from fastapi import APIRouter, Cookie

from app.db import auth_db
from app.db.analytics import (
    get_all_recommendations,
    get_cron_run_logs,
    get_cron_run_summary,
    get_observation_candidates,
    get_pipeline_run_detail,
    get_pipeline_runs,
    get_review_stats,
    get_screening_history,
    get_stats,
)
from app.db.llm_insights import get_llm_insight_by_id, list_llm_insights
from app.db.recommendation_queries import get_active_recommendations, get_active_recommendations_deduped, get_opportunity_detail
from app.db.short_tf_signals import get_short_tf_signal_review
from app.config.config_loader import get_signal_weights
from app.web.shared import (
    ObservationRequest,
    PushRulesRequest,
    WatchlistRequest,
    require_api_user_with_subscription,
)

router = APIRouter()


def _friendly_llm_item(item):
    content = item.get("content") or {}
    payload = item.get("input") or {}
    target_type = item.get("target_type") or ""
    status = item.get("status") or ""
    type_label = {
        "recommendation": "推荐解释",
        "sentiment": "舆情解读",
        "review": "复盘 memo",
    }.get(target_type, target_type or "未知任务")
    status_label = {
        "success": "成功",
        "failed": "失败",
        "skipped": "跳过",
    }.get(status, status or "未知")
    subject = payload.get("symbol") or payload.get("related_symbol") or payload.get("title") or payload.get("run_date") or item.get("target_id")
    summary = content.get("summary") or content.get("memo") or content.get("why_now_or_not") or content.get("raw") or item.get("error") or ""
    return {
        "id": item.get("id"),
        "type_label": type_label,
        "status_label": status_label,
        "status": status,
        "subject": subject,
        "summary": summary,
        "model": item.get("model") or "",
        "prompt_version": item.get("prompt_version") or "",
        "target_type": target_type,
        "target_id": item.get("target_id"),
        "updated_at": item.get("updated_at"),
        "error": item.get("error") or "",
        "content": content,
        "input": payload,
    }


@router.get("/api/stats")
async def api_stats(altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_stats()


@router.get("/api/recommendations")
async def api_recommendations(
    limit: int = 50,
    offset: int = 0,
    decision_only: bool = False,
    version: str = "",
    archive_filter: str = "",
    paged: bool = False,
    compact: bool = False,
    side: str = "",
    altcoin_session: str = Cookie(default=""),
):
    require_api_user_with_subscription(altcoin_session)
    return get_all_recommendations(
        limit,
        decision_only=decision_only,
        version=version,
        offset=offset,
        with_meta=(paged or compact),
        archive_filter=archive_filter,
    )


@router.get("/api/recommendations/active")
async def api_recommendations_active(
    dedup: bool = True,
    actionable_only: bool = True,
    version: str = "",
    hours: float = 0,
    limit: int = 0,
    offset: int = 0,
    paged: bool = False,
    compact: bool = False,
    side: str = "",
    altcoin_session: str = Cookie(default=""),
):
    require_api_user_with_subscription(altcoin_session)
    if dedup:
        return get_active_recommendations_deduped(
            actionable_only=actionable_only,
            version=version,
            hours=hours,
            limit=limit,
            offset=offset,
            with_meta=(paged or compact),
            side=side,
        )
    return get_active_recommendations(actionable_only=actionable_only)


@router.get("/api/opportunity/detail")
async def api_opportunity_detail(symbol: str = "", rec_id: int = 0, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    detail = get_opportunity_detail(symbol=symbol, rec_id=rec_id)
    if not detail:
        return {"error": "opportunity not found", "symbol": symbol, "rec_id": rec_id}
    return detail


@router.get("/api/observations/active")
async def api_observations_active(
    limit: int = 50,
    altcoin_session: str = Cookie(default=""),
):
    require_api_user_with_subscription(altcoin_session)
    return get_observation_candidates(limit=limit)


@router.get("/api/personalization")
async def api_personalization(altcoin_session: str = Cookie(default="")):
    user = require_api_user_with_subscription(altcoin_session)
    return {
        "watchlist": auth_db.get_watchlist_symbols(user["id"]),
        "observations": auth_db.get_saved_observations(user["id"]),
        "push_rules": auth_db.get_push_rules(user["id"]),
    }


@router.post("/api/watchlist")
async def api_add_watchlist(req: WatchlistRequest, altcoin_session: str = Cookie(default="")):
    user = require_api_user_with_subscription(altcoin_session)
    auth_db.add_watchlist_symbol(user["id"], req.symbol)
    return {"ok": True, "watchlist": auth_db.get_watchlist_symbols(user["id"])}


@router.delete("/api/watchlist/{symbol}")
async def api_remove_watchlist(symbol: str, altcoin_session: str = Cookie(default="")):
    user = require_api_user_with_subscription(altcoin_session)
    auth_db.remove_watchlist_symbol(user["id"], symbol)
    return {"ok": True, "watchlist": auth_db.get_watchlist_symbols(user["id"])}


@router.post("/api/observations")
async def api_save_observation(req: ObservationRequest, altcoin_session: str = Cookie(default="")):
    user = require_api_user_with_subscription(altcoin_session)
    auth_db.save_observation(user["id"], req.rec_id, req.note)
    return {"ok": True, "observations": auth_db.get_saved_observations(user["id"])}


@router.delete("/api/observations/{rec_id}")
async def api_remove_observation(rec_id: int, altcoin_session: str = Cookie(default="")):
    user = require_api_user_with_subscription(altcoin_session)
    auth_db.remove_observation(user["id"], rec_id)
    return {"ok": True, "observations": auth_db.get_saved_observations(user["id"])}


@router.post("/api/push-rules")
async def api_update_push_rules(req: PushRulesRequest, altcoin_session: str = Cookie(default="")):
    user = require_api_user_with_subscription(altcoin_session)
    rules = auth_db.update_push_rules(user["id"], req.dict())
    return {"ok": True, "push_rules": rules}


@router.get("/api/screening")
async def api_screening(hours: int = 24, limit: int = 100, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_screening_history(hours, limit)


@router.get("/api/screening/short-tf-review")
async def api_short_tf_signal_review(hours: int = 168, limit: int = 200, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_short_tf_signal_review(hours=hours, limit=limit)


@router.get("/api/review")
async def api_review(altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_review_stats()


@router.get("/api/weights")
async def api_weights(altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_signal_weights()


@router.get("/api/cron")
async def api_cron(limit: int = 50, job_name: str = "", altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_cron_run_logs(limit=limit, job_name=job_name or None)


@router.get("/api/cron/summary")
async def api_cron_summary(hours: int = 24, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_cron_run_summary(hours=hours)


@router.get("/api/pipeline/runs")
async def api_pipeline_runs(limit: int = 30, hours: int = 24, offset: int = 0, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    return get_pipeline_runs(limit=limit, hours=hours, offset=offset)


@router.get("/api/pipeline/runs/{run_id}")
async def api_pipeline_run_detail(run_id: int, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    detail = get_pipeline_run_detail(run_id)
    if not detail:
        return {"error": "pipeline run not found", "run_id": run_id}
    return detail


@router.get("/api/llm/insights")
async def api_llm_insights(
    limit: int = 30,
    offset: int = 0,
    target_type: str = "",
    status: str = "",
    insight_type: str = "",
    altcoin_session: str = Cookie(default=""),
):
    require_api_user_with_subscription(altcoin_session)
    data = list_llm_insights(
        limit=limit,
        offset=offset,
        target_type=target_type or "",
        status=status or "",
        insight_type=insight_type or "",
    )
    data["items"] = [_friendly_llm_item(item) for item in data.get("items", [])]
    return data


@router.get("/api/llm/insights/{insight_id}")
async def api_llm_insight_detail(insight_id: int, altcoin_session: str = Cookie(default="")):
    require_api_user_with_subscription(altcoin_session)
    item = get_llm_insight_by_id(insight_id)
    if not item:
        return {"error": "llm insight not found", "id": insight_id}
    return _friendly_llm_item(item)