import logging
from typing import Annotated

import requests
from fastapi import Depends, APIRouter, HTTPException, Request, Response, status

from settings.defaults import Settings, get_settings

router = APIRouter()
logger = logging.getLogger(__name__)

@router.get("/{account_id}", summary="Fetch Mastodon Statuses")
async def get_statuses(account_id: str, request:Request, settings: Annotated[Settings, Depends(get_settings)]):

    if account_id not in settings.mastodon:
        logger.error('Account %s not found', account_id)
        raise HTTPException(status_code=status.HTTP_204_NO_CONTENT, detail="Account not found.")

    mastodon_account = settings.mastodon[account_id]
    mastodon_server = settings.mastodon_server
    mastodon_get_statuses_url = f'{mastodon_server}/api/v1/accounts/{account_id}/statuses'
    token = mastodon_account['token']
    headers = {
        'Authorization': f'Bearer {token}',
        'Content-type': 'application/json',
        'User-Agent': 'Serverless Feed'
    }
    query_params = dict(request.query_params)
    response = requests.get(mastodon_get_statuses_url, headers=headers, params=query_params)
    if response.status_code != 200:
        logger.error('Failed to get statuses', response)
        raise HTTPException(status_code=response.status_code, detail=response.text)

    forwarded_headers = {
        'Content-type': 'application/json',
        'User-Agent': 'Serverless Feed',
        'Access-Control-Allow-Origin': 'https://john.ahlroos.me'
    }

    if 'link' in response.headers:
        forwarded_headers["Access-Control-Expose-Headers"] = 'link'
        forwarded_headers['link'] = response.headers['link'].replace(mastodon_get_statuses_url, str(request.base_url) + 'statuses/' + account_id)

    return Response(content=response.content, status_code=response.status_code, headers=forwarded_headers)