/**
 * tool-helpers.ts — Shared resolution helpers for tool execute() functions.
 *
 * Eliminates repeated boilerplate across tools: workspace validation,
 * project resolution, provider creation.
 */
import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
import type { ToolContext } from "./types.js";
import { readProjects, getProject, type Project, type ProjectsData } from "./projects.js";
import { createProvider, type ProviderWithType } from "./providers/index.js";

/**
 * Require workspaceDir from context or throw a clear error.
 */
export function requireWorkspaceDir(ctx: ToolContext): string {
  if (!ctx.workspaceDir) {
    throw new Error("No workspace directory available in tool context");
  }
  return ctx.workspaceDir;
}

/**
 * Resolve project by groupId, throw if not found.
 */
export async function resolveProject(
  workspaceDir: string,
  groupId: string,
): Promise<{ data: ProjectsData; project: Project }> {
  const data = await readProjects(workspaceDir);
  const project = getProject(data, groupId);
  if (!project) {
    throw new Error(`Project not found for groupId ${groupId}. Run project_register first.`);
  }
  return { data, project };
}

/**
 * Create an issue provider for a project.
 * Uses stored provider type from project config if available, otherwise auto-detects.
 */
export async function resolveProvider(project: Project): Promise<ProviderWithType> {
  return createProvider({ repo: project.repo, provider: project.provider });
}

/**
 * Get plugin config as a typed record (or undefined).
 */
export function getPluginConfig(api: OpenClawPluginApi): Record<string, unknown> | undefined {
  return api.pluginConfig as Record<string, unknown> | undefined;
}
