from fastapi import APIRouter,Depends
from src.application.commands import GetKycSessionCommand,PassKycCommand
from src.application.domain.dto import AuthContext,BeorgKycCreateResponse,KycSessionResponse
from src.presentation.decorators.auth import require_access_token
from src.presentation.dependencies.commands import get_kyc_session_command,get_pass_kyc_command
from src.presentation.schemas import ErrorResponse


kyc_router = APIRouter(prefix='/kyc', tags=['Kyc'])

CREATE_KYC_RESPONSES = {
    400: {
        'model': ErrorResponse,
        'description': 'Beorg rejected request. error.code: beorg_rejected',
    },
    401: {
        'model': ErrorResponse,
        'description': 'Authentication error. error.code: not_authenticated, invalid_token',
    },
    500: {
        'model': ErrorResponse,
        'description': 'Configuration or internal error. error.code: beorg_not_configured, internal_server_error',
    },
    502: {
        'model': ErrorResponse,
        'description': 'Beorg is unavailable. error.code: beorg_unavailable',
    },
    422: {
        'model': ErrorResponse,
        'description': 'Request validation error. error.code: request_validation_error',
    },
}

GET_KYC_SESSION_RESPONSES = {
    401: {
        'model': ErrorResponse,
        'description': 'Authentication error. error.code: not_authenticated, invalid_token',
    },
    404: {
        'model': ErrorResponse,
        'description': 'Active KYC session was not found. error.code: kyc_session_expired',
    },
    500: {
        'model': ErrorResponse,
        'description': 'Internal error. error.code: internal_server_error',
    },
    422: {
        'model': ErrorResponse,
        'description': 'Request validation error. error.code: request_validation_error',
    },
}


@kyc_router.post(
    '/create',
    response_model=BeorgKycCreateResponse,
    responses=CREATE_KYC_RESPONSES,
    summary='Start KYC session',
    description='Creates a Beorg KYC session without link expiry at the issuer and persists it without local expiration.',
)
async def create_kyc(
        auth: AuthContext = Depends(require_access_token),
        command: PassKycCommand = Depends(get_pass_kyc_command),
) -> BeorgKycCreateResponse:
    result = await command(user_id=auth.user_id)
    return result


@kyc_router.get(
    '/session',
    response_model=KycSessionResponse,
    responses=GET_KYC_SESSION_RESPONSES,
    summary='Get KYC session',
    description='Returns latest KYC session; expires_at and expires_in are omitted when the session has no expiry.',
)
async def get_kyc_session(
        auth: AuthContext = Depends(require_access_token),
        command: GetKycSessionCommand = Depends(get_kyc_session_command),
) -> KycSessionResponse:
    result = await command(user_id=auth.user_id)
    return result