# app/modules/tenancy/services/team_service.py
"""
Team service for store team management.

This module provides:
- Team member invitation
- Role management
- Team member CRUD operations
"""

import logging
from datetime import UTC, datetime
from typing import Any

from sqlalchemy.orm import Session

from app.exceptions import ValidationException
from app.modules.tenancy.models import Role, StoreUser, User

logger = logging.getLogger(__name__)


class TeamService:
    """Service for team management operations."""

    def get_team_members(
        self, db: Session, store_id: int, current_user: User
    ) -> list[dict[str, Any]]:
        """
        Get all team members for store.

        Args:
            db: Database session
            store_id: Store ID
            current_user: Current user

        Returns:
            List of team members
        """
        try:
            store_users = (
                db.query(StoreUser)
                .filter(StoreUser.store_id == store_id, StoreUser.is_active == True)
                .all()
            )

            members = []
            for vu in store_users:
                members.append(
                    {
                        "id": vu.user_id,
                        "email": vu.user.email,
                        "first_name": vu.user.first_name,
                        "last_name": vu.user.last_name,
                        "role": vu.role.name,
                        "role_id": vu.role_id,
                        "is_active": vu.is_active,
                        "joined_at": vu.created_at,
                    }
                )

            return members

        except Exception as e:
            logger.error(f"Error getting team members: {str(e)}")
            raise ValidationException("Failed to retrieve team members")

    def invite_team_member(
        self, db: Session, store_id: int, invitation_data: dict, current_user: User
    ) -> dict[str, Any]:
        """
        Invite a new team member.

        Args:
            db: Database session
            store_id: Store ID
            invitation_data: Invitation details
            current_user: Current user

        Returns:
            Invitation result
        """
        try:
            # TODO: Implement full invitation flow with email
            # For now, return placeholder
            return {
                "message": "Team invitation feature coming soon",
                "email": invitation_data.get("email"),
                "role": invitation_data.get("role"),
            }

        except Exception as e:
            logger.error(f"Error inviting team member: {str(e)}")
            raise ValidationException("Failed to invite team member")

    def update_team_member(
        self,
        db: Session,
        store_id: int,
        user_id: int,
        update_data: dict,
        current_user: User,
    ) -> dict[str, Any]:
        """
        Update team member role or status.

        Args:
            db: Database session
            store_id: Store ID
            user_id: User ID to update
            update_data: Update data
            current_user: Current user

        Returns:
            Updated member info
        """
        try:
            store_user = (
                db.query(StoreUser)
                .filter(
                    StoreUser.store_id == store_id, StoreUser.user_id == user_id
                )
                .first()
            )

            if not store_user:
                raise ValidationException("Team member not found")

            # Update fields
            if "role_id" in update_data:
                store_user.role_id = update_data["role_id"]

            if "is_active" in update_data:
                store_user.is_active = update_data["is_active"]

            store_user.updated_at = datetime.now(UTC)
            db.flush()
            db.refresh(store_user)

            return {
                "message": "Team member updated successfully",
                "user_id": user_id,
            }

        except Exception as e:
            logger.error(f"Error updating team member: {str(e)}")
            raise ValidationException("Failed to update team member")

    def remove_team_member(
        self, db: Session, store_id: int, user_id: int, current_user: User
    ) -> bool:
        """
        Remove team member from store.

        Args:
            db: Database session
            store_id: Store ID
            user_id: User ID to remove
            current_user: Current user

        Returns:
            True if removed
        """
        try:
            store_user = (
                db.query(StoreUser)
                .filter(
                    StoreUser.store_id == store_id, StoreUser.user_id == user_id
                )
                .first()
            )

            if not store_user:
                raise ValidationException("Team member not found")

            # Soft delete
            store_user.is_active = False
            store_user.updated_at = datetime.now(UTC)

            logger.info(f"Removed user {user_id} from store {store_id}")
            return True

        except Exception as e:
            logger.error(f"Error removing team member: {str(e)}")
            raise ValidationException("Failed to remove team member")

    def get_store_roles(self, db: Session, store_id: int) -> list[dict[str, Any]]:
        """
        Get available roles for store.

        Args:
            db: Database session
            store_id: Store ID

        Returns:
            List of roles
        """
        try:
            roles = db.query(Role).filter(Role.store_id == store_id).all()

            return [
                {
                    "id": role.id,
                    "name": role.name,
                    "permissions": role.permissions,
                }
                for role in roles
            ]

        except Exception as e:
            logger.error(f"Error getting store roles: {str(e)}")
            raise ValidationException("Failed to retrieve roles")


# Create service instance
team_service = TeamService()