#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import time
import logging
import traceback
from typing import Dict, Tuple, Any
import json


os.environ.setdefault('FLASK_RUN_HOST', '0.0.0.0')

from flask import Flask, request, jsonify, send_from_directory
import yaml
from webhook.handler import GiteaWebhookHandler
from scanner.python_scanner import PythonScanner
from scanner.js_scanner import JavaScriptScanner
from scanner.security_scanner import SecurityScanner
from scanner.ai_reviewer import AIReviewer
from scanner.diff_parser import merge_issues_with_code
from report.generator import ReportGenerator
from notify.feishu import FeishuNotifier
from gitea_client import GiteaClient
from db import PRScanDB

# 配置日志
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)

# 加载配置
def load_config():
    """加载配置文件"""
    config_path = os.path.join(os.path.dirname(__file__), 'config.yaml')
    with open(config_path, 'r', encoding='utf-8') as f:
        return yaml.safe_load(f)

# 全局配置
config = load_config()

# 初始化应用
app = Flask(__name__)
app.config['SECRET_KEY'] = config.get('server', {}).get('secret_key', 'dev-secret-key')

# 初始化组件
webhook_handler = GiteaWebhookHandler(config['gitea'])
python_scanner = PythonScanner(config.get('scanner', {}))
js_scanner = JavaScriptScanner(config.get('scanner', {}))
security_scanner = SecurityScanner(config.get('scanner', {}))
ai_reviewer = AIReviewer(config.get('ai', {}))
report_generator = ReportGenerator(config.get('report', {}))
feishu_notifier = FeishuNotifier(config['feishu'])
gitea_client = GiteaClient(config['gitea'])


@app.route('/')
def index():
    """健康检查接口"""
    return jsonify({
        'status': 'ok',
        'service': 'AI Code Quality Scanner',
        'version': '1.0.0'
    })


@app.route('/webhook/gitea', methods=['POST'])
def handle_gitea_webhook():
    """处理 Gitea Webhook 请求"""
    try:
        # 验证签名
        signature = request.headers.get('X-Gitea-Signature')
        if signature:
            if not webhook_handler.verify_signature(
                request.data,
                signature,
                config['gitea']['webhook_secret']
            ):
                logger.warning('Webhook 签名验证失败')
                return jsonify({'error': 'Invalid signature'}), 401

        # 解析 Webhook payload
        payload = request.json
        if not payload:
            return jsonify({'error': 'No payload'}), 400

        event_type = request.headers.get('X-Gitea-Event', 'push')
        logger.info(f'收到 Gitea Webhook 事件: {event_type}')

        # 处理 Pull Request 事件
        if event_type == 'pull_request':
            return handle_pull_request(payload)

        # 处理 Push 事件
        if event_type != 'push':
            return jsonify({'message': 'Event ignored'}), 200

        # 提取提交信息
        commits = payload.get('commits', [])
        if not commits:
            return jsonify({'message': 'No commits'}), 200

        repo = payload.get('repository', {})
        repo_name = repo.get('full_name', 'unknown')
        branch = payload.get('ref', '').replace('refs/heads/', '')
        pusher = payload.get('pusher', {}).get('name', 'unknown')

        logger.info(f'处理仓库 {repo_name} 的 {len(commits)} 个提交')

        # 处理每个提交
        for commit in commits:
            commit_id = commit.get('id', '')[:8]
            commit_message = commit.get('message', '')
            author = commit.get('author', {}).get('name', 'unknown')

            logger.info(f'扫描提交 {commit_id}: {commit_message}')

            try:
                # 获取仓库 URL
                clone_url = repo.get('clone_url')
                if not clone_url:
                    # 尝试从 web_url 构建
                    web_url = repo.get('web_url', '')
                    if web_url:
                        clone_url = web_url.replace('http://', 'http://').replace('https://', 'https://')
                        clone_url = clone_url.rstrip('/') + '.git'

                # 执行代码扫描
                scan_results = {}

                # Python 扫描
                if 'python' in config.get('scanner', {}).get('languages', []):
                    start_time = time.time()
                    scan_results['python'] = python_scanner.scan(
                        clone_url, commit_id, branch
                    )
                    logger.info(f"[TIMER] Python 扫描耗时: {time.time() - start_time:.2f}秒")

                # JavaScript/TypeScript 扫描
                if any(lang in config.get('scanner', {}).get('languages', [])
                       for lang in ['javascript', 'typescript']):
                    start_time = time.time()
                    scan_results['javascript'] = js_scanner.scan(
                        clone_url, commit_id, branch
                    )
                    logger.info(f"[TIMER] JavaScript 扫描耗时: {time.time() - start_time:.2f}秒")

                # 安全扫描
                start_time = time.time()
                scan_results['security'] = security_scanner.scan(
                    clone_url, commit_id, branch
                )
                logger.info(f"[TIMER] 安全扫描耗时: {time.time() - start_time:.2f}秒")

                # 生成报告
                report = report_generator.generate(
                    repo_name=repo_name,
                    branch=branch,
                    commit_id=commit_id,
                    commit_message=commit_message,
                    author=author,
                    scan_results=scan_results
                )

                # 发送飞书通知
                feishu_notifier.send_report(report)

                logger.info(f'提交 {commit_id} 扫描完成')

            except Exception as e:
                logger.error(f'扫描提交 {commit_id} 失败: {str(e)}')
                # 继续处理其他提交
                continue

        return jsonify({'status': 'ok', 'message': 'Scan completed'}), 200

    except Exception as e:
        logger.error(f'处理 Webhook 失败: {str(e)}', exc_info=True)
        return jsonify({'error': str(e)}), 500


def handle_pull_request(payload: Dict[str, Any]) -> Tuple[Dict, int]:
    """
    处理 Pull Request 事件
    """
    try:
        # 解析 PR 事件
        pr_info = webhook_handler.parse_pull_request_event(payload)

        if not pr_info:
            logger.info('PR 事件不需要处理（如关闭、合并等）')
            return jsonify({'message': 'PR event ignored'}), 200

        repo_name = pr_info['repo_name']
        source_branch = pr_info['source_branch']
        source_sha = pr_info['source_sha']
        pr_number = pr_info['pr_number']
        pr_title = pr_info['pr_title']
        pr_url = pr_info['pr_url']
        target_branch = pr_info['target_branch']
        author = pr_info['author']

        logger.info(f'处理 PR #{pr_number}: {pr_title} ({source_branch} -> {target_branch})')
        logger.info(f'扫描 PR 分支: {source_branch}, commit: {source_sha}')

        try:
            # 获取仓库 URL
            repo = payload.get('repository', {})
            clone_url = repo.get('clone_url')
            if not clone_url:
                web_url = repo.get('web_url', '')
                if web_url:
                    clone_url = web_url.rstrip('/') + '.git'

            # 获取 PR 中变更的文件列表
            changed_files = []
            try:
                if '/' in repo_name:
                    repo_owner, repo_name_only = repo_name.split('/', 1)
                else:
                    repo_owner = 'Bosch_Demo'
                    repo_name_only = repo_name

                pr_files = gitea_client.get_pull_request_files(repo_owner, repo_name_only, pr_number)
                if pr_files:
                    changed_files = [f.get('filename', '') for f in pr_files if f.get('filename')]
                    logger.info(f"获取到 PR #{pr_number} 的变更文件: {changed_files}")
            except Exception as e:
                logger.warning(f"获取 PR 文件列表失败: {e}")

            # 执行代码扫描
            scan_results = {}

            # Python 扫描
            if 'python' in config.get('scanner', {}).get('languages', []):
                start_time = time.time()
                scan_results['python'] = python_scanner.scan(
                    clone_url, source_sha, source_branch, changed_files
                )
                logger.info(f"[TIMER] Python 扫描耗时: {time.time() - start_time:.2f}秒")

            # JavaScript/TypeScript 扫描
            if any(lang in config.get('scanner', {}).get('languages', [])
                   for lang in ['javascript', 'typescript']):
                start_time = time.time()
                scan_results['javascript'] = js_scanner.scan(
                    clone_url, source_sha, source_branch, changed_files
                )
                logger.info(f"[TIMER] JavaScript 扫描耗时: {time.time() - start_time:.2f}秒")

            # 安全扫描
            start_time = time.time()
            scan_results['security'] = security_scanner.scan(
                clone_url, source_sha, source_branch, changed_files
            )
            logger.info(f"[TIMER] 安全扫描耗时: {time.time() - start_time:.2f}秒")

            # AI 代码审查
            if config.get('ai', {}).get('enabled', False):
                start_time = time.time()
                scan_results['ai'] = ai_reviewer.scan(
                    clone_url, source_sha, source_branch, changed_files
                )
                logger.info(f"[TIMER] AI 扫描耗时: {time.time() - start_time:.2f}秒")

            # 获取 PR 的代码差异，用于将问题与代码片段关联
            pr_diff = None
            try:
                pr_diff = gitea_client.get_pull_request_diff(repo_owner, repo_name_only, pr_number)
                logger.info(f"已获取 PR #{pr_number} 的 diff，长度: {len(pr_diff) if pr_diff else 0}")
            except Exception as e:
                logger.warning(f"获取 PR diff 失败: {e}")

            # 将问题与代码片段关联
            scan_details_with_code = merge_issues_with_code(scan_results, pr_diff or '')
            logger.info(f"[DEBUG] scan_results keys: {list(scan_results.keys())}")
            for k, v in scan_results.items():
                if isinstance(v, dict):
                    issues_cnt = len(v.get('issues', []))
                    logger.info(f"[DEBUG] scan_results['{k}'] issues count: {issues_cnt}")
            logger.info(f"[DEBUG] scan_details_with_code scanners: {[s.get('name') for s in scan_details_with_code.get('scanners', [])] if scan_details_with_code else 'None'}")

            # 生成报告
            commit_message = f'PR #{pr_number}: {pr_title}'
            report = report_generator.generate(
                repo_name=repo_name,
                branch=source_branch,
                commit_id=source_sha,
                commit_message=commit_message,
                author=author,
                scan_results=scan_results,
                pr_url=pr_url,
                target_branch=target_branch,
                pr_number=pr_number
            )

            # 发送飞书通知
            feishu_notifier.send_report(report)

            # 保存扫描结果到数据库
            pr_info_for_db = {
                'repo_name': repo_name,
                'pr_number': pr_number,
                'pr_title': pr_title,
                'pr_url': pr_url,
                'source_branch': source_branch,
                'target_branch': target_branch,
                'author': author
            }
            PRScanDB.save_pr_scan(pr_info_for_db, scan_results, report.get('file_path'), scan_details_with_code)

            logger.info(f'PR #{pr_number} 扫描完成')

        except Exception as e:
            traceback.print_exc()
            logger.error(f'扫描 PR #{pr_number} 失败: {str(e)}')
            return jsonify({'error': str(e)}), 500

        return jsonify({'status': 'ok', 'message': 'PR scan completed'}), 200

    except Exception as e:
        logger.error(f'处理 PR Webhook 失败: {str(e)}', exc_info=True)
        return jsonify({'error': str(e)}), 500


@app.route('/scan/manual', methods=['POST'])
def manual_scan():
    """手动触发扫描接口"""
    try:
        data = request.json
        repo_url = data.get('repo_url')
        branch = data.get('branch', 'main')
        commit_id = data.get('commit_id')

        if not repo_url:
            return jsonify({'error': 'repo_url is required'}), 400

        # 执行扫描
        scan_results = {}

        if 'python' in config.get('scanner', {}).get('languages', []):
            start_time = time.time()
            scan_results['python'] = python_scanner.scan(repo_url, commit_id, branch)
            logger.info(f"[TIMER] Python 扫描耗时: {time.time() - start_time:.2f}秒")

        if any(lang in config.get('scanner', {}).get('languages', [])
               for lang in ['javascript', 'typescript']):
            start_time = time.time()
            scan_results['javascript'] = js_scanner.scan(repo_url, commit_id, branch)
            logger.info(f"[TIMER] JavaScript 扫描耗时: {time.time() - start_time:.2f}秒")

        start_time = time.time()
        scan_results['security'] = security_scanner.scan(repo_url, commit_id, branch)
        logger.info(f"[TIMER] 安全扫描耗时: {time.time() - start_time:.2f}秒")

        # 生成报告
        report = report_generator.generate(
            repo_name=repo_url.split('/')[-1].replace('.git', ''),
            branch=branch,
            commit_id=commit_id or 'manual',
            commit_message='Manual scan',
            author='manual',
            scan_results=scan_results
        )

        # 发送飞书通知
        feishu_notifier.send_report(report)

        return jsonify({
            'status': 'ok',
            'report': report
        }), 200

    except Exception as e:
        logger.error(f'手动扫描失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/feishu/card_action', methods=['POST'])
def handle_feishu_card_action():
    """处理飞书卡片按钮点击事件"""
    try:
        payload = request.json
        logger.info(f'收到飞书卡片回调: {payload}')

        # 处理 URL 验证请求
        challenge = payload.get('challenge')
        if challenge:
            logger.info('处理 URL 验证请求')
            return jsonify({'challenge': challenge}), 200

        # 解析回调数据
        action_data = payload.get('action', {})
        if not action_data:
            action_data = payload.get('value', {})

        action_type = action_data.get('action')
        owner = action_data.get('owner')
        repo = action_data.get('repo')
        pr_number = action_data.get('pr_number')
        pr_url = action_data.get('pr_url')

        if not all([action_type, owner, repo, pr_number]):
            logger.error('卡片回调数据不完整')
            return jsonify({'error': 'Missing required parameters'}), 400

        logger.info(f'执行操作: {action_type}, PR: {owner}/{repo}#{pr_number}')

        # 执行对应操作
        if action_type == 'merge':
            success = gitea_client.merge_pull_request(
                owner=owner,
                repo=repo,
                pr_number=int(pr_number),
                merge_message=f'通过飞书机器人合并 PR #{pr_number}'
            )
            result_message = '✅ **已合并 PR**' if success else '❌ **合并失败**'
        elif action_type == 'close':
            success = gitea_client.close_pull_request(
                owner=owner,
                repo=repo,
                pr_number=int(pr_number)
            )
            result_message = '✅ **已关闭 PR（取消合并）**' if success else '❌ **关闭失败**'
        else:
            result_message = f'⚠️ **未知操作: {action_type}**'

        # 发送操作结果到飞书
        result_text = f"{result_message}\n\n**PR:** {owner}/{repo}#{pr_number}\n**链接:** [查看PR]({pr_url})"
        feishu_notifier.send_simple_message('PR 操作结果', result_text)

        return jsonify({'status': 'ok', 'message': result_message}), 200

    except Exception as e:
        logger.error(f'处理飞书卡片回调失败: {str(e)}', exc_info=True)
        return jsonify({'error': str(e)}), 500


@app.route('/feishu/webhook', methods=['POST'])
def handle_feishu_webhook():
    """处理飞书开放平台的验证回调"""
    try:
        payload = request.json

        # 处理验证请求
        challenge = payload.get('challenge')
        if challenge:
            return jsonify({'challenge': challenge}), 200

        # 处理消息事件
        event_type = payload.get('type')
        if event_type == 'url_verification':
            return jsonify({'challenge': payload.get('challenge')}), 200

        logger.info(f'收到飞书事件: {event_type}')
        return jsonify({'status': 'ok'}), 200

    except Exception as e:
        logger.error(f'处理飞书 Webhook 失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


# ============================================
# 扫描管理平台 API
# ============================================

@app.route('/api/prs')
def api_get_prs():
    """获取所有 PR 列表"""
    try:
        state = request.args.get('state')
        prs = PRScanDB.get_all_prs(state=state)

        # 转换 scan_result 字符串为对象
        for pr in prs:
            if pr.get('scan_result') and isinstance(pr['scan_result'], str):
                try:
                    pr['scan_result'] = json.loads(pr['scan_result'])
                except:
                    pass
            if pr.get('ai_review') and isinstance(pr['ai_review'], str):
                try:
                    pr['ai_review'] = json.loads(pr['ai_review'])
                except:
                    pass

        return jsonify(prs)
    except Exception as e:
        logger.error(f'获取 PR 列表失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>')
def api_get_pr(pr_id):
    """获取单个 PR 详情"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'error': 'PR not found'}), 404

        # 转换 JSON 字段
        if pr.get('scan_result') and isinstance(pr['scan_result'], str):
            try:
                pr['scan_result'] = json.loads(pr['scan_result'])
            except:
                pass
        if pr.get('ai_review') and isinstance(pr['ai_review'], str):
            try:
                pr['ai_review'] = json.loads(pr['ai_review'])
            except:
                pass

        # 返回带代码片段的扫描详情
        if pr.get('scan_details_with_code') and isinstance(pr['scan_details_with_code'], str):
            try:
                pr['scan_details_with_code'] = json.loads(pr['scan_details_with_code'])
            except:
                pass

        return jsonify(pr)
    except Exception as e:
        logger.error(f'获取 PR 详情失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/diff')
def api_get_pr_diff(pr_id):
    """获取 PR 的代码差异"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'error': 'PR not found'}), 404

        repo_name = pr.get('repo_name', '')
        pr_number = pr.get('pr_number', 0)

        if not repo_name or not pr_number:
            return jsonify({'error': 'PR 信息不完整'}), 400

        # 解析 owner 和 repo
        if '/' in repo_name:
            owner, repo = repo_name.split('/', 1)
        else:
            owner = 'Bosch_Demo'  # 默认
            repo = repo_name

        logger.info(f"获取 PR #{pr_number} ({owner}/{repo}) 的 diff")

        # 获取 diff
        diff = gitea_client.get_pull_request_diff(owner, repo, pr_number)
        if diff is None:
            return jsonify({'error': '获取 diff 失败'}), 500

        return jsonify({
            'diff': diff,
            'pr_number': pr_number,
            'repo_name': repo_name
        })

    except Exception as e:
        logger.error(f'获取 PR diff 失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/files')
def api_get_pr_files(pr_id):
    """获取 PR 变更文件列表（用于左侧树状展示）"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'error': 'PR not found'}), 404
        repo_name = pr.get('repo_name', '')
        pr_number = pr.get('pr_number', 0)
        if not repo_name or not pr_number:
            return jsonify({'error': 'PR 信息不完整'}), 400
        if '/' in repo_name:
            owner, repo = repo_name.split('/', 1)
        else:
            owner, repo = 'Bosch_Demo', repo_name
        files = gitea_client.get_pull_request_files(owner, repo, pr_number)
        if files is None:
            return jsonify({'error': '获取文件列表失败'}), 500
        return jsonify({'files': files, 'repo_name': repo_name})
    except Exception as e:
        logger.error(f'获取 PR 文件列表失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/file')
def api_get_pr_file_content(pr_id):
    """获取 PR 中某文件在源分支上的完整内容"""
    try:
        path = request.args.get('path')
        if not path:
            return jsonify({'error': '缺少 path 参数'}), 400
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'error': 'PR not found'}), 404
        repo_name = pr.get('repo_name', '')
        pr_number = pr.get('pr_number', 0)
        if not repo_name or not pr_number:
            return jsonify({'error': 'PR 信息不完整'}), 400
        if '/' in repo_name:
            owner, repo = repo_name.split('/', 1)
        else:
            owner, repo = 'Bosch_Demo', repo_name
        pr_info = gitea_client.get_pull_request(owner, repo, pr_number)
        if not pr_info:
            return jsonify({'error': '获取 PR 信息失败'}), 500
        head_ref = pr_info.get('head', {}).get('ref') or pr_info.get('head_branch') or pr.get('source_branch')
        if not head_ref:
            return jsonify({'error': '无法确定源分支'}), 400
        content = gitea_client.get_file_contents(owner, repo, path, head_ref)
        if content is None:
            return jsonify({'error': '文件不存在或无法读取'}), 404

        # 获取该文件的扫描问题（PR 创建时已扫描并存入 scan_details_with_code）
        scan_issues = []
        path_norm = path.replace('\\', '/').strip()
        logger.info(f"[DEBUG] 请求文件: path_norm={path_norm}")
        scan_details = pr.get('scan_details_with_code')
        if isinstance(scan_details, str):
            try:
                scan_details = json.loads(scan_details)
            except Exception:
                scan_details = None
        if scan_details:
            logger.info(f"[DEBUG] scan_details keys: {list(scan_details.keys()) if isinstance(scan_details, dict) else 'not dict'}")
            if scan_details.get('scanners'):
                logger.info(f"[DEBUG] scanners count: {len(scan_details['scanners'])}")
                for scanner in scan_details['scanners']:
                    scanner_name = scanner.get('name', '')
                    issues_count = len(scanner.get('issues', []))
                    logger.info(f"[DEBUG] scanner={scanner_name}, issues_count={issues_count}")
                    # 打印前几个 issue 的 file 看看
                    for idx, issue in enumerate(scanner.get('issues', [])[:3]):
                        logger.info(f"[DEBUG]   issue[{idx}] file={issue.get('file')}, line={issue.get('line')}")
        if scan_details and scan_details.get('scanners'):
            for scanner in scan_details['scanners']:
                for issue in scanner.get('issues', []):
                    issue_file = (issue.get('file') or '').replace('\\', '/').strip()
                    if not issue_file:
                        continue
                    # 匹配：精确相等或一端包含另一端（兼容 basename 或完整路径）
                    if path_norm == issue_file or path_norm.endswith(issue_file) or issue_file.endswith(path_norm):
                        logger.info(f"[DEBUG] 匹配成功: issue_file={issue_file}, path_norm={path_norm}")
                        sev = (issue.get('severity') or 'info')
                        if isinstance(sev, str):
                            sev = sev.lower()
                        scanner_name = scanner.get('name', '')
                        scanner_display = {'python': 'Python', 'javascript': 'JavaScript', 'security': 'Security'}.get(scanner_name, scanner_name)
                        scan_issues.append({
                            'scanner': scanner_display,
                            'severity': sev,
                            'line': int(issue.get('line') or 0),
                            'message': (issue.get('message') or issue.get('description') or '').strip(),
                            'code_context': issue.get('code_context')
                        })
        logger.info(f"[DEBUG] 最终 scan_issues count: {len(scan_issues)}")

        # 获取 AI 审查结果
        ai_issues = []
        if scan_details and scan_details.get('ai'):
            ai_data = scan_details['ai']
            for issue in ai_data.get('issues', []):
                issue_file = (issue.get('file') or '').replace('\\', '/').strip()
                if not issue_file:
                    continue
                # 匹配：精确相等或一端包含另一端
                if path_norm == issue_file or path_norm.endswith(issue_file) or issue_file.endswith(path_norm):
                    ai_issues.append({
                        'scanner': 'AI',
                        'severity': issue.get('severity', 'info'),
                        'line': int(issue.get('line') or 1),
                        'message': issue.get('message', ''),
                        'category': 'ai',
                        'code_context': issue.get('code_context')
                    })

        logger.info(f"[DEBUG] AI issues count: {len(ai_issues)}")

        # 合并静态扫描问题和 AI 问题
        all_issues = scan_issues + ai_issues

        return jsonify({'path': path, 'content': content, 'scan_issues': all_issues})
    except Exception as e:
        logger.error(f'获取文件内容失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/quality')
def api_get_quality_score(pr_id):
    """获取 PR 的代码质量评分"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'error': 'PR not found'}), 404

        # 从 scan_result 中获取质量评分
        scan_result = pr.get('scan_result')
        if isinstance(scan_result, str):
            try:
                scan_result = json.loads(scan_result)
            except:
                scan_result = None

        quality_score = None
        if scan_result and scan_result.get('ai'):
            quality_score = scan_result['ai'].get('quality_score')

        if not quality_score:
            return jsonify({'error': '暂无质量评分'}), 404

        return jsonify(quality_score)
    except Exception as e:
        logger.error(f'获取质量评分失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/stats')
def api_get_issue_stats(pr_id):
    """获取 PR 的问题统计"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'error': 'PR not found'}), 404

        # 获取 scan_details_with_code
        scan_details = pr.get('scan_details_with_code')
        if isinstance(scan_details, str):
            try:
                scan_details = json.loads(scan_details)
            except:
                scan_details = None

        if not scan_details:
            return jsonify({'error': '暂无扫描详情'}), 404

        # 统计各扫描器的问题
        stats = {
            'by_severity': {'error': 0, 'warning': 0, 'info': 0},
            'by_scanner': {},
            'total': 0
        }

        # 统计静态扫描器
        for scanner in scan_details.get('scanners', []):
            scanner_name = scanner.get('name', 'unknown')
            scanner_issues = scanner.get('issues', [])
            stats['by_scanner'][scanner_name] = len(scanner_issues)

            for issue in scanner_issues:
                sev = (issue.get('severity') or 'info').lower()
                if sev in stats['by_severity']:
                    stats['by_severity'][sev] += 1
                stats['total'] += 1

        # 统计 AI 扫描器
        ai_data = scan_details.get('ai', {})
        if ai_data:
            ai_issues = ai_data.get('issues', [])
            stats['by_scanner']['AI'] = len(ai_issues)
            for issue in ai_issues:
                sev = (issue.get('severity') or 'info').lower()
                if sev in stats['by_severity']:
                    stats['by_severity'][sev] += 1
                stats['total'] += 1

        return jsonify(stats)
    except Exception as e:
        logger.error(f'获取问题统计失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/fix', methods=['POST'])
def api_generate_fix(pr_id):
    """生成问题修复建议"""
    try:
        data = request.get_json()
        if not data:
            return jsonify({'error': '请求体为空'}), 400

        file_path = data.get('file')
        line = data.get('line', 1)
        message = data.get('message', '')
        code = data.get('code', '')

        if not file_path or not message:
            return jsonify({'error': '缺少必要参数'}), 400

        # 调用 AI 生成修复建议
        fix_result = ai_reviewer.generate_fix_suggestion(file_path, line, message, code)

        if fix_result:
            return jsonify(fix_result)
        else:
            return jsonify({'error': '生成修复建议失败'}), 500

    except Exception as e:
        logger.error(f'生成修复建议失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/history')
def api_get_pr_history():
    """获取 PR 扫描历史趋势"""
    try:
        limit = request.args.get('limit', 20, type=int)
        repo_name = request.args.get('repo_name', '')

        # 获取 PR 列表
        prs = PRScanDB.get_all_prs(status='completed')
        if repo_name:
            prs = [p for p in prs if p.get('repo_name') == repo_name]

        # 只取最近的 N 个
        prs = prs[:limit]

        # 构建趋势数据
        history = []
        for pr in reversed(prs):  # 从旧到新
            issues_count = pr.get('issues_count', 0)

            # 从 scan_result 中各扫描器汇总 error/warning 数量
            scan_result = pr.get('scan_result')
            if isinstance(scan_result, str):
                try:
                    scan_result = json.loads(scan_result)
                except:
                    scan_result = None

            error_count = 0
            warning_count = 0
            if scan_result and isinstance(scan_result, dict):
                # 遍历各扫描器，汇总 error 和 warning
                for scanner_name, scanner_result in scan_result.items():
                    if isinstance(scanner_result, dict):
                        summary = scanner_result.get('summary', {})
                        if isinstance(summary, dict):
                            error_count += summary.get('error', 0)
                            warning_count += summary.get('warning', 0)

            history.append({
                'pr_id': pr.get('id'),
                'pr_number': pr.get('pr_number'),
                'repo_name': pr.get('repo_name'),
                'title': pr.get('pr_title', ''),
                'author': pr.get('author', ''),
                'created_at': pr.get('created_at', ''),
                'issues_count': issues_count,
                'error_count': error_count,
                'warning_count': warning_count,
                'total_issues': error_count + warning_count,
                'state': pr.get('state', '')
            })

        return jsonify(history)
    except Exception as e:
        logger.error(f'获取历史趋势失败: {str(e)}')
        return jsonify({'error': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/merge', methods=['POST'])
def api_merge_pr(pr_id):
    """合并 PR"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'success': False, 'message': 'PR not found'}), 404

        logger.info(f"合并 PR - 数据库记录: {pr}")

        if pr['state'] != 'open':
            return jsonify({'success': False, 'message': 'PR 状态不是 open'}), 400

        # 解析仓库名
        repo_name = pr['repo_name']
        logger.info(f"仓库名称: {repo_name}")
        
        if '/' in repo_name:
            owner, repo = repo_name.split('/')
        else:
            owner = ''
            repo = repo_name
        
        logger.info(f"owner: {owner}, repo: {repo}, pr_number: {pr['pr_number']}")

        # 先检查 PR 状态
        pr_info = gitea_client.get_pull_request(owner, repo, pr['pr_number'])
        if not pr_info:
            return jsonify({'success': False, 'message': '无法获取 PR 信息，请检查仓库名称是否正确'}), 400
            
        logger.info(f"PR 信息: state={pr_info.get('state')}, mergeable={pr_info.get('mergeable')}")

        if pr_info.get('state') != 'open':
            return jsonify({'success': False, 'message': f'PR 状态是 {pr_info.get("state")}, 不是 open'}), 400

        # 调用 Gitea API 合并
        success = gitea_client.merge_pull_request(
            owner=owner,
            repo=repo,
            pr_number=pr['pr_number'],
            merge_message=f'通过管理平台合并 PR #{pr["pr_number"]}'
        )

        if success:
            # 更新数据库状态
            PRScanDB.update_pr_state(pr_id, 'merged', merged_by='admin')

            # 发送飞书通知
            result_text = f"✅ **PR 已通过管理平台合并**\n\n**PR:** {repo_name}#{pr['pr_number']}\n**标题:** {pr['pr_title']}\n**合并人:** 管理员"
            feishu_notifier.send_simple_message('PR 合并', result_text)

            return jsonify({'success': True, 'message': 'PR 已合并'})
        else:
            return jsonify({'success': False, 'message': '合并失败'}), 500

    except Exception as e:
        logger.error(f'合并 PR 失败: {str(e)}')
        return jsonify({'success': False, 'message': str(e)}), 500


@app.route('/api/prs/<int:pr_id>/close', methods=['POST'])
def api_close_pr(pr_id):
    """关闭 PR"""
    try:
        pr = PRScanDB.get_pr_by_id(pr_id)
        if not pr:
            return jsonify({'success': False, 'message': 'PR not found'}), 404

        if pr['state'] != 'open':
            return jsonify({'success': False, 'message': 'PR 状态不是 open'}), 400

        # 解析仓库名
        repo_name = pr['repo_name']
        if '/' in repo_name:
            owner, repo = repo_name.split('/')
        else:
            owner = ''
            repo = repo_name

        # 调用 Gitea API 关闭
        success = gitea_client.close_pull_request(
            owner=owner,
            repo=repo,
            pr_number=pr['pr_number']
        )

        if success:
            # 更新数据库状态
            PRScanDB.update_pr_state(pr_id, 'closed')

            # 发送飞书通知
            result_text = f"❌ **PR 已被管理平台拒绝**\n\n**PR:** {repo_name}#{pr['pr_number']}\n**标题:** {pr['pr_title']}"
            feishu_notifier.send_simple_message('PR 拒绝', result_text)

            return jsonify({'success': True, 'message': 'PR 已关闭'})
        else:
            return jsonify({'success': False, 'message': '关闭失败'}), 500

    except Exception as e:
        logger.error(f'关闭 PR 失败: {str(e)}')
        return jsonify({'success': False, 'message': str(e)}), 500


# ============================================
# 扫描管理平台页面
# ============================================

# 获取 web 目录的绝对路径
WEB_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'web')


@app.route('/dashboard')
def dashboard():
    """扫描管理平台首页"""
    return send_from_directory(WEB_DIR, 'index.html')


@app.route('/web/<path:filename>')
def serve_static(filename):
    """提供静态文件服务"""
    return send_from_directory(WEB_DIR, filename)


if __name__ == '__main__':
    # 强制监听所有网络接口
    host = "0.0.0.0"
    port = config.get('server', {}).get('port', 5000)
    debug = config.get('server', {}).get('debug', True)

    logger.info(f'启动服务: {host}:{port}')
    app.run(host=host, port=port, debug=debug)