#!/usr/bin/env python3
"""
城市手册 - 命令行接口工具

用法:
    python cli.py <命令> [参数]

示例:
    python cli.py login admin Admin123!
    python cli.py provinces
    python cli.py article list
    python cli.py article create "标题" "内容" 1
    python cli.py audit article "标题" "内容"
"""

import os
import sys
import json
import urllib.request
import urllib.error

# Django 设置
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings.prod')

import django
django.setup()

from django.contrib.auth import get_user_model
from rest_framework_simplejwt.tokens import RefreshToken

# 配置
BASE_URL = 'http://localhost:8000'
ACCESS_TOKEN = None


def get_token(username='admin'):
    """获取 JWT Token"""
    User = get_user_model()
    user = User.objects.filter(username=username).first()
    if not user:
        print(f'❌ 用户 {username} 不存在')
        return None
    
    refresh = RefreshToken.for_user(user)
    return str(refresh.access_token)


def api_request(endpoint, method='GET', data=None, token=None):
    """发送 API 请求"""
    url = f'{BASE_URL}{endpoint}'
    headers = {'Content-Type': 'application/json'}
    
    if token:
        headers['Authorization'] = f'Bearer {token}'
    
    if data:
        data = json.dumps(data, ensure_ascii=False).encode('utf-8')
    
    req = urllib.request.Request(url, data=data, headers=headers, method=method)
    
    try:
        with urllib.request.urlopen(req, timeout=10) as response:
            return json.loads(response.read().decode())
    except urllib.error.HTTPError as e:
        error_body = e.read().decode()
        try:
            error_data = json.loads(error_body)
            return {'error': e.code, 'message': error_data}
        except:
            return {'error': e.code, 'message': error_body}
    except Exception as e:
        return {'error': 'network', 'message': str(e)}


def cmd_login(username, password):
    """登录获取 Token"""
    result = api_request('/api/auth/login/', 'POST', {
        'username': username,
        'password': password
    })
    
    if 'access' in result:
        print(f'✅ 登录成功')
        print(f'Token: {result["access"][:50]}...')
        return result['access']
    else:
        print(f'❌ 登录失败：{result}')
        return None


def cmd_provinces():
    """获取所有省份"""
    result = api_request('/api/regions/provinces/')
    
    if isinstance(result, list):
        print(f'✅ 共 {len(result)} 个省份:')
        for i, p in enumerate(result, 1):
            print(f'  {i}. {p["name"]} (ID: {p["id"]})')
        return result
    else:
        print(f'❌ 获取失败：{result}')
        return None


def cmd_region_detail(region_id):
    """获取省份详情"""
    result = api_request(f'/api/regions/{region_id}/')
    
    if isinstance(result, dict) and 'id' in result:
        print(f'✅ 省份信息:')
        print(f'  名称：{result.get("name")}')
        print(f'  级别：{result.get("level")}')
        print(f'  状态：{result.get("status")}')
        return result
    else:
        print(f'❌ 获取失败：{result}')
        return None


def cmd_article_list(limit=10):
    """获取文章列表"""
    token = get_token()
    result = api_request(f'/api/articles/?limit={limit}', token=token)
    
    if isinstance(result, dict) and 'results' in result:
        articles = result['results']
        print(f'✅ 共 {result.get("count", 0)} 篇文章:')
        for i, a in enumerate(articles, 1):
            print(f'  {i}. [{a.get("id")}] {a.get("title")} - {a.get("publish_status")}')
        return result
    else:
        print(f'❌ 获取失败：{result}')
        return None


def cmd_article_create(title, content, region_id, article_type='basic'):
    """创建文章"""
    token = get_token()
    if not token:
        return None
    
    result = api_request('/api/articles/', 'POST', {
        'title': title,
        'content': content,
        'region': region_id,
        'article_type': article_type
    }, token=token)
    
    if 'id' in result:
        print(f'✅ 文章创建成功 (ID: {result["id"]})')
        print(f'  标题：{result.get("title")}')
        print(f'  状态：{result.get("publish_status")}')
        return result
    else:
        print(f'❌ 创建失败：{result}')
        return None


def cmd_article_submit(article_id):
    """提交文章审核"""
    token = get_token()
    if not token:
        return None
    
    result = api_request(f'/api/articles/{article_id}/submit/', 'POST', {}, token=token)
    
    if 'id' in result:
        print(f'✅ 文章已提交审核 (ID: {article_id})')
        print(f'  版主审核状态：{result.get("moderator_status")}')
        print(f'  AI 审核状态：{result.get("ai_status")}')
        return result
    else:
        print(f'❌ 提交失败：{result}')
        return None


def cmd_audit_article(title, content):
    """AI 审核文章"""
    token = get_token()
    if not token:
        return None
    
    result = api_request('/api/audit/article/', 'POST', {
        'title': title,
        'content': content
    }, token=token)
    
    status = '✅ 通过' if result.get('approved') else '❌ 拒绝'
    print(f'AI 审核结果：{status}')
    print(f'  原因：{result.get("reason")}')
    if 'details' in result:
        print(f'  详情：{json.dumps(result["details"], ensure_ascii=False, indent=2)}')
    return result


def cmd_audit_comment(content):
    """AI 审核评论"""
    token = get_token()
    if not token:
        return None
    
    result = api_request('/api/audit/comment/', 'POST', {
        'content': content
    }, token=token)
    
    status = '✅ 通过' if result.get('approved') else '❌ 拒绝'
    print(f'AI 审核结果：{status}')
    print(f'  原因：{result.get("reason")}')
    return result


def cmd_audit_service(name, description):
    """AI 审核服务"""
    token = get_token()
    if not token:
        return None
    
    result = api_request('/api/audit/service/', 'POST', {
        'name': name,
        'description': description
    }, token=token)
    
    status = '✅ 通过' if result.get('approved') else '❌ 拒绝'
    print(f'AI 审核结果：{status}')
    print(f'  原因：{result.get("reason")}')
    return result


def cmd_audit_status():
    """AI 审核服务状态"""
    token = get_token()
    result = api_request('/api/audit/status/', token=token)
    
    if 'status' in result:
        print(f'✅ AI 审核服务状态：{result["status"]}')
        print(f'  版本：{result.get("version")}')
        print(f'  功能：{", ".join(result.get("features", []))}')
        return result
    else:
        print(f'❌ 获取失败：{result}')
        return None


def cmd_service_list(limit=10):
    """获取服务列表"""
    token = get_token()
    result = api_request(f'/api/services/?limit={limit}', token=token)
    
    if isinstance(result, dict) and 'results' in result:
        services = result['results']
        print(f'✅ 共 {result.get("count", 0)} 个服务:')
        for i, s in enumerate(services, 1):
            print(f'  {i}. [{s.get("id")}] {s.get("name")} - {s.get("category")}')
        return result
    else:
        print(f'❌ 获取失败：{result}')
        return None


def cmd_service_create(name, description, region_id, category='food'):
    """创建特色服务"""
    token = get_token()
    if not token:
        return None
    
    result = api_request('/api/services/', 'POST', {
        'name': name,
        'description': description,
        'region': region_id,
        'category': category
    }, token=token)
    
    if 'id' in result:
        print(f'✅ 服务创建成功 (ID: {result["id"]})')
        print(f'  名称：{result.get("name")}')
        print(f'  分类：{result.get("category")}')
        return result
    else:
        print(f'❌ 创建失败：{result}')
        return None


def cmd_help():
    """显示帮助信息"""
    help_text = """
城市手册 - 命令行接口

用法：python cli.py <命令> [参数]

认证命令:
  login <用户名> <密码>           登录获取 Token

省份命令:
  provinces                       获取所有省份
  region <ID>                     获取省份详情

文章命令:
  article list [limit]            获取文章列表
  article create <标题> <内容> <省份 ID> [类型]
                                  创建文章
  article submit <ID>             提交文章审核

服务命令:
  service list [limit]            获取服务列表
  service create <名称> <描述> <省份 ID> [分类]
                                  创建服务

AI 审核命令:
  audit article <标题> <内容>      AI 审核文章
  audit comment <内容>             AI 审核评论
  audit service <名称> <描述>      AI 审核服务
  audit status                    AI 审核服务状态

示例:
  python cli.py login admin Admin123!
  python cli.py provinces
  python cli.py article create "北京攻略" "北京是首都..." 1
  python cli.py audit article "测试" "包含暴力内容"
  python cli.py audit status
"""
    print(help_text)


def main():
    if len(sys.argv) < 2:
        cmd_help()
        return
    
    command = sys.argv[1]
    
    # 登录命令
    if command == 'login':
        if len(sys.argv) < 4:
            print('用法：python cli.py login <用户名> <密码>')
            return
        cmd_login(sys.argv[2], sys.argv[3])
    
    # 省份命令
    elif command == 'provinces':
        cmd_provinces()
    
    elif command == 'region':
        if len(sys.argv) < 3:
            print('用法：python cli.py region <ID>')
            return
        cmd_region_detail(sys.argv[2])
    
    # 文章命令
    elif command == 'article':
        if len(sys.argv) < 3:
            print('用法：python cli.py article <list|create|submit> [参数]')
            return
        
        subcommand = sys.argv[2]
        if subcommand == 'list':
            limit = sys.argv[3] if len(sys.argv) > 3 else 10
            cmd_article_list(limit)
        elif subcommand == 'create':
            if len(sys.argv) < 6:
                print('用法：python cli.py article create <标题> <内容> <省份 ID> [类型]')
                return
            cmd_article_create(sys.argv[3], sys.argv[4], sys.argv[5], 
                             sys.argv[6] if len(sys.argv) > 6 else 'basic')
        elif subcommand == 'submit':
            if len(sys.argv) < 4:
                print('用法：python cli.py article submit <ID>')
                return
            cmd_article_submit(sys.argv[3])
    
    # 服务命令
    elif command == 'service':
        if len(sys.argv) < 3:
            print('用法：python cli.py service <list|create> [参数]')
            return
        
        subcommand = sys.argv[2]
        if subcommand == 'list':
            limit = sys.argv[3] if len(sys.argv) > 3 else 10
            cmd_service_list(limit)
        elif subcommand == 'create':
            if len(sys.argv) < 6:
                print('用法：python cli.py service create <名称> <描述> <省份 ID> [分类]')
                return
            cmd_service_create(sys.argv[3], sys.argv[4], sys.argv[5],
                             sys.argv[6] if len(sys.argv) > 6 else 'food')
    
    # AI 审核命令
    elif command == 'audit':
        if len(sys.argv) < 3:
            print('用法：python cli.py audit <article|comment|service|status> [参数]')
            return
        
        subcommand = sys.argv[2]
        if subcommand == 'article':
            if len(sys.argv) < 5:
                print('用法：python cli.py audit article <标题> <内容>')
                return
            cmd_audit_article(sys.argv[3], sys.argv[4])
        elif subcommand == 'comment':
            if len(sys.argv) < 4:
                print('用法：python cli.py audit comment <内容>')
                return
            cmd_audit_comment(sys.argv[3])
        elif subcommand == 'service':
            if len(sys.argv) < 5:
                print('用法：python cli.py audit service <名称> <描述>')
                return
            cmd_audit_service(sys.argv[3], sys.argv[4])
        elif subcommand == 'status':
            cmd_audit_status()
    
    # 帮助命令
    elif command == 'help' or command == '--help' or command == '-h':
        cmd_help()
    
    else:
        print(f'❌ 未知命令：{command}')
        print('使用 python cli.py help 查看帮助')


if __name__ == '__main__':
    main()