-- Read the most recent email in the default Inbox: speak FROM + SUBJECT +
-- a 1-sentence preview (~200 chars, HTML stripped) of the body.

local lang = jarvis.context.language
local helper = jarvis.context.command_path .. "\\_outlook.ps1"
local cmd = string.format(
    'powershell -NoProfile -ExecutionPolicy Bypass -File "%s" -Action latest',
    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 latest 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 lines = {}
for line in out:gmatch("[^\n]+") do
    table.insert(lines, line)
end

local status = lines[1] or ""
if status:sub(1, 3) == "ERR" then
    if status:find("empty_inbox", 1, true) then
        return jarvis.cmd.not_found(lang == "ru"
            and "Входящие пусты."
            or  "Inbox is empty.")
    end
    jarvis.log("warn", "outlook latest: " .. status)
    return jarvis.cmd.error(lang == "ru"
        and "Outlook недоступен — запусти Outlook сначала."
        or  "Outlook is unavailable — start Outlook first.")
end

local from, subject, preview = "", "", ""
for i = 2, #lines do
    local key, val = lines[i]:match("^([A-Z]+)\t(.*)$")
    if key == "FROM"    then from    = val or "" end
    if key == "SUBJECT" then subject = val or "" end
    if key == "PREVIEW" then preview = val or "" end
end

if from == "" and subject == "" then
    return jarvis.cmd.error(lang == "ru" and "Не получилось прочитать письмо." or "Could not read the email.")
end

local speech
if lang == "ru" then
    speech = string.format("Последнее письмо от %s. Тема: %s. %s",
        from ~= "" and from or "неизвестного отправителя",
        subject ~= "" and subject or "без темы",
        preview)
else
    speech = string.format("Latest email from %s. Subject: %s. %s",
        from ~= "" and from or "unknown sender",
        subject ~= "" and subject or "no subject",
        preview)
end

jarvis.system.notify(
    lang == "ru" and "Последнее письмо" or "Latest email",
    string.format("%s\n%s\n%s", from, subject, preview)
)
return jarvis.cmd.ok(speech)