//
//  RQCommonViewController.m
//  RQCommon
//
//  Created by 张嵘 on 2018/11/27.
//  Copyright © 2018 张嵘. All rights reserved.
//

#import "RQCommonViewController.h"
#import "RQCommonHeaderView.h"
#import "RQCommonFooterView.h"
#import "RQCommonCell.h"


@interface RQCommonViewController ()
/// viewModel
@property (nonatomic, readwrite, strong) RQCommonViewModel *viewModel;
@end

@implementation RQCommonViewController
@dynamic viewModel;
- (void)viewDidLoad {
	[super viewDidLoad];
}

#pragma mark - Override
- (void)bindViewModel{
	[super bindViewModel];
}

- (UIEdgeInsets)contentInset{
	return UIEdgeInsetsMake((RQ_APPLICATION_NAV_BAR_HEIGHT + RQ_APPLICATION_STATUS_BAR_HEIGHT) , 0, 0, 0);
}

- (void)configureCell:(RQCommonCell *)cell atIndexPath:(NSIndexPath *)indexPath withObject:(id)object{
	[cell bindViewModel:object];
}

- (UITableViewCell *)tableView:(UITableView *)tableView dequeueReusableCellWithIdentifier:(NSString *)identifier forIndexPath:(NSIndexPath *)indexPath{
	return [RQCommonCell cellWithTableView:tableView];
}

#pragma mark - UITableViewDelegate & UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView{
	return self.viewModel.dataSource.count;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
	RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[section];
	return groupViewModel.itemViewModels.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
	/// fetch cell
	RQCommonCell *cell = (RQCommonCell *)[self tableView:tableView dequeueReusableCellWithIdentifier:@"UITableViewCell" forIndexPath:indexPath];
	RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[indexPath.section];
	id object = groupViewModel.itemViewModels[indexPath.row];
	/// bind model
	[self configureCell:cell atIndexPath:indexPath withObject:(id)object];
	[cell setIndexPath:indexPath rowsInSection:groupViewModel.itemViewModels.count];
	return cell;
}

- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section{
	RQCommonFooterView *footerView = [RQCommonFooterView footerViewWithTableView:tableView];
	RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[section];
	[footerView bindViewModel:groupViewModel];
	return footerView;
}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section{
	RQCommonHeaderView *headerView = [RQCommonHeaderView headerViewWithTableView:tableView];
	RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[section];
	[headerView bindViewModel:groupViewModel];
	return headerView;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
	RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[indexPath.section];
	RQCommonItemViewModel *itemViewModel = groupViewModel.itemViewModels[indexPath.row];
	return itemViewModel.rowHeight;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section{
    RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[section];
    if (groupViewModel.groupModel) {
        return groupViewModel.groupModel.headerHeight;
    } else {
        return groupViewModel.headerHeight;
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section{
    RQCommonGroupViewModel *groupViewModel = self.viewModel.dataSource[section];
    if (groupViewModel.groupModel) {
        return groupViewModel.groupModel.footerHeight;
    } else {
        return groupViewModel.footerHeight;
    }
}
@end