// -*- Mode: Go; indent-tabs-mode: t -*-

/*
 * Copyright (C) 2016 Canonical Ltd
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package main_test

import (
	"fmt"
	"net/http"

	. "gopkg.in/check.v1"

	. "github.com/snapcore/snapd/cmd/snap"
)

func (s *SnapSuite) TestAliasHelp(c *C) {
	msg := `Usage:
  snap.test [OPTIONS] alias [<snap.app>] [<alias>]

The alias command aliases the given snap application to the given alias.

Once this manual alias is setup the respective application command can be
invoked just using the alias.

Application Options:
      --version         Print the version and exit

Help Options:
  -h, --help            Show this help message
`
	rest, err := Parser().ParseArgs([]string{"alias", "--help"})
	c.Assert(err.Error(), Equals, msg)
	c.Assert(rest, DeepEquals, []string{})
}

func (s *SnapSuite) TestAlias(c *C) {
	s.RedirectClientToTestServer(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/v2/aliases":
			c.Check(r.Method, Equals, "POST")
			c.Check(DecodedRequestBody(c, r), DeepEquals, map[string]interface{}{
				"action": "alias",
				"snap":   "alias-snap",
				"app":    "cmd1",
				"alias":  "alias1",
			})
			fmt.Fprintln(w, `{"type":"async", "status-code": 202, "change": "zzz"}`)
		case "/v2/changes/zzz":
			c.Check(r.Method, Equals, "GET")
			fmt.Fprintln(w, `{"type":"sync", "result":{"ready": true, "status": "Done", "data": {"aliases-added": [{"alias": "alias1", "snap": "alias-snap", "app": "cmd1"}]}}}`)
		default:
			c.Fatalf("unexpected path %q", r.URL.Path)
		}
	})
	rest, err := Parser().ParseArgs([]string{"alias", "alias-snap.cmd1", "alias1"})
	c.Assert(err, IsNil)
	c.Assert(rest, DeepEquals, []string{})
	c.Assert(s.Stdout(), Equals, ""+
		"Added:\n"+
		"  - alias-snap.cmd1 as alias1\n",
	)
	c.Assert(s.Stderr(), Equals, "")
}
