"""Operations/admin API service functions."""

from __future__ import annotations

from typing import Any, Dict

from fastapi import HTTPException, Request

from src.database.db_manager import DBManager
from web.core import GrantPointsRequest
import web.routes as legacy_routes


def _require_ops(request: Request) -> Dict[str, Any] | None:
    legacy_routes._assert_entitlement(request)
    return legacy_routes._require_ops_admin(request)


def search_ops_users(request: Request, q: str = "", limit: int = 20) -> Dict[str, Any]:
    _require_ops(request)
    db = DBManager()
    return {"users": db.search_users(q, limit=limit)}


def get_ops_weekly_leaderboard(request: Request, limit: int = 20) -> Dict[str, Any]:
    _require_ops(request)
    db = DBManager()
    return {"leaderboard": db.get_weekly_leaderboard(limit=limit)}


def list_ops_memberships(request: Request, limit: int = 200) -> Dict[str, Any]:
    _require_ops(request)
    db = DBManager()
    if getattr(legacy_routes.PAYMENT_CHECKOUT, "enabled", False):
        try:
            legacy_routes.PAYMENT_CHECKOUT.reconcile_recent_intents(
                limit=min(max(int(limit or 200), 20), 200)
            )
        except Exception:
            pass
    subscriptions = legacy_routes.SUPABASE_ENTITLEMENT.list_active_subscriptions(limit=limit)
    subscription_user_ids = [str(item.get("user_id") or "") for item in subscriptions]
    user_map = db.get_users_by_supabase_user_ids(subscription_user_ids)
    unresolved_user_ids = [
        user_id
        for user_id in subscription_user_ids
        if str(user_id or "").strip().lower()
        and not str(
            (user_map.get(str(user_id).strip().lower(), {}) or {}).get("supabase_email") or ""
        ).strip()
    ]
    auth_user_map = legacy_routes.SUPABASE_ENTITLEMENT.get_auth_users(unresolved_user_ids)
    deduped: dict[str, dict] = {}
    for item in subscriptions:
        user_id = str(item.get("user_id") or "").strip().lower()
        local_user = user_map.get(user_id, {})
        auth_user = auth_user_map.get(user_id, {})
        subscription_window = legacy_routes.SUPABASE_ENTITLEMENT.get_subscription_window(
            user_id,
            respect_requirement=False,
            bypass_cache=True,
        )
        current_expires_at = item.get("expires_at")
        total_expires_at = (
            subscription_window.get("total_expires_at")
            if isinstance(subscription_window, dict)
            else None
        )
        queued_days = (
            int(subscription_window.get("queued_days") or 0)
            if isinstance(subscription_window, dict)
            else 0
        )
        queued_count = (
            int(subscription_window.get("queued_count") or 0)
            if isinstance(subscription_window, dict)
            else 0
        )
        source = str(item.get("source") or "")
        is_trial = source == "signup_trial" or str(item.get("plan_code") or "").startswith("signup_trial")
        row = {
            "user_id": user_id,
            "email": str(auth_user.get("email") or local_user.get("supabase_email") or ""),
            "telegram_id": local_user.get("telegram_id"),
            "username": local_user.get("username"),
            "registered_at": local_user.get("created_at") or auth_user.get("created_at"),
            "plan_code": item.get("plan_code"),
            "source": source,
            "is_trial": is_trial,
            "starts_at": item.get("starts_at"),
            "current_expires_at": current_expires_at,
            "total_expires_at": total_expires_at or current_expires_at,
            "expires_at": total_expires_at or current_expires_at,
            "queued_days": queued_days,
            "queued_count": queued_count,
        }
        existing = deduped.get(user_id)
        existing_expires = str(existing.get("expires_at") or "") if existing else ""
        current_expires = str(row.get("expires_at") or "")
        if existing is None or current_expires > existing_expires:
            deduped[user_id] = row
    rows = sorted(
        deduped.values(),
        key=lambda item: str(item.get("expires_at") or ""),
    )
    return {"memberships": rows}


def list_ops_payment_incidents(
    request: Request,
    limit: int = 50,
    reason: str = "",
    include_resolved: bool = False,
) -> Dict[str, Any]:
    _require_ops(request)
    db = DBManager()
    incidents = db.list_payment_audit_events(
        limit=max(1, min(int(limit or 50), 200)),
        event_type="payment_intent_failed",
    )
    normalized_reason = str(reason or "").strip().lower()
    filtered = []
    for item in incidents:
        payload = item.get("payload") if isinstance(item, dict) else {}
        payload = payload if isinstance(payload, dict) else {}
        item_reason = str(payload.get("reason") or "").strip().lower()
        resolved_at = str(payload.get("resolved_at") or "").strip()
        if normalized_reason and item_reason != normalized_reason:
            continue
        if not include_resolved and resolved_at:
            continue
        filtered.append(item)
    return {"incidents": filtered}


def resolve_ops_payment_incident(request: Request, event_id: int) -> Dict[str, Any]:
    admin = _require_ops(request) or {}
    db = DBManager()
    resolved = db.mark_payment_audit_event_resolved(event_id, str(admin.get("email") or ""))
    if not resolved:
        raise HTTPException(status_code=404, detail="payment_incident_not_found")
    return {"ok": True, "incident": resolved}


def grant_ops_points(request: Request, body: GrantPointsRequest) -> Dict[str, Any]:
    admin = _require_ops(request) or {}
    db = DBManager()
    result = db.grant_points_by_supabase_email(body.email, body.points)
    result["operator_email"] = admin.get("email")
    if not result.get("ok"):
        reason = str(result.get("reason") or "grant_points_failed")
        status_code = 404 if reason == "user_not_found" else 400
        raise HTTPException(status_code=status_code, detail=result)
    return result


def get_ops_analytics_funnel(request: Request, days: int = 30) -> Dict[str, Any]:
    _require_ops(request)
    db = DBManager()
    return db.get_app_analytics_funnel_summary(days=days)


def get_ops_truth_history(
    request: Request,
    city: str = "",
    date_from: str = "",
    date_to: str = "",
    limit: int = 200,
) -> Dict[str, Any]:
    _require_ops(request)

    truth_history = legacy_routes.TruthRecordRepository().load_all()
    normalized_city = str(city or "").strip().lower()
    normalized_from = str(date_from or "").strip()
    normalized_to = str(date_to or "").strip()
    max_limit = max(1, min(int(limit or 200), 1000))

    rows = []
    for row_city, by_date in truth_history.items():
        if normalized_city and row_city != normalized_city:
            continue
        if not isinstance(by_date, dict):
            continue
        for target_date, payload in by_date.items():
            if normalized_from and str(target_date) < normalized_from:
                continue
            if normalized_to and str(target_date) > normalized_to:
                continue
            if not isinstance(payload, dict):
                continue
            rows.append(
                {
                    "city": row_city,
                    "display_name": str(
                        (legacy_routes.CITY_REGISTRY.get(row_city) or {}).get("name") or row_city
                    ),
                    "target_date": str(target_date),
                    "actual_high": payload.get("actual_high"),
                    "settlement_source": payload.get("settlement_source"),
                    "settlement_station_code": payload.get("settlement_station_code"),
                    "settlement_station_label": payload.get("settlement_station_label"),
                    "truth_version": payload.get("truth_version"),
                    "updated_by": payload.get("updated_by"),
                    "truth_updated_at": payload.get("truth_updated_at"),
                    "is_final": payload.get("is_final"),
                }
            )

    rows.sort(key=lambda item: (str(item["target_date"]), str(item["city"])), reverse=True)
    filtered_count = len(rows)
    rows = rows[:max_limit]
    available_cities = [
        {
            "city": city_id,
            "name": str(info.get("name") or city_id),
        }
        for city_id, info in sorted(
            legacy_routes.CITY_REGISTRY.items(),
            key=lambda item: str(item[1].get("name") or item[0]),
        )
    ]
    return {
        "items": rows,
        "available_cities": available_cities,
        "filters": {
            "city": normalized_city or None,
            "date_from": normalized_from or None,
            "date_to": normalized_to or None,
            "limit": max_limit,
        },
        "filtered_count": filtered_count,
    }


# ── Config ──────────────────────────────────────────────────────────

_EDITABLE_CONFIG_KEYS: dict[str, str] = {
    "POLYWEATHER_AUTH_REQUIRED": "是否强制要求 Supabase 登录访问 API",
    "POLYWEATHER_PAYMENT_ENABLED": "是否启用支付功能",
    "POLYWEATHER_PAYMENT_POINTS_ENABLED": "是否启用积分抵扣",
    "POLYWEATHER_TELEGRAM_ALERT_PUSH_ENABLED": "是否启用 Telegram 告警推送",
    "POLYWEATHER_GROUP_MEMBER_PRICE_USDC": "群成员月费 (USDC)",
    "POLYWEATHER_PUBLIC_PRICE_USDC": "公开月费 (USDC)",
    "POLYWEATHER_PAYMENT_POINTS_PER_USDC": "积分兑换汇率 (积分/USDC)",
    "POLYWEATHER_PAYMENT_POINTS_MAX_DISCOUNT_USDC": "积分最高抵扣金额 (USDC)",
}


def get_ops_config(request: Request) -> dict[str, Any]:
    _require_ops(request)
    import os
    configs: list[dict[str, str]] = []
    for key, desc in _EDITABLE_CONFIG_KEYS.items():
        configs.append({
            "key": key,
            "value": os.getenv(key) or "",
            "description": desc,
        })
    return {"configs": configs}


def update_ops_config(request: Request, key: str, value: str) -> dict[str, Any]:
    _require_ops(request)
    import os
    if key not in _EDITABLE_CONFIG_KEYS:
        raise HTTPException(status_code=400, detail=f"config key '{key}' is not editable")
    os.environ[key] = str(value)
    return {"key": key, "value": value, "ok": True}


# ── Subscriptions ───────────────────────────────────────────────────

def grant_ops_subscription(
    request: Request,
    email: str,
    plan_code: str = "pro_monthly",
    days: int = 30,
) -> dict[str, Any]:
    _require_ops(request)
    import os
    from datetime import datetime, timedelta
    import requests as _requests

    supabase_url = str(os.getenv("SUPABASE_URL") or "").strip().rstrip("/")
    service_role_key = str(os.getenv("SUPABASE_SERVICE_ROLE_KEY") or "").strip()
    if not supabase_url or not service_role_key:
        raise HTTPException(status_code=503, detail="Supabase not configured")

    allowed_plans = {"pro_monthly", "pro_quarterly", "pro_yearly"}
    if plan_code not in allowed_plans:
        raise HTTPException(status_code=400, detail=f"invalid plan_code, allowed: {allowed_plans}")

    safe_days = max(1, min(365, int(days or 30)))
    normalized_email = str(email or "").strip().lower()
    if not normalized_email:
        raise HTTPException(status_code=400, detail="email is required")

    headers = {
        "apikey": service_role_key,
        "Authorization": f"Bearer {service_role_key}",
        "Content-Type": "application/json",
        "Prefer": "return=representation",
    }

    # Look up user by email
    user_resp = _requests.get(
        f"{supabase_url}/auth/v1/admin/users",
        headers=headers,
        params={"filter": f"email.eq.{normalized_email}"},
        timeout=10,
    )
    users = user_resp.json().get("users", []) if user_resp.ok else []
    user_id = users[0].get("id") if users else None
    if not user_id:
        raise HTTPException(status_code=404, detail=f"user not found: {normalized_email}")

    now = datetime.utcnow()
    starts_at = now.isoformat() + "Z"
    expires_at = (now + timedelta(days=safe_days)).isoformat() + "Z"

    payload = {
        "user_id": user_id,
        "email": normalized_email,
        "plan_code": plan_code,
        "starts_at": starts_at,
        "expires_at": expires_at,
        "source": "ops_manual_grant",
        "created_at": now.isoformat() + "Z",
    }

    resp = _requests.post(
        f"{supabase_url}/rest/v1/subscriptions",
        headers=headers,
        json=payload,
        timeout=10,
    )
    if resp.ok:
        return {"ok": True, "user_id": user_id, "plan_code": plan_code, "days": safe_days, "expires_at": expires_at}
    raise HTTPException(status_code=500, detail=f"Supabase insert failed: {resp.text[:200]}")


def extend_ops_subscription(
    request: Request,
    email: str,
    additional_days: int = 30,
) -> dict[str, Any]:
    _require_ops(request)
    import os
    from datetime import datetime, timedelta
    import requests as _requests

    supabase_url = str(os.getenv("SUPABASE_URL") or "").strip().rstrip("/")
    service_role_key = str(os.getenv("SUPABASE_SERVICE_ROLE_KEY") or "").strip()
    if not supabase_url or not service_role_key:
        raise HTTPException(status_code=503, detail="Supabase not configured")

    safe_days = max(1, min(365, int(additional_days or 30)))
    normalized_email = str(email or "").strip().lower()
    if not normalized_email:
        raise HTTPException(status_code=400, detail="email is required")

    headers = {
        "apikey": service_role_key,
        "Authorization": f"Bearer {service_role_key}",
        "Content-Type": "application/json",
        "Prefer": "return=representation",
    }

    # Find latest active subscription
    subs_resp = _requests.get(
        f"{supabase_url}/rest/v1/subscriptions",
        headers=headers,
        params={
            "select": "*",
            "email": f"eq.{normalized_email}",
            "order": "expires_at.desc",
            "limit": "1",
        },
        timeout=10,
    )
    subs = subs_resp.json() if subs_resp.ok else []
    if not subs:
        raise HTTPException(status_code=404, detail=f"no subscription found for {normalized_email}")

    sub = subs[0]
    current_expiry = sub.get("expires_at", "")
    try:
        dt = datetime.fromisoformat(current_expiry.replace("Z", "+00:00"))
        new_expiry = (dt + timedelta(days=safe_days)).isoformat()
    except Exception:
        new_expiry = (datetime.utcnow() + timedelta(days=safe_days)).isoformat() + "Z"

    patch_resp = _requests.patch(
        f"{supabase_url}/rest/v1/subscriptions?id=eq.{sub['id']}",
        headers=headers,
        json={"expires_at": new_expiry},
        timeout=10,
    )
    if patch_resp.ok:
        return {"ok": True, "email": normalized_email, "additional_days": safe_days, "new_expires_at": new_expiry}
    raise HTTPException(status_code=500, detail=f"Supabase update failed: {patch_resp.text[:200]}")


# ── Logs ────────────────────────────────────────────────────────────

def get_ops_logs(
    request: Request,
    level: str = "",
    lines: int = 100,
) -> dict[str, Any]:
    _require_ops(request)
    import subprocess
    safe_lines = max(10, min(1000, int(lines or 100)))
    try:
        # Read from Docker logs
        result = subprocess.run(
            ["docker", "logs", "--tail", str(safe_lines), "polyweather_bot"],
            capture_output=True,
            text=True,
            timeout=10,
        )
        log_text = result.stdout or result.stderr or ""
    except Exception:
        log_text = ""

    log_lines = log_text.strip().split("\n") if log_text.strip() else []

    if level:
        level_upper = level.upper()
        log_lines = [line for line in log_lines if level_upper in line.upper()]

    return {
        "lines": log_lines[-safe_lines:],
        "total": len(log_lines),
    }


def get_ops_health_check(request: Request) -> dict[str, Any]:
    _require_ops(request)
    import os
    import requests as _r
    import time as _time

    results: dict[str, dict] = {}
    timeout = 3

    # Supabase
    supabase_url = str(os.getenv("SUPABASE_URL") or "").strip().rstrip("/")
    supabase_key = str(os.getenv("SUPABASE_SERVICE_ROLE_KEY") or "").strip()
    if supabase_url and supabase_key:
        try:
            r = _r.get(f"{supabase_url}/rest/v1/", headers={"apikey": supabase_key, "Authorization": f"Bearer {supabase_key}"}, timeout=timeout)
            results["supabase"] = {"ok": r.ok, "status": r.status_code, "latency_ms": round(r.elapsed.total_seconds() * 1000)}
        except Exception as e:
            results["supabase"] = {"ok": False, "error": str(e)[:100]}
    else:
        results["supabase"] = {"ok": False, "error": "not configured"}

    # Open-Meteo
    try:
        t0 = _time.perf_counter()
        r = _r.get("https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&daily=temperature_2m_max&timezone=auto&forecast_days=1", timeout=timeout)
        results["open_meteo"] = {"ok": r.ok, "status": r.status_code, "latency_ms": round((_time.perf_counter() - t0) * 1000)}
    except Exception as e:
        results["open_meteo"] = {"ok": False, "error": str(e)[:100]}

    # METAR (aviationweather)
    try:
        t0 = _time.perf_counter()
        r = _r.get("https://aviationweather.gov/api/data/metar?ids=KJFK&format=json", timeout=timeout)
        results["metar"] = {"ok": r.ok, "status": r.status_code, "latency_ms": round((_time.perf_counter() - t0) * 1000)}
    except Exception as e:
        results["metar"] = {"ok": False, "error": str(e)[:100]}

    # KNMI
    knmi_key = str(os.getenv("KNMI_API_KEY") or "").strip()
    if knmi_key:
        try:
            t0 = _time.perf_counter()
            r = _r.get("https://api.dataplatform.knmi.nl/open-data/v1/datasets/10-minute-in-situ-meteorological-observations/versions/1.0/files?maxKeys=1", headers={"Authorization": knmi_key}, timeout=timeout)
            results["knmi"] = {"ok": r.ok, "status": r.status_code, "latency_ms": round((_time.perf_counter() - t0) * 1000)}
        except Exception as e:
            results["knmi"] = {"ok": False, "error": str(e)[:100]}
    else:
        results["knmi"] = {"ok": False, "error": "not configured"}

    # MADIS (NOAA)
    try:
        t0 = _time.perf_counter()
        r = _r.get("https://madis-data.ncep.noaa.gov/madisPublic1/data/LDAD/hfmetar/netCDF/", timeout=timeout)
        results["madis"] = {"ok": r.ok, "status": r.status_code, "latency_ms": round((_time.perf_counter() - t0) * 1000)}
    except Exception as e:
        results["madis"] = {"ok": False, "error": str(e)[:100]}

    # Telegram Bot
    bot_token = str(os.getenv("TELEGRAM_BOT_TOKEN") or "").strip()
    if bot_token:
        try:
            t0 = _time.perf_counter()
            r = _r.get(f"https://api.telegram.org/bot{bot_token}/getMe", timeout=timeout)
            results["telegram"] = {"ok": r.ok, "status": r.status_code, "latency_ms": round((_time.perf_counter() - t0) * 1000)}
        except Exception as e:
            results["telegram"] = {"ok": False, "error": str(e)[:100]}
    else:
        results["telegram"] = {"ok": False, "error": "not configured"}

    all_ok = all(v.get("ok") for v in results.values())
    return {"ok": all_ok, "checked_at": __import__("datetime").datetime.utcnow().isoformat() + "Z", "services": results}