#import "EaseMarkdownTextView.h"

#import "RFKeyboardToolbar.h"

#import "RFToolbarButton.h"

#import <RegexKitLite-NoWarning/RegexKitLite.h>

#import "UsersViewController.h"

#import "ProjectMemberListViewController.h"

#import "Users.h"

#import "Login.h"

#import "Helper.h"

#import "Coding_FileManager.h"

#import "Coding_NetAPIManager.h"

#import <MBProgressHUD/MBProgressHUD.h>

@interface EaseMarkdownTextView ()

@property (strong, nonatomic) MBProgressHUD *HUD;

@property (strong, nonatomic) NSString *uploadingPhotoName;

@implementation EaseMarkdownTextView

- (id)initWithFrame:(CGRect)frame {

if (self = [super initWithFrame:frame]) {

self.inputAccessoryView = [RFKeyboardToolbar toolbarWithButtons:[self buttons]];

//监听-上传文件成功

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

//{NSURLResponse: response, NSError: error, ProjectFile: data}

NSDictionary* userInfo = [aNotification userInfo];

[self completionUploadWithResult:[userInfo objectForKey:@"data"] error:[userInfo objectForKey:@"error"]];

}];

}

return self;

}

-(BOOL)canPerformAction:(SEL)action withSender:(id)sender{

NSString *actionName = NSStringFromSelector(action);

if ([actionName isEqualToString:@"_addShortcut:"]) {

return NO;

}else{

return [super canPerformAction:action withSender:sender];

}

}

- (NSArray *)buttons {

return @[

[self createButtonWithTitle:@"@" andEventHandler:^{ [self doAT]; }],

[self createButtonWithTitle:@"#" andEventHandler:^{ [self insertText:@"#"]; }],

[self createButtonWithTitle:@"*" andEventHandler:^{ [self insertText:@"*"]; }],

[self createButtonWithTitle:@"`" andEventHandler:^{ [self insertText:@"`"]; }],

[self createButtonWithTitle:@"-" andEventHandler:^{ [self insertText:@"-"]; }],

[self createButtonWithTitle:@"照片" andEventHandler:^{ [self doPhoto]; }],

[self createButtonWithTitle:@"标题" andEventHandler:^{ [self doTitle]; }],

[self createButtonWithTitle:@"粗体" andEventHandler:^{ [self doBold]; }],

[self createButtonWithTitle:@"斜体" andEventHandler:^{ [self doItalic]; }],

[self createButtonWithTitle:@"代码" andEventHandler:^{ [self doCode]; }],

[self createButtonWithTitle:@"引用" andEventHandler:^{ [self doQuote]; }],

[self createButtonWithTitle:@"列表" andEventHandler:^{ [self doList]; }],

[self createButtonWithTitle:@"链接" andEventHandler:^{

NSString *tipStr = @"在此输入链接地址";

NSRange selectionRange = self.selectedRange;

selectionRange.location += 5;

selectionRange.length = tipStr.length;

[self insertText:[NSString stringWithFormat:@"[链接](%@)", tipStr]];

[self setSelectionRange:selectionRange];

}],

[self createButtonWithTitle:@"图片链接" andEventHandler:^{

NSString *tipStr = @"在此输入图片地址";

NSRange selectionRange = self.selectedRange;

selectionRange.location += 6;

selectionRange.length = tipStr.length;

[self insertText:[NSString stringWithFormat:@"", tipStr]];

[self setSelectionRange:selectionRange];

}],

[self createButtonWithTitle:@"分割线" andEventHandler:^{

NSRange selectionRange = self.selectedRange;

NSString *insertStr = [self needPreNewLine]? @"\n\n------\n": @"\n------\n";

selectionRange.location += insertStr.length;

selectionRange.length = 0;

[self insertText:insertStr];

[self setSelectionRange:selectionRange];

}],

[self createButtonWithTitle:@"_" andEventHandler:^{ [self insertText:@"_"]; }],

[self createButtonWithTitle:@"+" andEventHandler:^{ [self insertText:@"+"]; }],

[self createButtonWithTitle:@"~" andEventHandler:^{ [self insertText:@"~"]; }],

[self createButtonWithTitle:@"=" andEventHandler:^{ [self insertText:@"="]; }],

[self createButtonWithTitle:@"[" andEventHandler:^{ [self insertText:@"["]; }],

[self createButtonWithTitle:@"]" andEventHandler:^{ [self insertText:@"]"]; }],

[self createButtonWithTitle:@"<" andEventHandler:^{ [self insertText:@"<"]; }],

[self createButtonWithTitle:@">" andEventHandler:^{ [self insertText:@">"]; }]

];

}

- (BOOL)needPreNewLine{

NSString *preStr = [self.text substringToIndex:self.selectedRange.location];

return !(preStr.length == 0

|| [preStr isMatchedByRegex:@"[\\n\\r]+[\\t\\f]*$"]);

}

- (RFToolbarButton *)createButtonWithTitle:(NSString*)title andEventHandler:(void(^)())handler {

return [RFToolbarButton buttonWithTitle:title andEventHandler:handler forControlEvents:UIControlEventTouchUpInside];

}

- (void)setSelectionRange:(NSRange)range {

UIColor *previousTint = self.tintColor;

self.tintColor = UIColor.clearColor;

self.selectedRange = range;

self.tintColor = previousTint;

}

#pragma mark md_Method

- (void)doTitle{

[self doMDWithLeftStr:@"## " rightStr:@" ##" tipStr:@"在此输入标题" doNeedPreNewLine:YES];

}

- (void)doBold{

[self doMDWithLeftStr:@"**" rightStr:@"**" tipStr:@"在此输入粗体文字" doNeedPreNewLine:NO];

}

- (void)doItalic{

[self doMDWithLeftStr:@"*" rightStr:@"*" tipStr:@"在此输入斜体文字" doNeedPreNewLine:NO];

}

- (void)doCode{

[self doMDWithLeftStr:@"```\n" rightStr:@"\n```" tipStr:@"在此输入代码片段" doNeedPreNewLine:YES];

}

- (void)doQuote{

[self doMDWithLeftStr:@"> " rightStr:@"" tipStr:@"在此输入引用文字" doNeedPreNewLine:YES];

}

- (void)doList{

[self doMDWithLeftStr:@"- " rightStr:@"" tipStr:@"在此输入列表项" doNeedPreNewLine:YES];

}

- (void)doMDWithLeftStr:(NSString *)leftStr rightStr:(NSString *)rightStr tipStr:(NSString *)tipStr doNeedPreNewLine:(BOOL)doNeedPreNewLine{

BOOL needPreNewLine = doNeedPreNewLine? [self needPreNewLine]: NO;

if (!leftStr || !rightStr || !tipStr) {

return;

}

NSRange selectionRange = self.selectedRange;

NSString *insertStr = [self.text substringWithRange:selectionRange];

if (selectionRange.length > 0) {//已有选中文字

//撤销

if (selectionRange.location >= leftStr.length && selectionRange.location + selectionRange.length + rightStr.length <= self.text.length) {

NSRange expandRange = NSMakeRange(selectionRange.location- leftStr.length, selectionRange.length +leftStr.length +rightStr.length);

expandRange = [self.text rangeOfString:[NSString stringWithFormat:@"%@%@%@", leftStr, insertStr, rightStr] options:NSLiteralSearch range:expandRange];

if (expandRange.location != NSNotFound) {

selectionRange.location -= leftStr.length;

selectionRange.length = insertStr.length;

[self setSelectionRange:expandRange];

[self insertText:insertStr];

[self setSelectionRange:selectionRange];

return;

}

}

//添加

selectionRange.location += needPreNewLine? leftStr.length +1: leftStr.length;

insertStr = [NSString stringWithFormat:needPreNewLine? @"\n%@%@%@": @"%@%@%@", leftStr, insertStr, rightStr];

}else{//未选中任何文字

//添加

selectionRange.location += needPreNewLine? leftStr.length +1: leftStr.length;

selectionRange.length = tipStr.length;

insertStr = [NSString stringWithFormat:needPreNewLine? @"\n%@%@%@": @"%@%@%@", leftStr, tipStr, rightStr];

}

[self insertText:insertStr];

[self setSelectionRange:selectionRange];

}

#pragma mark AT

- (void)doAT{

__weak typeof(self) weakSelf = self;

if (self.curProject) {

//@项目成员

[ProjectMemberListViewController showATSomeoneWithBlock:^(User *curUser) {

[weakSelf atSomeUser:curUser andRange:self.selectedRange];

} withProject:self.curProject];

}else{

//@好友

[UsersViewController showATSomeoneWithBlock:^(User *curUser) {

[weakSelf atSomeUser:curUser andRange:self.selectedRange];

}];

}

}

- (void)atSomeUser:(User *)curUser andRange:(NSRange)range{

if (curUser) {

NSString *appendingStr = [NSString stringWithFormat:@"@%@ ", curUser.name];

[self insertText:appendingStr];

[self becomeFirstResponder];

}

}

#pragma mark Photo

- (void)doPhoto{

//

[[UIActionSheet bk_actionSheetCustomWithTitle:nil buttonTitles:@[@"拍照", @"从相册选择"] destructiveTitle:nil cancelTitle:@"取消" andDidDismissBlock:^(UIActionSheet *sheet, NSInteger index) {

[self presentPhotoVCWithIndex:index];

}] showInView:self];

}

- (void)presentPhotoVCWithIndex:(NSInteger)index{

if (index == 2) {

return;

}

UIImagePickerController *picker = [[UIImagePickerController alloc] init];

picker.delegate = self;

if (index == 0) {

// 拍照

if (![Helper checkCameraAuthorizationStatus]) {

return;

}

picker.sourceType = UIImagePickerControllerSourceTypeCamera;

}else if (index == 1){

// 相册

if (![Helper checkPhotoLibraryAuthorizationStatus]) {

return;

}

picker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;

}

[[BaseViewController presentingVC] presentViewController:picker animated:YES completion:nil];//进入照相界面

}

#pragma mark UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{

UIImage *originalImage = [info objectForKey:UIImagePickerControllerOriginalImage];

// 保存原图片到相册中

if (picker.sourceType == UIImagePickerControllerSourceTypeCamera && originalImage) {

UIImageWriteToSavedPhotosAlbum(originalImage, self, nil, NULL);

}

//上传照片

[picker dismissViewControllerAnimated:YES completion:^{

if (originalImage) {

[self doUploadPhoto:originalImage];

}

}];

}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{

[picker dismissViewControllerAnimated:YES completion:nil];

}

- (void)doUploadPhoto:(UIImage *)image{

if (_isForProjectTweet || !_curProject) {

[self hudTipWillShow:YES];

__weak typeof(self) weakSelf = self;

[[Coding_NetAPIManager sharedManager] uploadTweetImage:image doneBlock:^(NSString *imagePath, NSError *error) {

[weakSelf hudTipWillShow:NO];

if (imagePath) {

//插入文字

NSString *photoLinkStr = [NSString stringWithFormat:[self needPreNewLine]? @"\n\n": @"\n", imagePath];

[weakSelf insertText:photoLinkStr];

[weakSelf becomeFirstResponder];

}else{

[NSObject showError:error];

}

} progerssBlock:^(CGFloat progressValue) {

dispatch_async(dispatch_get_main_queue(), ^{

if (weakSelf.HUD) {

weakSelf.HUD.progress = MAX(0, progressValue-0.05) ;

}

});

}];

}else{

//保存到app内

NSString *dateMarkStr = [[NSDate date] stringWithFormat:@"yyyyMMdd_HHmmss"];

NSString *originalFileName = [NSString stringWithFormat:@"%@.JPG", dateMarkStr];

NSString *fileName = [NSString stringWithFormat:@"%@|||%@|||%@", self.curProject.id.stringValue, @"0", originalFileName];

if ([Coding_FileManager writeUploadDataWithName:fileName andImage:image]) {

[self hudTipWillShow:YES];

self.uploadingPhotoName = originalFileName;

Coding_UploadTask *uploadTask =[[Coding_FileManager sharedManager] addUploadTaskWithFileName:fileName projectIsPublic:_curProject.is_public.boolValue];

@weakify(self)

[RACObserve(uploadTask, progress.fractionCompleted) subscribeNext:^(NSNumber *fractionCompleted) {

@strongify(self);

dispatch_async(dispatch_get_main_queue(), ^{

if (self.HUD) {

self.HUD.progress = MAX(0, fractionCompleted.floatValue-0.05) ;

}

});

}];

}else{

[NSObject showHudTipStr:[NSString stringWithFormat:@"%@ 文件处理失败", originalFileName]];

}

}

}

- (void)completionUploadWithResult:(id)responseObject error:(NSError *)error{

[self hudTipWillShow:NO];

//移除文件（共有项目不能自动移除）

NSString *diskFileName = [NSString stringWithFormat:@"%@|||%@|||%@", self.curProject.id.stringValue, @"0", self.uploadingPhotoName];

[Coding_FileManager deleteUploadDataWithName:diskFileName];

if (!responseObject) {

return;

}

NSString *fileName = nil, *fileUrlStr = @"";

if ([responseObject isKindOfClass:[NSString class]]) {

fileUrlStr = responseObject;

}else if ([responseObject isKindOfClass:[ProjectFile class]]){

ProjectFile *curFile = responseObject;

fileName = curFile.name;

fileUrlStr = curFile.owner_preview;

}

if (!fileName || [fileName isEqualToString:self.uploadingPhotoName]) {

//插入文字

NSString *photoLinkStr = [NSString stringWithFormat:[self needPreNewLine]? @"\n\n": @"\n", fileUrlStr];

[self insertText:photoLinkStr];

[self becomeFirstResponder];

}

}

- (void)hudTipWillShow:(BOOL)willShow{

if (willShow) {

[self resignFirstResponder];

if (!_HUD) {

_HUD = [MBProgressHUD showHUDAddedTo:kKeyWindow animated:YES];

_HUD.mode = MBProgressHUDModeDeterminateHorizontalBar;

_HUD.labelText = @"正在上传图片...";

_HUD.removeFromSuperViewOnHide = YES;

}else{

_HUD.progress = 0;

[kKeyWindow addSubview:_HUD];

[_HUD show:YES];

}

}else{

[_HUD hide:YES];

}

}