package main

// getString extracts a string value from content map.
func getString(content map[string]any, key string) string {
	if v, ok := content[key].(string); ok {
		return v
	}
	return ""
}

// getBool extracts a bool value from content map. Defaults to defaultVal.
func getBool(content map[string]any, key string, defaultVal bool) bool {
	if v, ok := content[key].(bool); ok {
		return v
	}
	return defaultVal
}

// getSlice extracts a slice of maps from content.
func getSlice(content map[string]any, key string) []map[string]any {
	if v, ok := content[key].([]any); ok {
		result := make([]map[string]any, 0, len(v))
		for _, item := range v {
			if m, ok := item.(map[string]any); ok {
				result = append(result, m)
			}
		}
		return result
	}
	return nil
}

// getNumberSlice extracts a slice of numbers from content. Handles JSON float64.
func getNumberSlice(content map[string]any, key string) []float64 {
	if v, ok := content[key].([]any); ok {
		result := make([]float64, 0, len(v))
		for _, item := range v {
			switch n := item.(type) {
			case float64:
				result = append(result, n)
			case int:
				result = append(result, float64(n))
			}
		}
		return result
	}
	return nil
}