Y3GmailViewController.m

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//
//  Y3GmailViewController.m
//  TodaysMenu
//
//  Created by Don Zeek on 4/13/18.
//  Copyright © 2018 net.dzeek.y2015.ios.portfolio. All rights reserved.
//

@import GoogleSignIn;

#import "Y3GmailViewController.h"
#import "Z5DataController.h"
#import "Z5GoogleLoginController.h"
#import "Y3MailDisplayViewController.h"
#import "UIButton+Y5GradientFace.h"
#import "EmailMessage+CoreDataProperties.h"
#import "Y3GmailViewHeader.h"
#import "Y3GmailViewFooter.h"
#import "M9MailServerNavigator.h"
#import "UIColor+Y9RainbowSelection.h"


@interface Y3GmailViewController ()

@end

/*
 * Convenience functions 
 */
@implementation Y3GmailViewController {
    
    NSString *nutritionJournalDataTitleKey;
    NSMutableArray<NSString *> *rows;  // an array of randomkeys
    
    NSDateFormatter *msgNearDateFormatter;
    NSDateFormatter *dspNearDateFormatter;
    
    UIButton *manualMailButton;
    UIButton *addItemButton;
    
    Y3GmailViewHeader *gmailViewHeader;
    Y3GmailViewFooter *gmailViewFooter;
    CGRect nutritionMessagesFrame;
    
    NSString *messageHtml;
    float webViewEmailWidth;
    
    M9MailServerNavigator *mailUtility;
    
    NSDateFormatter *mDateFormatter;
    
    const NSString *HeaderIdentifier;

}

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
        self.title = @"Messages";
        self.tabBarItem.image = [UIImage imageNamed:@"mail19.png"];
        nutritionJournalDataTitleKey = @"Nutrition Journal Information";
        rows = [[NSMutableArray alloc] init];
        _emailMessages = [[NSMutableArray alloc] init];
        dspNearDateFormatter = [[NSDateFormatter alloc] init];
        [dspNearDateFormatter setDateStyle:NSDateFormatterMediumStyle];
        [dspNearDateFormatter setTimeStyle:NSDateFormatterShortStyle];

        mDateFormatter = [[NSDateFormatter alloc] init];
        [mDateFormatter setTimeStyle:NSDateFormatterNoStyle];
        [mDateFormatter setDateStyle:NSDateFormatterMediumStyle];
        
        HeaderIdentifier = @"messagesHeader";
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    [[self view] setBackgroundColor:[UIColor colorWithHue:0.26
                                               saturation:0.8
                                               brightness:0.8
                                                    alpha:1.0]];
    CGRect totalFrame = self.view.frame;
    
    UIImage *backgrdImage = [UIImage imageNamed:@"blueHydrangea.png"];
    UIImageView *backgrd = [[UIImageView alloc] initWithImage:backgrdImage];
    // float topSpace = navigationBarHeight + instructionPanelHeight;
    float topSpace = 0.0;  // TODO: tune page placement
    CGRect backImageFrame = CGRectMake(0.0, topSpace, totalFrame.size.width, totalFrame.size.height - topSpace);
    [backgrd setFrame:backImageFrame];
    [self.view addSubview:backgrd];
   
    Z5LocalDataController *localData = [[Z5DataController sharedInstance] localDataController];
    NSArray<EmailMessage *> *dbEmail = [localData retrieveAllEmailMessages];
    NSInteger count = [dbEmail count];
    NSLog(@"Y3GmailViewController.viewDidLoad: dbEmail count: %ld", (long)count);
    // ==========================
    CGRect nutritionMsgsTableFrame = CGRectMake(totalFrame.size.width * 0.54,
                                                totalFrame.size.height * 0.83,
                                                totalFrame.size.width * 0.42,
                                                totalFrame.size.height * 0.07);
    
    _nutritionMsgsTable = [[Z7MessagesPanelTableView alloc] initWithFrame:nutritionMsgsTableFrame andComponents:nil inContainer:self];
    
//    gmailViewHeader = [[Y3GmailViewHeader alloc] initWithDelegate:self];
//    CGRect gmailHeaderFrame = CGRectMake(0.0, 0.0, totalFrame.size.width, [gmailViewHeader heightRequirement]);
//    [gmailViewHeader setFrame:gmailHeaderFrame];
//    [gmailViewHeader setBackgroundColor:[UIColor colorWithHue:0.27 saturation:1.0 brightness:1.0 alpha:1.0]];
    
    [_nutritionMsgsTable setDataSource:self];
    [_nutritionMsgsTable setDelegate:self];
    
    [_nutritionMsgsTable registerClass:[Y3GmailViewHeader class] forHeaderFooterViewReuseIdentifier:HeaderIdentifier];
    [_nutritionMsgsTable measureForSectionHead:[Y3GmailViewHeader heightRequirement]];
//    [_nutritionMsgsTable registerClass:[UITableViewHeaderFooterView class] forHeaderFooterViewReuseIdentifier:HeaderIdentifier];

    // TODO: modify to install head as section-head, instead of being table-head.
    // [_nutritionMsgsTable setViewForHead:gmailViewHeader];
    
    gmailViewFooter = [[Y3GmailViewFooter alloc] initWithDelegate:self];
    CGRect gmailFooterFrame = CGRectMake(0.0, 0.0, totalFrame.size.width, [gmailViewFooter heightRequirement]);
    [gmailViewFooter setFrame:gmailFooterFrame];
    [gmailViewFooter setBackgroundColor:[UIColor colorWithHue:0.3 saturation:1.0 brightness:1.0 alpha:1.0]];
    [_nutritionMsgsTable setViewForTail:gmailViewFooter];
    
    [_emailMessages setArray:dbEmail];
    
    [self.view addSubview:_nutritionMsgsTable];
    
    [self reframeTable];
    
    Z5GoogleLoginController *loginControl = [[[Z5DataController sharedInstance] remoteDataController] loginController];
    [loginControl addLoginListener:self];
}
- (void) addMailScanButton
{
    CGRect totalFrame = self.view.frame;
    CGRect manualMailButtonFrame = CGRectMake(totalFrame.size.width * 0.04,
                                              totalFrame.size.height * 0.83,
                                              totalFrame.size.width * 0.42,
                                              totalFrame.size.height * 0.07);
    manualMailButton = [[UIButton alloc] initWithFrame: manualMailButtonFrame];
    [manualMailButton setTitle:@"scan msgs" forState:UIControlStateNormal];
    [manualMailButton addTarget:self action:@selector(execMailSession) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:manualMailButton];
}
-(void) viewDidAppear:(BOOL)animated
{
    [[[Z5DataController sharedInstance] localDataController] saveContext];
    
    [gmailViewHeader appear:nutritionMessagesFrame];
    [gmailViewFooter appear:nutritionMessagesFrame];

    NSInteger nMsgs = [_emailMessages count];
    NSInteger nRows = [_nutritionMsgsTable numberOfRowsInSection:0];
    if ((0 < nMsgs) && (nRows > 1)){
        CGPoint newContentOffset = CGPointMake(0, [_nutritionMsgsTable contentSize].height -  _nutritionMsgsTable.bounds.size.height);
        [_nutritionMsgsTable setContentOffset:newContentOffset animated:YES];
    }
}

#pragma mark - Z5GoogleLoginListener
- (void) signedIn: (GIDGoogleUser *)user
{
    NSLog(@"GmailViewController.signedIn: %@", user.profile.name);
    
    // [gmailViewHeader signedIn:user];
    [gmailViewFooter signedIn:user];
    [self placeLogoutButton];

    [self updateUI];
}

- (void) signedOut:(GIDGoogleUser *)user
{
    // self.service = nil;
}

//- (void) logOutGoogle {
//    NSLog(@"Y3GmailViewController.logOutGoogle");
//    
//    [[GIDSignIn sharedInstance] signOut];
//    
//    Z5GoogleLoginController *loginData = [[[Z5DataController sharedInstance] remoteDataController] loginController];
//    [loginData revisitSignOut];
//    if (nil!=_parentController) {
//        [_parentController popPushController:self];
//    }
//    
//    // [gmailData removeDataListener:self];
//    [gmailViewHeader logOutGoogle];
//    
//    self.navigationItem.rightBarButtonItem = nil;
//    self.navigationItem.rightBarButtonItem.enabled = NO;
//}

- (void) placeLogoutButton
{
    Z5GoogleLoginController *loginControl = [[[Z5DataController sharedInstance] remoteDataController] loginController];
    UIBarButtonItem *anotherButton = [[UIBarButtonItem alloc] initWithTitle:@"Logout"
                                                                      style:UIBarButtonItemStylePlain
                                                                     target:loginControl
                                                                     action:@selector(logOutGoogle)];
    self.navigationItem.rightBarButtonItem = anotherButton;
    self.navigationItem.rightBarButtonItem.enabled = YES;
}

- (void) reframeTable
{
    CGRect totalFrame = self.view.frame;
    float messagesTableHeight = 0.0;
    CGRect topNaviFrame = [[[self navigationController] navigationBar] frame];
    float availableWindowTop = topNaviFrame.origin.y + topNaviFrame.size.height;
    
    messagesTableHeight = [_nutritionMsgsTable getViewHeightReqmt];
    float maxHgt = totalFrame.size.height * 0.84;
    NSLog(@"Y3GmailViewController.reframeTable: msgsTbHt: %3.2f  mxHt: %3.2f", messagesTableHeight, maxHgt);
    if (maxHgt < messagesTableHeight) {
        messagesTableHeight = maxHgt;
    }
    nutritionMessagesFrame = CGRectMake(totalFrame.size.width * 0.04,
                                        availableWindowTop + totalFrame.size.height * 0.02,
                                        totalFrame.size.width * 0.92,
                                        messagesTableHeight);
    [_nutritionMsgsTable setFrame:nutritionMessagesFrame];
    
    [self.view setNeedsDisplay];
    [[self nutritionMsgsTable] reloadData];
    [self viewDidAppear:YES];
}


#pragma mark - button action

- (void) execMailSession
{
    // [manualMailButton removeFromSuperview];
    [manualMailButton setBackgroundColor:[UIColor cyanColor]];
    // [self.view addSubview:manualMailButton];
    
    Z5GmailDataController *mailControl = [[[Z5DataController sharedInstance] remoteDataController] emailController];
    
    mailUtility = [[M9MailServerNavigator alloc] init:self];
    [mailControl fetchJournalHeaders:mailUtility];
    
    // recast after delay
    [self performSelector:@selector(fetchMailAfterDelay) withObject:nil afterDelay:3.2];
}

- (void) fetchMailAfterDelay
{
    Z5LocalDataController *localData = [[Z5DataController sharedInstance] localDataController];
    NSArray<EmailMessage *> *dbEmail = [localData retrieveAllEmailMessages];
    
    NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"date" ascending:NO];
    [_emailMessages setArray:[dbEmail sortedArrayUsingDescriptors:@[sortDescriptor]]];
    [self reframeTable];    
}

-(void) fireAccountEntry
{
    NSLog(@"NutritionRoot.fireAccountEntry  --  NO-OP");
/*
 Y3AccountsViewController *vc2 = [[Y3AccountsViewController alloc] init];
    [[self navigationController] pushViewController:vc2 animated:YES];
 */
}



#pragma mark - Y3GmailViewProtocol

- (void) updateUI {
    NSLog(@"Y3GmailViewController.updateUI");
    [_nutritionMsgsTable reloadData];
    
    [manualMailButton removeFromSuperview];
    
    Z5GoogleLoginController *loginControl = [[[Z5DataController sharedInstance] remoteDataController] loginController];
    if ([[loginControl signedIn] boolValue]) {
        // [self addMailScanButton];
    }
}

- (void) updateHTML:(NSString *)body
{
    NSLog(@"GmailView.updateHTML: %@", body);
    messageHtml = [[NSString alloc] initWithString:body];
    
    // [webView loadHTMLString:body baseURL:nil];
    [manualMailButton setHidden:NO];
    [addItemButton setHidden:NO];
    
    // [webView setHidden:NO];
}
- (void) photoAvailable: (NSDictionary *) partDetail
{
    NSString *filename = [partDetail objectForKey:@"part-filename"];
    NSString *contentID = [partDetail objectForKey:@"part-contentID"];
    
    NSLog(@"GmailViewControl.photoAvailable: %@  content-ID: %@", filename, contentID);
    
    NSString *updatePhrase;
    NSCharacterSet *carats = [NSCharacterSet characterSetWithCharactersInString:@"<>"];
    NSArray<NSString *> *htmlBits = [messageHtml componentsSeparatedByCharactersInSet:carats];
    for (NSString *bits in htmlBits) {
        NSLog(@"         photoAvail: bit: %@", bits);
        if (filename && [bits containsString:filename]) {
            updatePhrase = [[NSString alloc] initWithString:bits];
        } else if (contentID && [bits containsString:contentID]) {
            updatePhrase = [[NSString alloc] initWithString:bits];
        }
    }
    
    NSString *imageHtml = [[NSString alloc] initWithFormat:@"<center><img src=\"%@\" width=\"%5.3f\"></center>", filename, 0.8 * webViewEmailWidth];
    NSString *revisedHtml = [messageHtml stringByReplacingOccurrencesOfString:updatePhrase withString:imageHtml];
    
    NSLog(@"GmailViewControl.photoAvailable: revisedHtml: %@", revisedHtml);
    // NSURL *baseURL = [NSURL fileURLWithPath:@"file:///path/to/user/"];
    // NSString  *imageDirPath = [NSHomeDirectory() stringByAppendingPathComponent:@"images/"];
    // NSURL *baseURL = [NSURL fileURLWithPath:imageDirPath];
    // [self.webView loadHTMLString:revisedHtml baseURL:baseURL];
}

#pragma mark - Z7MessagesTableDelegate
- (void) messageSwiped:(NSInteger) nRow
{
    NSLog(@"Y3GmailViewController.messageSwiped: removing message: %ld", (long)nRow);
    
    EmailMessage *eMsg = [self.emailMessages objectAtIndex:nRow];
    NSString *swipedMesgUID = [eMsg remoteUniqueIID];
    
    Z5LocalDataController *localData = [[Z5DataController sharedInstance] localDataController];
    [localData deleteEmailMessageWithFileIdentification:swipedMesgUID];
    [mailUtility initializeBlockedList];

    // display removal
    [self.emailMessages removeObjectAtIndex:nRow];
}

- (NSMutableArray<EmailMessage *> *) retrieveEmailMessages
{
    return _emailMessages;
}

#pragma mark - UITextFieldDelegate
// from http://stackoverflow.com/questions/10077155/how-to-add-done-button-to-the-keyboard
- (void)textFieldDidEndEditing:(UITextField *)textField {
    NSLog(@"GmailViewControl.textFieldDidEndEditing");
    [textField resignFirstResponder];
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    [textField resignFirstResponder];
    return YES;
}
//- (void)textFieldDidBeginEditing:(UITextField *)textField {
// [textField S


#pragma mark - WKUIDelegate

- (void)webView:(WKWebView *)webView
didFinishNavigation:(WKNavigation *)navigation
{
    NSLog(@"GmailViewControl.didFinishNavigation: width: %3.2f", webView.scrollView.contentSize.width);
    webViewEmailWidth = webView.scrollView.contentSize.width;
}

#pragma mark - GmailHeader delegate

- (GIDProfileData *) getLoggedInProfile
{
    Z5GoogleLoginController *loginData = [[[Z5DataController sharedInstance] remoteDataController] loginController];
    
    return loginData.signedInUser.profile;
}

#pragma mark - GmailFooter delegate

- (void) didTapScanServer
{
    NSLog(@"GmailViewControl.didTapScanServer");
    [self execMailSession];
//    Z5GmailDataController *eMailCntrlr = [[[Z5DataController sharedInstance] remoteDataController] emailController];
//    [eMailCntrlr fetchJournalHeaders:self];
    
    // goal: determine when download of messages complete, when
    // all the tickes are anwered. when the headers are fetched and a 'nutrition information message' is found, its
    // message and all the parts are downloaded.
    // TODO: within the header receipt/message request loop, keep
    // track of tickets
    // TODO: within the message received, remove tickets from
    // the 'outstanding tickets' array, when empty,
    // call 'assessMessagesToDisplay'
    
    // in the mean-time, cheese ball
    [self performSelector:@selector(reframeTable) withObject:nil afterDelay:3.0];
}

- (void) didTapAddItem
{
NSLog(@"GmailViewControl.didTapAddItem");

}
// TableViewDataSource
#pragma mark - Table view data source

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

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    NSInteger ret = [self assessMessagesToDisplay];
    return ret;
}

- (NSInteger) assessMessagesToDisplay
{
    NSInteger ret = [_emailMessages count];
    
    NSLog(@"Y3GmailViewController.assessMessagesToDisplay: ret: %ld", (long)ret);
    return ret;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"todays-menu"];
    // NSLog(@"GmailView.cellForRow: cell: %@", cell);
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:@"todays-menu"];
        
        cell.contentView.autoresizingMask = UIViewAutoresizingFlexibleHeight|UIViewAutoresizingFlexibleWidth;
        
        
        CGRect contentRect = [cell.contentView frame];
        CGRect fetchPublishButton1Frame = CGRectMake(contentRect.size.width - 86.0f, 5.0, 34.0f, contentRect.size.height - 10);
        UIButton *pushMe = [[UIButton alloc] initWithFrame:fetchPublishButton1Frame];
        [pushMe setTitle:@"GO" forState:UIControlStateApplication];
        [pushMe setBackgroundColor:[UIColor greenColor]];
        
        
        // [cell.contentView addSubview:pushMe];
        [cell setHidden:NO];
        
        
    }
    // CGRect contentRect = [cell.contentView frame];
    // CGRect maskRect = cell.maskView.bounds;
    // NSLog(@"MessagesPanel.cellForRow/B: cell Hgt: %3.2f", cell.bounds.size.height);

    NSInteger nMesgs = [_emailMessages count];
    
    if (nMesgs > [indexPath row]) {
        EmailMessage *mailMsg = [_emailMessages objectAtIndex:[indexPath row]];
        NSString *caption = [mailMsg subject];
        NSString *shortCaption = [caption stringByReplacingOccurrencesOfString:@"(Nutrition Information Journal)" withString:@"<>"];
        NSString *shortCaption2 = [shortCaption stringByReplacingOccurrencesOfString:@"(nutrition information journal)" withString:@"<>"];

        cell.textLabel.text = shortCaption2;
        UIColor *labelizeColor;
        if (mailMsg.randomkey) {
            labelizeColor = [UIColor hazySkyBlueColor];
            // NSLog(@"Y3GmailViewController.cellForRowAtIndexPath: DB marker");
        } else {
            labelizeColor = [UIColor yellowColor];
            // NSLog(@"Y3GmailViewController.cellForRowAtIndexPath: NO DB entry");
        }
        NSDate *cellDate = [mailMsg date];
        NSString *messageDate = [mDateFormatter stringFromDate:cellDate];

        // [Z5DataController labelizeCell:cell withText:caption inColor:labelizeColor andDetail:messageDate];
        [Z5DataController labelizeCell:cell withText:caption image:[mailMsg photo] inColor:labelizeColor andDetail:messageDate];

    } else {
        [Z5DataController labelizeCell:cell withText:@"empty" image:nil inColor:[UIColor yellowColor] andDetail:@"scan server"];
    }
    
    return cell;
    
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
    float ret = [Y3GmailViewHeader heightRequirement];
    return ret;
}
- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
    Y3GmailViewHeader *sectionHeaderView = [tableView dequeueReusableHeaderFooterViewWithIdentifier:HeaderIdentifier];
    CGRect sectionHeaderViewFrame = CGRectMake(0.0, 0.0, 300.0, [Y3GmailViewHeader heightRequirement]);
    [sectionHeaderView setMsgHeaderDelegate:self];
    [sectionHeaderView appear:sectionHeaderViewFrame];
    return sectionHeaderView;

}

#pragma mark - Table view delegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    // int row = (int)[indexPath row];
    Y3GmailViewHeader *theHeaderView = (Y3GmailViewHeader*)[tableView headerViewForSection:indexPath.section];
    NSLog(@"%@",theHeaderView);
    //    [theHeaderView.lblSomething setAlpha:theHeaderView.lblSomething.alpha-0.1];

    EmailMessage *focusEmailMsg = [_emailMessages objectAtIndex:[indexPath row]];
    NSString *messageUID = [focusEmailMsg remoteUniqueIID];
    
    NSLog(@"GmailViewController.didSelectRow: focusEmailUID: %@", messageUID);
    NSLog(@"GmailViewController.didSelectRow: focusEmailMsg: %@", focusEmailMsg);
    
    // this does init and viewDidLoad
    Y3MailDisplayViewController *vc2 = [[Y3MailDisplayViewController alloc] init];
    [vc2 setFocusEmailMsg:focusEmailMsg];
    // this does viewWillAppear
    // NSLog(@"GmailViewController.didSelectRow: vc.focusEmailMsg: %@", vc2.focusEmailMsg);
    [[self navigationController] pushViewController:vc2 animated:YES];

}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end