package lane

import (
	"path/filepath"
	"strings"

	"inbox/internal/base/slug"
)

func DefaultBranchName(workspaceSlug, topicID, laneSlug string) string {
	return "lane/" + runtimeWorkspaceSlug(workspaceSlug) + "/" + runtimeLaneSlug(laneSlug) + "-" + runtimeTopicSuffix(topicID)
}

func DefaultWorktreePath(workspaceRoot, workspaceSlug, topicID, laneSlug string) string {
	return filepath.Join(filepath.Dir(workspaceRoot), runtimeWorkspaceSlug(workspaceSlug)+"--"+runtimeLaneSlug(laneSlug)+"--"+runtimeTopicSuffix(topicID))
}

func DefaultContainerName(workspaceSlug, topicID, laneSlug string) string {
	return "lane-" + runtimeWorkspaceSlug(workspaceSlug) + "-" + runtimeLaneSlug(laneSlug) + "-" + runtimeTopicSuffix(topicID)
}

func runtimeWorkspaceSlug(value string) string {
	if normalized := slug.Normalize(value); normalized != "" {
		return normalized
	}
	return "workspace"
}

func runtimeLaneSlug(value string) string {
	if normalized := slug.Normalize(value); normalized != "" {
		return normalized
	}
	return "lane"
}

func runtimeTopicSuffix(value string) string {
	normalized := slug.Normalize(strings.TrimPrefix(strings.TrimSpace(value), "topic-"))
	if normalized == "" {
		return "topic"
	}
	if len(normalized) > 12 {
		return normalized[len(normalized)-12:]
	}
	return normalized
}