local cmd_id = jarvis.context.command_id
local lang = jarvis.context.language
local is_light = (cmd_id == "theme_light")
local value = is_light and 1 or 0

local key = [[HKCU\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize]]
local ps = string.format(
    "Set-ItemProperty -Path 'Registry::%s' -Name AppsUseLightTheme -Value %d -Type DWord; "
    .. "Set-ItemProperty -Path 'Registry::%s' -Name SystemUsesLightTheme -Value %d -Type DWord",
    key, value, key, value
)
local res = jarvis.system.exec(string.format('powershell -NoProfile -Command "%s"', ps:gsub('"', '\\"')))

if res.success then
    jarvis.system.notify(
        lang == "ru" and "Тема" or "Theme",
        is_light and (lang == "ru" and "Светлая включена" or "Light enabled")
                  or (lang == "ru" and "Тёмная включена" or "Dark enabled")
    )
    jarvis.audio.play_ok()
else
    jarvis.log("error", "theme set failed: " .. tostring(res.stderr))
    jarvis.audio.play_error()
end

return { chain = false }