package main

// getString extracts a string value from a content map.
// Returns "" when the key is missing or holds a non-string value.
func getString(content map[string]any, key string) string {
	if v, ok := content[key].(string); ok {
		return v
	}
	return ""
}

// getStringOr extracts a string with a fallback for empty/missing values.
func getStringOr(content map[string]any, key, fallback string) string {
	if v := getString(content, key); v != "" {
		return v
	}
	return fallback
}

// getFloat extracts a float from content.
func getFloat(content map[string]any, key string, defaultVal float64) float64 {
	if v, ok := content[key].(float64); ok {
		return v
	}
	if v, ok := content[key].(int); ok {
		return float64(v)
	}
	return defaultVal
}

// getBoolish reads "yes"/"no" select fields or actual booleans into a bool.
func getBoolish(content map[string]any, key string, defaultVal bool) bool {
	if v, ok := content[key].(bool); ok {
		return v
	}
	if v, ok := content[key].(string); ok {
		switch v {
		case "yes", "true", "1", "on":
			return true
		case "no", "false", "0", "off":
			return false
		}
	}
	return defaultVal
}

// getSlice extracts a slice of maps from a content map (collections/arrays
// of objects).
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
}

// getStringSlice extracts a slice of strings (e.g. social URLs).
func getStringSlice(content map[string]any, key string) []string {
	if v, ok := content[key].([]any); ok {
		result := make([]string, 0, len(v))
		for _, item := range v {
			if s, ok := item.(string); ok && s != "" {
				result = append(result, s)
			}
		}
		return result
	}
	return nil
}

// safeLink returns href if non-empty, otherwise "#".
func safeLink(href string) string {
	if href == "" {
		return "#"
	}
	return href
}