# app/api/v1/vendor/onboarding.py
"""
Vendor onboarding API endpoints.

Provides endpoints for the 4-step mandatory onboarding wizard:
1. Company Profile Setup
2. Letzshop API Configuration
3. Product & Order Import Configuration
4. Order Sync (historical import)

Vendor Context: Uses token_vendor_id from JWT token (authenticated vendor API pattern).
"""

import logging

from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session

from app.api.deps import get_current_vendor_api
from app.core.database import get_db
from app.services.onboarding_service import OnboardingService
from models.database.user import User
from models.schema.onboarding import (
    CompanyProfileRequest,
    CompanyProfileResponse,
    LetzshopApiConfigRequest,
    LetzshopApiConfigResponse,
    LetzshopApiTestRequest,
    LetzshopApiTestResponse,
    OnboardingStatusResponse,
    OrderSyncCompleteRequest,
    OrderSyncCompleteResponse,
    OrderSyncProgressResponse,
    OrderSyncTriggerRequest,
    OrderSyncTriggerResponse,
    ProductImportConfigRequest,
    ProductImportConfigResponse,
)

router = APIRouter(prefix="/onboarding")
logger = logging.getLogger(__name__)


# =============================================================================
# Status Endpoint
# =============================================================================


@router.get("/status", response_model=OnboardingStatusResponse)
def get_onboarding_status(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get current onboarding status.

    Returns full status including all step completion states and progress.
    """
    service = OnboardingService(db)
    status = service.get_status_response(current_user.token_vendor_id)
    return status


# =============================================================================
# Step 1: Company Profile
# =============================================================================


@router.get("/step/company-profile")
def get_company_profile(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get current company profile data for editing.

    Returns pre-filled data from vendor and company records.
    """
    service = OnboardingService(db)
    return service.get_company_profile_data(current_user.token_vendor_id)


@router.post("/step/company-profile", response_model=CompanyProfileResponse)
def save_company_profile(
    request: CompanyProfileRequest,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Save company profile and complete Step 1.

    Updates vendor and company records with provided data.
    """
    service = OnboardingService(db)
    result = service.complete_company_profile(
        vendor_id=current_user.token_vendor_id,
        company_name=request.company_name,
        brand_name=request.brand_name,
        description=request.description,
        contact_email=request.contact_email,
        contact_phone=request.contact_phone,
        website=request.website,
        business_address=request.business_address,
        tax_number=request.tax_number,
        default_language=request.default_language,
        dashboard_language=request.dashboard_language,
    )
    db.commit()  # Commit at API level for transaction control
    return result


# =============================================================================
# Step 2: Letzshop API Configuration
# =============================================================================


@router.post("/step/letzshop-api/test", response_model=LetzshopApiTestResponse)
def test_letzshop_api(
    request: LetzshopApiTestRequest,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Test Letzshop API connection without saving.

    Use this to validate API key before saving credentials.
    """
    service = OnboardingService(db)
    return service.test_letzshop_api(
        api_key=request.api_key,
        shop_slug=request.shop_slug,
    )


@router.post("/step/letzshop-api", response_model=LetzshopApiConfigResponse)
def save_letzshop_api(
    request: LetzshopApiConfigRequest,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Save Letzshop API credentials and complete Step 2.

    Tests connection first, only saves if successful.
    """
    service = OnboardingService(db)
    result = service.complete_letzshop_api(
        vendor_id=current_user.token_vendor_id,
        api_key=request.api_key,
        shop_slug=request.shop_slug,
        letzshop_vendor_id=request.vendor_id,
    )
    db.commit()  # Commit at API level for transaction control
    return result


# =============================================================================
# Step 3: Product & Order Import Configuration
# =============================================================================


@router.get("/step/product-import")
def get_product_import_config(
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get current product import configuration.

    Returns pre-filled CSV URLs and Letzshop feed settings.
    """
    service = OnboardingService(db)
    return service.get_product_import_config(current_user.token_vendor_id)


@router.post("/step/product-import", response_model=ProductImportConfigResponse)
def save_product_import_config(
    request: ProductImportConfigRequest,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Save product import configuration and complete Step 3.

    At least one CSV URL must be provided.
    """
    service = OnboardingService(db)
    result = service.complete_product_import(
        vendor_id=current_user.token_vendor_id,
        csv_url_fr=request.csv_url_fr,
        csv_url_en=request.csv_url_en,
        csv_url_de=request.csv_url_de,
        default_tax_rate=request.default_tax_rate,
        delivery_method=request.delivery_method,
        preorder_days=request.preorder_days,
    )
    db.commit()  # Commit at API level for transaction control
    return result


# =============================================================================
# Step 4: Order Sync
# =============================================================================


@router.post("/step/order-sync/trigger", response_model=OrderSyncTriggerResponse)
def trigger_order_sync(
    request: OrderSyncTriggerRequest,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Trigger historical order import.

    Creates a background job that imports orders from Letzshop.
    """
    service = OnboardingService(db)
    result = service.trigger_order_sync(
        vendor_id=current_user.token_vendor_id,
        user_id=current_user.id,
        days_back=request.days_back,
        include_products=request.include_products,
    )
    db.commit()  # Commit at API level for transaction control
    return result


@router.get(
    "/step/order-sync/progress/{job_id}",
    response_model=OrderSyncProgressResponse,
)
def get_order_sync_progress(
    job_id: int,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Get order sync job progress.

    Poll this endpoint to show progress bar during import.
    """
    service = OnboardingService(db)
    return service.get_order_sync_progress(
        vendor_id=current_user.token_vendor_id,
        job_id=job_id,
    )


@router.post("/step/order-sync/complete", response_model=OrderSyncCompleteResponse)
def complete_order_sync(
    request: OrderSyncCompleteRequest,
    current_user: User = Depends(get_current_vendor_api),
    db: Session = Depends(get_db),
):
    """
    Mark order sync step as complete.

    Called after the import job finishes (success or failure).
    This also marks the entire onboarding as complete.
    """
    service = OnboardingService(db)
    result = service.complete_order_sync(
        vendor_id=current_user.token_vendor_id,
        job_id=request.job_id,
    )
    db.commit()  # Commit at API level for transaction control
    return result