from sqlalchemy import Column, Integer, String, DateTime, Float, ForeignKey
from sqlalchemy.orm import relationship
from .database import Base
import datetime


class DuplicateReport(Base):
    __tablename__ = "duplicate_reports"

    id = Column(Integer, primary_key=True, index=True)
    created_at = Column(DateTime, default=datetime.datetime.utcnow)
    status = Column(String)
    groups = relationship("DuplicateFileGroup", back_populates="report")


class VideoFile(Base):
    __tablename__ = "video_files"

    id = Column(Integer, primary_key=True, index=True)
    filepath = Column(String, unique=True, index=True)
    filename = Column(String)
    size = Column(Integer)
    duration = Column(Float)
    phash = Column(String)
    contact_sheet_path = Column(String, nullable=True)
    scene_phash = Column(String, nullable=True)


class DuplicateFileGroup(Base):
    __tablename__ = "duplicate_file_groups"

    id = Column(Integer, primary_key=True, index=True)
    report_id = Column(Integer, ForeignKey("duplicate_reports.id"))
    score = Column(Float)
    report = relationship("DuplicateReport", back_populates="groups")
    files = relationship("DuplicateFile", back_populates="group")


class DuplicateFile(Base):
    __tablename__ = "duplicate_files"

    id = Column(Integer, primary_key=True, index=True)
    group_id = Column(Integer, ForeignKey("duplicate_file_groups.id"))
    video_file_id = Column(Integer, ForeignKey("video_files.id"))
    group = relationship("DuplicateFileGroup", back_populates="files")
    video_file = relationship("VideoFile")


class TaskHistory(Base):
    __tablename__ = "task_history"

    id = Column(Integer, primary_key=True, index=True)
    task_id = Column(String, index=True) # Huey Task ID
    name = Column(String)
    status = Column(String) # running, success, failed
    start_time = Column(DateTime, default=datetime.datetime.utcnow)
    end_time = Column(DateTime, nullable=True)
    details = Column(String, nullable=True)