from typing import Optional, List
from models import db, Tenant, FormConfig, Submission, UserRole, TenantStatus
from models import AuditLog
import uuid
import logging

logger = logging.getLogger(__name__)

class TenantAdminService:
    @staticmethod
    def get_tenants(user):
        if user.role == UserRole.ADMIN:
            return Tenant.query.order_by(Tenant.created_at.desc()).all()
        return user.tenants if user else []

    @staticmethod
    def create_tenant(name, public_key, allowed_origins, status, user):
        tenant_id = f'tenant_{name.lower().replace(" ", "_")}_{str(uuid.uuid4())[:8]}'
        tenant = Tenant(
            id=tenant_id,
            name=name,
            public_key=public_key or str(uuid.uuid4()).hex[:32],
            allowed_origins=allowed_origins,
            status=TenantStatus(status) if status in [s.value for s in TenantStatus] else TenantStatus.ACTIVE
        )
        db.session.add(tenant)
        db.session.commit()

        AuditLog.log_action(
            action='create',
            resource_type='tenant',
            user=user,
            resource_id=tenant.id,
            details={'name': name, 'public_key': public_key}
        )
        return tenant

    @staticmethod
    def update_tenant(tenant, name, public_key, allowed_origins, status, user):
        tenant.name = name if name else tenant.name
        tenant.public_key = public_key if public_key else tenant.public_key
        tenant.allowed_origins = allowed_origins if allowed_origins else tenant.allowed_origins
        if status in [s.value for s in TenantStatus]:
            tenant.status = TenantStatus(status)
        db.session.commit()

        AuditLog.log_action(
            action='update',
            resource_type='tenant',
            user=user,
            resource_id=tenant.id,
            details={'name': tenant.name, 'status': tenant.status.value}
        )

    @staticmethod
    def delete_tenant(tenant, user):
        db.session.delete(tenant)
        db.session.commit()

        AuditLog.log_action(
            action='delete',
            resource_type='tenant',
            user=user,
            resource_id=tenant.id,
            details={'name': tenant.name}
        )