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

#import "EPMineViewController.h"
#import "EPMineHeaderView.h"
#import "EPMomentCell.h"
#import <Masonry/Masonry.h>
#import "Api+Moments.h"
#import "AccountInfoStorage.h"
#import "UserInfoModel.h"
#import "MomentsInfoModel.h"
#import <MJExtension/MJExtension.h>

@interface EPMineViewController () <UITableViewDelegate, UITableViewDataSource>

// MARK: - UI Components

/// 主列表（显示用户动态）
@property (nonatomic, strong) UITableView *tableView;

/// 顶部个人信息卡片
@property (nonatomic, strong) EPMineHeaderView *headerView;

// MARK: - Data

/// 用户动态数据源
@property (nonatomic, strong) NSMutableArray<MomentsInfoModel *> *momentsData;

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

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

/// 用户信息模型
@property (nonatomic, strong) UserInfoModel *userInfo;

@end

@implementation EPMineViewController

// MARK: - Lifecycle

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.momentsData = [NSMutableArray array];
    self.currentPage = 1;
    self.isLoading = NO;
    
    [self setupUI];
    [self loadUserInfo];
    [self loadUserMoments];
    
    NSLog(@"[EPMineViewController] 个人主页加载完成");
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    // 注意：当前 ViewController 没有包装在 NavigationController 中
    // 如果未来需要导航栏，应该在 TabBarController 中包装 UINavigationController
}

// MARK: - Setup

- (void)setupGradientBackground {
    CAGradientLayer *gradientLayer = [CAGradientLayer layer];
    gradientLayer.frame = self.view.bounds;
    gradientLayer.colors = @[
        (id)[UIColor colorWithRed:0.3 green:0.2 blue:0.6 alpha:1.0].CGColor, // 深紫 #4C3399
        (id)[UIColor colorWithRed:0.2 green:0.3 blue:0.8 alpha:1.0].CGColor  // 蓝 #3366CC
    ];
    gradientLayer.startPoint = CGPointMake(0, 0);
    gradientLayer.endPoint = CGPointMake(1, 1);
    [self.view.layer insertSublayer:gradientLayer atIndex:0];
}

- (void)setupUI {
    // 先设置纯色背景作为兜底，避免白色闪烁
    self.view.backgroundColor = [UIColor colorWithRed:0.95 green:0.95 blue:0.97 alpha:1.0];
    
    UIImageView *bgImageView = [[UIImageView alloc] initWithImage:kImage(@"vc_bg")];
    bgImageView.contentMode = UIViewContentModeScaleAspectFill;
    bgImageView.clipsToBounds = YES;
    [self.view addSubview:bgImageView];
    [bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.mas_equalTo(self.view);
    }];
    
    [self setupHeaderView];
    [self setupTableView];
    
    NSLog(@"[EPMineViewController] UI 设置完成");
}

- (void)setupHeaderView {
    self.headerView = [[EPMineHeaderView alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 300)];
    
    [self.view addSubview:self.headerView];
    
    [self.headerView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop).offset(20);
        make.left.right.equalTo(self.view);
        make.height.equalTo(@300);
    }];
}

- (void)setupTableView {
    self.tableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
    self.tableView.delegate = self;
    self.tableView.dataSource = self;
    self.tableView.backgroundColor = [UIColor clearColor];
    self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    self.tableView.showsVerticalScrollIndicator = NO;
    
    // 注册动态 cell（复用 EPMomentCell）
    [self.tableView registerClass:[EPMomentCell class] forCellReuseIdentifier:@"EPMomentCell"];
    
    [self.view addSubview:self.tableView];
    
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.headerView.mas_bottom).offset(10);
        make.left.right.equalTo(self.view);
        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom);
    }];
    
    // 添加下拉刷新
    UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
    [refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];
    self.tableView.refreshControl = refreshControl;
}

// MARK: - Data Loading

- (void)loadUserInfo {
    NSString *uid = [[AccountInfoStorage instance] getUid];
    if (!uid.length) {
        NSLog(@"[EPMineViewController] 未登录，无法获取用户信息");
        return;
    }
    
    // 调用真实 API 获取用户信息
    [Api getUserInfo:^(BaseModel * _Nullable data, NSInteger code, NSString * _Nullable msg) {
        if (code == 200 && data.data) {
            self.userInfo = [UserInfoModel mj_objectWithKeyValues:data.data];
            
            // 更新头部视图
            NSDictionary *userInfoDict = @{
                @"nickname": self.userInfo.nick ?: @"未设置昵称",
                @"avatar": self.userInfo.avatar ?: @"",
                @"uid": self.userInfo.uid > 0 ? @(self.userInfo.uid).stringValue : @"",
                @"followers": @(self.userInfo.fansNum),
                @"following": @(self.userInfo.followNum),
            };
            
            [self.headerView updateWithUserInfo:userInfoDict];
            NSLog(@"[EPMineViewController] 用户信息加载成功: %@", self.userInfo.nick);
        } else {
            NSLog(@"[EPMineViewController] 用户信息加载失败: %@", msg);
        }
    } uid:uid];
}

- (void)refreshUserInfo {
    [self loadUserInfo];
}

- (void)loadUserMoments {
    if (self.isLoading) return;
    
    NSString *uid = [[AccountInfoStorage instance] getUid];
    if (!uid.length) {
        NSLog(@"[EPMineViewController] 未登录，无法获取用户动态");
        return;
    }
    
    self.isLoading = YES;
    NSString *page = [NSString stringWithFormat:@"%ld", (long)self.currentPage];
    
    // 调用获取用户动态的 API（这里先用通用的动态列表 API）
    [Api momentsRecommendList:^(BaseModel * _Nullable data, NSInteger code, NSString * _Nullable msg) {
        self.isLoading = NO;
        [self.refreshControl endRefreshing];
        
        if (code == 200 && data.data) {
            NSArray *list = [MomentsInfoModel mj_objectArrayWithKeyValuesArray:data.data];
            if (list.count > 0) {
                [self.momentsData addObjectsFromArray:list];
                self.currentPage++;
                [self.tableView reloadData];
                NSLog(@"[EPMineViewController] 用户动态加载成功，新增 %lu 条", (unsigned long)list.count);
            }
        } else {
            NSLog(@"[EPMineViewController] 用户动态加载失败: %@", msg);
        }
    } page:page pageSize:@"10" types:@"0,2"];
}

- (void)refreshData {
    self.currentPage = 1;
    [self.momentsData removeAllObjects];
    
    // 手动下拉刷新时才更新用户信息
    [self loadUserInfo];
    [self loadUserMoments];
}

// MARK: - UITableView DataSource

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

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    EPMomentCell *cell = [tableView dequeueReusableCellWithIdentifier:@"EPMomentCell" forIndexPath:indexPath];
    cell.backgroundColor = [UIColor clearColor];
    
    if (indexPath.row < self.momentsData.count) {
        [cell configureWithModel:self.momentsData[indexPath.row]];
    }
    
    return cell;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 200; // 根据实际内容调整
}

// MARK: - UITableView Delegate

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
    // 滚动到底部自动加载更多
    if (indexPath.row == self.momentsData.count - 1 && !self.isLoading) {
        [self loadUserMoments];
    }
}

// MARK: - Lazy Loading

- (EPMineHeaderView *)headerView {
    if (!_headerView) {
        _headerView = [[EPMineHeaderView alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 300)];
    }
    return _headerView;
}

- (UIRefreshControl *)refreshControl {
    return self.tableView.refreshControl;
}

@end