//
//  EPMomentViewController.m
//  YuMi
//
//  Created by AI on 2025-10-09.
//  Copyright © 2025 YuMi. All rights reserved.
//

#import "EPMomentViewController.h"
#import "NewMomentCell.h"
#import <Masonry/Masonry.h>
#import "Api+Moments.h"
#import "AccountInfoStorage.h"
#import "MomentsInfoModel.h"
#import <MJExtension/MJExtension.h>

@interface NewMomentViewController () <UITableViewDelegate, UITableViewDataSource>

// MARK: - UI Components

/// 主列表（卡片式布局）
@property (nonatomic, strong) UITableView *tableView;

/// 刷新控件
@property (nonatomic, strong) UIRefreshControl *refreshControl;

/// 发布按钮
@property (nonatomic, strong) UIButton *publishButton;

// MARK: - Data

/// 动态数据源（MomentsInfoModel 数组）
@property (nonatomic, strong) NSMutableArray<MomentsInfoModel *> *dataSource;

/// 当前页码
@property (nonatomic, assign) NSInteger currentPage;

/// 是否正在加载
@property (nonatomic, assign) BOOL isLoading;

@end

@implementation EPMomentViewController

// MARK: - Lifecycle

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.title = @"动态";
    self.view.backgroundColor = [UIColor colorWithRed:0.96 green:0.96 blue:0.96 alpha:1.0]; // 浅灰背景
    
    [self setupUI];
    [self loadData];
    
        NSLog(@"[EPMomentViewController] 页面加载完成");
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    // 隐藏导航栏（如果需要沉浸式体验）
    // [self.navigationController setNavigationBarHidden:YES animated:animated];
}

// MARK: - Setup UI

- (void)setupUI {
    // TableView
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.view);
    }];
    
    // 发布按钮（悬浮在右下角）
    [self.view addSubview:self.publishButton];
    [self.publishButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.right.equalTo(self.view).offset(-20);
        make.bottom.equalTo(self.view).offset(-100); // 避开 TabBar
        make.size.mas_equalTo(CGSizeMake(56, 56));
    }];
    
    NSLog(@"[NewMomentViewController] UI 设置完成");
}

// MARK: - Data Loading

- (void)loadData {
    if (self.isLoading) return;
    
    self.isLoading = YES;
    NSLog(@"[NewMomentViewController] 开始加载数据，页码: %ld", (long)self.currentPage);
    
    // 调用真实 API 加载动态列表
    NSString *page = [NSString stringWithFormat:@"%ld", (long)self.currentPage];
    NSString *pageSize = @"10";
    NSString *types = @"0,2"; // 类型：0=图片，2=文字
    
    [Api momentsRecommendList:^(BaseModel * _Nullable data, NSInteger code, NSString * _Nullable msg) {
        self.isLoading = NO;
        [self.refreshControl endRefreshing];
        
        if (code == 200 && data.data) {
            // 解析数据
            NSArray *list = [MomentsInfoModel mj_objectArrayWithKeyValuesArray:data.data];
            
            if (list.count > 0) {
                [self.dataSource addObjectsFromArray:list];
                self.currentPage++;
                [self.tableView reloadData];
                NSLog(@"[NewMomentViewController] 加载成功，新增 %lu 条动态", (unsigned long)list.count);
            } else {
                NSLog(@"[NewMomentViewController] 没有更多数据");
            }
        } else {
            NSLog(@"[NewMomentViewController] 加载失败: code=%ld, msg=%@", (long)code, msg);
            // 如果 API 失败，显示提示
            if (self.dataSource.count == 0) {
                // 首次加载失败，显示空状态
                [self showAlertWithMessage:msg ?: @"加载失败"];
            }
        }
    } page:page pageSize:pageSize types:types];
}

- (void)onRefresh {
    self.currentPage = 0;
    [self.dataSource removeAllObjects];
    [self loadData];
}

// MARK: - Actions

- (void)onPublishButtonTapped {
    NSLog(@"[NewMomentViewController] 发布按钮点击");
    // TODO: 跳转到发布页面
    [self showAlertWithMessage:@"发布功能开发中"];
}

- (void)showAlertWithMessage:(NSString *)message {
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示"
                                                                   message:message
                                                            preferredStyle:UIAlertControllerStyleAlert];
    [alert addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil]];
    [self presentViewController:alert animated:YES completion:nil];
}

// MARK: - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.dataSource.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    NewMomentCell *cell = [tableView dequeueReusableCellWithIdentifier:@"NewMomentCell" forIndexPath:indexPath];
    
    if (indexPath.row < self.dataSource.count) {
        MomentsInfoModel *model = self.dataSource[indexPath.row];
        [cell configureWithModel:model];
    }
    
    return cell;
}

// MARK: - UITableViewDelegate

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
    
    NSLog(@"[NewMomentViewController] 点击动态: %ld", (long)indexPath.row);
    // TODO: 跳转到详情页
    [self showAlertWithMessage:[NSString stringWithFormat:@"点击了第 %ld 条动态", (long)indexPath.row]];
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return UITableViewAutomaticDimension;
}

- (CGFloat)tableView:(UITableView *)tableView estimatedHeightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 200;
}

// 滚动到底部时加载更多
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    CGFloat offsetY = scrollView.contentOffset.y;
    CGFloat contentHeight = scrollView.contentSize.height;
    CGFloat screenHeight = scrollView.frame.size.height;
    
    if (offsetY > contentHeight - screenHeight - 100 && !self.isLoading) {
        [self loadData];
    }
}

// MARK: - Lazy Loading

- (UITableView *)tableView {
    if (!_tableView) {
        _tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.delegate = self;
        _tableView.dataSource = self;
        _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
        _tableView.backgroundColor = self.view.backgroundColor;
        _tableView.estimatedRowHeight = 200;
        _tableView.rowHeight = UITableViewAutomaticDimension;
        _tableView.showsVerticalScrollIndicator = NO;
        _tableView.contentInset = UIEdgeInsetsMake(10, 0, 10, 0);
        
        // 注册 Cell
        [_tableView registerClass:[NewMomentCell class] forCellReuseIdentifier:@"NewMomentCell"];
        
        // 添加下拉刷新
        _tableView.refreshControl = self.refreshControl;
    }
    return _tableView;
}

- (UIRefreshControl *)refreshControl {
    if (!_refreshControl) {
        _refreshControl = [[UIRefreshControl alloc] init];
        [_refreshControl addTarget:self action:@selector(onRefresh) forControlEvents:UIControlEventValueChanged];
    }
    return _refreshControl;
}

- (UIButton *)publishButton {
    if (!_publishButton) {
        _publishButton = [UIButton buttonWithType:UIButtonTypeCustom];
        _publishButton.backgroundColor = [UIColor colorWithRed:0.2 green:0.6 blue:0.86 alpha:1.0]; // 主色调
        _publishButton.layer.cornerRadius = 28;
        _publishButton.layer.shadowColor = [UIColor blackColor].CGColor;
        _publishButton.layer.shadowOffset = CGSizeMake(0, 2);
        _publishButton.layer.shadowOpacity = 0.3;
        _publishButton.layer.shadowRadius = 4;
        
        // 设置图标（暂时使用文字）
        [_publishButton setTitle:@"+" forState:UIControlStateNormal];
        _publishButton.titleLabel.font = [UIFont systemFontOfSize:32 weight:UIFontWeightLight];
        [_publishButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
        
        [_publishButton addTarget:self action:@selector(onPublishButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    }
    return _publishButton;
}

- (NSMutableArray *)dataSource {
    if (!_dataSource) {
        _dataSource = [NSMutableArray array];
    }
    return _dataSource;
}

@end