"""대시보드 (화면 1, 읽기 전용).

GET /        → 전체 페이지(상태 + 요약 카드 + 저장소 목록)
GET /repos   → 저장소 목록 조각 (새로고침/폴링용 partial)
"""

from __future__ import annotations

from typing import Any

import httpx
from fastapi import APIRouter, Depends, Request
from fastapi.responses import HTMLResponse

from .. import task_store, views
from ..deps import get_pulp_client, templates
from ..pulp_client import PulpClient

router = APIRouter()


def _load_repos(pulp: PulpClient) -> dict[str, Any]:
    """저장소 목록을 읽어 표시 모델 + 요약 + (실패 시) 에러 메시지를 만든다."""
    syncing = task_store.active_count()
    try:
        repos = pulp.list_repos()
    except httpx.HTTPError as exc:
        return {"repos": [], "summary": views.summarize([], syncing), "error": str(exc)}

    repo_views: list[dict[str, Any]] = []
    for repo in repos:
        version = None
        vhref = repo.get("latest_version_href")
        if vhref:
            try:
                version = pulp.get_version(vhref)
            except httpx.HTTPError:
                version = None  # 버전 상세 실패는 치명적이지 않음 — 행은 표시
        repo_views.append(views.build_repo_view(repo, version))

    return {
        "repos": repo_views,
        "summary": views.summarize(repo_views, syncing),
        "error": None,
    }


@router.get("/", response_class=HTMLResponse)
def dashboard(
    request: Request, pulp: PulpClient = Depends(get_pulp_client)
) -> HTMLResponse:
    return templates.TemplateResponse(request, "dashboard.html", _load_repos(pulp))


@router.get("/repos", response_class=HTMLResponse)
def repos_fragment(
    request: Request, pulp: PulpClient = Depends(get_pulp_client)
) -> HTMLResponse:
    return templates.TemplateResponse(
        request, "partials/repo_list.html", _load_repos(pulp)
    )