package service

import (
	"encoding/json"
	"fmt"
	"strings"

	"browser.local/platform/domain"
)

func mergePluginDataValues(existing, incoming map[string]any) map[string]any {
	merged := domain.CopyGameClientBridgePayload(existing)
	if merged == nil {
		merged = make(map[string]any, len(incoming))
	}
	for key, value := range incoming {
		merged[key] = value
	}
	return merged
}

func pluginDataRowKey(value map[string]any, keys []string) (string, error) {
	parts := make([]string, len(keys))
	for index, key := range keys {
		item, exists := value[key]
		if !exists || item == nil || strings.TrimSpace(fmt.Sprint(item)) == "" {
			return "", validationError("declared plugin data row is missing an upsert key")
		}
		encoded, err := json.Marshal(item)
		if err != nil {
			return "", validationError("declared plugin data row upsert key is invalid")
		}
		parts[index] = string(encoded)
	}
	if len(parts) == 1 {
		var key string
		if err := json.Unmarshal([]byte(parts[0]), &key); err == nil {
			return key, nil
		}
	}
	return strings.Join(parts, "\x1f"), nil
}