package keybase

import (
	"fmt"
	"os"
	"os/exec"
	"testing"
)

func createFakeExecCommand(caller string) func(command string, args ...string) *exec.Cmd {
	return func(command string, args ...string) *exec.Cmd {
		cs := []string{"-test.run=ExecHelper", "--"}
		cs = append(cs, args...)
		cmd := exec.Command(os.Args[0], cs...)
		cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1", "GO_WANT_HELPER_CALLER=" + caller}
		return cmd
	}
}

func TestNew(t *testing.T) {
	execCommand = createFakeExecCommand("new")
	defer func() { execCommand = exec.Command }()

	k := New()

	if expected := "keybase"; k.ExePath != expected {
		t.Errorf(`k.ExePath: expected "%s", got "%s"`, expected, k.ExePath)
	}
	if expected := ""; k.HomePath != expected {
		t.Errorf(`k.HomePath: expected "%s", got "%s"`, expected, k.HomePath)
	}

	k = New(
		SetExePath("/path/to/exepath"),
		SetHomePath("/path/to/homepath"),
	)

	if expected := "/path/to/exepath"; k.ExePath != expected {
		t.Errorf(`k.ExePath: expected "%s", got "%s"`, expected, k.ExePath)
	}
	if expected := "/path/to/homepath"; k.HomePath != expected {
		t.Errorf(`k.HomePath: expected "%s", got "%s"`, expected, k.HomePath)
	}
}

func TestExecHelper(t *testing.T) {
	if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
		return
	}

	var (
		listconvsonname = `{"result":{"conversations":[{"id":"0000b9d9be8586029d4876af2192b94d6705603cf6859fc27c746de94befd45c","channel":{"name":"mkbot","members_type":"team","topic_type":"chat"},"is_default_conv":false,"unread":true,"active_at":1589468132,"active_at_ms":1589468132734,"member_status":"active","creator_info":{"ctime":1551848940888,"username":"dxb"}},{"id":"0000d2c4d915aa04c093a25b9496cd885ff510f4eeeacac5a7249f65d82ed0ad","channel":{"name":"mkbot","members_type":"team","topic_type":"chat"},"is_default_conv":false,"unread":false,"active_at":1589633805,"active_at_ms":1589633805970,"member_status":"active","creator_info":{"ctime":1551848919282,"username":"dxb"}},{"id":"0000e967261971be5aae47d1cfd7d77e695d4a2f90e2ee35236ef3472b2884d4","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"gameroom"},"is_default_conv":false,"unread":true,"active_at":1589468113,"active_at_ms":1589468113173,"member_status":"active","creator_info":{"ctime":1566244683161,"username":"dxb"}},{"id":"0000d5ae3da566307f6c9906881e5bd08dc9a0bf8c341b5769240026e367c478","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"general"},"is_default_conv":true,"unread":false,"active_at":1589348381,"active_at_ms":1589348381358,"member_status":"active","creator_info":{"ctime":1551840458201,"username":"dxb"}},{"id":"0000d7cf1e6f51d75f9a354c2cb7c3bd30415f184bbb9eba0c57aa50827b7663","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"test1"},"is_default_conv":false,"unread":true,"active_at":1589468203,"active_at_ms":1589468203686,"member_status":"active","creator_info":{"ctime":1551849049656,"username":"dxb"}},{"id":"0000d0cf70804671490e7f8f21c207a1ac6a8bc2ee05db804fb4531ab6c06f05","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"test2"},"is_default_conv":false,"unread":true,"active_at":1589468118,"active_at_ms":1589468118254,"member_status":"active","creator_info":{"ctime":1551849050007,"username":"dxb"}},{"id":"000044e620fef1e84b623350faff06ebef7a0cd7e403ba81a1b35d311976b9f6","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"test3"},"is_default_conv":false,"unread":true,"active_at":1589468117,"active_at_ms":1589468117094,"member_status":"active","creator_info":{"ctime":1551849050351,"username":"dxb"}},{"id":"0000a8dd5969f6bb414562278a5abf8f3bd80b39d7cdcf0d3df5045f05fbac77","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"test4"},"is_default_conv":false,"unread":true,"active_at":1589468197,"active_at_ms":1589468197735,"member_status":"active","creator_info":{"ctime":1551849050729,"username":"dxb"}},{"id":"00004380e20bf4d56cf5e80a7435d594e07ebe043da93468c93c9bf0080f9ef5","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"test5"},"is_default_conv":false,"unread":true,"active_at":1589468203,"active_at_ms":1589468203980,"member_status":"active","creator_info":{"ctime":1551849051084,"username":"dxb"}},{"id":"00003bd0aa429c33eee546f20efb76c9e0a9854b0ca18278300bcf6fc4c4fb93","channel":{"name":"mkbot","members_type":"team","topic_type":"chat","topic_name":"trivia"},"is_default_conv":false,"unread":false,"active_at":1589468113,"active_at_ms":1589468113074,"member_status":"active","creator_info":{"ctime":1580428008401,"username":"dxb"}}],"offline":false}}`
		send            = `{"result":{"message":"message sent","id":894,"ratelimits":[{"tank":"chat","capacity":9000,"reset":155,"gas":8991}]}}`
	)

	var jsonOut string
	switch os.Getenv("GO_WANT_HELPER_CALLER") {
	case "listconvsonname":
		jsonOut = listconvsonname
	case "send":
		jsonOut = send
	default:
		jsonOut = ""
	}

	fmt.Fprintf(os.Stdout, jsonOut)
	os.Exit(0)
}