package main

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

// getStringOr returns the string value for key or the default when missing/empty.
func getStringOr(content map[string]any, key, dflt string) string {
	if v := getString(content, key); v != "" {
		return v
	}
	return dflt
}

// getBool extracts a boolean value, defaulting to dflt when absent.
func getBool(content map[string]any, key string, dflt bool) bool {
	if v, ok := content[key].(bool); ok {
		return v
	}
	return dflt
}

// getStringSlice extracts a []string from a JSON array of strings.
func getStringSlice(content map[string]any, key string) []string {
	raw, ok := content[key].([]any)
	if !ok {
		return nil
	}
	out := make([]string, 0, len(raw))
	for _, item := range raw {
		if s, ok := item.(string); ok {
			out = append(out, s)
		}
	}
	return out
}

// getSlice extracts a []map[string]any from a JSON array of objects.
func getSlice(content map[string]any, key string) []map[string]any {
	raw, ok := content[key].([]any)
	if !ok {
		return nil
	}
	out := make([]map[string]any, 0, len(raw))
	for _, item := range raw {
		if m, ok := item.(map[string]any); ok {
			out = append(out, m)
		}
	}
	return out
}