package main

import (
	"bytes"
	"os"
	"testing"

	"github.com/stretchr/testify/require"
)

func TestEmpty(t *testing.T) {
	config, err := LoadConfig("testdata/empty-config.toml")
	require.NoError(t, err)
	require.NotNil(t, config)
	require.Equal(t, GetDefaultConfig(), config)
}

func TestNonExisting(t *testing.T) {
	config, err := LoadConfig("testdata/non-existing-config.toml")
	require.Nil(t, err)
	require.Equal(t, config, GetDefaultConfig())
}

func TestDefaultConfig(t *testing.T) {
	defaultConfig := GetDefaultConfig()

	require.False(t, defaultConfig.Koji.EnableJWT)
	require.Equal(t, "", defaultConfig.Koji.JWTKeysCA)
	require.False(t, defaultConfig.Worker.EnableJWT)
	require.Equal(t, "", defaultConfig.Worker.JWTKeysCA)

	require.Equal(t, KojiAPIConfig{
		EnableTLS:  true,
		EnableMTLS: true,
		EnableJWT:  false,
	}, defaultConfig.Koji)

	require.Equal(t, WorkerAPIConfig{
		RequestJobTimeout: "0",
		BasePath:          "/api/worker/v1",
		EnableArtifacts:   true,
		EnableTLS:         true,
		EnableMTLS:        true,
		EnableJWT:         false,
	}, defaultConfig.Worker)

	expectedWeldrAPIConfig := WeldrAPIConfig{
		DistroConfigs: map[string]WeldrDistroConfig{
			"rhel-*": {
				[]string{
					"azure-eap7-rhui",
					"azure-rhui",
					"azure-sap-rhui",
					"ec2",
					"ec2-ha",
					"ec2-sap",
					"gce-rhui",
				},
			},
		},
	}

	require.Equal(t, expectedWeldrAPIConfig, defaultConfig.WeldrAPI)

	expectedDistroAliases := map[string]string{
		"rhel-7": "rhel-7.9",
		"rhel-8": "rhel-8.10",
		"rhel-9": "rhel-9.4",
	}
	require.Equal(t, expectedDistroAliases, defaultConfig.DistroAliases)

	require.Equal(t, "text", defaultConfig.LogFormat)
}

func TestConfig(t *testing.T) {
	config, err := LoadConfig("testdata/test.toml")
	require.NoError(t, err)
	require.NotNil(t, config)

	require.Equal(t, config.Koji.AllowedDomains, []string{"osbuild.org"})
	require.Equal(t, config.Koji.CA, "/etc/osbuild-composer/ca-crt.pem")

	require.Equal(t, config.Worker.AllowedDomains, []string{"osbuild.org"})
	require.Equal(t, config.Worker.CA, "/etc/osbuild-composer/ca-crt.pem")

	require.Equal(t, []string{"qcow2", "vmdk"}, config.WeldrAPI.DistroConfigs["*"].ImageTypeDenyList)
	require.Equal(t, []string{"qcow2"}, config.WeldrAPI.DistroConfigs["rhel-84"].ImageTypeDenyList)

	require.Equal(t, "overwrite-me-db", config.Worker.PGDatabase)

	require.NoError(t, os.Setenv("PGDATABASE", "composer-db"))
	config, err = LoadConfig("testdata/test.toml")
	require.NoError(t, err)
	require.NotNil(t, config)
	require.Equal(t, "composer-db", config.Worker.PGDatabase)

	require.False(t, config.Koji.EnableJWT)
	require.Equal(t, []string{"https://sso.redhat.com/auth/realms/redhat-external/protocol/openid-connect/certs"}, config.Koji.JWTKeysURLs)
	require.Equal(t, "", config.Koji.JWTKeysCA)
	require.Equal(t, "/var/lib/osbuild-composer/acl", config.Koji.JWTACLFile)

	// 'rhel-8' and 'rhel-9' aliases are overwritten by the config file
	expectedDistroAliases := map[string]string{
		"rhel-7": "rhel-7.9", // this value is from the default config
		"rhel-8": "rhel-8.9",
		"rhel-9": "rhel-9.3",
	}
	require.Equal(t, expectedDistroAliases, config.DistroAliases)
}

func TestWeldrDistrosImageTypeDenyList(t *testing.T) {
	config, err := LoadConfig("testdata/test.toml")
	require.NoError(t, err)
	require.NotNil(t, config)

	expectedWeldrDistrosImageTypeDenyList := map[string][]string{
		"*":       {"qcow2", "vmdk"},
		"rhel-84": {"qcow2"},
	}

	require.Equal(t, expectedWeldrDistrosImageTypeDenyList, config.weldrDistrosImageTypeDenyList())
}

func TestDumpConfig(t *testing.T) {
	config := &ComposerConfigFile{
		Worker: WorkerAPIConfig{
			PGPassword: "sensitive",
		},
	}

	var buf bytes.Buffer
	require.NoError(t, DumpConfig(*config, &buf))
	require.Contains(t, buf.String(), "pg_password = \"\"")
	require.NotContains(t, buf.String(), "sensitive")
	// DumpConfig takes a copy
	require.Equal(t, "sensitive", config.Worker.PGPassword)
}