package common

import (
	"encoding/json"
	"fmt"
	"os"
	"path/filepath"
	"testing"
)

func TestSceneMetadataDoesNotAddGroupsFromAnotherDimension(t *testing.T) {
	root, err := filepath.Abs(filepath.Join("..", ".."))
	if err != nil {
		t.Fatal(err)
	}
	config, err := os.ReadFile(filepath.Join(root, "server.json"))
	if err != nil {
		t.Fatal(err)
	}
	var version struct {
		ClientVersion string `json:"client_version"`
	}
	if err := json.Unmarshal(config, &version); err != nil {
		t.Fatal(err)
	}
	directory := t.TempDir()
	if err := os.Mkdir(filepath.Join(directory, "resources"), 0755); err != nil {
		t.Fatal(err)
	}
	configPath := filepath.Join(directory, "server.json")
	if err := os.WriteFile(configPath, config, 0600); err != nil {
		t.Fatal(err)
	}
	metadata := fmt.Sprintf(`{"client_version":%q,"floors":{"20":{
		"group_count":3,"dimension_id":0,"dimension_groups":{"0":[10,12]},
		"groups":{"10":{"load_side":"Server"},"11":{"load_side":"Server"},"12":{"load_side":"Server"}},
		"props":{"10":[{"groupId":10,"instId":1}],"11":[{"groupId":11,"instId":1}],"12":[{"groupId":12,"instId":1}]}
	}}}`, version.ClientVersion)
	if err := os.WriteFile(filepath.Join(directory, "resources", "SceneMetadata.json"), []byte(metadata), 0600); err != nil {
		t.Fatal(err)
	}
	t.Chdir(directory)
	t.Setenv("GAC_CONFIG", configPath)
	scene := &LevelOutputConfig{Scenes: map[uint32]SceneData{10: {}, 11: {}}}
	res := &JsonConfig{LevelOutputConfigs: map[uint32]map[string]*LevelOutputConfig{1: {"P1_F20": scene}}}
	applySceneMetadata(res)
	if _, exists := scene.Scenes[11]; exists {
		t.Fatal("a server group from another dimension was retained or re-added")
	}
	for _, group := range []uint32{10, 12} {
		if len(scene.Scenes[group].Props) != 1 {
			t.Fatalf("eligible group %d must retain refreshed props", group)
		}
	}
}