package cmd

import (
	"os"
	"os/exec"
	"testing"

	"github.com/spf13/viper"
	"github.com/stretchr/testify/assert"
)

func TestInitConfig(t *testing.T) {
	viper.Reset()
	viper.Set("deployment", "testing")
	viper.Set("image_dir", "/tmp")
	viper.Set("webserver_port", "8080")
	viper.Set("mqtt_broker_url", "mqtt://example.com:1883")
	viper.Set("mqtt_broker_user", "testuser")
	viper.Set("mqtt_broker_password", "testpass")
	viper.Set("mqtt_presence_topic", "home/foo/test")
	viper.Set("kiosk_cmd_screen_on", "echo screen on")
	viper.Set("kiosk_cmd_screen_off", "echo screen off")

	initConfig()
	assert.Equal(t, gitVersion, viper.GetString("version"), "config version mismatch")
}

func TestInitConfigMissingImageDir(t *testing.T) {
	if os.Getenv("TEST_MISSING_INPUT") == "1" {
		viper.Reset()
		viper.Set("deployment", "testing")
		viper.Set("version", "vTest")
		viper.Set("webserver_port", "8080")
		viper.Set("mqtt_broker_url", "mqtt://example.com:1883")
		viper.Set("mqtt_broker_user", "testuser")
		viper.Set("mqtt_broker_password", "testpass")
		viper.Set("mqtt_presence_topic", "home/foo/test")
		viper.Set("kiosk_cmd_screen_on", "echo screen on")
		viper.Set("kiosk_cmd_screen_off", "echo screen off")

		initConfig()
		return
	}
	cmd := exec.Command(os.Args[0], "-test.run=TestInitConfigMissingImageDir")
	cmd.Env = append(os.Environ(), "TEST_MISSING_INPUT=1")
	err := cmd.Run()
	if e, ok := err.(*exec.ExitError); ok && !e.Success() {
		return
	}
	t.Fatalf("process ran with err %v, want exit status 1", err)
}