-- Tomorrow's forecast for the saved or auto-detected location.
-- City stored via memory key "weather.lat" + "weather.lon" + "weather.city",
-- or auto-detected via ipinfo on first run.
local lat = jarvis.memory.recall("weather.lat")
local lon = jarvis.memory.recall("weather.lon")
local city = jarvis.memory.recall("weather.city")

if not lat or not lon then
    -- Auto-detect via ipinfo.io (free, no key)
    local ip = jarvis.http.json("https://ipinfo.io/json")
    if not ip or not ip.loc then
        return jarvis.cmd.error("Не получилось узнать местоположение.")
    end
    lat, lon = ip.loc:match("^([^,]+),(.*)$")
    if not lat then
        return jarvis.cmd.error("Не получилось разобрать координаты.")
    end
    city = ip.city or "ваш город"
    jarvis.memory.remember("weather.lat", lat)
    jarvis.memory.remember("weather.lon", lon)
    jarvis.memory.remember("weather.city", city)
end

local url = string.format(
    "https://api.open-meteo.com/v1/forecast?latitude=%s&longitude=%s&daily=temperature_2m_max,temperature_2m_min,precipitation_sum,weather_code&timezone=auto&forecast_days=2",
    lat, lon
)
local data = jarvis.http.json(url)
if not data or not data.daily then
    return jarvis.cmd.error("Прогноз недоступен.")
end

local d = data.daily
-- day 2 = tomorrow (day 1 = today in the array)
local tmax = (d.temperature_2m_max and d.temperature_2m_max[2]) or nil
local tmin = (d.temperature_2m_min and d.temperature_2m_min[2]) or nil
local rain = (d.precipitation_sum and d.precipitation_sum[2]) or 0
local code = (d.weather_code and d.weather_code[2]) or 0

if not tmax then
    return jarvis.cmd.error("Прогноз неполный.")
end

local condition = "переменно"
if code == 0 then condition = "ясно"
elseif code <= 3 then condition = "переменная облачность"
elseif code >= 51 and code <= 67 then condition = "дождь"
elseif code >= 71 and code <= 77 then condition = "снег"
elseif code >= 95 then condition = "гроза"
end

local line = string.format("В %s завтра %s. От %d до %d градусов.",
    city or "вашем городе", condition, math.floor(tmin + 0.5), math.floor(tmax + 0.5))
if rain > 5 then
    line = line .. " Возможны осадки."
end
return jarvis.cmd.ok(line)