local core = require "core"
local common = require "core.common"
local style = require "core.style"
local view = require "plugins.treeview"
local fsutils = require "plugins.treeview-extender.fsutils"

local actions = {}

function actions.duplicate_file()
  local old_filename = view.hovered_item.abs_filename
  core.command_view:set_text(view.hovered_item.filename)
  core.command_view:enter("Filename", function(filename)
    local new_filename = core.project_dir .. PATHSEP .. filename

    if (fsutils.is_object_exist(new_filename)) then
      core.error("[treeview-extender] Unable to copy file : %s to %s. Duplicate name exists.", old_filename, new_filename)
      return
    end

    fsutils.copy_file(old_filename, new_filename)

    core.root_view:open_doc(core.open_doc(new_filename))
    core.log("[treeview-extender] %s duplicated to %s", old_filename, new_filename)
  end, common.path_suggest)
end

function actions.copy_to()
  local source_filename = view.hovered_item.abs_filename
  core.command_view:set_text(view.hovered_item.abs_filename)
  core.command_view:enter("Copy to", function(dest_filename)
    if (fsutils.is_object_exist(dest_filename)) then
      -- Ask before rewriting
        local opt = {
          { font = style.font, text = "Yes", default_yes = true },
          { font = style.font, text = "No" , default_no = true }
        }
        core.nag_view:show(
          string.format("Rewrite existing file?"),
          string.format(
            "File %s already exist. Rewrite file?",
            dest_filename
          ),
          opt,
          function(item)
            if item.text == "Yes" then
              os.remove(dest_filename)
              fsutils.copy_file(source_filename, dest_filename)
            else
              return
            end
          end
        )
    else
      fsutils.copy_file(source_filename, dest_filename)
    end

    core.root_view:open_doc(core.open_doc(dest_filename))
    core.log("[treeview-extender] %s copied to %s", source_filename, dest_filename)
  end, common.path_suggest)
end

function actions.move_to()
    local old_abs_filename = view.hovered_item.abs_filename
    core.command_view:set_text(view.hovered_item.abs_filename)
    core.command_view:enter("Move to",
      function(new_abs_filename)
        if (fsutils.is_object_exist(new_abs_filename)) then
          -- Ask before rewriting
          local opt = {
            { font = style.font, text = "Yes", default_yes = true },
            { font = style.font, text = "No" , default_no = true }
          }
          core.nag_view:show(
            string.format("Rewrite existing file?"),
            string.format(
              "File %s already exist. Rewrite file?",
              new_abs_filename
            ),
            opt,
            function(item)
              if item.text == "Yes" then
                os.remove(new_abs_filename)
                fsutils.move_object(old_abs_filename, new_abs_filename)

                core.log("[treeview-extender] %s moved to %s", old_abs_filename, new_abs_filename)
              end
            end
          )
        else
          fsutils.move_object(old_abs_filename, new_abs_filename)
          core.log("[treeview-extender] %s moved to %s", old_abs_filename, new_abs_filename)
        end
      end
    )
  end

return actions