//

// EAEditCodeReleaseViewController.m

// Coding_iOS

//

// Created by Easeeeeeeeee on 2018/3/27.

// Copyright © 2018年 Coding. All rights reserved.

//

#import "EAEditCodeReleaseViewController.h"

#import "Coding_NetAPIManager.h"

#import "EaseMarkdownTextView.h"

#import "WebContentManager.h"

#import "WebViewController.h"

#import "UIViewController+BackButtonHandler.h"

@interface EAEditCodeReleaseViewController ()

<UIWebViewDelegate>

@property (strong, nonatomic) UISegmentedControl *segmentedControl;

@property (assign, nonatomic) NSInteger curIndex;

@property (strong, nonatomic) UIWebView *preview;

@property (strong, nonatomic) UIActivityIndicatorView *activityIndicator;

@property (strong, nonatomic) UIView *editView;

@property (strong, nonatomic) UITextField *inputTitleView;

@property (strong, nonatomic) EaseMarkdownTextView *inputContentView;

@property (strong, nonatomic) UIView *lineView;

@end

@implementation EAEditCodeReleaseViewController

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

self.view.backgroundColor = kColorTableBG;

if (!_segmentedControl) {

_segmentedControl = ({

UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:@[@"编辑", @"预览"]];

[segmentedControl setWidth:80 forSegmentAtIndex:0];

[segmentedControl setWidth:80 forSegmentAtIndex:1];

[segmentedControl setTitleTextAttributes:@{

NSFontAttributeName: [UIFont systemFontOfSize:16],

NSForegroundColorAttributeName: [UIColor whiteColor]

}

forState:UIControlStateSelected];

[segmentedControl setTitleTextAttributes:@{

NSFontAttributeName: [UIFont systemFontOfSize:16],

NSForegroundColorAttributeName: kColorNavTitle

} forState:UIControlStateNormal];

[segmentedControl addTarget:self action:@selector(segmentedControlSelected:) forControlEvents:UIControlEventValueChanged];

segmentedControl;

});

self.navigationItem.titleView = _segmentedControl;

}

[self.navigationItem setRightBarButtonItem:[UIBarButtonItem itemWithBtnTitle:@"保存" target:self action:@selector(saveBtnClicked)] animated:YES];

self.navigationItem.rightBarButtonItem.enabled = NO;

[[[[NSNotificationCenter defaultCenter] rac_addObserverForName:UIKeyboardWillChangeFrameNotification object:nil] takeUntil:self.rac_willDeallocSignal] subscribeNext:^(NSNotification *aNotification) {

if (self.inputContentView) {

NSDictionary* userInfo = [aNotification userInfo];

CGRect keyboardEndFrame = [[userInfo objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];

self.inputContentView.contentInset = UIEdgeInsetsMake(0, 0, CGRectGetHeight(keyboardEndFrame), 0);

self.inputContentView.scrollIndicatorInsets = self.inputContentView.contentInset;

}

}];

self.curIndex = 0;

}

- (void)refreshUI{

self.inputTitleView.text = self.curR.editTitle;

self.inputContentView.text = self.curR.editBody;

if (_curIndex == 1) {

[self loadPreview];

}

}

- (void)viewDidAppear:(BOOL)animated{

[super viewDidAppear:animated];

if (_curIndex == 0) {

[self loadEditView];

} else {

[self loadPreview];

}

//禁用屏幕左滑返回手势

if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {

self.navigationController.interactivePopGestureRecognizer.enabled = NO;

}

}

- (void)viewDidDisappear:(BOOL)animated {

[super viewDidDisappear:animated];

//开启屏幕左滑返回手势

if ([self.navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {

self.navigationController.interactivePopGestureRecognizer.enabled = YES;

}

}

- (BOOL)navigationShouldPopOnBackButton{

self.curR.editTitle = _inputTitleView.text;

self.curR.editBody = _inputContentView.text;

if ([self.curR hasChanged]) {

__weak typeof(self) weakSelf = self;

[[UIAlertController ea_alertViewWithTitle:@"提示" message:@"如果不保存，更改将丢失，是否确认返回？" buttonTitles:@[@"确认返回"] destructiveTitle:nil cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

if (index == 0) {

[weakSelf.navigationController popViewControllerAnimated:YES];

}

}] show];

return NO;

}else{

return YES;

}

}

#pragma mark UISegmentedControl

- (void)segmentedControlSelected:(id)sender{

UISegmentedControl *segmentedControl = (UISegmentedControl *)sender;

self.curIndex = segmentedControl.selectedSegmentIndex;

}

#pragma mark index_view

- (void)setCurIndex:(NSInteger)curIndex{

_curIndex = curIndex;

if (_segmentedControl.selectedSegmentIndex != curIndex) {

[_segmentedControl setSelectedSegmentIndex:_curIndex];

}

if (_curIndex == 0) {

[self loadEditView];

} else {

[self loadPreview];

}

}

#pragma mark PreView

- (void)loadPreview{

if (!_preview) {

_preview = [[UIWebView alloc] initWithFrame:self.view.bounds];

_preview.delegate = self;

_preview.backgroundColor = [UIColor clearColor];

_preview.opaque = NO;

_preview.scalesPageToFit = YES;

[self.view addSubview:_preview];

//webview加载指示

_activityIndicator = [[UIActivityIndicatorView alloc]

initWithActivityIndicatorStyle:

UIActivityIndicatorViewStyleGray];

_activityIndicator.hidesWhenStopped = YES;

[_activityIndicator setCenter:CGPointMake(CGRectGetWidth(_preview.frame)/2, CGRectGetHeight(_preview.frame)/2)];

[_preview addSubview:_activityIndicator];

[_preview mas_makeConstraints:^(MASConstraintMaker *make) {

make.edges.equalTo(self.view);

}];

}

self.curR.editTitle = _inputTitleView.text;

self.curR.editBody = _inputContentView.text;

_preview.hidden = NO;

_editView.hidden = YES;

[self.view endEditing:YES];

[self previewLoadMDData];

}

- (void)previewLoadMDData{

NSString *mdStr = [NSString stringWithFormat:@"# %@ \n\n%@", self.curR.editTitle, self.curR.editBody];

@weakify(self);

[[Coding_NetAPIManager sharedManager] request_MDHtmlStr_WithMDStr:mdStr inProject:self.curR.project andBlock:^(id data, NSError *error) {

@strongify(self);

NSString *htmlStr = data? data : error.description;

NSString *contentStr = [WebContentManager wikiPatternedWithContent:htmlStr];

[self.preview loadHTMLString:contentStr baseURL:nil];

}];

}

#pragma mark EditView

- (void)loadEditView{

if (!_editView) {

//控件

_editView = [[UIView alloc] initWithFrame:self.view.bounds];

[self.view addSubview:_editView];

_inputTitleView = [UITextField new];

_inputTitleView.textColor = kColor222;

_inputTitleView.font = [UIFont systemFontOfSize:18];

_inputTitleView.placeholder = @"Release 标题";

[_editView addSubview:_inputTitleView];

_lineView = [UIView new];

_lineView.backgroundColor = kColorDDD;

[_editView addSubview:_lineView];

_inputContentView = [[EaseMarkdownTextView alloc] initWithFrame:CGRectZero];

_inputContentView.curProject = self.curR.project;

_inputContentView.textColor = kColor222;

_inputContentView.placeholder = @"Release 的描述内容";

_inputContentView.backgroundColor = [UIColor clearColor];

_inputContentView.font = [UIFont systemFontOfSize:15];

_inputContentView.textContainerInset = UIEdgeInsetsMake(10, kPaddingLeftWidth - 5, 8, kPaddingLeftWidth - 5);

[_editView addSubview:_inputContentView];

[self.view addSubview:_editView];

// 布局

[_editView mas_makeConstraints:^(MASConstraintMaker *make) {

make.edges.equalTo(self.view);

}];

[_inputTitleView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_editView.mas_top).offset(10.0);

make.height.mas_equalTo(25);

make.left.equalTo(_editView).offset(kPaddingLeftWidth);

make.right.equalTo(_editView).offset(-kPaddingLeftWidth);

}];

[_lineView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_inputTitleView.mas_bottom).offset(10.0);

make.left.equalTo(_editView).offset(kPaddingLeftWidth);

make.height.mas_equalTo(1.0);

make.right.equalTo(_editView);

}];

[_inputContentView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.equalTo(_lineView.mas_bottom).offset(5.0);

make.left.right.bottom.equalTo(_editView);

}];

// 内容

@weakify(self);

RAC(self.navigationItem.rightBarButtonItem, enabled) = [RACSignal combineLatest:@[self.inputTitleView.rac_textSignal,

self.inputContentView.rac_textSignal]

reduce:^id (NSString *title, NSString *content) {

@strongify(self);

title = self.inputTitleView.text;

content = self.inputContentView.text;

BOOL enabled = ([title stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]].length > 0

&& (![title isEqualToString:self.curR.editTitle] || ![content isEqualToString:self.curR.editBody]));

return @(enabled);

}];

_inputTitleView.text = _curR.editTitle;

_inputContentView.text = _curR.editBody;

}

_editView.hidden = NO;

_preview.hidden = YES;

}

#pragma mark - click

- (void)saveBtnClicked{

self.curR.editTitle = _inputTitleView.text;

self.curR.editBody = _inputContentView.text;

self.navigationItem.rightBarButtonItem.enabled = NO;

[NSObject showHUDQueryStr:@"正在保存..."];

@weakify(self);

[[Coding_NetAPIManager sharedManager] request_ModifyCodeRelease:_curR andBlock:^(EACodeRelease *data, NSError *error) {

@strongify(self);

self.navigationItem.rightBarButtonItem.enabled = YES;

[NSObject hideHUDQuery];

if (data) {

[NSObject showHudTipStr:@"保存成功"];

[self.navigationController popViewControllerAnimated:YES];

}

}];

}

#pragma mark UIWebViewDelegate

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType{

DebugLog(@"strLink=[%@]",request.URL.absoluteString);

UIViewController *vc = [BaseViewController analyseVCFromLinkStr:request.URL.absoluteString];

if (vc) {

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

return NO;

}

return YES;

}

- (void)webViewDidStartLoad:(UIWebView *)webView{

[_activityIndicator startAnimating];

}

- (void)webViewDidFinishLoad:(UIWebView *)webView{

[_activityIndicator stopAnimating];

}

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{

if([error code] == NSURLErrorCancelled)

return;

else

DebugLog(@"%@", error.description);

}

@end