#import "FileViewController.h"

#import "BasicPreviewItem.h"

#import "FileDownloadView.h"

#import "Coding_NetAPIManager.h"

#import "Coding_FileManager.h"

#import "WebContentManager.h"

#import "FunctionTipsManager.h"

#import "EaseToolBar.h"

#import "FileActivitiesViewController.h"

#import "FileVersionsViewController.h"

#import "FileInfoViewController.h"

#import "FileEditViewController.h"

#import "KxMenu.h"

@interface FileViewController () <QLPreviewControllerDataSource, QLPreviewControllerDelegate, UIDocumentInteractionControllerDelegate, UIWebViewDelegate, EaseToolBarDelegate>

@property (strong, nonatomic, readwrite) ProjectFile *curFile;

@property (strong, nonatomic, readwrite) FileVersion *curVersion;

@property (strong, nonatomic) NSURL *fileUrl;

@property (strong, nonatomic) QLPreviewController *previewController;

@property (strong, nonatomic) FileDownloadView *downloadView;

@property (nonatomic, strong) UIDocumentInteractionController *docInteractionController;

@property (strong, nonatomic) UIWebView *contentWebView;

@property (strong, nonatomic) UIActivityIndicatorView *activityIndicator;

@property (nonatomic, strong) EaseToolBar *myToolBar;

@property (strong, nonatomic) NSProgress *progress;

@implementation FileViewController

+ (instancetype)vcWithFile:(ProjectFile *)file andVersion:(FileVersion *)version{

FileViewController *vc = [self new];

vc.curFile = file;

vc.curVersion = version;

return vc;

}

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view.

self.title = [self titleStr];

}

- (void)viewDidAppear:(BOOL)animated{

[super viewDidAppear:animated];

if ([self.curFile isEmpty]) {

[self requestFileData];

}else if (!self.view.loadingView || self.view.loadingView.hidden){

[self configContent];

}

}

- (EaseToolBar *)myToolBar{

if (!_myToolBar) {

EaseToolBarItem *item1 = [EaseToolBarItem easeToolBarItemWithTitle:@"文件动态" image:@"button_file_activity" disableImage:nil];

EaseToolBarItem *item2 = [EaseToolBarItem easeToolBarItemWithTitle:@"历史版本" image:@"button_file_history" disableImage:nil];

_myToolBar = [EaseToolBar easeToolBarWithItems:@[item1, item2]];

_myToolBar.delegate = self;

[self.view addSubview:_myToolBar];

[_myToolBar mas_makeConstraints:^(MASConstraintMaker *make) {

make.bottom.equalTo(self.view.mas_bottom);

make.size.mas_equalTo(_myToolBar.frame.size);

}];

}

return _myToolBar;

}

- (void)requestFileData{

[self.view beginLoading];

__weak typeof(self) weakSelf = self;

[[Coding_NetAPIManager sharedManager] request_FileDetail:self.curFile andBlock:^(id data, NSError *error) {

[weakSelf.view endLoading];

if (data) {

weakSelf.curFile = data;

[weakSelf configContent];

}else{

if (error.code == 1304) {

[weakSelf.view configBlankPage:EaseBlankPageTypeFileDleted hasData:NO hasError:NO reloadButtonBlock:nil];

}else{

[weakSelf.view configBlankPage:EaseBlankPageTypeView hasData:NO hasError:(error != nil) reloadButtonBlock:^(id sender) {

[weakSelf requestFileData];

}];

}

}

}];

}

- (void)configContent{

self.title = [self titleStr];

[self setupNavigationItem];

NSURL *fileUrl = [self diskFileUrl];

if (!fileUrl) {

if ([self p_isTextContent]){

[self p_startDownload];

}else{

[self showDownloadView];

}

}else{

self.fileUrl = fileUrl;

[self setupDocumentControllerWithURL:fileUrl];

if ([self p_isTextContent]){

[self loadWebView:fileUrl];

}else if ([QLPreviewController canPreviewItem:fileUrl]) {

[self showDiskFile:fileUrl];

}else if (!_downloadView || _downloadView.hidden) {

[self showDownloadView];

}

}

if (_curVersion) {

_myToolBar.hidden = YES;

}else{

self.myToolBar.hidden = NO;

}

}

- (void)showDiskFile:(NSURL *)fileUrl{

self.downloadView.hidden = self.contentWebView.hidden = YES;

if (!self.previewController) {

QLPreviewController* preview = [[QLPreviewController alloc] init];

preview.dataSource = self;

preview.delegate = self;

if ([[[UIDevice currentDevice] systemVersion] compare:@"10.0" options:NSNumericSearch] != NSOrderedAscending) {

[self addChildViewController:preview];

[preview didMoveToParentViewController:self];

}

[self.view addSubview:preview.view];

[preview.view mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.left.right.equalTo(self.view);

make.bottom.equalTo(self.view).offset(-[self toolBarHeight]);

}];

self.previewController = preview;

}

self.previewController.view.hidden = NO;

}

- (void)loadWebView:(NSURL *)fileUrl{

self.downloadView.hidden = self.previewController.view.hidden = YES;

if (!_contentWebView) {

//用webView显示内容

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

_contentWebView.delegate = self;

_contentWebView.backgroundColor = [UIColor clearColor];

_contentWebView.opaque = NO;

_contentWebView.scalesPageToFit = YES;

//webview加载指示

_activityIndicator = [[UIActivityIndicatorView alloc]

initWithActivityIndicatorStyle:

UIActivityIndicatorViewStyleGray];

_activityIndicator.hidesWhenStopped = YES;

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

[_contentWebView addSubview:_activityIndicator];

[self.view addSubview:_contentWebView];

[_contentWebView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.left.right.equalTo(self.view);

make.bottom.equalTo(self.view).offset(-[self toolBarHeight]);

}];

}

if ([self.fileType isEqualToString:@"md"]){

NSString *mdStr = [NSString stringWithContentsOfURL:fileUrl encoding:NSUTF8StringEncoding error:nil];

[self.activityIndicator startAnimating];

[[Coding_NetAPIManager sharedManager] request_MDHtmlStr_WithMDStr:mdStr inProject:nil andBlock:^(id data, NSError *error) {

NSString *htmlStr;

htmlStr = data? data: @"加载失败";

NSString *contentStr = [WebContentManager markdownPatternedWithContent:htmlStr];

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

}];

}else if ([self.fileType isEqualToString:@"html"]){

NSString* htmlString = [NSString stringWithContentsOfURL:fileUrl encoding:NSUTF8StringEncoding error:nil];

[self.contentWebView loadHTMLString:htmlString baseURL:nil];

}else if ([self.fileType isEqualToString:@"plist"]

|| [self.fileType isEqualToString:@"txt"]){

NSData *fileData = [NSData dataWithContentsOfURL:fileUrl];

[self.contentWebView loadData:fileData MIMEType:@"text/text" textEncodingName:@"UTF-8" baseURL:fileUrl];

}else{

[self.contentWebView loadRequest:[NSURLRequest requestWithURL:fileUrl]];

}

self.contentWebView.hidden = NO;

}

- (void)showDownloadView{

self.contentWebView.hidden = self.previewController.view.hidden = YES;

if (!self.downloadView) {

self.downloadView = [[FileDownloadView alloc] initWithFrame:self.view.bounds];

[self.view addSubview:self.downloadView];

[self.downloadView mas_makeConstraints:^(MASConstraintMaker *make) {

make.top.left.right.equalTo(self.view);

make.bottom.equalTo(self.view).offset(-[self toolBarHeight]);

}];

}

__weak typeof(self) weakSelf = self;

if ([self.downloadView downloadState] == DownloadStateDownloaded) {

self.downloadView.completionBlock = nil;

}else{

self.downloadView.completionBlock = ^(){

[weakSelf configContent];

};

}

self.downloadView.otherMethodOpenBlock = ^(){

[weakSelf openByOtherApp];

};

[self.downloadView setFile:self.curFile version:self.curVersion];

[self.downloadView reloadData];

self.downloadView.hidden = NO;

}

- (void)setupDocumentControllerWithURL:(NSURL *)url{

if (self.docInteractionController == nil){

self.docInteractionController = [UIDocumentInteractionController interactionControllerWithURL:url];

}else{

self.docInteractionController.URL = url;

}

[self setupNavigationItem];

}

#pragma mark nav M

- (void)setupNavigationItem{

if (!self.curVersion ||

(self.curVersion && self.fileUrl)) {

[self.navigationItem setRightBarButtonItem:[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"moreBtn_Nav"] style:UIBarButtonItemStylePlain target:self action:@selector(rightNavBtnClicked)] animated:NO];

}else{

[self.navigationItem setRightBarButtonItem:nil animated:NO];

}

}

- (void)rightNavBtnClicked{

__weak typeof(self) weakSelf = self;

if (!_curVersion) {

if ([KxMenu isShowingInView:self.view]) {

[KxMenu dismissMenu:YES];

}else{

[KxMenu setTitleFont:[UIFont systemFontOfSize:15]];

[KxMenu setTintColor:[UIColor whiteColor]];

[KxMenu setLineColor:kColorDDD];

NSMutableArray *menuItems = [@[

[KxMenuItem menuItem:@"共享链接" image:[UIImage imageNamed:@"file_menu_icon_share"] target:self action:@selector(goToShareFileLink)],

[KxMenuItem menuItem:@"文件信息" image:[UIImage imageNamed:@"file_menu_icon_info"] target:self action:@selector(goToFileInfo)],

[KxMenuItem menuItem:@"删除文件" image:[UIImage imageNamed:@"file_menu_icon_delete"] target:self action:@selector(deleteCurFile)],

] mutableCopy];

if ([self fileCanEdit]) {

[menuItems insertObject:[KxMenuItem menuItem:@"编辑文件" image:[UIImage imageNamed:@"file_menu_icon_edit"] target:self action:@selector(goToEditFile)]

atIndex:0];

}else if (self.preview.length > 0 && self.fileUrl){

[menuItems insertObject:[KxMenuItem menuItem:@"保存到相册" image:[UIImage imageNamed:@"file_menu_icon_edit"] target:self action:@selector(saveCurImg)]

atIndex:0];

}

if (self.fileUrl) {

[menuItems addObject:[KxMenuItem menuItem:@"其它应用打开" image:[UIImage imageNamed:@"file_menu_icon_open"] target:self action:@selector(openByOtherApp)]];

}

[menuItems setValue:kColorDark4 forKey:@"foreColor"];

CGRect senderFrame = CGRectMake(kScreen_Width - (kDevice_Is_iPhone6Plus? 30: 26), 5, 0, 0);

[KxMenu showMenuInView:self.view

fromRect:senderFrame

menuItems:menuItems];

}

}else{

if (self.preview.length > 0) {

UIAlertController *actionSheet = [UIAlertController ea_actionSheetCustomWithTitle:nil buttonTitles:@[@"保存到相册", @"用其他应用打开"] destructiveTitle:nil cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

switch (index) {

case 0:

[weakSelf saveCurImg];

break;

case 1:

[weakSelf openByOtherApp];

break;

default:

break;

}

}];

[actionSheet showInView:self.view];

}else{

[self openByOtherApp];

}

}

}

- (void)goToEditFile{

[MobClick event:kUmeng_Event_File label:@"文件_点击编辑"];

__weak typeof(self) weakSelf = self;

FileEditViewController *vc = [FileEditViewController new];

vc.curFile = _curFile;

vc.completeBlock = ^(){

[weakSelf requestFileData];

if (weakSelf.fileHasChangedBlock) {

weakSelf.fileHasChangedBlock();

}

};

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

}

- (void)goToShareFileLink{

__weak typeof(self) weakSelf = self;

UIAlertController *actionSheet;

if (_curFile.share) {

actionSheet = [UIAlertController ea_actionSheetCustomWithTitle:@"该链接适用于所有人，无需登录" buttonTitles:@[@"拷贝链接"] destructiveTitle:@"关闭共享" cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

if (index == 0) {

[weakSelf doCopyShareUrl];

}else if (index == 1) {

[weakSelf doCloseShareUrl];

}

}];

}else{

actionSheet = [UIAlertController ea_actionSheetCustomWithTitle:@"当前未开启共享，请先创建公开链接" buttonTitles:@[@"开启共享并拷贝链接"] destructiveTitle:nil cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

if (index == 0) {

[weakSelf doOpenAndCopyShareUrl];

}

}];

}

[actionSheet showInView:self.view];

}

- (void)doCopyShareUrl{

if (_curFile.share) {

[[UIPasteboard generalPasteboard] setString:_curFile.share.url];

[NSObject showHudTipStr:@"链接已拷贝到粘贴板"];

}else{

[NSObject showHudTipStr:@"文件还未打开共享"];

}

}

- (void)doOpenAndCopyShareUrl{

__weak typeof(self) weakSelf = self;

[[Coding_NetAPIManager sharedManager] request_OpenShareOfFile:_curFile andBlock:^(id data, NSError *error) {

if (data) {

weakSelf.curFile.share = [FileShare instanceWithUrl:data];

[weakSelf doCopyShareUrl];

}

}];

}

- (void)doCloseShareUrl{

NSString *hashStr = [[_curFile.share.url componentsSeparatedByString:@"/"] lastObject];

__weak typeof(self) weakSelf = self;

[[Coding_NetAPIManager sharedManager] request_CloseFileShareHash:hashStr andBlock:^(id data, NSError *error) {

if (data) {

weakSelf.curFile.share = nil;

[NSObject showHudTipStr:@"共享链接已关闭"];

}

}];

}

- (void)goToFileInfo{

FileInfoViewController *vc = [FileInfoViewController vcWithFile:_curFile];

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

}

- (void)deleteCurFile{

UIAlertController *actionSheet;

NSURL *fileUrl = [_curFile diskFileUrl];

Coding_DownloadTask *cDownloadTask = [_curFile cDownloadTask];

if (fileUrl) {

actionSheet = [UIAlertController ea_actionSheetCustomWithTitle:@"只是删除本地文件还是连同服务器文件一起删除？" buttonTitles:@[@"仅删除本地文件"] destructiveTitle:@"一起删除" cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

switch (index) {

case 0:

[self doDeleteCurFile:self.curFile fromDisk:YES];

break;

case 1:

[self doDeleteCurFile:self.curFile fromDisk:NO];

break;

default:

break;

}

}];

}else if (cDownloadTask){

actionSheet = [UIAlertController ea_actionSheetCustomWithTitle:@"确定将服务器上的该文件删除？" buttonTitles:@[@"只是取消下载"] destructiveTitle:@"确认删除" cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

switch (index) {

case 0:

[self doDeleteCurFile:self.curFile fromDisk:YES];

break;

case 1:

[self doDeleteCurFile:self.curFile fromDisk:NO];

break;

default:

break;

}

}];

}else{

actionSheet = [UIAlertController ea_actionSheetCustomWithTitle:@"确定将服务器上的该文件删除？" buttonTitles:nil destructiveTitle:@"确认删除" cancelTitle:@"取消" andDidDismissBlock:^(UIAlertAction *action, NSInteger index) {

if (index == 0) {

[self doDeleteCurFile:self.curFile fromDisk:NO];

}

}];

}

[actionSheet showInView:self.view];

}

- (void)doDeleteCurFile:(ProjectFile *)file fromDisk:(BOOL)fromDisk{

// 取消当前的下载任务

Coding_DownloadTask *cDownloadTask = [file cDownloadTask];

if (cDownloadTask) {

[Coding_FileManager cancelCDownloadTaskForKey:file.storage_key];

}

// 删除本地文件

NSURL *fileUrl = [file diskFileUrl];

NSString *filePath = fileUrl.path;

NSFileManager *fm = [NSFileManager defaultManager];

if ([fm fileExistsAtPath:filePath]) {

NSError *fileError;

[fm removeItemAtPath:filePath error:&fileError];

if (fileError) {

[NSObject showError:fileError];

}else if (fromDisk){

[self.navigationController popViewControllerAnimated:YES];

if (self.fileHasBeenDeletedBlock) {

self.fileHasBeenDeletedBlock();

}

}

}

// 删除服务器文件

if (!fromDisk) {

__weak typeof(self) weakSelf = self;

[[Coding_NetAPIManager sharedManager] request_DeleteFiles:@[file.file_id] inProject:self.curFile.project_id andBlock:^(id data, NSError *error) {

if (data) {

[weakSelf.navigationController popViewControllerAnimated:YES];

if (weakSelf.fileHasBeenDeletedBlock) {

weakSelf.fileHasBeenDeletedBlock();

}

}

}];

}

}

- (void)openByOtherApp{

[self.docInteractionController presentOpenInMenuFromBarButtonItem:self.navigationItem.rightBarButtonItem animated:YES];

}

- (void)saveCurImg{

__weak typeof(self) weakSelf = self;

[[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{

[[PHAssetCreationRequest creationRequestForAsset] addResourceWithType:PHAssetResourceTypePhoto fileURL:weakSelf.fileUrl options:nil];

} completionHandler:^(BOOL success, NSError * _Nullable error) {

dispatch_async(dispatch_get_main_queue(), ^{

[weakSelf saveImageHappenedError:error];

});

}];

}

- (void)saveImageHappenedError:(NSError *)error{

if (error == nil){

[NSObject showHudTipStr:@"成功保存到相册"];

} else {

[NSObject showHudTipStr:@"保存失败"];

}

}

#pragma mark - QLPreviewControllerDataSource

- (NSInteger)numberOfPreviewItemsInPreviewController:(QLPreviewController *)controller{

NSInteger num = 0;

if (self.fileUrl) {

num = 1;

}

return num;

}

- (id <QLPreviewItem>)previewController:(QLPreviewController *)controller previewItemAtIndex:(NSInteger)index{

return [BasicPreviewItem itemWithUrl:self.fileUrl];

}

#pragma mark UIWebViewDelegate

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

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

return YES;

}

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

[_activityIndicator startAnimating];

}

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

[_activityIndicator stopAnimating];

if ([self.fileType isEqualToString:@"plist"]

|| [self.fileType isEqualToString:@"txt"]){

[webView stringByEvaluatingJavaScriptFromString:@"document.body.style.zoom = 3.0;"];

}else if ([self.fileType isEqualToString:@"html"]){

[webView stringByEvaluatingJavaScriptFromString:@"document.body.style.zoom = 2.0;"];

}

}

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

if([error code] == NSURLErrorCancelled)

return;

else{

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

[NSObject showError:error];

}

}

#pragma mark EaseToolBarDelegate

- (void)easeToolBar:(EaseToolBar *)toolBar didClickedIndex:(NSInteger)index{

if (index == 0) {

[MobClick event:kUmeng_Event_File label:@"文件_点击文件动态"];

FileActivitiesViewController *vc = [FileActivitiesViewController vcWithFile:_curFile];

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

}else if (index == 1){

[MobClick event:kUmeng_Event_File label:@"文件_点击历史版本"];

FileVersionsViewController *vc = [FileVersionsViewController vcWithFile:_curFile];

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

}

}

#pragma mark Data Value

- (BOOL)p_isTextContent{

if ([self.fileType isEqualToString:@"md"]

|| [self.fileType isEqualToString:@"html"]

|| [self.fileType isEqualToString:@"txt"]

|| [self.fileType isEqualToString:@"plist"]){

return YES;

}

return NO;

}

- (NSURL *)diskFileUrl{

NSURL *fileUrl;

if (self.curVersion) {

fileUrl = [self.curVersion diskFileUrl];

}else{

fileUrl = [self.curFile diskFileUrl];

}

return fileUrl;

}

- (NSString *)fileType{

if (_curVersion) {

return _curVersion.fileType;

}else{

return _curFile.fileType;

}

}

- (NSString *)preview{

if (_curVersion) {

return _curVersion.preview;

}else{

return _curFile.preview;

}

}

- (NSString *)titleStr{

if (_curVersion) {

return _curVersion.remark;

}else{

return _curFile.name;

}

}

- (CGFloat)toolBarHeight{

if (_curVersion) {

return 0;

}else{

return 49.0;

}

}

- (BOOL)fileCanEdit{

NSArray *supportTypeList = @[@"md", @"txt"];

if ([supportTypeList containsObject:_curFile.fileType]) {

return YES;

}else{

return NO;

}

}

#pragma mark download TextContent

- (void)p_startDownload{

NSURL *fileUrl = _curVersion.diskFileUrl ?: _curFile.diskFileUrl;

Coding_DownloadTask *cDownloadTask = _curVersion? _curVersion.cDownloadTask : _curFile.cDownloadTask;

if (!fileUrl) {

if (cDownloadTask) {//重新开始

if (cDownloadTask.task.state == NSURLSessionTaskStateSuspended) {

[cDownloadTask.task resume];

}

}else{//新建下载

if (!(_curVersion.project_id ?: _curFile.project_id)) {

[NSObject showHudTipStr:@"下载失败~"];

}else{

__weak typeof(self) weakSelf = self;

cDownloadTask = [[Coding_FileManager sharedManager] addDownloadTaskForObj:_curVersion ?: _curFile completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) {

[weakSelf.view endLoading];

if (error) {

[NSObject showError:error];

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

}else{

DebugLog(@"File downloaded to: %@", filePath);

}

}];

}

}

self.progress = cDownloadTask.progress;

}

}

- (void)setProgress:(NSProgress *)progress{

_progress = progress;

__weak typeof(self) weakSelf = self;

if (_progress && _progress.fractionCompleted < 0.999) {

[self.view beginLoading];

[[RACObserve(self, progress.fractionCompleted) takeUntil:self.rac_willDeallocSignal] subscribeNext:^(NSNumber *fractionCompleted) {

if (fractionCompleted.doubleValue > 0.999) {

dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

[weakSelf configContent];

});

}

}];

}

}