"""Supabase API client utility for making REST API calls."""

import logging
from typing import Any

import httpx

from app.core.config import settings

logger = logging.getLogger(__name__)


class SupabaseAPIError(Exception):
    """Exception raised when Supabase API call fails."""

    pass


async def upsert_to_supabase(
    table: str,
    data: list[dict[str, Any]],
    on_conflict: str | None = None,
) -> dict[str, Any]:
    """
    Upsert data to Supabase table via REST API.

    Args:
        table: Table name (e.g., "raw_opd_checkpoint")
        data: List of records to upsert
        on_conflict: Columns to use for conflict resolution (e.g., "hn,vn,location")

    Returns:
        Response from Supabase API

    Raises:
        SupabaseAPIError: If the API call fails
    """
    url = f"{settings.SUPABASE_API_URL}/rest/v1/{table}"
    headers = {
        "apikey": settings.SUPABASE_API_KEY,
        "Authorization": f"Bearer {settings.SUPABASE_API_KEY}",
        "Content-Type": "application/json",
        "Prefer": "resolution=merge-duplicates",
    }

    if on_conflict:
        headers["Prefer"] += f",on_conflict={on_conflict}"

    try:
        async with httpx.AsyncClient(timeout=30.0) as client:
            response = await client.post(url, json=data, headers=headers)
            response.raise_for_status()
            return {
                "status": "success",
                "status_code": response.status_code,
                "data": response.json() if response.text else None,
            }
    except httpx.HTTPStatusError as e:
        error_msg = f"Supabase API error: {e.response.status_code} - {e.response.text}"
        logger.error(error_msg)
        raise SupabaseAPIError(error_msg) from e
    except httpx.RequestError as e:
        error_msg = f"Supabase API request failed: {str(e)}"
        logger.error(error_msg)
        raise SupabaseAPIError(error_msg) from e
    except Exception as e:
        error_msg = f"Unexpected error calling Supabase API: {str(e)}"
        logger.error(error_msg)
        raise SupabaseAPIError(error_msg) from e


def upsert_to_supabase_sync(
    table: str,
    data: list[dict[str, Any]],
    on_conflict: str | None = None,
) -> dict[str, Any]:
    """
    Synchronous version of upsert_to_supabase.

    Args:
        table: Table name (e.g., "raw_opd_checkpoint")
        data: List of records to upsert
        on_conflict: Columns to use for conflict resolution (e.g., "hn,vn,location")

    Returns:
        Response from Supabase API

    Raises:
        SupabaseAPIError: If the API call fails
    """
    url = f"{settings.SUPABASE_API_URL}/rest/v1/{table}"
    headers = {
        "apikey": settings.SUPABASE_API_KEY,
        "Authorization": f"Bearer {settings.SUPABASE_API_KEY}",
        "Content-Type": "application/json",
        "Prefer": "resolution=merge-duplicates",
    }

    if on_conflict:
        headers["Prefer"] += f",on_conflict={on_conflict}"

    try:
        with httpx.Client(timeout=30.0) as client:
            response = client.post(url, json=data, headers=headers)
            response.raise_for_status()
            return {
                "status": "success",
                "status_code": response.status_code,
                "data": response.json() if response.text else None,
            }
    except httpx.HTTPStatusError as e:
        error_msg = f"Supabase API error: {e.response.status_code} - {e.response.text}"
        logger.error(error_msg)
        raise SupabaseAPIError(error_msg) from e
    except httpx.RequestError as e:
        error_msg = f"Supabase API request failed: {str(e)}"
        logger.error(error_msg)
        raise SupabaseAPIError(error_msg) from e
    except Exception as e:
        error_msg = f"Unexpected error calling Supabase API: {str(e)}"
        logger.error(error_msg)
        raise SupabaseAPIError(error_msg) from e