from sqlalchemy import Column, Integer, String, DateTime, Text
from database import Base
import datetime

class User(Base):
    __tablename__ = "users"
    
    username = Column(String(100), primary_key=True, index=True)
    hashed_password = Column(String(255))

class Folder(Base):
    __tablename__ = "folders"
    
    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(100), unique=True, index=True)
    created_at = Column(DateTime, default=datetime.datetime.utcnow)

class File(Base):
    __tablename__ = "files"
    
    id = Column(Integer, primary_key=True, index=True)
    filename = Column(String(255), index=True)
    folder_name = Column(String(100), index=True) # Simple string link to folder name, serving as key
    uploaded_at = Column(DateTime, default=datetime.datetime.utcnow)

class ChatSession(Base):
    __tablename__ = "chat_sessions"
    
    id = Column(Integer, primary_key=True, index=True)
    user_username = Column(String(100), index=True)
    title = Column(String(255))
    created_at = Column(DateTime, default=datetime.datetime.utcnow)

class ChatMessage(Base):
    __tablename__ = "chat_messages"
    
    id = Column(Integer, primary_key=True, index=True)
    session_id = Column(Integer, index=True)
    sender = Column(String(50)) # 'user' or 'bot'
    content = Column(Text)
    is_liked = Column(Integer, default=0) # 0: False, 1: True (Using Integer for simple boolean compatibility)
    timestamp = Column(DateTime, default=datetime.datetime.utcnow)

class DictionaryItem(Base):
    __tablename__ = "dictionary_items"
    
    id = Column(Integer, primary_key=True, index=True)
    term = Column(String(100), unique=True, index=True)
    definition = Column(Text)
    verses = Column(String(255)) # References like "John 3:16"

class DailyBread(Base):
    __tablename__ = "daily_bread"
    
    id = Column(Integer, primary_key=True, index=True)
    book = Column(String(50))
    chapter = Column(Integer)
    verse = Column(String(50))
    end_chapter = Column(Integer, nullable=True)
    end_verse = Column(String(50), nullable=True)
    content = Column(Text)
    keywords = Column(String(255)) # Keywords extracted from content
    user_username = Column(String(100), index=True, nullable=True) # Check ownership. Nullable for migration.
    created_at = Column(DateTime, default=datetime.datetime.utcnow)


class BibleQA(Base):
    __tablename__ = "bible_qa"
    
    id = Column(Integer, primary_key=True, index=True)
    question = Column(Text)
    answer = Column(Text)
    keywords = Column(String(255)) # Comma separated keywords
    created_at = Column(DateTime, default=datetime.datetime.utcnow)

class SundayMessage(Base):
    __tablename__ = "sunday_messages"
    
    id = Column(Integer, primary_key=True, index=True)
    title = Column(String(255))
    filename = Column(String(255))
    content = Column(Text)
    keywords = Column(Text) # Comma separated keywords
    uploaded_at = Column(DateTime, default=datetime.datetime.utcnow)