"""Campaign APIs — Phase 7.0 shell."""
from __future__ import annotations

from uuid import UUID

from fastapi import APIRouter, Depends, status
from sqlalchemy.ext.asyncio import AsyncSession

from app.api.deps import get_db, get_pagination, require_tenant
from app.api.permissions import require_permissions
from app.permissions.definitions import (
    LOYALTY_CAMPAIGNS_CREATE,
    LOYALTY_CAMPAIGNS_DELETE,
    LOYALTY_CAMPAIGNS_UPDATE,
    LOYALTY_CAMPAIGNS_VIEW,
)
from app.schemas.foundation import CampaignCreate, CampaignRead, CampaignUpdate
from app.services.foundation import CampaignService
from shared.pagination import PaginationParams
from shared.security import CurrentUser

router = APIRouter()


@router.post("", response_model=CampaignRead, status_code=status.HTTP_201_CREATED)
async def create_campaign(
    body: CampaignCreate,
    tenant_id: UUID = Depends(require_tenant),
    db: AsyncSession = Depends(get_db),
    user: CurrentUser = Depends(require_permissions(LOYALTY_CAMPAIGNS_CREATE)),
):
    return await CampaignService(db).create(tenant_id, body, actor=user)


@router.get("", response_model=list[CampaignRead])
async def list_campaigns(
    tenant_id: UUID = Depends(require_tenant),
    pagination: PaginationParams = Depends(get_pagination),
    db: AsyncSession = Depends(get_db),
    _user: CurrentUser = Depends(require_permissions(LOYALTY_CAMPAIGNS_VIEW)),
):
    return await CampaignService(db).list(
        tenant_id, offset=pagination.offset, limit=pagination.page_size
    )


@router.get("/{campaign_id}", response_model=CampaignRead)
async def get_campaign(
    campaign_id: UUID,
    tenant_id: UUID = Depends(require_tenant),
    db: AsyncSession = Depends(get_db),
    _user: CurrentUser = Depends(require_permissions(LOYALTY_CAMPAIGNS_VIEW)),
):
    return await CampaignService(db).get(tenant_id, campaign_id)


@router.patch("/{campaign_id}", response_model=CampaignRead)
async def update_campaign(
    campaign_id: UUID,
    body: CampaignUpdate,
    tenant_id: UUID = Depends(require_tenant),
    db: AsyncSession = Depends(get_db),
    user: CurrentUser = Depends(require_permissions(LOYALTY_CAMPAIGNS_UPDATE)),
):
    return await CampaignService(db).update(
        tenant_id, campaign_id, body, actor=user
    )


@router.post("/{campaign_id}/delete", response_model=CampaignRead)
async def soft_delete_campaign(
    campaign_id: UUID,
    tenant_id: UUID = Depends(require_tenant),
    db: AsyncSession = Depends(get_db),
    user: CurrentUser = Depends(require_permissions(LOYALTY_CAMPAIGNS_DELETE)),
):
    return await CampaignService(db).soft_delete(
        tenant_id, campaign_id, actor=user
    )