from fastapi import APIRouter
from fastapi import HTTPException

from app.services.repository import repo
from app.services.recipe_search import recipe_search
from app.services.store import JsonStore


router = APIRouter(prefix="/api", tags=["dashboard"])
store = JsonStore()


def usable_results(items):
    return [entry for entry in items if str(entry.get("status") or "suggested") != "rejected"]


@router.get("/health")
async def health():
    return {"status": "ok", "backend": repo.backend}


@router.get("/dashboard/summary")
async def summary():
    profile = repo.get_profile()
    suggestions = repo.list_suggestions()
    plans = repo.list_meal_plans()
    failed_searches = repo.recent_failed_searches(limit=6)
    counts = {
        "suggested": sum(1 for item in suggestions if item.get("status") == "suggested"),
        "approved": sum(1 for item in suggestions if item.get("status") == "approved"),
        "saved": sum(1 for item in suggestions if item.get("status") == "saved"),
        "rejected": sum(1 for item in suggestions if item.get("status") == "rejected"),
        "plans": len(plans),
        "failed_searches": len(repo.list_failed_searches()),
    }
    return {
        "backend": repo.backend,
        "profile": profile,
        "counts": counts,
        "recent_suggestions": repo.recent_suggestions(),
        "recent_plans": list(reversed(plans[-4:])),
        "recent_failed_searches": failed_searches,
    }


@router.get("/failed-searches")
async def failed_searches():
    return {"status": "ok", "items": repo.list_failed_searches()}


@router.get("/failed-searches/{failed_search_id}/results")
async def failed_search_results(failed_search_id: str):
    item = next((entry for entry in repo.list_failed_searches() if str(entry.get("id")) == str(failed_search_id)), None)
    if not item:
        raise HTTPException(status_code=404, detail="Failed search not found.")
    query = str(item.get("query") or "").strip()
    if not query:
        raise HTTPException(status_code=400, detail="Failed search query is empty.")
    all_results = recipe_search.search(query, limit=10)
    results = usable_results(all_results)
    updates = {
        "last_checked_at": store.now(),
        "updated_at": store.now(),
        "result_count": len(results),
        "sample_titles": [str(entry.get("title") or "") for entry in results[:4]],
    }
    if results:
        updates["status"] = "resolved-with-recipes"
        updates["resolved_at"] = str(item.get("resolved_at") or store.now())
    saved = repo.update_failed_search(str(item.get("id")), updates) or {**item, **updates}
    return {"status": "ok", "item": saved, "results": results}


@router.post("/failed-searches/refresh")
async def refresh_failed_searches():
    items = repo.list_failed_searches()
    refreshed = []
    for item in items:
        query = str(item.get("query") or "").strip()
        status = str(item.get("status") or "open")
        if not query or status != "open":
            refreshed.append(item)
            continue
        all_results = recipe_search.search(query, limit=10)
        results = usable_results(all_results)
        preview_titles = [str(entry.get("title") or "") for entry in results[:4] if str(entry.get("title") or "").strip()]
        result_count = len(results)
        updates = {
            "last_checked_at": store.now(),
            "result_count": result_count,
            "sample_titles": preview_titles,
        }
        if result_count > 0:
            updates["status"] = "resolved-with-recipes"
            updates["resolved_at"] = store.now()
        saved = repo.update_failed_search(str(item.get("id")), updates) or {**item, **updates}
        refreshed.append(saved)
    return {"status": "ok", "items": refreshed}