locals {
  # 1.  Collect every matching file – paths are relative to templates_dir
  template_files = fileset(
    "${path.root}/${var.templates_dir}",
    var.file_pattern
  )

  # 2.  Build a map:  group-name → { content = <file-text> }
  #     We strip the extension to get a neat group name.
  templates = {
    for rel_path in local.template_files :
    trimsuffix(basename(rel_path), ".tmpl") =>
    {
      content = file("${path.root}/${var.templates_dir}/${rel_path}")
    }
  }
}