from sqlalchemy import Column, Integer, String, ForeignKey, DateTime, Boolean, JSON
from sqlalchemy.orm import relationship
from datetime import datetime
from app.database import Base

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True)
    email = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    credits = Column(Integer, default=10)
    is_premium = Column(Boolean, default=False)
    avatar_url = Column(String, nullable=True)
    reset_token = Column(String, nullable=True)
    reset_token_expires = Column(DateTime, nullable=True)
    
    devices = relationship("Device", back_populates="user")
    tasks = relationship("Task", back_populates="user")
    groups = relationship("UserGroup", back_populates="user")
    credit_transactions = relationship("CreditTransaction", back_populates="user", cascade="all, delete-orphan")

class Device(Base):
    __tablename__ = "devices"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    device_id = Column(String, index=True)
    name = Column(String)
    registered_at = Column(DateTime, default=datetime.utcnow)
    last_active = Column(DateTime, default=datetime.utcnow)

    user = relationship("User", back_populates="devices")

class CreditTransaction(Base):
    __tablename__ = "credit_transactions"

    id = Column(Integer, primary_key=True, index=True)
    user_id = Column(Integer, ForeignKey("users.id"))
    amount = Column(Integer)
    concept = Column(String)
    reference_id = Column(String, nullable=True)
    created_at = Column(DateTime, default=datetime.utcnow)

    user = relationship("User", back_populates="credit_transactions")


class SystemNotification(Base):
    __tablename__ = "system_notifications"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String, index=True)
    message = Column(String)
    created_at = Column(DateTime, default=datetime.utcnow)


class AdminUser(Base):
    __tablename__ = "admin_users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String, unique=True, index=True)
    hashed_password = Column(String)
    avatar_url = Column(String, nullable=True)
    perm_users = Column(Boolean, default=True)
    perm_workers = Column(Boolean, default=True)
    perm_churches = Column(Boolean, default=True)
    perm_groups = Column(Boolean, default=True)
    perm_notifications = Column(Boolean, default=True)
    created_at = Column(DateTime, default=datetime.utcnow)


class AdminNotification(Base):
    __tablename__ = "admin_notifications"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String, index=True)
    message = Column(String)
    created_at = Column(DateTime, default=datetime.utcnow)
    read = Column(Boolean, default=False)


class LandingFeature(Base):
    __tablename__ = "landing_features"

    id = Column(Integer, primary_key=True, index=True)
    icon_svg = Column(String, nullable=True)
    icon_color = Column(String, default="cyan")  # cyan | purple | green | blue | yellow | red
    title = Column(String)
    description = Column(String)
    order = Column(Integer, default=0)


class LandingPlatform(Base):
    __tablename__ = "landing_platforms"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String, nullable=False)
    version = Column(String, nullable=True)
    os_details = Column(String, nullable=True)
    description = Column(String, nullable=True)
    download_url = Column(String, nullable=True)
    button_text = Column(String, nullable=True)
    os_type = Column(String, default="windows")  # windows | android | apple
    is_visible = Column(Boolean, default=True)
    order = Column(Integer, default=0)


class LandingTutorial(Base):
    __tablename__ = "landing_tutorials"

    id = Column(Integer, primary_key=True, index=True)
    title = Column(String, nullable=False)
    desc = Column(String, nullable=True)
    steps = Column(JSON, default=[])  # list of strings
    order = Column(Integer, default=0)


class LandingGalleryItem(Base):
    __tablename__ = "landing_gallery"

    id = Column(Integer, primary_key=True, index=True)
    image_url = Column(String, nullable=False)
    caption = Column(String, nullable=True)
    order = Column(Integer, default=0)