"""
Pydantic schemas for WordPress Integration API endpoints.
"""

from datetime import datetime
from typing import Any, List, Optional

from pydantic import BaseModel, Field


class VerifySessionRequest(BaseModel):
    """Request schema for verifying WordPress session."""
    
    wp_user_id: str = Field(..., description="WordPress user ID")
    token: str = Field(..., description="WordPress JWT authentication token")
    website_id: int = Field(..., description="Website identifier")


class WordPressUserResponse(BaseModel):
    """Response schema for WordPress user data."""
    
    id: int = Field(..., description="Local database user ID")
    wp_user_id: str = Field(..., description="WordPress user ID")
    website_id: int = Field(..., description="Website identifier")
    created_at: datetime = Field(..., description="User creation timestamp")
    updated_at: datetime = Field(..., description="User last update timestamp")

    model_config = {"from_attributes": True}


class VerifySessionResponse(BaseModel):
    """Response schema for session verification."""
    
    valid: bool = Field(..., description="Whether the session is valid")
    user: Optional[WordPressUserResponse] = Field(
        default=None, description="User data if session is valid"
    )
    error: Optional[str] = Field(
        default=None, description="Error message if session is invalid"
    )
    wp_user_info: Optional[dict[str, Any]] = Field(
        default=None, description="WordPress user info from API"
    )


class SyncUsersRequest(BaseModel):
    """Request schema for user synchronization (optional body)."""
    
    pass


class SyncStatsResponse(BaseModel):
    """Response schema for user synchronization statistics."""
    
    inserted: int = Field(..., description="Number of users inserted")
    updated: int = Field(..., description="Number of users updated")
    total: int = Field(..., description="Total users processed")
    errors: int = Field(default=0, description="Number of errors during sync")


class SyncUsersResponse(BaseModel):
    """Response schema for user synchronization."""
    
    synced: SyncStatsResponse = Field(..., description="Synchronization statistics")
    website_id: int = Field(..., description="Website identifier")
    message: str = Field(default="Sync completed", description="Status message")


class UserListResponse(BaseModel):
    """Response schema for paginated user list."""
    
    users: List[WordPressUserResponse] = Field(..., description="List of users")
    total: int = Field(..., description="Total number of users")
    page: int = Field(default=1, description="Current page number")
    page_size: int = Field(default=50, description="Number of users per page")
    total_pages: int = Field(default=1, description="Total number of pages")


class WordPressErrorDetail(BaseModel):
    """Detail schema for WordPress errors."""
    
    code: str = Field(..., description="Error code")
    message: str = Field(..., description="Error message")
    details: Optional[dict[str, Any]] = Field(
        default=None, description="Additional error details"
    )