package osbuild

import (

	"bytes"

	"encoding/json"

	"reflect"

	"testing"

	"github.com/google/uuid"

)

func TestStage_UnmarshalJSON(t *testing.T) {

	nullUUID := uuid.MustParse("00000000-0000-0000-0000-000000000000")

	type fields struct {

		Name    string

		Options StageOptions

	}

	type args struct {

		data []byte

	}

	tests := []struct {

		name    string

		fields  fields

		args    args

		wantErr bool

	}{

		{

			name: "invalid json",

			args: args{

				data: []byte(`{"name":"org.osbuild.foo","options":{"bar":null}`),

			},

			wantErr: true,

		},

		{

			name: "unknown stage",

			args: args{

				data: []byte(`{"name":"org.osbuild.foo","options":{"bar":null}}`),

			},

			wantErr: true,

		},

		{

			name: "missing options",

			args: args{

				data: []byte(`{"name":"org.osbuild.locale"}`),

			},

			wantErr: true,

		},

		{

			name: "missing name",

			args: args{

				data: []byte(`{"foo":null,"options":{"bar":null}}`),

			},

			wantErr: true,

		},

		{

			name: "chrony",

			fields: fields{

				Name:    "org.osbuild.chrony",

				Options: &ChronyStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.chrony","options":{"timeservers":null}}`),

			},

		},

		{

			name: "firewall",

			fields: fields{

				Name:    "org.osbuild.firewall",

				Options: &FirewallStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.firewall","options":{}}`),

			},

		},

		{

			name: "fix-bls",

			fields: fields{

				Name:    "org.osbuild.fix-bls",

				Options: &FixBLSStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.fix-bls","options":{}}`),

			},

		},

		{

			name: "fstab",

			fields: fields{

				Name:    "org.osbuild.fstab",

				Options: &FSTabStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.fstab","options":{"filesystems":null}}`),

			},

		},

		{

			name: "groups",

			fields: fields{

				Name:    "org.osbuild.groups",

				Options: &GroupsStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.groups","options":{"groups":null}}`),

			},

		},

		{

			name: "grub2",

			fields: fields{

				Name: "org.osbuild.grub2",

				Options: &GRUB2StageOptions{

					RootFilesystemUUID: nullUUID,

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.grub2","options":{"root_fs_uuid":"00000000-0000-0000-0000-000000000000"}}`),

			},

		},

		{

			name: "grub2-uefi",

			fields: fields{

				Name: "org.osbuild.grub2",

				Options: &GRUB2StageOptions{

					RootFilesystemUUID: nullUUID,

					UEFI: &GRUB2UEFI{

						Vendor: "vendor",

					},

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.grub2","options":{"root_fs_uuid":"00000000-0000-0000-0000-000000000000","uefi":{"vendor":"vendor"}}}`),

			},

		},

		{

			name: "grub2-separate-boot",

			fields: fields{

				Name: "org.osbuild.grub2",

				Options: &GRUB2StageOptions{

					RootFilesystemUUID: nullUUID,

					BootFilesystemUUID: &nullUUID,

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.grub2","options":{"root_fs_uuid":"00000000-0000-0000-0000-000000000000","boot_fs_uuid":"00000000-0000-0000-0000-000000000000"}}`),

			},

		},

		{

			name: "hostname",

			fields: fields{

				Name:    "org.osbuild.hostname",

				Options: &HostnameStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.hostname","options":{"hostname":""}}`),

			},

		},

		{

			name: "keymap",

			fields: fields{

				Name:    "org.osbuild.keymap",

				Options: &KeymapStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.keymap","options":{"keymap":""}}`),

			},

		},

		{

			name: "locale",

			fields: fields{

				Name:    "org.osbuild.locale",

				Options: &LocaleStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.locale","options":{"language":""}}`),

			},

		},

		{

			name: "rhsm-empty",

			fields: fields{

				Name:    "org.osbuild.rhsm",

				Options: &RHSMStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.rhsm","options":{}}`),

			},

		},

		{

			name: "rhsm",

			fields: fields{

				Name: "org.osbuild.rhsm",

				Options: &RHSMStageOptions{

					DnfPlugins: &RHSMStageOptionsDnfPlugins{

						ProductID: &RHSMStageOptionsDnfPlugin{

							Enabled: false,

						},

						SubscriptionManager: &RHSMStageOptionsDnfPlugin{

							Enabled: false,

						},

					},

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.rhsm","options":{"dnf-plugins":{"product-id":{"enabled":false},"subscription-manager":{"enabled":false}}}}`),

			},

		},

		{

			name: "rpm-empty",

			fields: fields{

				Name:    "org.osbuild.rpm",

				Options: &RPMStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.rpm","options":{"packages":null}}`),

			},

		},

		{

			name: "rpm",

			fields: fields{

				Name: "org.osbuild.rpm",

				Options: &RPMStageOptions{

					GPGKeys: []string{"key1", "key2"},

					Packages: []RPMPackage{

						{

							Checksum: "checksum1",

						},

						{

							Checksum: "checksum2",

							CheckGPG: true,

						},

					},

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.rpm","options":{"gpgkeys":["key1","key2"],"packages":[{"checksum":"checksum1"},{"checksum":"checksum2","check_gpg":true}]}}`),

			},

		},

		{

			name: "rpm-ostree",

			fields: fields{

				Name: "org.osbuild.rpm-ostree",

				Options: &RPMOSTreeStageOptions{

					EtcGroupMembers: []string{

						"wheel",

					},

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.rpm-ostree","options":{"etc_group_members":["wheel"]}}`),

			},

		},

		{

			name: "script",

			fields: fields{

				Name:    "org.osbuild.script",

				Options: &ScriptStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.script","options":{"script":""}}`),

			},

		},

		{

			name: "selinux",

			fields: fields{

				Name:    "org.osbuild.selinux",

				Options: &SELinuxStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.selinux","options":{"file_contexts":""}}`),

			},

		},

		{

			name: "systemd",

			fields: fields{

				Name:    "org.osbuild.systemd",

				Options: &SystemdStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.systemd","options":{}}`),

			},

		},

		{

			name: "systemd-enabled",

			fields: fields{

				Name: "org.osbuild.systemd",

				Options: &SystemdStageOptions{

					EnabledServices: []string{"foo.service"},

				},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.systemd","options":{"enabled_services":["foo.service"]}}`),

			},

		},

		{

			name: "timezone",

			fields: fields{

				Name:    "org.osbuild.timezone",

				Options: &TimezoneStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.timezone","options":{"zone":""}}`),

			},

		},

		{

			name: "users",

			fields: fields{

				Name:    "org.osbuild.users",

				Options: &UsersStageOptions{},

			},

			args: args{

				data: []byte(`{"name":"org.osbuild.users","options":{"users":null}}`),

			},

		},

	}

	for _, tt := range tests {

		t.Run(tt.name, func(t *testing.T) {

			stage := &Stage{

				Name:    tt.fields.Name,

				Options: tt.fields.Options,

			}

			var gotStage Stage

			if err := gotStage.UnmarshalJSON(tt.args.data); (err != nil) != tt.wantErr {

				t.Errorf("Stage.UnmarshalJSON() error = %v, wantErr %v", err, tt.wantErr)

			}

			if tt.wantErr {

				return

			}

			gotBytes, err := json.Marshal(stage)

			if err != nil {

				t.Errorf("Could not marshal stage: %v", err)

			}

			if !bytes.Equal(gotBytes, tt.args.data) {

				t.Errorf("Expected `%v`, got `%v`", string(tt.args.data), string(gotBytes))

			}

			if !reflect.DeepEqual(&gotStage, stage) {

				t.Errorf("got {%v, %v}, expected {%v, %v}", gotStage.Name, gotStage.Options, stage.Name, stage.Options)

			}

		})

	}

}