//
//  TUIGroupCreateController.m
//  TUIContact
//
//  Created by wyl on 2022/8/22.
//  Copyright © 2023 Tencent. All rights reserved.
//

#import "TUIGroupCreateController.h"
#import <TIMCommon/TIMCommonModel.h>
#import <TIMCommon/TIMDefine.h>
#import <TUICore/TUILogin.h>
#import <TUICore/TUIThemeManager.h>
#import <TUICore/UIView+TUILayout.h>
#import "TUIGroupTypeListController.h"

@interface TUIGroupCreateController () <UITableViewDataSource, UITableViewDelegate, UITextFieldDelegate>
@property(nonatomic, strong) UITableView *tableView;
@property(nonatomic, strong) UITextField *groupNameTextField;
@property(nonatomic, strong) UITextField *groupIDTextField;
@property(nonatomic, assign) BOOL keyboardShown;
@property(nonatomic, strong) TUINaviBarIndicatorView *titleView;
@property(nonatomic, strong) UITextView *describeTextView;
@property(nonatomic, assign) CGRect describeTextViewRect;
@property(nonatomic, strong) TUIContactListPicker *pickerView;

@property(nonatomic, strong) UIImage *cacheGroupGridAvatarImage;

@end

@implementation TUIGroupCreateController

- (void)viewDidLayoutSubviews {
    [super viewDidLayoutSubviews];
    _pickerView.mm_width(self.view.mm_w).mm_height(60 + _pickerView.mm_safeAreaBottomGap).mm_bottom(0);
    _tableView.mm_width(self.view.mm_w).mm_flexToBottom(_pickerView.mm_h);
}
- (void)viewDidLoad {
    [super viewDidLoad];

    self.tableView = [[UITableView alloc] initWithFrame:self.view.frame style:UITableViewStylePlain];
    [self.view addSubview:self.tableView];
    self.tableView.frame = self.view.frame;
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    [self.tableView setSeparatorInset:UIEdgeInsetsMake(0, 0, 0, 0)];
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    self.tableView.backgroundColor = [UIColor groupTableViewBackgroundColor];
    if (@available(iOS 15.0, *)) {
        self.tableView.sectionHeaderTopPadding = 0;
    }

    self.groupNameTextField = [[UITextField alloc] initWithFrame:CGRectZero];
    self.groupNameTextField.textAlignment = isRTL()?NSTextAlignmentLeft: NSTextAlignmentRight;
    self.groupNameTextField.placeholder = TIMCommonLocalizableString(TUIKitCreatGroupNamed_Placeholder);
    self.groupNameTextField.delegate = self;
    if (IS_NOT_EMPTY_NSSTRING(self.createGroupInfo.groupName)) {
        self.groupNameTextField.text = self.createGroupInfo.groupName;
    }
    self.groupIDTextField = [[UITextField alloc] initWithFrame:CGRectZero];
    self.groupIDTextField.textAlignment = isRTL()?NSTextAlignmentLeft: NSTextAlignmentRight;
    self.groupIDTextField.keyboardType = UIKeyboardTypeDefault;
    self.groupIDTextField.placeholder = TIMCommonLocalizableString(TUIKitCreatGroupID_Placeholder);
    self.groupIDTextField.delegate = self;

    [self updateRectAndTextForDescribeTextView:self.describeTextView];

    _titleView = [[TUINaviBarIndicatorView alloc] init];
    [_titleView setTitle:TIMCommonLocalizableString(ChatsNewGroupText)];
    self.navigationItem.titleView = _titleView;
    self.navigationItem.title = @"";

    _pickerView = [[TUIContactListPicker alloc] initWithFrame:CGRectZero];
    [_pickerView setBackgroundColor:[UIColor groupTableViewBackgroundColor]];
    [self.view addSubview:_pickerView];
    _pickerView.accessoryBtn.enabled = YES;
    [_pickerView.accessoryBtn addTarget:self action:@selector(finishTask) forControlEvents:UIControlEventTouchUpInside];

    [self creatGroupAvatarImage];
}

- (UITextView *)describeTextView {
    if (!_describeTextView) {
        _describeTextView = [[UITextView alloc] init];
        _describeTextView.backgroundColor = [UIColor clearColor];
        _describeTextView.textAlignment = isRTL()?NSTextAlignmentRight:NSTextAlignmentLeft;
        _describeTextView.editable = NO;
        _describeTextView.scrollEnabled = NO;
        _describeTextView.textContainerInset = UIEdgeInsetsMake(0.f, 0.f, 0.f, 0.f);
    }
    return _describeTextView;
}
- (void)creatGroupAvatarImage {
    if (!TUIConfig.defaultConfig.enableGroupGridAvatar) {
        return;
    }
    if (_cacheGroupGridAvatarImage) {
        return;
    }
    NSMutableArray *muArray = [NSMutableArray array];
    for (TUICommonContactSelectCellData *cellData in self.createContactArray) {
        if (cellData.avatarUrl.absoluteString.length > 0) {
            [muArray addObject:cellData.avatarUrl.absoluteString];
        } else {
            [muArray addObject:@"about:blank"];
        }
    }
    // currentUser
    [muArray addObject:[TUILogin getFaceUrl] ?: @""];

    @weakify(self);
    [TUIGroupAvatar createGroupAvatar:muArray
                             finished:^(UIImage *groupAvatar) {
                               @strongify(self);
                               self.cacheGroupGridAvatarImage = groupAvatar;
                               [self.tableView reloadData];
                             }];
}

- (void)updateRectAndTextForDescribeTextView:(UITextView *)describeTextView {
    __block NSString *descStr = @"";
    [self.class getfomatDescribeType:self.createGroupInfo.groupType
                          completion:^(NSString *groupTypeStr, NSString *groupTypeDescribeStr) {
                            descStr = groupTypeDescribeStr;
                          }];
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
    paragraphStyle.minimumLineHeight = 18;
    [paragraphStyle setLineBreakMode:NSLineBreakByWordWrapping];
    [paragraphStyle setAlignment:isRTL()?NSTextAlignmentRight: NSTextAlignmentLeft];
    
    NSDictionary *dictionary = @{
        NSFontAttributeName : [UIFont systemFontOfSize:12],
        NSForegroundColorAttributeName : [UIColor tui_colorWithHex:@"#888888"],
        NSParagraphStyleAttributeName : paragraphStyle
    };
    NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:descStr attributes:dictionary];
    [attributedString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, [descStr length])];
    NSString *inviteTipstring = TIMCommonLocalizableString(TUIKitCreatGroupType_Desc_Highlight);
    [attributedString addAttribute:NSLinkAttributeName value:@"https://cloud.tencent.com/product/im" range:[descStr rangeOfString:inviteTipstring]];
    self.describeTextView.attributedText = attributedString;

    CGRect rect =
        [self.describeTextView.text boundingRectWithSize:CGSizeMake(self.view.mm_w - 32, MAXFLOAT)
                                                 options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading
                                              attributes:@{NSFontAttributeName : [UIFont systemFontOfSize:12], NSParagraphStyleAttributeName : paragraphStyle}
                                                 context:nil];
    self.describeTextViewRect = rect;
}

#pragma mark - tableView
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath;
{
    if (indexPath.section == 2) {
        return 88;
    }
    return 44;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 3;
}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
    UIView *view = [[UIView alloc] init];
    view.backgroundColor = [UIColor clearColor];

    if (section == 2) {
        [view addSubview:self.describeTextView];
        _describeTextView.mm_width(_describeTextViewRect.size.width).mm_height(_describeTextViewRect.size.height).mm_top(10).mm_left(15);
    }
    return view;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
    return section == 2 ? _describeTextViewRect.size.height + 20 : 10;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    if (section == 0) {
        return 2;
    }
    return 1;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    if (indexPath.section == 0) {
        if (indexPath.row == 0) {
            UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"groupName"];
            cell.textLabel.text = TIMCommonLocalizableString(TUIKitCreatGroupNamed);
            [cell.contentView addSubview:self.groupNameTextField];
            cell.backgroundColor = TIMCommonDynamicColor(@"form_bg_color", @"#FFFFFF");
            [self.groupNameTextField mas_remakeConstraints:^(MASConstraintMaker *make) {
                make.trailing.mas_equalTo(cell.contentView.mas_trailing).mas_offset(- 16);
                make.height.mas_equalTo(cell.contentView);
                make.width.mas_equalTo(cell.contentView).multipliedBy(0.5);
                make.centerY.mas_equalTo(cell.contentView);
            }];
            return cell;
        } else {
            UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"groupID"];
            cell.backgroundColor = TIMCommonDynamicColor(@"form_bg_color", @"#FFFFFF");
            cell.textLabel.text = TIMCommonLocalizableString(TUIKitCreatGroupID);
            [cell.contentView addSubview:self.groupIDTextField];
            [self.groupIDTextField mas_remakeConstraints:^(MASConstraintMaker *make) {
                make.trailing.mas_equalTo(cell.contentView.mas_trailing).mas_offset(- 16);
                make.height.mas_equalTo(cell.contentView);
                make.width.mas_equalTo(cell.contentView).multipliedBy(0.5);
                make.centerY.mas_equalTo(cell.contentView);
            }];
            return cell;
        }
    } else if (indexPath.section == 1) {
        UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"GroupType"];
        cell.backgroundColor = TIMCommonDynamicColor(@"form_bg_color", @"#FFFFFF");
        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
        cell.textLabel.text = TIMCommonLocalizableString(TUIKitCreatGroupType);
        [self.class getfomatDescribeType:self.createGroupInfo.groupType
                              completion:^(NSString *groupTypeStr, NSString *groupTypeDescribeStr) {
                                cell.detailTextLabel.text = groupTypeStr;
                              }];

        return cell;
    } else if (indexPath.section == 2) {
        UITableViewCell *cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"GroupType"];
        cell.backgroundColor = TIMCommonDynamicColor(@"form_bg_color", @"#FFFFFF");
        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
        cell.textLabel.text = TIMCommonLocalizableString(TUIKitCreatGroupAvatar);
        UIImageView *headImage = [[UIImageView alloc] initWithImage:DefaultGroupAvatarImageByGroupType(self.createGroupInfo.groupType)];
        [cell.contentView addSubview:headImage];
        if (TUIConfig.defaultConfig.enableGroupGridAvatar && self.cacheGroupGridAvatarImage) {
            [headImage sd_setImageWithURL:[NSURL URLWithString:self.createGroupInfo.faceURL] placeholderImage:self.cacheGroupGridAvatarImage];
        }
        CGFloat margin = 5;
        [headImage mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.trailing.mas_equalTo(cell.contentView.mas_trailing).mas_offset(- margin);
            make.height.width.mas_equalTo(48);
            make.centerY.mas_equalTo(cell.contentView);
        }];
        return cell;
    }

    return nil;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:NO];

    if (indexPath.section == 1) {
        TUIGroupTypeListController *vc = [[TUIGroupTypeListController alloc] init];
        vc.title = @"";
        [self.navigationController pushViewController:vc animated:YES];
        @weakify(self);
        vc.selectCallBack = ^(NSString *_Nonnull groupType) {
          @strongify(self);
          self.createGroupInfo.groupType = groupType;
          [self updateRectAndTextForDescribeTextView:self.describeTextView];
          [self.tableView reloadData];
        };

    } else if (indexPath.section == 2) {
        [self didTapToChooseAvatar];
    }
}

- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
    [self.view endEditing:YES];
}

#pragma mark - textField
- (void)textFieldDidEndEditing:(UITextField *)textField {
    if (textField == self.groupNameTextField) {
        if (textField.text.length > 10) {
            textField.text = [textField.text substringToIndex:10];
        }
    }
}
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    // Check for total length
    if (textField == self.groupIDTextField) {
        NSUInteger lengthOfString = string.length;
        // Check for total length
        NSUInteger proposedNewLength = textField.text.length - range.length + string.length;
        if (proposedNewLength > 16) {
            return NO;
        }
        return YES;
    }
    return YES;
}

#pragma mark - format
+ (void)getfomatDescribeType:(NSString *)groupType completion:(void (^)(NSString *groupTypeStr, NSString *groupTypeDescribeStr))completion {
    if (!completion) {
        return;
    }
    NSString *desc = @"";
    if ([groupType isEqualToString:@"Work"]) {
        desc = [NSString
            stringWithFormat:@"%@\n%@", TIMCommonLocalizableString(TUIKitCreatGroupType_Work_Desc), TIMCommonLocalizableString(TUIKitCreatGroupType_See_Doc)];
        completion(TIMCommonLocalizableString(TUIKitCreatGroupType_Work), desc);
    } else if ([groupType isEqualToString:@"Public"]) {
        desc = [NSString
            stringWithFormat:@"%@\n%@", TIMCommonLocalizableString(TUIKitCreatGroupType_Public_Desc), TIMCommonLocalizableString(TUIKitCreatGroupType_See_Doc)];
        completion(TIMCommonLocalizableString(TUIKitCreatGroupType_Public), desc);
    } else if ([groupType isEqualToString:@"Meeting"]) {
        desc = [NSString stringWithFormat:@"%@\n%@", TIMCommonLocalizableString(TUIKitCreatGroupType_Meeting_Desc),
                                          TIMCommonLocalizableString(TUIKitCreatGroupType_See_Doc)];
        completion(TIMCommonLocalizableString(TUIKitCreatGroupType_Meeting), desc);
    } else if ([groupType isEqualToString:@"Community"]) {
        desc = [NSString stringWithFormat:@"%@\n%@", TIMCommonLocalizableString(TUIKitCreatGroupType_Community_Desc),
                                          TIMCommonLocalizableString(TUIKitCreatGroupType_See_Doc)];
        completion(TIMCommonLocalizableString(TUIKitCreatGroupType_Community), desc);
    } else {
        completion(groupType, groupType);
    }
}
#pragma mark - action

- (void)didTapToChooseAvatar {
    TUISelectAvatarController *vc = [[TUISelectAvatarController alloc] init];
    vc.selectAvatarType = TUISelectAvatarTypeGroupAvatar;
    vc.createGroupType = self.createGroupInfo.groupType;
    vc.cacheGroupGridAvatarImage = self.cacheGroupGridAvatarImage;
    vc.profilFaceURL = self.createGroupInfo.faceURL;
    [self.navigationController pushViewController:vc animated:YES];
    @weakify(self);
    vc.selectCallBack = ^(NSString *_Nonnull urlStr) {
      if (urlStr.length > 0) {
          @strongify(self);
          self.createGroupInfo.faceURL = urlStr;
      } else {
          self.createGroupInfo.faceURL = nil;
      }
      [self.tableView reloadData];
    };
}
- (void)finishTask {
    self.createGroupInfo.groupName = self.groupNameTextField.text;
    self.createGroupInfo.groupID = self.groupIDTextField.text;

    V2TIMGroupInfo *info = self.createGroupInfo;
    if (!info) {
        return;
    }
    if (!self.createContactArray) {
        return;
    }
    
    BOOL isCommunity = [info.groupType isEqualToString:@"Community"];
    BOOL hasTGSPrefix = [info.groupID hasPrefix:@"@TGS#_"];
    
    if (self.groupIDTextField.text.length > 0 ) {
        if (isCommunity && !hasTGSPrefix) {
            NSString *toastMsg = TIMCommonLocalizableString(TUICommunityCreateTipsMessageRuleError);
            [TUITool makeToast:toastMsg duration:3.0 idposition:TUICSToastPositionBottom];
            return;
        }
        
        if (!isCommunity && hasTGSPrefix) {
            NSString *toastMsg = TIMCommonLocalizableString(TUIGroupCreateTipsMessageRuleError);
            [TUITool makeToast:toastMsg duration:3.0 idposition:TUICSToastPositionBottom];
            return;
        }
    }

    NSMutableArray *members = [NSMutableArray array];
    for (TUICommonContactSelectCellData *item in self.createContactArray) {
        V2TIMCreateGroupMemberInfo *member = [[V2TIMCreateGroupMemberInfo alloc] init];
        member.userID = item.identifier;
        member.role = V2TIM_GROUP_MEMBER_ROLE_MEMBER;
        [members addObject:member];
    }

    NSString *showName = [TUILogin getNickName] ?: [TUILogin getUserID];

    @weakify(self);
    [[V2TIMManager sharedInstance] createGroup:info
        memberList:members
        succ:^(NSString *groupID) {
          @strongify(self);
          NSString *content = TIMCommonLocalizableString(TUIGroupCreateTipsMessage);
          if ([info.groupType isEqualToString:GroupType_Community]) {
              content = TIMCommonLocalizableString(TUICommunityCreateTipsMessage);
          }
          NSDictionary *dic = @{
              @"version" : @(GroupCreate_Version),
              BussinessID : BussinessID_GroupCreate,
              @"opUser" : showName,
              @"content" : content,
              @"cmd" : [info.groupType isEqualToString:GroupType_Community] ? @1 : @0
          };
          NSData *data = [NSJSONSerialization dataWithJSONObject:dic options:NSJSONWritingPrettyPrinted error:nil];
          V2TIMMessage *msg = [[V2TIMManager sharedInstance] createCustomMessage:data];
          [[V2TIMManager sharedInstance] sendMessage:msg
                                            receiver:nil
                                             groupID:groupID
                                            priority:V2TIM_PRIORITY_DEFAULT
                                      onlineUserOnly:NO
                                     offlinePushInfo:nil
                                            progress:nil
                                                succ:nil
                                                fail:nil];
          self.createGroupInfo.groupID = groupID;
          // wait for a second to ensure the group created message arrives first
          dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.15 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            if (self.submitCallback) {
                self.submitCallback(YES, self.createGroupInfo);
            }
          });
        }
        fail:^(int code, NSString *msg) {
          @strongify(self);
          if (code == ERR_SDK_INTERFACE_NOT_SUPPORT) {
              [TUITool postUnsupportNotificationOfService:TIMCommonLocalizableString(TUIKitErrorUnsupportIntefaceCommunity)
                                              serviceDesc:TIMCommonLocalizableString(TUIKitErrorUnsupportIntefaceCommunityDesc)
                                                debugOnly:YES];
          } else {
              NSString *toastMsg = nil;
              toastMsg = [TUITool convertIMError:code msg:msg];
              if (toastMsg.length == 0) {
                  toastMsg = [NSString stringWithFormat:@"%ld", (long)code];
              }
              [TUITool hideToastActivity];
              [TUITool makeToast:toastMsg duration:3.0 idposition:TUICSToastPositionBottom];
          }
          if (self.submitCallback) {
              self.submitCallback(NO, self.createGroupInfo);
          }
        }];
}

@end