"""API routes for evaluation campaigns (评估活动).

This ticket covers persistence and create/query only — no scheduling or child
Run spawning. Those arrive in later tickets.
"""

from fastapi import APIRouter, Depends, HTTPException
from pydantic import BaseModel, Field
from sqlmodel import Session

from agenteval.models import Campaign, CampaignPlanEntry
from agenteval.storage.repository import CampaignRepository, ScenarioRepository, TargetRepository
from agenteval.web.deps import get_db

router = APIRouter()


class CreateCampaignRequest(BaseModel):
    name: str
    target_id: str
    window_seconds: int = Field(gt=0)
    time_scale: float = Field(default=1.0, gt=0)
    plan: list[CampaignPlanEntry] = Field(min_length=1)


@router.get("")
async def list_campaigns(session: Session = Depends(get_db)) -> list[dict]:
    return [c.model_dump() for c in CampaignRepository(session).list_all()]


@router.post("")
async def create_campaign(
    request: CreateCampaignRequest,
    session: Session = Depends(get_db),
) -> dict:
    if not TargetRepository(session).get(request.target_id):
        raise HTTPException(status_code=404, detail="target not found")

    scenario_repo = ScenarioRepository(session)
    for entry in request.plan:
        if not scenario_repo.get(entry.scenario_id):
            raise HTTPException(
                status_code=404,
                detail=f"scenario not found: {entry.scenario_id}",
            )

    campaign = Campaign(
        name=request.name,
        target_id=request.target_id,
        window_seconds=request.window_seconds,
        time_scale=request.time_scale,
        plan=request.plan,
    )
    campaign = CampaignRepository(session).create(campaign)
    return campaign.model_dump()


@router.get("/{campaign_id}")
async def get_campaign(campaign_id: str, session: Session = Depends(get_db)) -> dict:
    campaign = CampaignRepository(session).get(campaign_id)
    if not campaign:
        raise HTTPException(status_code=404, detail="campaign not found")
    return campaign.model_dump()