from sqlalchemy import Column, Integer, Float, String, DateTime, Boolean, JSON, ForeignKey, Enum as SQLEnum
from enum import Enum
from sqlalchemy import Enum as SQLAlchemyEnum
from sqlalchemy.orm import relationship, backref
from datetime import datetime
from sqlalchemy.ext.declarative import declarative_base
from database import Base




class AnalysisStatus(str, Enum):
    PENDING = "pending"        # 분석 대기 중
    PROCESSING = "processing"  # 분석 진행 중
    COMPARING = "comparing"    # 분석 결과 비교 중
    COMPLETED = "completed"    # 분석 완료
    FAILED = "failed"         # 분석 실패

class Music_Analysis(Base):  # Music 간 분석 관계를 나타내는 테이블
    __tablename__ = "music_analysis"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    user = relationship("User", back_populates="music_analysis")
    music1_id = Column(Integer, ForeignKey("musics.id"), nullable=False)  # 첫 번째 Music
    music2_id = Column(Integer, ForeignKey("musics.id"), nullable=False)  # 두 번째 Music

    analysis_results = relationship("Analysis_Result", back_populates="music_analysis", cascade="all, delete-orphan")
    compare_results = relationship("Compare_Result", back_populates="music_analysis", cascade="all, delete-orphan")
    music1 = relationship("Music", foreign_keys=[music1_id])  # 관계 정의
    music2 = relationship("Music", foreign_keys=[music2_id])  # 관계 정의
    requested_at = Column(DateTime, default=datetime.utcnow)  # 요청 시간
    status = Column(SQLAlchemyEnum(AnalysisStatus), default=AnalysisStatus.COMPLETED)
    progress = Column(Float, default=0.0)  # 1대1 분석 진행률. 야매로 넣습니다
    deleted = Column(Boolean, default=False)  # 삭제 여부


    def __repr__(self):
        return f"<MusicAnalysis(id={self.id}, music1_id={self.music1_id}, music2_id={self.music2_id}')>"
    
    @property
    def user_name(self):
        return self.user.user_info.name if self.user and self.user.user_info else None

    @property
    def music1_title(self):
        return self.music1.title if self.music1 else None
    
    @property
    def music2_title(self):
        return self.music2.title if self.music2 else None
    
    def __repr__(self):
        return f"<MusicAnalysis(id={self.id}, music1_id={self.music1_id}, music2_id={self.music2_id}')>"

class Analysis_Result(Base):
    __tablename__ = "analysis_results"

    id = Column(Integer, primary_key=True, index=True)
    analysis_id = Column(Integer, ForeignKey("music_analysis.id"), nullable=False)  # Music_Analysis와의 외래 키 관계
    music_analysis = relationship("Music_Analysis", back_populates="analysis_results")

    requested_at = Column(DateTime, default=datetime.utcnow)  # 요청 시간
    music1_json_path = Column(String)  # 첫 번째 Music JSON 파일 경로
    music2_json_path = Column(String)  # 두 번째 Music JSON 파일 경로
    

    def __repr__(self):
        return f"<AnalysisResult(id={self.id}, analysis_id={self.analysis_id})>"

class Compare_Result(Base):
    __tablename__ = "compare_results"

    id = Column(Integer, primary_key=True, index=True)
    analysis_id = Column(Integer, ForeignKey("music_analysis.id"), nullable=False)  # Music_Analysis와의 외래 키 관계
    music_analysis = relationship("Music_Analysis", back_populates="compare_results")  # 여기를 수정

    requested_at = Column(DateTime, default=datetime.utcnow)  # 요청 시간
    compare_result_path = Column(String)  # 분석 결과 파일 경로

    def __repr__(self):
        return f"<CompareResult(id={self.id}, music_analysis_id={self.analysis_id})>"