# models/schema/onboarding.py
"""
Pydantic schemas for Vendor Onboarding operations.

Schemas include:
- OnboardingStatusResponse: Current onboarding status with all step states
- CompanyProfileRequest/Response: Step 1 - Company profile data
- LetzshopApiConfigRequest/Response: Step 2 - API configuration
- ProductImportConfigRequest/Response: Step 3 - CSV URL configuration
- OrderSyncTriggerResponse: Step 4 - Job trigger response
- OrderSyncProgressResponse: Step 4 - Progress polling response
"""

from datetime import datetime

from pydantic import BaseModel, ConfigDict, Field


# =============================================================================
# STEP STATUS MODELS
# =============================================================================


class StepStatus(BaseModel):
    """Status for a single onboarding step."""

    completed: bool = False
    completed_at: datetime | None = None


class CompanyProfileStepStatus(StepStatus):
    """Step 1 status with saved data."""

    data: dict | None = None


class LetzshopApiStepStatus(StepStatus):
    """Step 2 status with connection verification."""

    connection_verified: bool = False


class ProductImportStepStatus(StepStatus):
    """Step 3 status with CSV URL flag."""

    csv_url_set: bool = False


class OrderSyncStepStatus(StepStatus):
    """Step 4 status with job tracking."""

    job_id: int | None = None


# =============================================================================
# ONBOARDING STATUS RESPONSE
# =============================================================================


class OnboardingStatusResponse(BaseModel):
    """Full onboarding status with all step information."""

    model_config = ConfigDict(from_attributes=True)

    id: int
    vendor_id: int
    status: str  # not_started, in_progress, completed, skipped
    current_step: str  # company_profile, letzshop_api, product_import, order_sync

    # Step statuses
    company_profile: CompanyProfileStepStatus
    letzshop_api: LetzshopApiStepStatus
    product_import: ProductImportStepStatus
    order_sync: OrderSyncStepStatus

    # Progress tracking
    completion_percentage: int
    completed_steps_count: int
    total_steps: int = 4

    # Completion info
    is_completed: bool
    started_at: datetime | None = None
    completed_at: datetime | None = None

    # Admin override info
    skipped_by_admin: bool = False
    skipped_at: datetime | None = None
    skipped_reason: str | None = None


# =============================================================================
# STEP 1: COMPANY PROFILE
# =============================================================================


class CompanyProfileRequest(BaseModel):
    """Request to save company profile during onboarding Step 1."""

    # Company name is already set during signup, but can be updated
    company_name: str | None = Field(None, min_length=2, max_length=255)

    # Vendor/brand name
    brand_name: str | None = Field(None, min_length=2, max_length=255)
    description: str | None = Field(None, max_length=2000)

    # Contact information
    contact_email: str | None = Field(None, max_length=255)
    contact_phone: str | None = Field(None, max_length=50)
    website: str | None = Field(None, max_length=255)
    business_address: str | None = Field(None, max_length=500)
    tax_number: str | None = Field(None, max_length=100)

    # Language preferences
    default_language: str = Field("fr", pattern="^(en|fr|de|lb)$")
    dashboard_language: str = Field("fr", pattern="^(en|fr|de|lb)$")


class CompanyProfileResponse(BaseModel):
    """Response after saving company profile."""

    success: bool
    step_completed: bool
    next_step: str | None = None
    message: str | None = None


# =============================================================================
# STEP 2: LETZSHOP API CONFIGURATION
# =============================================================================


class LetzshopApiConfigRequest(BaseModel):
    """Request to configure Letzshop API credentials."""

    api_key: str = Field(..., min_length=10, description="Letzshop API key")
    shop_slug: str = Field(
        ...,
        min_length=2,
        max_length=100,
        description="Letzshop shop URL slug (e.g., 'my-shop')",
    )
    vendor_id: str | None = Field(
        None,
        max_length=100,
        description="Letzshop vendor ID (optional, auto-detected if not provided)",
    )


class LetzshopApiTestRequest(BaseModel):
    """Request to test Letzshop API connection."""

    api_key: str = Field(..., min_length=10)
    shop_slug: str = Field(..., min_length=2, max_length=100)


class LetzshopApiTestResponse(BaseModel):
    """Response from Letzshop API connection test."""

    success: bool
    message: str
    vendor_name: str | None = None
    vendor_id: str | None = None
    shop_slug: str | None = None


class LetzshopApiConfigResponse(BaseModel):
    """Response after saving Letzshop API configuration."""

    success: bool
    step_completed: bool
    next_step: str | None = None
    message: str | None = None
    connection_verified: bool = False


# =============================================================================
# STEP 3: PRODUCT & ORDER IMPORT CONFIGURATION
# =============================================================================


class ProductImportConfigRequest(BaseModel):
    """Request to configure product import settings."""

    # CSV feed URLs for each language
    csv_url_fr: str | None = Field(None, max_length=500)
    csv_url_en: str | None = Field(None, max_length=500)
    csv_url_de: str | None = Field(None, max_length=500)

    # Letzshop feed settings
    default_tax_rate: int = Field(
        17,
        ge=0,
        le=17,
        description="Default VAT rate: 0, 3, 8, 14, or 17",
    )
    delivery_method: str = Field(
        "package_delivery",
        description="Delivery method: nationwide, package_delivery, self_collect",
    )
    preorder_days: int = Field(1, ge=0, le=30)


class ProductImportConfigResponse(BaseModel):
    """Response after saving product import configuration."""

    success: bool
    step_completed: bool
    next_step: str | None = None
    message: str | None = None
    csv_urls_configured: int = 0


# =============================================================================
# STEP 4: ORDER SYNC
# =============================================================================


class OrderSyncTriggerRequest(BaseModel):
    """Request to trigger historical order import."""

    # How far back to import orders (days)
    days_back: int = Field(90, ge=1, le=365, description="Days of order history to import")
    include_products: bool = Field(True, description="Also import products from Letzshop")


class OrderSyncTriggerResponse(BaseModel):
    """Response after triggering order sync job."""

    success: bool
    message: str
    job_id: int | None = None
    estimated_duration_minutes: int | None = None


class OrderSyncProgressResponse(BaseModel):
    """Response for order sync progress polling."""

    job_id: int
    status: str  # pending, running, completed, failed
    progress_percentage: int = 0
    current_phase: str | None = None  # products, orders, finalizing

    # Counts
    orders_imported: int = 0
    orders_total: int | None = None
    products_imported: int = 0

    # Timing
    started_at: datetime | None = None
    completed_at: datetime | None = None
    estimated_remaining_seconds: int | None = None

    # Error info if failed
    error_message: str | None = None


class OrderSyncCompleteRequest(BaseModel):
    """Request to mark order sync as complete."""

    job_id: int


class OrderSyncCompleteResponse(BaseModel):
    """Response after completing order sync step."""

    success: bool
    step_completed: bool
    onboarding_completed: bool = False
    message: str | None = None
    redirect_url: str | None = None


# =============================================================================
# ADMIN SKIP
# =============================================================================


class OnboardingSkipRequest(BaseModel):
    """Request to skip onboarding (admin only)."""

    reason: str = Field(..., min_length=10, max_length=500)


class OnboardingSkipResponse(BaseModel):
    """Response after skipping onboarding."""

    success: bool
    message: str
    vendor_id: int
    skipped_at: datetime