package engineversion

import (
	"testing"
	"time"

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

func validVersion() EngineVersion {
	created := time.Date(2026, 4, 27, 12, 0, 0, 0, time.UTC)
	return EngineVersion{
		Version:   "v1.2.3",
		ImageRef:  "ghcr.io/galaxy/game:v1.2.3",
		Options:   []byte(`{"max_planets":120}`),
		Status:    StatusActive,
		CreatedAt: created,
		UpdatedAt: created,
	}
}

func TestStatusIsKnown(t *testing.T) {
	for _, status := range AllStatuses() {
		assert.True(t, status.IsKnown(), "want known: %q", status)
	}
	assert.False(t, Status("retired").IsKnown())
	assert.False(t, Status("").IsKnown())
}

func TestEngineVersionValidateHappy(t *testing.T) {
	require.NoError(t, validVersion().Validate())
}

func TestEngineVersionValidateAcceptsEmptyOptions(t *testing.T) {
	record := validVersion()
	record.Options = nil
	assert.NoError(t, record.Validate())
}

func TestEngineVersionValidateRejects(t *testing.T) {
	tests := []struct {
		name   string
		mutate func(*EngineVersion)
	}{
		{"empty version", func(v *EngineVersion) { v.Version = "" }},
		{"empty image ref", func(v *EngineVersion) { v.ImageRef = "" }},
		{"unknown status", func(v *EngineVersion) { v.Status = "exotic" }},
		{"zero created at", func(v *EngineVersion) { v.CreatedAt = time.Time{} }},
		{"zero updated at", func(v *EngineVersion) { v.UpdatedAt = time.Time{} }},
		{"updated before created", func(v *EngineVersion) {
			v.UpdatedAt = v.CreatedAt.Add(-time.Minute)
		}},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			record := validVersion()
			tt.mutate(&record)
			assert.Error(t, record.Validate())
		})
	}
}