//
//  MTCommonListTableViewController.m
//  MTCommonListTable
//
//  Created by ko1o on 2018/8/29.
//  Copyright © 2018年 ko1o. All rights reserved.
//

#import "MTCommonListTableViewController.h"
#import "MTCommonListTableConfig.h"
#import "MTCommonListTableViewCell.h"

@interface MTCommonListTableViewController ()

@property (nonatomic, strong) MTCommonListTableConfig *tableConfig;

@end

@implementation MTCommonListTableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    [self setupCommonListTableViewUI];
}

- (MTCommonListTableConfig *)tableConfigForTableViewContorller {
    NSAssert(NO, @"MTError: 子类需要实现该协议方法！！！");
    return nil;
}

- (void)setupCommonListTableViewUI
{
    self.tableConfig = [self tableConfigForTableViewContorller];
    MTCommonListTableConfig *tableConfig = self.tableConfig;
    self.title = tableConfig.tableTitle;
    if (!self.tableView) {
        self.tableView = [[UITableView alloc] initWithFrame:[[UIScreen mainScreen] bounds] style:tableConfig.tableStyle];
        self.tableView.delegate = self;
        self.tableView.dataSource = self;
        self.view = self.tableView;
    }
    self.tableView.backgroundColor = tableConfig.tableBackgroundColor;
    self.tableView.separatorStyle = tableConfig.separatorStyle;
    self.tableView.contentInset = tableConfig.tableContentInset;
    
    
    if ([[[UIDevice currentDevice] systemVersion] floatValue] <= 11.0) {
        self.tableView.contentInset = UIEdgeInsetsMake(NAVIGATION_BAR_HEIGHT, 0, 0, 0);
    }
}

- (void)reloadData
{
    [self setupCommonListTableViewUI];
    [self.tableView reloadData];
}

#pragma mark - Table view data source

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

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    NSArray *cellConfigs = ((MTCommonListTableSectionConfig *)self.tableConfig.sectionConfigs[section]).cellConfigs;
    return cellConfigs.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[indexPath.section];
    MTCommonListTableCellConfig *cellConfig = sectionConfig.cellConfigs[indexPath.row];
    
    MTCommonListTableViewCell *cell = [MTCommonListTableViewCell cellWithConfig:cellConfig];
    
    return cell;
}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section
{
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[section];
    
    if (sectionConfig.headerView) return sectionConfig.headerView;
    
    UIView *headerView = [[UIView alloc] init];
    headerView.backgroundColor = [UIColor clearColor];
    if (!sectionConfig.headerTitle && !sectionConfig.headerAttributedTitle) return headerView;
    
    UILabel *headerLabel = [[UILabel alloc] init];
    headerLabel.userInteractionEnabled = YES;
    headerLabel.numberOfLines = 0;
    if (sectionConfig.headerAttributedTitle) {
        headerLabel.attributedText = sectionConfig.headerAttributedTitle;
    } else {
        headerLabel.text = sectionConfig.headerTitle;
        headerLabel.textColor = sectionConfig.headerTitleColor;
        headerLabel.font = sectionConfig.headerTitleFont;
    }
    
    CGFloat width = self.view.bounds.size.width - sectionConfig.headerInset.left - sectionConfig.headerInset.right;
    [headerLabel sizeToFit];
    CGFloat height = headerLabel.frame.size.height;
    headerLabel.frame = CGRectMake(sectionConfig.headerInset.left, sectionConfig.headerInset.top, width, height);
    headerView.frame = CGRectMake(0, 0, self.view.bounds.size.width, height+sectionConfig.headerInset.top+sectionConfig.headerInset.bottom);
    [headerView addSubview:headerLabel];
    
    return headerView;
}

- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section
{
    
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[section];
    
    if (sectionConfig.footerView) return sectionConfig.footerView;
    
    UIView *footerView = [[UIView alloc] init];
    footerView.backgroundColor = [UIColor clearColor];
    if (!sectionConfig.footerTitle && !sectionConfig.footerAttributedTitle) return footerView;

    UILabel *footerLabel = [[UILabel alloc] init];
    footerLabel.userInteractionEnabled = YES;
    footerLabel.numberOfLines = 0;
    if (sectionConfig.footerAttributedTitle) {
        footerLabel.attributedText = sectionConfig.footerAttributedTitle;
    } else {
        footerLabel.text = sectionConfig.footerTitle;
        footerLabel.textColor = sectionConfig.footerTitleColor;
        footerLabel.font = sectionConfig.footerTitleFont;
    }
    
    CGFloat width = self.view.bounds.size.width - sectionConfig.footerInset.left - sectionConfig.footerInset.right;
    [footerLabel sizeToFit];
    CGFloat height = footerLabel.frame.size.height;
    footerLabel.frame = CGRectMake(sectionConfig.footerInset.left, sectionConfig.footerInset.top, width, height);
    footerView.frame = CGRectMake(0, 0, self.view.bounds.size.width, footerLabel.frame.size.height +sectionConfig.footerInset.top+sectionConfig.footerInset.bottom);
    [footerView addSubview:footerLabel];
    
    return footerView;
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    id titleForHeader = self.tableConfig.sectionHeaderTitles[section];
    if ([titleForHeader isKindOfClass:[MTNullElement class]]) {
        return nil;
    }
    return titleForHeader;
}

- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section
{
    id titleForFooter = self.tableConfig.sectionFooterTitles[section];
    if ([titleForFooter isKindOfClass:[MTNullElement class]]) {
        return nil;
    }
    return titleForFooter;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[indexPath.section];
    MTCommonListTableCellConfig *cellConfig = sectionConfig.cellConfigs[indexPath.row];
    return cellConfig.height;
}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[section];
    return sectionConfig.headerHeight;
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section
{
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[section];
    return sectionConfig.footerHeight;
}

#pragma mark - Table view delegate
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    MTCommonListTableSectionConfig *sectionConfig = self.tableConfig.sectionConfigs[indexPath.section];
    MTCommonListTableCellConfig *cellConfig = sectionConfig.cellConfigs[indexPath.row];
    
    if (cellConfig.cellAction) {
        cellConfig.cellAction(self, indexPath, cellConfig);
        [tableView deselectRowAtIndexPath:indexPath animated:YES];
        return;
    }
    if (self.tableConfig.cellAction) {
        self.tableConfig.cellAction(self, indexPath, cellConfig);
    }
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
}

@end