import uuid
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy import select
from sqlalchemy.orm import Session
from app.models.database import get_db, Tenant
from app.dependencies.admin_auth import require_admin_jwt
from app.schemas.admin_settings import GoLiveRequest, TenantSettingsUpdate, TenantResponse

router = APIRouter(prefix="/admin", tags=["admin"])


@router.patch("/go-live", response_model=TenantResponse)
def patch_admin_go_live(
    request: GoLiveRequest,
    tenant_id: uuid.UUID = Depends(require_admin_jwt),
    db: Session = Depends(get_db)
):
    tenant = db.scalar(select(Tenant).where(Tenant.id == tenant_id))
    if not tenant:
        raise HTTPException(status_code=404, detail="Tenant not found")

    tenant.is_active = request.is_active
    db.commit()
    db.refresh(tenant)
    return tenant


@router.put("/settings", response_model=TenantResponse)
def put_admin_settings(
    request: TenantSettingsUpdate,
    tenant_id: uuid.UUID = Depends(require_admin_jwt),
    db: Session = Depends(get_db)
):
    tenant = db.scalar(select(Tenant).where(Tenant.id == tenant_id))
    if not tenant:
        raise HTTPException(status_code=404, detail="Tenant not found")

    if request.name is not None:
        tenant.name = request.name
    if request.website_url is not None:
        tenant.website_url = str(request.website_url)

    if tenant.customization is None:
        tenant.customization = {}

    customization_update = {}
    if request.industry is not None:
        customization_update["industry"] = request.industry
    if request.timezone is not None:
        customization_update["timezone"] = request.timezone
    if request.chatbot_name is not None:
        customization_update["chatbot_name"] = request.chatbot_name
    if request.chatbot_greeting is not None:
        customization_update["chatbot_greeting"] = request.chatbot_greeting

    if customization_update:
        # SQLAlchemy requires a new dict object for JSON column mutation tracking
        new_customization = dict(tenant.customization)
        new_customization.update(customization_update)
        tenant.customization = new_customization

    if "backup_email" in request.model_fields_set:
        tenant.backup_email = str(request.backup_email) if request.backup_email else None

    db.commit()
    db.refresh(tenant)
    return tenant