local function send_telemetry(event)
    local session_id = vim.v.servername
    if not session_id or session_id == '' then return end
    
    local file = vim.api.nvim_buf_get_name(0)
    local row, col = unpack(vim.api.nvim_win_get_cursor(0))
    
    local payload = string.format(
        '{"session_id": "%s", "event": "%s", "file": "%s", "line": %d, "col": %d}',
        session_id:gsub("\\", "\\\\"), event, file:gsub("\\", "\\\\"), row, col
    )
    
    vim.fn.jobstart({
        "curl", "-s", "-X", "POST", "http://127.0.0.1:3000/nvim/telemetry",
        "-H", "Content-Type: application/json",
        "-d", payload
    }, { detach = true })
end

local group = vim.api.nvim_create_augroup("GeminiTelemetry", { clear = true })

local events = { "FocusGained", "BufEnter", "VimEnter" }
for _, event in ipairs(events) do
    vim.api.nvim_create_autocmd(event, {
        group = group,
        callback = function() send_telemetry(event) end
    })
end