from database.tmaterial.model import TMaterial
from database.tnews.model import TNews


def create_material(db, material: TMaterial):
    db.add(material)
    db.commit()
    db.refresh(material)
    return material

def receive_news(db, news_list: list[TNews]):
    material_list = []
    for news in news_list:
        material = TMaterial()
        material.title = news.title
        material.summary = news.summary
        material.url = news.url
        material.content = news.content
        material.occurrence_date = news.occurrence_date
        material.source = news.source
        material.primary_category = news.primary_category
        material.secondary_category = news.secondary_category
        material.tertiary_category = news.tertiary_category
        material.label = news.label
        material_list.append(material)
    create_materials_if_url_not_exists(db, material_list)


# 插入数据库之前判断数据库中是否已经存在，根据TMaterial.url 判断
def create_material_if_url_not_exists(db, material: TMaterial):
    # 检查是否已经存在具有相同 URL 的记录
    existing_material = db.query(TMaterial).filter(TMaterial.url == material.url).first()

    if existing_material:
        # 如果记录已存在，直接返回已有的记录
        return existing_material

    # 如果记录不存在，插入新的记录
    db.add(material)
    db.commit()
    db.refresh(material)
    return material


def create_materials_if_url_not_exists(db, material_list: list[TMaterial]):
    inserted_materials = []  # 用于保存实际插入的新闻记录

    for material in material_list:
        # 检查是否已经存在具有相同 URL 的记录
        existing_materials = db.query(TMaterial).filter(TMaterial.url == material.url).first()

        if not existing_materials:
            # 如果记录不存在，插入新的记录
            db.add(material)
            inserted_materials.append(material)

    # 批量提交所有插入的记录
    db.commit()

    # 刷新所有新插入的记录
    for material in inserted_materials:
        db.refresh(material)

    return inserted_materials


def get_material_by_id(db, material_id: int):
    return db.query(TMaterial).filter(TMaterial.id == material_id).first()


def get_material_need_summary(db):
    return db.query(TMaterial).filter(TMaterial.ai_summary == None).all()


def get_materials_for_generate_reference_message(db, news_type: str) -> list[TMaterial]:
    return db.query(TMaterial).filter(
        TMaterial.type == news_type,
        TMaterial.ai_summary != None,
        TMaterial.is_usage == False
    ).order_by(TMaterial.occurrence_date.desc()).all()

def get_materials_for_generate_real_estate_reference_message(db) -> list[TMaterial]:
    return db.query(TMaterial).filter(
        TMaterial.primary_category == '新闻类',
        TMaterial.secondary_category == '经济类',
        TMaterial.tertiary_category == '房地产',
        TMaterial.ai_summary != None,
        TMaterial.ai_summary != 'summary formate error',
        TMaterial.is_usage == False
    ).order_by(TMaterial.occurrence_date.desc()).all()

def get_materials_for_generate_news(db) -> list[TMaterial]:
    return db.query(TMaterial).filter(
        TMaterial.label == '资讯',
        TMaterial.ai_summary != None,
        TMaterial.ai_summary != 'summary formate error',
        TMaterial.is_usage == False
    ).order_by(TMaterial.occurrence_date.desc()).all()

def get_materials_for_generate_tech_reference_message(db) -> list[TMaterial]:
    return db.query(TMaterial).filter(
        TMaterial.primary_category == '新闻类',
        TMaterial.secondary_category == '科技类',
        TMaterial.ai_summary != None,
        TMaterial.ai_summary != 'summary formate error',
        TMaterial.is_usage == False
    ).order_by(TMaterial.occurrence_date.desc()).all()

def update_material_by_id(db, news: TMaterial):
    db.merge(news)
    db.commit()


def update_material(db, material_id: int, updates: dict):
    material = db.query(TMaterial).filter(TMaterial.id == material_id).first()
    if material:
        for key, value in updates.items():
            setattr(material, key, value)
        db.commit()
        db.refresh(material)
    return material


def delete_material(db, material_id: int):
    material = db.query(TMaterial).filter(TMaterial.id == material_id).first()
    if material:
        db.delete(material)
        db.commit()
    return material