-- Voice-controlled Outlook: report number of unread emails in default Inbox.
-- The PowerShell helper talks to Outlook via COM; if Outlook is closed or
-- COM fails we degrade gracefully with an explanatory message.

local lang = jarvis.context.language
local helper = jarvis.context.command_path .. "\\_outlook.ps1"
local cmd = string.format(
    'powershell -NoProfile -ExecutionPolicy Bypass -File "%s" -Action unread_count',
    helper
)

local res = jarvis.system.exec(cmd)
local out = (res.stdout or ""):gsub("\r", "")

if not res.success or out == "" then
    jarvis.log("error", "outlook unread_count exec failed: " .. tostring(res.stderr))
    return jarvis.cmd.error(lang == "ru"
        and "Outlook недоступен — запусти Outlook сначала."
        or  "Outlook is unavailable — start Outlook first.")
end

local first_line, rest = out:match("^([^\n]*)\n?(.*)$")
first_line = first_line or ""

if first_line:sub(1, 3) == "ERR" then
    jarvis.log("warn", "outlook unread_count: " .. first_line)
    return jarvis.cmd.error(lang == "ru"
        and "Outlook недоступен — запусти Outlook сначала."
        or  "Outlook is unavailable — start Outlook first.")
end

local count_str = (rest or ""):match("(%d+)") or "0"
local count = tonumber(count_str) or 0

local speech
if lang == "ru" then
    if count == 0 then
        speech = "Непрочитанных писем нет."
    elseif count == 1 then
        speech = "Одно непрочитанное письмо."
    else
        speech = string.format("Непрочитанных писем: %d.", count)
    end
else
    if count == 0 then
        speech = "No unread emails."
    elseif count == 1 then
        speech = "One unread email."
    else
        speech = string.format("You have %d unread emails.", count)
    end
end

jarvis.system.notify(lang == "ru" and "Outlook" or "Outlook", speech)
return jarvis.cmd.ok(speech)