local M = {}

function M.get_current_file()
  local buf = vim.api.nvim_get_current_buf()
  local path = vim.api.nvim_buf_get_name(buf)
  if path == "" then
    path = "untitled"
  end
  local lines = vim.api.nvim_buf_get_lines(buf, 0, -1, false)
  local content = table.concat(lines, "\n")
  return content, path
end

function M.get_project_structure()
  local handle = io.popen("git ls-files 2>/dev/null")
  if handle then
    local result = handle:read("*a")
    handle:close()
    if result and result ~= "" then
      return "Files:\n" .. result
    end
  end

  local dhandle = io.popen("find . -type f")
  if dhandle then
    local dresult = dhandle:read("*a")
    dhandle:close()
    return "Files:\n" .. (dresult or "")
  end

  return "No files found."
end

local function get_git_root()
  local handle = io.popen("git rev-parse --show-toplevel 2>/dev/null")
  if handle then
    local root = handle:read("*l")
    handle:close()
    return root
  end
  return nil
end

function M.get_readme_content()
  local root = get_git_root()
  if not root then
    return nil
  end
  local readme_path = root .. "/README.md"
  local f = io.open(readme_path, "r")
  if f then
    local content = f:read("*a")
    f:close()
    if content and content ~= "" then
      return content
    end
  end
  return nil
end

return M