//
//  FKWantBuyController.m
//  FirstLink
//
//  Created by 施昌鹏 on 16/8/17.
//  Copyright © 2016年 FirstLink. All rights reserved.
//

#import "FKWantBuyController.h"
#import "FKLinkView.h"
#import "FKWantBuyFooterView.h"
#import "FKUpdateCell.h"
#import "FKWantBuyRequest.h"
#import "FKWantBuyViewModel.h"
#import "FKWantBuyReform.h"
#import "FKWantBuyItem.h"
#import "FKWantBuyProductCell.h"
#import "FKProDetailController.h"

#import "FKWantBuyEmptyView.h"
#import "FKPushSettingViewModel.h"

static NSString *UP_DATE_CELL_IDENTIFIER = @"UP_DATE_CELL_IDENTIFIER";
static NSString *WANT_BUY_FOOTER_VIEW_IDENTIFIER = @"WANT_BUY_FOOTER_VIEW_IDENTIFIER";
static NSString *WANT_BUY_PRODUCT_CELL_IDENTIFIER = @"WANT_BUY_PRODUCT_CELL_IDENTIFIER";


@interface FKWantBuyController ()<UITableViewDelegate,UITableViewDataSource,FLNetworkDelegate,UITextFieldDelegate>

@property (nonatomic, strong) FKLinkView *linkView;
@property (nonatomic, strong) FKWantBuyEmptyView *emptyView;
@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) FKWantBuyViewModel *viewModel;

@end

@implementation FKWantBuyController

- (void)loadView {
    [super loadView];
    
    [self.view addSubview:self.linkView];
    [self.linkView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.left.right.equalTo(self.view);
        make.height.mas_equalTo(55);
    }];
    
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.linkView.mas_bottom);
        make.left.right.bottom.equalTo(self.view);
    }];
    
    [self.view addSubview:self.emptyView];
    [self.emptyView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.view);
    }];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.navigationItem.title = @"我要买";
    self.view.backgroundColor = [UIColor whiteColor];
    
    [self addRefreshControl];
    [self checkPasteboardOfProductLink];
    
    self.linkView.hidden = YES;
    self.tableView.hidden = YES;
    self.emptyView.hidden = YES;
}

-(void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    self.navigationController.navigationBarHidden = NO;
    
    [self.hudView show:YES];
    [self reqDetailWithStartRow:0 identify:REQ_WANT_BUY_DETAIL_IDENTIFY];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(checkPasteboardOfProductLink) name:UIApplicationDidBecomeActiveNotification object:nil];
}

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
    
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma mark - Request

- (void)addRefreshControl{
    [self initRefreshControlWithTableView:self.tableView];
}

- (void)finishLoadingData {
    if (self.refreshControl.refreshingDirection==RefreshingDirectionTop) {
        [self.refreshControl finishRefreshingDirection:RefreshDirectionTop];
    } else if (self.refreshControl.refreshingDirection==RefreshingDirectionBottom) {
        [self.refreshControl finishRefreshingDirection:RefreshDirectionBottom];
    }
}

- (void)reqDetailWithStartRow:(NSInteger)startRow identify:(int)indentify{
    self.refreshControl.bottomEnabled = (startRow == 0);
    [FKWantBuyRequest reqWantBuyDetailWithStartRow:startRow identify:indentify delegate:self];
}

- (void)refreshControl:(FKRefreshControl *)refreshControl didEngageRefreshDirection:(RefreshDirection)direction {
    if (direction==RefreshDirectionTop) {
        [self reqDetailWithStartRow:0 identify:REQ_WANT_BUY_DETAIL_IDENTIFY];
    } else if (direction==RefreshDirectionBottom) {
        [self reqDetailWithStartRow:self.viewModel.dataArray.count identify:REQ_WANT_BUY_NEXT_PAGE];
    }
}

#pragma mark - Response

-(void)networkDidSuccessResponse:(NSDictionary *)response identify:(int)identify header:(MSGHeader *)header userInfo:(NSDictionary *)userInfo {
    [self finishLoadingData];
    [self.hudView hide:NO];
    
    if (header.code.intValue == RESPONSE_MSG_NORMAL) {
        if (identify == REQ_WANT_BUY_DETAIL_IDENTIFY) {
            self.viewModel.dataArray = [FKWantBuyReform parserWantBuyDetailWithDict:response];
        } else if (identify == REQ_WANT_BUY_NEXT_PAGE) {
            NSArray *array = [FKWantBuyReform parserWantBuyDetailWithDict:response];
            [self.viewModel.dataArray addObjectsFromArray:array];
            
            self.refreshControl.bottomEnabled = (array.count > 0);
        } else if (identify == REQ_WANT_BUY_RETURN_DATA) {
            [self reqDetailWithStartRow:0 identify:REQ_WANT_BUY_DETAIL_IDENTIFY];
            self.linkView.textField.text = nil;
            self.emptyView.textField.text = nil;
            
            [self showWantBuyResultWith:[FKWantBuyReform parseStatus:response targetURL:userInfo[@"url"]]];
        } else if (identify == REQ_WANT_BUY_DELETE_DATA) {
            [self reqDetailWithStartRow:0 identify:REQ_WANT_BUY_DETAIL_IDENTIFY];
        }
        [self.tableView reloadData];
        
        if (self.viewModel.dataArray.count > 0) {
            self.linkView.hidden = NO;
            self.tableView.hidden = NO;
            self.emptyView.hidden = YES;
        } else {
            self.linkView.hidden = YES;
            self.tableView.hidden = YES;
            self.emptyView.hidden = NO;
        }
    } else {
        [FLProgressHUDHelper showText:header.msg inView:self.view];
    }
}

-(void)networkDidReceiveError:(NSError *)error identify:(int)identify header:(MSGHeader *)header {
    [self.hudView hide:YES];
    [self finishLoadingData];
    [FLProgressHUDHelper showText:header.msg inView:self.view];
}

#pragma mark - UITableViewDataSource

-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return self.viewModel.dataArray.count;
}

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

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    FKWantBuyItem *item = [[FKWantBuyItem alloc] init];
    item = self.viewModel.dataArray[indexPath.section];
    if (item.product && [item getCatchState] == FKCatchSuccess) {
        FKWantBuyProductCell *cell = [tableView dequeueReusableCellWithIdentifier:WANT_BUY_PRODUCT_CELL_IDENTIFIER];
        [cell configWithViewModel:self.viewModel index:indexPath];
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
        return cell;
    } else {
        FKUpdateCell *cell = [tableView dequeueReusableCellWithIdentifier:UP_DATE_CELL_IDENTIFIER];
        [cell configWithViewModel:self.viewModel index:indexPath];
        cell.selectionStyle = UITableViewCellSelectionStyleNone;
        return cell;
    }
}

-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section {
    FKWantBuyFooterView *footerView = [tableView dequeueReusableHeaderFooterViewWithIdentifier:WANT_BUY_FOOTER_VIEW_IDENTIFIER];
    return footerView;
}

#pragma mark - UITableViewDelegate

-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    FKWantBuyItem *item = [[FKWantBuyItem alloc] init];
    item = self.viewModel.dataArray[indexPath.section];
    if (item.product) {
        return 168.5;
    }else{
        return 131;
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
    return CGFLOAT_MIN;
}

-(CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
    return 10;
}

-(void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    editingStyle = UITableViewCellEditingStyleDelete;
}

-(NSArray *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath  {
    UITableViewRowAction *deleteRowAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDestructive title:@"删除"handler:^(UITableViewRowAction * _Nonnull action, NSIndexPath * _Nonnull indexPath) {
        FKWantBuyItem *item = self.viewModel.dataArray[indexPath.section];
        [FKWantBuyRequest reqWantBuyDeleteWithUrl:item.proUrl identify:REQ_WANT_BUY_DELETE_DATA delegate:self];
        [self.hudView show:YES];
        }];
    return @[deleteRowAction];
}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    FKWantBuyItem *item = self.viewModel.dataArray[indexPath.section];
    if (item.product.proId && [item getCatchState] == FKCatchSuccess) {
        FKProDetailController *proDetailController = [[FKProDetailController alloc] initWithProductID: item.product.proId];
        [self.navigationController pushViewController:proDetailController animated:YES];
        
        [[FKPageRouterUtil sharedInstance] pushPageRefer:PRPageWantBuy
                                                  itemID:item.product.proId
                                                   value:item.product.proTitle];
    }
}

#pragma mark - UITextFieldDelegate

-(BOOL)textFieldShouldReturn:(UITextField *)textField {
    if (textField.text) {
        [FKWantBuyRequest reqWantBuyWithUrl:textField.text identify:REQ_WANT_BUY_RETURN_DATA delegate:self userInfo:@{@"url": textField.text}];
    }
    [self.view endEditing:YES];
    return YES;
}

#pragma mark - Action

- (IBAction)clickBuyButtonAction:(id)sender {
    NSString *url = self.emptyView.textField.text;
    if (url.length > 0) {
        [self.hudView show:YES];
        [FKWantBuyRequest reqWantBuyWithUrl:url identify:REQ_WANT_BUY_RETURN_DATA delegate:self userInfo:@{@"url": url}];
    }
}

#pragma mark - Method

-(void)checkPasteboardOfProductLink {
    NSString *paste = [UIPasteboard generalPasteboard].string;
    if (paste && [paste hasPrefix:@"http"]) {
        [self showWantBuyAlert:paste];
        [UIPasteboard generalPasteboard].string = @"";
    };
}

- (void)showWantBuyAlert:(NSString *)url {
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"检测到您有以下链接，是否同步？" message:url preferredStyle:UIAlertControllerStyleAlert];
    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
    UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:@"我要买" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
        [FKWantBuyRequest reqWantBuyWithUrl:url identify:REQ_WANT_BUY_RETURN_DATA delegate:self userInfo:@{@"url": url}];
        [self.hudView show:YES];
    }];
    
    [alert addAction:cancelAction];
    [alert addAction:defaultAction];
    [self presentViewController:alert animated:YES completion:nil];
}

- (void)showWantBuyResultWith:(NSString *)status {
    if ([status isEqualToString:@"0"] || [status isEqualToString:@"1"]) {
        UIAlertController *alert = [UIAlertController alertControllerWithTitle:nil message:@"系统正在为您抓取商品，成功后我们将以推送形式通知到您。" preferredStyle:UIAlertControllerStyleAlert];
        if ([FKPushSettingViewModel isPushEnable]) {
            UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"好" style:UIAlertActionStyleCancel handler:nil];
            [alert addAction:cancelAction];
        } else {
            UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"暂不" style:UIAlertActionStyleCancel handler:nil];
            [alert addAction:cancelAction];
            
            UIAlertAction *defaultAction = [UIAlertAction actionWithTitle:@"开启通知" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
                NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
                [[UIApplication sharedApplication] openURL:url];
            }];
            [alert addAction:defaultAction];
        }
        [self presentViewController:alert animated:YES completion:nil];
    }
}

#pragma mark - Property

-(FKWantBuyEmptyView *)emptyView {
    if (!_emptyView) {
        _emptyView = [[FKWantBuyEmptyView alloc] init];
        _emptyView.textField.delegate = self;
        [_emptyView.buyButton addTarget:self action:@selector(clickBuyButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _emptyView;
}

-(FKLinkView *)linkView {
    if (_linkView == nil) {
        _linkView = [[FKLinkView alloc] init];
        _linkView.textField.delegate = self;
    }
    return _linkView;
}

-(UITableView *)tableView {
    if (_tableView == nil) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleGrouped];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        _tableView.backgroundColor = [UIColor whiteColor];
        
        [_tableView registerClass:[FKUpdateCell class] forCellReuseIdentifier:UP_DATE_CELL_IDENTIFIER];
        [_tableView registerClass:[FKWantBuyProductCell class] forCellReuseIdentifier:WANT_BUY_PRODUCT_CELL_IDENTIFIER];
        [_tableView registerClass:[FKWantBuyFooterView class] forHeaderFooterViewReuseIdentifier:WANT_BUY_FOOTER_VIEW_IDENTIFIER];
    }
    return _tableView;
}

-(FKWantBuyViewModel *)viewModel {
    if (_viewModel == nil) {
        _viewModel = [[FKWantBuyViewModel alloc] init];
    }
    return _viewModel;
}

@end