package briefing

import (
	"reflect"
	"testing"
)

func TestPreparedIdentityBuildsEquivalentMetadata(t *testing.T) {
	moduleContext := testModuleContext()
	context := BuildContext{
		Resolved: moduleContext.Resolved,
		Bundle:   moduleContext.Collected.Bundle(),
		Units:    moduleContext.Units,
		Timezone: moduleContext.Timezone,
		Location: moduleContext.Location,
	}
	identity := BuildPreparedIdentity(context)
	metadata := BuildMetadata(identity, context.Bundle)

	if metadata.RunID != identity.RunID || metadata.ReportID != identity.ReportID || metadata.Variant != identity.Variant || metadata.PromptID != identity.PromptID || !metadata.GeneratedAt.Equal(identity.GeneratedAt) || metadata.Units != identity.Units || metadata.Timezone != identity.Timezone || metadata.ValidPeriod != identity.ValidPeriod {
		t.Fatalf("metadata identity = %#v, want %#v", metadata, identity)
	}
	if !reflect.DeepEqual(metadata.Location, identity.Location) || !reflect.DeepEqual(metadata.SourceWarnings, identity.SourceWarnings) {
		t.Fatalf("metadata location/warnings = %#v/%#v, want %#v/%#v", metadata.Location, metadata.SourceWarnings, identity.Location, identity.SourceWarnings)
	}

	metadata.Location.Name = "consumer mutation"
	metadata.SourceWarnings = append(metadata.SourceWarnings, moduleContext.Collected.SourceWarnings[0])
	if identity.Location.Name == "consumer mutation" || len(identity.SourceWarnings) != len(moduleContext.Collected.SourceWarnings) {
		t.Fatalf("identity changed through metadata mutation: %#v", identity)
	}
}