--http://spbtvonline.ru/kanaly-tv/anekdot_tv.html
--http://spbtvonline.ru/kanaly-tv/pervyi-kanal-online.html
--http://spbtvonline.ru/kanaly-tv/rossiia_1.html

function probe()
    if vlc.access ~= "http" and vlc.access ~= "https" then
        return false
    end
    return vlc.path:match("spbtvonline%.ru/kanaly%-tv")
        or vlc.path:match("tv3%.spr%.spbtv%.com")
end


function addParameter( url, param )
    if url:match( "%?" ) then
        url = url .. "&"
    else
        url = url .. "?"
    end
    return url .. param
end


function trim1(s)
  return (s:gsub("^%s*(.-)%s*$", "%1"))
end


-- Parse function.
function parse()
    local html = vlc.read(200000)

    if vlc.path:match("tv3.spr.spbtv.com") then
        url = "http://spbtv.cdn.spbtv.com/" .. html:match("spbtv%.cdn%.spbtv%.com/(.-)%.m3u8") .. "-inadv-qidx-1k_v2.m3u8"
        url = url:gsub("657%-inadv%-qidx%-1k_v2", "657%-2064k")
        url = url:gsub("514%-inadv%-qidx%-1k_v2", "514%-2064k")
        url = url:gsub("515%-inadv%-qidx%-1k_v2", "515%-2064k")
        title = vlc.path:match("title=([^&]+)" )
        img   = vlc.path:match("poster=([^&]+)")

        if not url then
            vlc.msg.err("Couldn't find url to stream in the "..vlc.access.."://"..vlc.path)
        end
        if title then title = vlc.strings.decode_uri(title) end
        if img then img = vlc.strings.decode_uri(img  ) end

    else
        urlid = html:match("'#ch_(.-)'%)%.addClass" )
        title = html:match("<title>(.-)</title>" )
        img = "http://spbtvonline.ru/tafiimage/" .. urlid .. ".png"

        if not urlid then
            vlc.msg.err("Couldn't find iframe url in the "..vlc.access.."://"..vlc.path)
            return {}
        end
        if urlid then
            url = "http://tv3.spr.spbtv.com/v1/channels/" .. urlid .. "/stream?protocol=hls"
            url = addParameter(url, "poster="..vlc.strings.encode_uri_component(img))
        end
        if title then
            title = trim1(title:gsub("смотреть", ""))
            title = trim1(title:gsub("Смотреть", ""))
            title = trim1(title:gsub("Смотрите", ""))
            title = trim1(title:gsub("онлайн", ""))
            title = trim1(title:gsub("ТВ каналы", ""))
            title = trim1(title:gsub("SPB TV", ""))
            title = trim1(title:gsub("бесплатно!", ""))
            title = trim1(title:gsub("бесплатно", ""))
            title = trim1(title:gsub("в прямом эфире", ""))
            title = trim1(title:gsub(" SPB", ""))
            title = trim1(title:gsub(" »", ""))
            title = title:gsub(" %-", "")
            url = addParameter(url, "title="..vlc.strings.encode_uri_component(title))
        end
    end

    item = {}
    item.path    = url
    item.title   = title
    item.arturl  = img
    item.options = { ":http-user-agent=Mozilla/5.0"; ':http-referrer='..vlc.access.."://"..vlc.path } 
    return { item }
end