#!/usr/bin/env python3
"""
collector 数据库集成模块
将采集到的选题写入数据库
"""

import sys
from pathlib import Path

PROJECT_ROOT = Path(__file__).parent.parent
sys.path.insert(0, str(PROJECT_ROOT))

from app.database import SessionLocal
from app.models import Topic
from datetime import datetime

def save_topics_to_db(topics_data: list):
    """将选题列表保存到数据库（插入或更新）"""
    db = SessionLocal()
    try:
        for t in topics_data:
            # 检查是否存在
            existing = db.query(Topic).filter(Topic.id == t['id']).first()
            if existing:
                # 更新字段
                existing.title = t['title']
                existing.field = t.get('field', existing.field)
                existing.format = t.get('format', existing.format)
                existing.core_concept = t.get('core_concept', existing.core_concept)
                existing.audience_pain = t.get('audience_pain', existing.audience_pain)
                existing.unique_angle = t.get('unique_angle', existing.unique_angle)
                existing.priority = t.get('priority', existing.priority)
                existing.priority_score = t.get('priority_score', existing.priority_score)
                existing.total_score = t.get('total_score', existing.total_score)
                existing.status = t.get('status', existing.status)
                existing.cases = t.get('cases', existing.cases)
                existing.source_file = t.get('source_file', existing.source_file)
                existing.ready_at = datetime.strptime(t['ready_at'], '%Y-%m-%d').date() if t.get('ready_at') else existing.ready_at
                existing.published_at = datetime.strptime(t['published_at'], '%Y-%m-%d').date() if t.get('published_at') else existing.published_at
                existing.compliance_score = t.get('compliance_score', existing.compliance_score)
                existing.platform_urls = t.get('platform_urls', existing.platform_urls)
                existing.updated_at = datetime.now()
            else:
                # 新增
                topic = Topic(
                    id=t['id'],
                    title=t['title'],
                    field=t.get('field', '可持续生活系统'),
                    format=t.get('format'),
                    core_concept=t.get('core_concept'),
                    audience_pain=t.get('audience_pain'),
                    unique_angle=t.get('unique_angle'),
                    priority=t.get('priority', '中'),
                    priority_score=t.get('priority_score', 0),
                    total_score=t.get('total_score'),
                    status=t.get('status', 'pending'),
                    cases=t.get('cases', []),
                    source_file=t.get('source_file'),
                    ready_at=datetime.strptime(t['ready_at'], '%Y-%m-%d').date() if t.get('ready_at') else None,
                    published_at=datetime.strptime(t['published_at'], '%Y-%m-%d').date() if t.get('published_at') else None,
                    compliance_score=t.get('compliance_score', 100),
                    platform_urls=t.get('platform_urls', {}),
                    created_at=datetime.now(),
                    updated_at=datetime.now()
                )
                db.add(topic)
        db.commit()
        print(f"✅ 保存/更新了 {len(topics_data)} 个选题到数据库")
    except Exception as e:
        db.rollback()
        raise e
    finally:
        db.close()

if __name__ == "__main__":
    # 测试示例
    print("collector_db_integration module - for import only")