"""供应商与模型 API。"""

from __future__ import annotations

from fastapi import APIRouter, HTTPException

from ..providers import ProviderError
from ..schemas import DiscoverIn, ModelUpsertIn, ProviderIn
from ..services import providers as svc

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


@router.get("")
def list_providers():
    return svc.list_providers()


@router.post("")
def save_provider(payload: ProviderIn):
    try:
        return svc.save_provider(payload.model_dump())
    except ProviderError as exc:
        raise HTTPException(status_code=exc.status, detail=exc.message)


@router.delete("/{provider_id}")
def delete_provider(provider_id: str):
    svc.delete_provider(provider_id)
    return {"ok": True}


@router.post("/discover")
def discover_with_credentials(payload: DiscoverIn):
    """尚未保存供应商时，用手填的 Base URL + Key 临时拉取模型清单。"""
    try:
        return svc.discover_with_credentials(
            payload.adapter, payload.base_url.rstrip("/"), payload.api_key
        )
    except ProviderError as exc:
        raise HTTPException(status_code=exc.status, detail=exc.message)


@router.post("/{provider_id}/discover")
def discover_provider_models(provider_id: str):
    """按已保存的供应商拉取上游模型（命中规则：模型 ID 含 image）。"""
    try:
        return svc.discover(provider_id)
    except ProviderError as exc:
        raise HTTPException(status_code=exc.status, detail=exc.message)


@router.post("/{provider_id}/models")
def upsert_provider_models(provider_id: str, payload: ModelUpsertIn):
    """保存勾选的模型，并设置启用状态（未勾选的自动停用）。"""
    try:
        return svc.upsert_models(
            provider_id,
            payload.model_ids,
            enabled=payload.enabled,
            note=payload.note or "自动发现",
            exclusive=True,
        )
    except ProviderError as exc:
        raise HTTPException(status_code=exc.status, detail=exc.message)