKey:@"title"];

return tableViewCell;

}

- (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

NSDictionary * sectionInfo = [self.dataSource objectAtIndex:indexPath.section];

NSArray * rowInfo = [[sectionInfo valueForKey:@"section"] objectAtIndex:indexPath.row];

if (indexPath.section == 0) {

STSortViewController * viewController = (STSortViewController *) [self.storyboard instantiateViewControllerWithIdentifier:@"STSortViewController"];

viewController.sortArray = self.sortArray;

viewController.arraySortType = [[rowInfo valueForKey:@"type"] intValue];

[self.navigationController pushViewController:viewController animated:YES];

} else if (indexPath.section == 1) {

if (indexPath.row == 0) {

STHanoiViewController * viewController = (STHanoiViewController *)[self.storyboard instantiateViewControllerWithIdentifier:@"STHanoiViewController"];

viewController.numberOfHanois = self.numberOfDisks;

[self.navigationController pushViewController:viewController animated:YES];

}

}

}