"""Account management API endpoints."""
from fastapi import APIRouter, HTTPException
from pydantic import BaseModel
from typing import Optional

from ..config import get_config, AccountConfig
from ..models import Account, Mailbox
from ..imap import ImapClient

router = APIRouter(prefix="/accounts", tags=["accounts"])


class AccountCreate(BaseModel):
    id: str
    host: str
    port: int = 993
    username: str
    password: str
    tls: str = "ssl"


@router.get("")
async def list_accounts() -> list[Account]:
    """List all configured accounts."""
    config = get_config()
    accounts = []
    
    for account_id, acc_config in config.accounts.items():
        # Try to connect to check status
        connected = False
        last_error = None
        
        try:
            client = ImapClient(account_id, acc_config)
            client.connect()
            client.disconnect()
            connected = True
        except Exception as e:
            last_error = str(e)
        
        accounts.append(Account(
            id=account_id,
            host=acc_config.host,
            port=acc_config.port,
            username=acc_config.username,
            tls=acc_config.tls,
            connected=connected,
            last_error=last_error,
        ))
    
    return accounts


@router.get("/{account_id}")
async def get_account(account_id: str) -> Account:
    """Get account details."""
    config = get_config()
    
    if account_id not in config.accounts:
        raise HTTPException(status_code=404, detail="Account not found")
    
    acc_config = config.accounts[account_id]
    
    connected = False
    last_error = None
    
    try:
        client = ImapClient(account_id, acc_config)
        client.connect()
        client.disconnect()
        connected = True
    except Exception as e:
        last_error = str(e)
    
    return Account(
        id=account_id,
        host=acc_config.host,
        port=acc_config.port,
        username=acc_config.username,
        tls=acc_config.tls,
        connected=connected,
        last_error=last_error,
    )


@router.get("/{account_id}/mailboxes")
async def list_mailboxes(account_id: str) -> list[Mailbox]:
    """List mailboxes/folders for an account."""
    config = get_config()
    
    if account_id not in config.accounts:
        raise HTTPException(status_code=404, detail="Account not found")
    
    acc_config = config.accounts[account_id]
    
    try:
        client = ImapClient(account_id, acc_config)
        with client.session():
            return client.list_mailboxes()
    except Exception as e:
        raise HTTPException(status_code=500, detail=str(e))