LDTProfileViewController.m

//
//  LDTProfileViewController.m
//  Lets Do This
//
//  Created by Aaron Schachter on 7/9/15.
//  Copyright (c) 2015 Do Something. All rights reserved.
//

#import "LDTProfileViewController.h"
#import "LDTTheme.h"
#import "LDTCampaignDetailViewController.h"
#import "LDTSettingsViewController.h"
#import "LDTTabBarController.h"
#import "GAI+LDT.h"
#import "LDTProfileHeaderTableViewCell.h"
#import "LDTProfileCampaignTableViewCell.h"
#import "LDTProfileReportbackItemTableViewCell.h"
#import "LDTProfileNoSignupsTableViewCell.h"
#import "LDTActivityViewController.h"
#import "LDTEpicFailViewController.h"
#import "LDTAppDelegate.h"

@interface LDTProfileViewController ()<UITableViewDataSource, UITableViewDelegate, UIImagePickerControllerDelegate, UINavigationControllerDelegate, LDTProfileHeaderTableViewCellDelegate, LDTProfileCampaignTableViewCellDelegate, LDTReportbackItemDetailViewDelegate, LDTEpicFailSubmitButtonDelegate>

@property (assign, nonatomic) BOOL isCurrentUserProfile;
@property (assign, nonatomic) BOOL isProfileLoaded;
@property (strong, nonatomic) LDTProfileReportbackItemTableViewCell *reportbackItemSizingCell;
@property (strong, nonatomic) NSMutableArray *campaignsDoing;
@property (strong, nonatomic) NSMutableArray *campaignsCompleted;
@property (strong, nonatomic) UIImagePickerController *imagePickerController;
@property (weak, nonatomic) IBOutlet UITableView *tableView;

@end

typedef NS_ENUM(NSInteger, LDTProfileSectionType) {
    LDTProfileSectionTypeHeader,
    LDTProfileSectionTypeCampaign
};

@implementation LDTProfileViewController

#pragma mark - NSObject

-(instancetype)initWithUser:(DSOUser *)user {
    self = [super initWithNibName:@"LDTProfileView" bundle:nil];

    if (self) {
        _user = user;
    }

    return self;
}

#pragma mark - UIViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    if ([self.user isLoggedInUser] || !self.user) {
        self.user = [DSOUserManager sharedInstance].user;
        self.isCurrentUserProfile = YES;
        self.isProfileLoaded = YES;
    }
    else {
        self.isProfileLoaded = NO;
    }

    self.navigationItem.title = nil;
    [self styleView];

    [self.tableView registerNib:[UINib nibWithNibName:@"LDTProfileHeaderTableViewCell" bundle:nil] forCellReuseIdentifier:@"headerCell"];
    [self.tableView registerNib:[UINib nibWithNibName:@"LDTProfileCampaignTableViewCell" bundle:nil] forCellReuseIdentifier:@"campaignCell"];
    [self.tableView registerNib:[UINib nibWithNibName:@"LDTProfileReportbackItemTableViewCell" bundle:nil] forCellReuseIdentifier:@"reportbackItemCell"];
    [self.tableView registerNib:[UINib nibWithNibName:@"LDTProfileNoSignupsTableViewCell" bundle:nil] forCellReuseIdentifier:@"noSignupsCell"];

    UINib *reportbackItemCellNib = [UINib nibWithNibName:@"LDTProfileReportbackItemTableViewCell" bundle:nil];
    self.reportbackItemSizingCell = [[reportbackItemCellNib instantiateWithOwner:nil options:nil] firstObject];

    self.tableView.estimatedRowHeight = 400.0;
    self.tableView.rowHeight = UITableViewAutomaticDimension;

    if (self.isCurrentUserProfile) {
        UIBarButtonItem *settingsButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"Settings Icon"] style:UIBarButtonItemStylePlain target:self action:@selector(settingsTapped:)];
        self.navigationItem.rightBarButtonItem = settingsButton;
        self.imagePickerController = [[UIImagePickerController alloc] init];
        self.imagePickerController.delegate = self;
        self.imagePickerController.allowsEditing = YES;
    }
    else {
        [self loadUserProfile];
    }
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];

    [self.navigationController styleNavigationBar:LDTNavigationBarStyleClear];
    [self.navigationController setNavigationBarHidden:NO animated:YES];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];

    [self styleView];

    self.navigationController.hidesBarsOnSwipe = YES;
    [self.navigationController.barHideOnSwipeGestureRecognizer addTarget:self action:@selector(handleSwipeGestureRecognizer:)];

    // Check for scenario where user may have logged out and then logged in as a different user.
    if (self.isCurrentUserProfile && ![self.user isLoggedInUser]) {
        self.user = [DSOUserManager sharedInstance].user;
    }

    NSString *trackingString;
    if (self.isCurrentUserProfile) {
        // Logged in user may have signed up, reported back, or logged in as a different user since this VC was first loaded.
        [self.tableView reloadData];
        trackingString = @"self";
    }
    else {
        trackingString = self.user.userID;
    }
    [[GAI sharedInstance] trackScreenView:[NSString stringWithFormat:@"user-profile/%@", trackingString]];
}

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];

    self.tableView.contentInset = UIEdgeInsetsMake(0,0,0,0);
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];

    UIView *statusBarBackgroundView = ((LDTAppDelegate *)[UIApplication sharedApplication].delegate).statusBarBackgroundView;
    statusBarBackgroundView.backgroundColor = UIColor.whiteColor;
    self.navigationController.navigationBar.barStyle = UIStatusBarStyleDefault;
}

- (UIStatusBarStyle)preferredStatusBarStyle {
    return UIStatusBarStyleLightContent;
}

#pragma Mark - LDTUserProfileViewController

- (void)styleView {
    self.view.backgroundColor = LDTTheme.ctaBlueColor;
    self.tableView.backgroundColor = UIColor.clearColor;
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    [self styleBackBarButton];
    UIView *statusBarBackgroundView = ((LDTAppDelegate *)[UIApplication sharedApplication].delegate).statusBarBackgroundView;
    statusBarBackgroundView.backgroundColor = LDTTheme.ctaBlueColor;
    self.navigationController.navigationBar.barStyle = UIStatusBarStyleLightContent;
}

- (void)loadUserProfile {
    [SVProgressHUD showWithStatus:@"Loading profile..."];

    [[DSOUserManager sharedInstance] loadActiveCampaignSignupsForUser:self.user completionHandler:^{
        [SVProgressHUD dismiss];
        self.isProfileLoaded = YES;
        [self.tableView reloadData];
    } errorHandler:^(NSError *error) {
        [SVProgressHUD dismiss];
        // No connection or timeout:
        if (error.code == -1001 || error.code == -1009) {
            LDTEpicFailViewController *epicFailVC = [[LDTEpicFailViewController alloc] initWithTitle:[error readableTitle] subtitle:[error readableMessage]];
            epicFailVC.delegate = self;
            UINavigationController *navVC = [[UINavigationController alloc] initWithRootViewController:epicFailVC];
            [navVC styleNavigationBar:LDTNavigationBarStyleNormal];
            [self presentViewController:navVC animated:YES completion:nil];
        }
        else {
            // @todo: Render specific EpicFail cell instead of NoSignups (GH #620)
            // See -tableView:cellForRowAtIndexPath:
            self.isProfileLoaded = YES;
            [self.tableView reloadData];
        }
    }];
}

- (void)handleSwipeGestureRecognizer:(UISwipeGestureRecognizer *)recognizer {
    [self setNeedsStatusBarAppearanceUpdate];
}

- (IBAction)settingsTapped:(id)sender {
    LDTSettingsViewController *destVC = [[LDTSettingsViewController alloc] initWithNibName:@"LDTSettingsView" bundle:nil];
    UINavigationController *destNavVC = [[UINavigationController alloc] initWithRootViewController:destVC];
    [destNavVC styleNavigationBar:LDTNavigationBarStyleClear];
    LDTTabBarController *tabBar = (LDTTabBarController *)[[[[UIApplication sharedApplication] delegate] window] rootViewController];
    [tabBar presentViewController:destNavVC animated:YES completion:nil];
}

- (void)didClickUserAvatarButtonForCell:(LDTProfileHeaderTableViewCell *)cell {
    if (!self.isCurrentUserProfile) {
        return;
    }
    [[GAI sharedInstance] trackEventWithCategory:@"account" action:@"change avatar" label:nil value:nil];
    UIAlertController *avatarAlertController = [UIAlertController alertControllerWithTitle:@"Set your photo" message:nil                                                              preferredStyle:UIAlertControllerStyleActionSheet];

    UIAlertAction *cameraAlertAction;
    if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
        cameraAlertAction = [UIAlertAction actionWithTitle:@"Take Photo" style:UIAlertActionStyleDefault handler:^(UIAlertAction * action){
            self.imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
            [self presentViewController:self.imagePickerController animated:YES completion:NULL];
        }];
    }
    else {
        cameraAlertAction = [UIAlertAction actionWithTitle:@"(Camera Unavailable)" style:UIAlertActionStyleDefault handler:^(UIAlertAction * action){
            [avatarAlertController dismissViewControllerAnimated:YES completion:nil];
        }];
    }

    UIAlertAction *photoLibraryAlertAction = [UIAlertAction actionWithTitle:@"Choose From Library" style:UIAlertActionStyleDefault handler:^(UIAlertAction * action){
        self.imagePickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
        [self presentViewController:self.imagePickerController animated:YES completion:NULL];
    }];

    UIAlertAction *cancelAlertAction = [UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction * action) {
        [avatarAlertController dismissViewControllerAnimated:YES completion:nil];
    }];

    [avatarAlertController addAction:cameraAlertAction];
    [avatarAlertController addAction:photoLibraryAlertAction];
    [avatarAlertController addAction:cancelAlertAction];
    [self presentViewController:avatarAlertController animated:YES completion:nil];
}

- (void)configureHeaderCell:(LDTProfileHeaderTableViewCell *)headerCell {
    headerCell.delegate = self;
    headerCell.selectionStyle = UITableViewCellSelectionStyleNone;
    headerCell.userAvatarImage = self.user.photo;
    headerCell.userCountryNameText = self.user.countryName.uppercaseString;
    headerCell.userDisplayNameText = self.user.displayName.uppercaseString;
}

- (void)configureCampaignCell:(LDTProfileCampaignTableViewCell *)campaignCell campaign:(DSOCampaign *)campaign{
    campaignCell.delegate = self;
    campaignCell.selectionStyle = UITableViewCellSelectionStyleNone;
    campaignCell.campaign = campaign;
    campaignCell.campaignTitleButtonTitle = campaign.title;
    campaignCell.campaignTaglineText = campaign.tagline;
}

- (void)configureReportbackItemCell:(LDTProfileReportbackItemTableViewCell *)reportbackItemCell indexPath:(NSIndexPath *)indexPath{
    reportbackItemCell.selectionStyle = UITableViewCellSelectionStyleNone;
    reportbackItemCell.detailView.delegate = self;

    DSOCampaignSignup *signup = self.user.campaignSignups[indexPath.row];
    DSOReportbackItem *reportbackItem = signup.reportbackItem;
    reportbackItemCell.detailView.reportbackItem = reportbackItem;
    reportbackItemCell.detailView.campaignButtonTitle = reportbackItem.campaign.title;

    BOOL isNewReportbackItem = NO;
    if (self.isCurrentUserProfile) {
        reportbackItemCell.detailView.displayShareButton = YES;
        reportbackItemCell.detailView.shareButtonTitle = @"Share your photo".uppercaseString;
        // If reportback was just submitted, we'll have an image property set.
        if (reportbackItem.image) {
            // Display the image we have in memory (its imageURL hasnt been set yet) -- refs GH issue #669
            reportbackItemCell.detailView.reportbackItemImage = reportbackItem.image;
            isNewReportbackItem = YES;
        }
    }
    else {
        reportbackItemCell.detailView.displayShareButton = NO;
    }
    if (!isNewReportbackItem) {
        reportbackItemCell.detailView.reportbackItemImageURL = reportbackItem.imageURL;
    }

    reportbackItemCell.detailView.userAvatarImage = self.user.photo;
    reportbackItemCell.detailView.userCountryNameLabelText = self.user.countryName;
    reportbackItemCell.detailView.userDisplayNameButtonTitle = self.user.displayName;
    reportbackItemCell.detailView.captionLabelText = reportbackItem.caption;
    reportbackItemCell.detailView.quantityLabelText = [NSString stringWithFormat:@"%li %@ %@", (long)reportbackItem.quantity, reportbackItem.campaign.reportbackNoun, reportbackItem.campaign.reportbackVerb];
}

- (void)configureNoSignupsCell:(LDTProfileNoSignupsTableViewCell *)noSignupsCell {
    if (self.user.isLoggedInUser) {
        noSignupsCell.titleLabelText = @"You aren't doing anything right now!";
        noSignupsCell.subtitleLabelText = @"We have 12 fresh ideas every month, check them out in the Actions tab.";
    }
    else {
        noSignupsCell.titleLabelText = @"Oops, our bad.";
        noSignupsCell.subtitleLabelText = @"There was a problem with that request.";
    }
}

# pragma mark - LDTProfileCampaignTableViewCellDelegate

- (void)didClickCampaignTitleButtonForCell:(LDTProfileCampaignTableViewCell *)cell {
    LDTCampaignDetailViewController *destVC = [[LDTCampaignDetailViewController alloc] initWithCampaign:cell.campaign];
    [self.navigationController pushViewController:destVC animated:YES];
}

# pragma mark - LDTReportbackItemDetailViewDelegate

- (void)didClickCampaignTitleButtonForReportbackItemDetailView:(LDTReportbackItemDetailView *)reportbackItemDetailView {
    LDTCampaignDetailViewController *destVC = [[LDTCampaignDetailViewController alloc] initWithCampaign:reportbackItemDetailView.reportbackItem.campaign];
    [self.navigationController pushViewController:destVC animated:YES];
}

- (void)didClickShareButtonForReportbackItemDetailView:(LDTReportbackItemDetailView *)reportbackItemDetailView {
    LDTActivityViewController *sharePhotoActivityViewController = [[LDTActivityViewController alloc] initWithReportbackItem:reportbackItemDetailView.reportbackItem image:reportbackItemDetailView.reportbackItemImage];
    [self presentViewController:sharePhotoActivityViewController animated:YES completion:nil];
}

- (void)didClickOnReportbackItemUserForReportbackItemDetailView:(LDTReportbackItemDetailView *)reportbackItemDetailView {
    return;
}

#pragma mark - LDTEpicFailSubmitButtonDelegate

- (void)didClickSubmitButton:(LDTEpicFailViewController *)vc {
    [self.presentedViewController dismissViewControllerAnimated:YES completion:nil];

    [self loadUserProfile];
}

#pragma mark - UIImagePickerControllerDelegate

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    UIImage *selectedImage = info[UIImagePickerControllerEditedImage];
    [picker dismissViewControllerAnimated:YES completion:^{
        [SVProgressHUD showWithStatus:@"Uploading..."];
        [[DSOAPI sharedInstance] postUserAvatarWithUserId:self.user.userID avatarImage:selectedImage completionHandler:^(id responseObject) {
            self.user.photo = selectedImage;
            // @todo: Could only refresh first section, not entire tableView.
            [self.tableView reloadData];
            [SVProgressHUD dismiss];
            [LDTMessage displaySuccessMessageWithTitle:@"Hey good lookin'." subtitle:@"You've successfully changed your profile photo."];
            NSLog(@"Successful user avatar upload: %@", responseObject);
        } errorHandler:^(NSError * error) {
            [SVProgressHUD dismiss];
            [LDTMessage displayErrorMessageForError:error];
        }];
    }];
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    [picker dismissViewControllerAnimated:YES completion:NULL];
}

# pragma mark - UINavigationControllerDelegate

- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
    viewController.title = @"Select photo".uppercaseString;
    [viewController.navigationController styleNavigationBar:LDTNavigationBarStyleNormal];
    [viewController styleBackBarButton];
    [viewController styleRightBarButton];
}

#pragma mark -- UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    if (section == LDTProfileSectionTypeHeader) {
        return 1;
    }
    if (self.isProfileLoaded) {
        if (self.user.campaignSignups.count > 0) {
            return self.user.campaignSignups.count;
        }
        return 1;
    }

    return 0;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 2;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == LDTProfileSectionTypeHeader) {
        LDTProfileHeaderTableViewCell *headerCell = [tableView dequeueReusableCellWithIdentifier:@"headerCell"];
        [self configureHeaderCell:headerCell];
        return headerCell;
    }
    // @todo: If this isn't currentUserProfile and we're viewing someone's profile -- there must be an error, we wouldn't get to their profile unless they had reported back. This would probably be better as an EpicFail cell instead of the noSignupsCell (GH #620)
    if (self.user.campaignSignups.count == 0) {
        LDTProfileNoSignupsTableViewCell *noSignupsCell = [tableView dequeueReusableCellWithIdentifier:@"noSignupsCell"];
        [self configureNoSignupsCell:noSignupsCell];
        return noSignupsCell;
    }

    DSOCampaignSignup *signup = self.user.campaignSignups[indexPath.row];
    if (signup.reportbackItem) {
        LDTProfileReportbackItemTableViewCell *reportbackItemCell = [tableView dequeueReusableCellWithIdentifier:@"reportbackItemCell"];
        [self configureReportbackItemCell:reportbackItemCell indexPath:indexPath];
        return reportbackItemCell;
    }
    else {
        DSOCampaign *campaign = [[DSOUserManager sharedInstance] activeCampaignWithId:signup.campaign.campaignID];
        LDTProfileCampaignTableViewCell *campaignCell = [tableView dequeueReusableCellWithIdentifier:@"campaignCell"];
        [self configureCampaignCell:campaignCell campaign:campaign];
        return campaignCell;
    }
    return nil;

}

#pragma mark -- UITableViewDelegate

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == LDTProfileSectionTypeCampaign) {
        if (self.isProfileLoaded && self.user.campaignSignups.count == 0) {
            // Create a sizing profileHeader cell to get its height.
            UINib *profileHeaderCellNib = [UINib nibWithNibName:@"LDTProfileHeaderTableViewCell" bundle:nil];
            LDTProfileHeaderTableViewCell *profileHeaderSizingCell = [[profileHeaderCellNib instantiateWithOwner:nil options:nil] firstObject];
            [self configureHeaderCell:profileHeaderSizingCell];
            profileHeaderSizingCell.frame = CGRectMake(0, 0, CGRectGetWidth(self.tableView.bounds), CGRectGetHeight(profileHeaderSizingCell.frame));
            [profileHeaderSizingCell setNeedsLayout];
            [profileHeaderSizingCell layoutIfNeeded];
            CGFloat profileHeaderHeight = [profileHeaderSizingCell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height;
            return self.tableView.bounds.size.height - profileHeaderHeight;
        }
        DSOCampaignSignup *signup = self.user.campaignSignups[indexPath.row];
        if (signup.reportbackItem) {
            [self configureReportbackItemCell:self.reportbackItemSizingCell indexPath:indexPath];
            CGFloat detailViewHeight = [self.reportbackItemSizingCell.detailView heightForWidth:self.tableView.frame.size.width];
            // Add bottom padding / border UIView:
            return detailViewHeight + 16;
        }
    }
    return UITableViewAutomaticDimension;
}

@end