from sqlalchemy import (
    Boolean,
    Column,
    Integer,
    String,
    DateTime,
    Text,
    ForeignKey,
    Enum,
)
from sqlalchemy.orm import relationship
from sqlalchemy.sql import func
from app.db.base import Base
import enum


class PrayerPrivacyLevel(enum.Enum):
    PUBLIC = "public"
    CONNECTIONS_ONLY = "connections_only"
    MINISTRY_ONLY = "ministry_only"
    PRIVATE = "private"


class PrayerStatus(enum.Enum):
    ACTIVE = "active"
    ANSWERED = "answered"
    CLOSED = "closed"


class PrayerCategory(enum.Enum):
    HEALTH = "health"
    FAMILY = "family"
    FINANCES = "finances"
    RELATIONSHIPS = "relationships"
    WORK = "work"
    SPIRITUAL = "spiritual"
    CHURCH = "church"
    WORLD = "world"
    OTHER = "other"


class PrayerRequest(Base):
    __tablename__ = "prayer_requests"

    id = Column(Integer, primary_key=True, index=True)
    requester_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    title = Column(String, nullable=False)
    description = Column(Text, nullable=False)
    category = Column(Enum(PrayerCategory), default=PrayerCategory.OTHER)
    privacy_level = Column(Enum(PrayerPrivacyLevel), default=PrayerPrivacyLevel.PUBLIC)
    status = Column(Enum(PrayerStatus), default=PrayerStatus.ACTIVE)
    ministry_id = Column(Integer, ForeignKey("ministries.id"), nullable=True)
    is_anonymous = Column(Boolean, default=False)
    answer_description = Column(Text, nullable=True)
    answered_at = Column(DateTime, nullable=True)
    created_at = Column(DateTime, nullable=False, default=func.now())
    updated_at = Column(
        DateTime, nullable=False, default=func.now(), onupdate=func.now()
    )

    # Relationships
    requester = relationship("User", back_populates="prayer_requests")
    ministry = relationship("Ministry")
    prayers = relationship(
        "Prayer", back_populates="prayer_request", cascade="all, delete-orphan"
    )


class Prayer(Base):
    __tablename__ = "prayers"

    id = Column(Integer, primary_key=True, index=True)
    prayer_request_id = Column(
        Integer, ForeignKey("prayer_requests.id"), nullable=False
    )
    prayer_warrior_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    message = Column(Text, nullable=True)
    prayed_at = Column(DateTime, nullable=False, default=func.now())

    # Relationships
    prayer_request = relationship("PrayerRequest", back_populates="prayers")
    prayer_warrior = relationship("User")


class PrayerGroup(Base):
    __tablename__ = "prayer_groups"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    description = Column(Text, nullable=True)
    leader_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime, nullable=False, default=func.now())

    # Relationships
    leader = relationship("User")
    members = relationship(
        "PrayerGroupMember", back_populates="prayer_group", cascade="all, delete-orphan"
    )


class PrayerGroupMember(Base):
    __tablename__ = "prayer_group_members"

    id = Column(Integer, primary_key=True, index=True)
    prayer_group_id = Column(Integer, ForeignKey("prayer_groups.id"), nullable=False)
    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
    joined_at = Column(DateTime, nullable=False, default=func.now())

    # Relationships
    prayer_group = relationship("PrayerGroup", back_populates="members")
    user = relationship("User")