local lfs = require "lfs"
local pl_path = require "pl.path"
local helpers = require "spec.helpers"
local test_prefix = helpers.test_conf.prefix
local shell = require "resty.shell"

local _

describe("Admin GUI - admin_gui_path", function()
  local client

  after_each(function()
    helpers.stop_kong()
    if client then
      client:close()
    end
  end)

  it("should serve Admin GUI correctly when admin_gui_path is unset", function()
    assert(helpers.start_kong({
      database = "off",
      admin_gui_listen = "127.0.0.1:9002",
    }))
    client = assert(helpers.admin_gui_client(nil, 9002))

    local err, gui_dir_path, gui_index_file_path
    gui_dir_path = pl_path.join(test_prefix, "gui")
    shell.run("rm -rf " .. gui_dir_path, nil, 0)
    _, err = lfs.mkdir(gui_dir_path)
    assert.is_nil(err)

    gui_index_file_path = pl_path.join(gui_dir_path, "index.html")

    local gui_index_file
    gui_index_file, err = io.open(gui_index_file_path, "w+")
    assert.is_nil(err)
    gui_index_file:write("TEST INDEX.HTML = /__km_base__/assets/image.png")
    gui_index_file:close()

    local res = assert(client:send {
      method = "GET",
      path = "/",
    })
    res = assert.res_status(200, res)
    assert.matches("TEST INDEX%.HTML = /assets/image%.png", res)
    client:close()

    res = assert(client:send {
      method = "GET",
      path = "/kconfig.js",
    })
    res = assert.res_status(200, res)
    assert.matches("'ADMIN_GUI_PATH': '/'", res, nil, true)
  end)

  it("should serve Admin GUI correctly when admin_gui_path is set", function()
    assert(helpers.start_kong({
      database = "off",
      admin_gui_listen = "127.0.0.1:9002",
      admin_gui_path = "/manager",
    }))
    client = assert(helpers.admin_gui_client(nil, 9002))

    local err, gui_dir_path, gui_index_file_path
    gui_dir_path = pl_path.join(test_prefix, "gui")
    shell.run("rm -rf " .. gui_dir_path, nil, 0)
    _, err = lfs.mkdir(gui_dir_path)
    assert.is_nil(err)

    gui_index_file_path = pl_path.join(gui_dir_path, "index.html")

    local gui_index_file
    gui_index_file, err = io.open(gui_index_file_path, "w+")
    assert.is_nil(err)
    gui_index_file:write("TEST INDEX.HTML = /__km_base__/assets/image.png")
    gui_index_file:close()

    local res = assert(client:send {
      method = "GET",
      path = "/",
    })
    assert.res_status(404, res)
    client:close()

    res = assert(client:send {
      method = "GET",
      path = "/any_other_test_path",
    })
    assert.res_status(404, res)
    client:close()

    res = assert(client:send {
      method = "GET",
      path = "/manager",
    })
    res = assert.res_status(200, res)
    assert.matches("TEST INDEX%.HTML = /manager/assets/image%.png", res)
    client:close()

    res = assert(client:send {
      method = "GET",
      path = "/kconfig.js",
    })
    assert.res_status(404, res)
    client:close()

    res = assert(client:send {
      method = "GET",
      path = "/any_other_test_path/kconfig.js",
    })
    assert.res_status(404, res)
    client:close()

    res = assert(client:send {
      method = "GET",
      path = "/manager/kconfig.js",
    })
    res = assert.res_status(200, res)
    assert.matches("'ADMIN_GUI_PATH': '/manager'", res, nil, true)
  end)
end)