-- "Добавь встречу завтра в 15:00 обсудить проект"
-- Heuristic parsing: extracts time + body, defaults to tomorrow.
local phrase = (jarvis.context.phrase or "")
local body = jarvis.text.strip_trigger(phrase:lower(), {
    "добавь встречу",
    "создай событие",
    "создай встречу",
    "запиши встречу",
    "новая встреча",
    "add meeting",
    "create event",
})
body = body:gsub("^[%s,:%.]+", ""):gsub("%s+$", "")

if body == "" then
    return jarvis.cmd.error("Опишите встречу.")
end

-- Find time HH:MM or "в HH"
local h, m = body:match("(%d%d?)[:%-%s](%d%d)")
if not h then
    h = body:match("в%s+(%d%d?)")
    m = "00"
end
local hh = tonumber(h) or 9
local mm = tonumber(m) or 0

-- Date: "сегодня" / "завтра" / default to tomorrow
local today = jarvis.context.time
local year, month, day = today.year, today.month, today.day
if body:find("сегодня") then
    -- leave as-is
elseif body:find("послезавтра") then
    day = day + 2
else
    -- default tomorrow
    day = day + 1
end

-- ICS uses UTC if Z suffix or local with TZID. We'll use local naive.
local dt_start = string.format("%04d%02d%02dT%02d%02d00", year, month, day, hh, mm)
local dt_end = string.format("%04d%02d%02dT%02d%02d00", year, month, day, hh + 1, mm)
local now_stamp = string.format("%04d%02d%02dT%02d%02d00",
    today.year, today.month, today.day, today.hour, today.minute)

-- Clean summary (strip the time tokens)
local summary = body:gsub("%d%d?[:%-%s]%d%d", ""):gsub("в%s+%d%d?", "")
                    :gsub("сегодня", ""):gsub("послезавтра", ""):gsub("завтра", "")
                    :gsub("^[%s,]+", ""):gsub("%s+$", "")
if summary == "" then summary = "Встреча" end

local uid = string.format("jarvis-%s-%d", now_stamp, math.random(1000, 9999))
local ics = string.format(
[[BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//J.A.R.V.I.S.//EN
BEGIN:VEVENT
UID:%s
DTSTAMP:%s
DTSTART:%s
DTEND:%s
SUMMARY:%s
END:VEVENT
END:VCALENDAR]],
    uid, now_stamp, dt_start, dt_end, summary
)

local userprofile = jarvis.system.env("USERPROFILE") or "C:\\Users\\Public"
local dir = userprofile .. "\\Documents\\jarvis-events"
jarvis.fs.mkdir(dir)
local path = dir .. "\\event-" .. now_stamp .. ".ics"
jarvis.fs.write(path, ics)

-- Open via default handler (Outlook / Mail).
jarvis.system.open(path)

return jarvis.cmd.ok(string.format("Встреча создана: %s в %02d:%02d.", summary, hh, mm))