import { linearMcpSetupMessage, callLinearMcp, firstArray } from './mcp.ts'

type Input = { query?: string; limit?: number }

/**
 * List Linear issues through the connected Linear MCP server.
 * @param input - Optional helper arguments (query, limit, filters).
 * @returns Structured helper result for agents.
 * @example
 * import listIssues from 'kody:@kody/linear-mcp/list-issues'
 * const result = await listIssues()
 * // => { ... }
 */
export default async function listIssues(input: Input = {}) {
	const mcp = await callLinearMcp(
		[
  "list_issues",
  "listIssues",
  "get_issues",
  "search"
],
		{ query: input.query?.trim() || undefined, limit: input.limit ?? 10 },
	)
	if (!mcp) {
		throw new Error(linearMcpSetupMessage())
	}
	return {
		via: 'mcp',
		tool: mcp.tool,
		issues: firstArray(mcp.result) ?? mcp.result,
	}
}