from fastapi import APIRouter

from app.schemas.training import TrainingConfig, TrainingJobResponse, TrainingProgress

router = APIRouter()


@router.post("/jobs", response_model=TrainingJobResponse)
async def create_training_job(config: TrainingConfig):
    """创建并加入训练任务。"""
    return TrainingJobResponse(
        id="placeholder",
        model_id=config.model_id,
        model_type=config.model_type.value,
        peft_method=config.peft_method.value,
        status="pending",
        created_at="",
    )


@router.get("/jobs", response_model=list[TrainingJobResponse])
async def list_training_jobs():
    """列出所有训练任务。"""
    return []


@router.get("/jobs/{job_id}", response_model=TrainingJobResponse)
async def get_training_job(job_id: str):
    """获取指定任务详情。"""
    return TrainingJobResponse(
        id=job_id,
        model_id="",
        model_type="text",
        peft_method="lora",
        status="pending",
        created_at="",
    )


@router.post("/jobs/{job_id}/cancel")
async def cancel_training_job(job_id: str):
    """取消运行中的训练任务。"""
    return {"status": "cancelled"}


@router.get("/jobs/{job_id}/logs")
async def stream_training_logs(job_id: str):
    """通过 SSE 流式推送训练日志。"""
    return {"logs": []}