local lang = jarvis.context.language
local phrase = (jarvis.context.phrase or ""):lower()

local triggers = {
    "найди в википедии про", "википедия про", "расскажи про",
    "кто такая", "кто такой", "что такое",
    "tell me about", "wikipedia about", "who is", "what is",
    "розкажи про", "хто такий", "що таке",
}
local query = phrase
for _, t in ipairs(triggers) do
    local s, e = string.find(query, t, 1, true)
    if s == 1 then
        query = query:sub(e + 1)
        break
    end
end
query = query:gsub("^%s+", ""):gsub("%s+$", "")

if query == "" then
    jarvis.system.notify("Wiki", lang == "ru" and "О чём рассказать?" or "What to look up?")
    jarvis.audio.play_error()
    return { chain = false }
end

local function url_encode(s)
    return (s:gsub("([^%w%-_%.~])", function(c) return string.format("%%%02X", string.byte(c)) end))
end

local host = lang == "en" and "en.wikipedia.org" or "ru.wikipedia.org"

local search_url = string.format(
    "https://%s/w/api.php?action=opensearch&search=%s&limit=1&format=json",
    host, url_encode(query)
)
local search = jarvis.http.get(search_url)
if not search.ok then
    jarvis.system.notify("Wiki", "Поиск не удался")
    jarvis.audio.play_error()
    return { chain = false }
end

local title = search.body:match('%["[^"]+",%s*%["([^"]+)"')
if not title or title == "" then
    jarvis.system.notify("Wiki", (lang == "ru" and "Не нашёл: " or "Not found: ") .. query)
    jarvis.audio.play_not_found()
    return { chain = false }
end

local summary_url = string.format(
    "https://%s/api/rest_v1/page/summary/%s",
    host, url_encode(title)
)
local summary = jarvis.http.json(summary_url)
if not summary or type(summary) ~= "table" or not summary.extract then
    jarvis.system.notify("Wiki", "Не получил конспект")
    jarvis.audio.play_error()
    return { chain = false }
end

local extract = summary.extract
local article_title = summary.title or title

local token = jarvis.system.env("GROQ_TOKEN")
local say_text = extract:sub(1, 400)

if token and token ~= "" and #extract > 350 then
    local base  = jarvis.system.env("GROQ_BASE_URL"); if not base or base == "" then base = "https://api.groq.com/openai/v1" end
    local model = jarvis.system.env("GROQ_MODEL");    if not model or model == "" then model = "llama-3.3-70b-versatile" end
    local sys = lang == "ru"
        and "Тебе дана статья из Википедии. Перескажи суть простым разговорным языком в 2-3 предложения. Без 'википедия гласит' и подобных вступлений."
        or  "Summarise this Wikipedia text in 2-3 plain-language sentences. No 'wikipedia says' preambles."
    local payload = {
        model = model,
        messages = {
            { role = "system", content = sys },
            { role = "user",   content = extract:sub(1, 2500) },
        },
        max_tokens = 220,
        temperature = 0.3,
    }
    local lr = jarvis.http.post_json(base .. "/chat/completions", payload, { Authorization = "Bearer " .. token })
    if lr.ok then
        local c = (lr.body or ""):match('"content"%s*:%s*"(.-[^\\])"')
        if c then
            c = c:gsub('\\n', ' '):gsub('\\"', '"'):gsub('\\\\', '\\'):gsub("%s+", " ")
            say_text = c:gsub("^%s+", ""):gsub("%s+$", "")
        end
    end
end

jarvis.system.clipboard.set(article_title .. "\n\n" .. extract)
jarvis.system.notify(article_title, say_text:sub(1, 240))

local sapi = say_text:gsub("'", "''"):gsub("\r?\n", " ")
local ps = string.format(
    [[Add-Type -AssemblyName System.Speech; $s = New-Object System.Speech.Synthesis.SpeechSynthesizer; foreach ($v in $s.GetInstalledVoices()) { if ($v.VoiceInfo.Culture.TwoLetterISOLanguageName -eq 'ru') { try { $s.SelectVoice($v.VoiceInfo.Name); break } catch {} } } $s.Speak('%s')]],
    sapi
)
jarvis.system.exec(string.format('powershell -NoProfile -Command "%s"', ps:gsub('"', '\\"')))

jarvis.audio.play_ok()
return { chain = false }