enc: add gemini chat

lua/gemini/init.lua

@@ -0,0 +1,53 @@
+local M = {}
+M.last_popup_win = nil
+M.last_popup_buf = nil
+
+function M.ask_gemini()
+  -- Ambil path file buffer aktif
+  --[[  local buf_path = vim.api.nvim_buf_get_name(0)
+  if buf_path ~= "" then
+    local dir = vim.fn.fnamemodify(buf_path, ":h")
+    vim.api.nvim_set_current_dir(dir)
+  end ]]
+
+  vim.ui.input({ prompt = "Prompt ke Gemini: " }, function(prompt)
+    if not prompt or prompt == "" then
+      vim.notify("Prompt kosong", vim.log.levels.WARN)
+      return
+    end
+
+    M.show_popup("Loading...")
+
+    vim.schedule(function()
+      local output = vim.fn.system('gemini --prompt "' .. prompt .. '"')
+      M.show_popup(output)
+    end)
+  end)
+end
+
+function M.show_popup(output)
+  if M.last_popup_win and vim.api.nvim_win_is_valid(M.last_popup_win) then
+    vim.api.nvim_win_close(M.last_popup_win, true)
+  end
+  if M.last_popup_buf and vim.api.nvim_buf_is_valid(M.last_popup_buf) then
+    vim.api.nvim_buf_delete(M.last_popup_buf, { force = true })
+  end
+
+  local buf = vim.api.nvim_create_buf(false, true)
+  vim.api.nvim_buf_set_lines(buf, 0, -1, false, vim.split(output or "", "\n"))
+  local width = math.floor(vim.o.columns * 0.6)
+  local height = math.floor(vim.o.lines * 0.8)
+  local win = vim.api.nvim_open_win(buf, true, {
+    relative = "editor",
+    width = width,
+    height = height,
+    row = math.floor((vim.o.lines - height) / 2),
+    col = math.floor((vim.o.columns - width) / 2),
+    style = "minimal",
+    border = "rounded",
+  })
+  M.last_popup_win = win
+  M.last_popup_buf = buf
+end
+
+return M