import { ErrorCode, McpError } from '@modelcontextprotocol/sdk/types.js';
import { z } from 'zod';
import { getLinearClient } from '../../utils/linear-client.js';
import { defineTool } from '../shared/tool-definition.js';
// --- Project Milestone schema (localized) ---
export const DeleteProjectMilestoneInputSchema = z.object({
milestoneId: z.string().uuid('Invalid milestone ID'),
});
export const deleteProjectMilestoneTool = defineTool({
name: 'delete_project_milestone',
description: 'Deletes a milestone.',
inputSchema: DeleteProjectMilestoneInputSchema.shape,
handler: async ({ milestoneId }: z.infer<typeof DeleteProjectMilestoneInputSchema>) => {
const linear = getLinearClient();
try {
const deletePayload = await linear.deleteProjectMilestone(milestoneId);
if (!deletePayload.success) {
try {
await linear.projectMilestone(milestoneId);
throw new McpError(
ErrorCode.InternalError,
`Failed to delete project milestone "${milestoneId}" in Linear. Success: ${deletePayload.success}, Last Sync ID: ${deletePayload.lastSyncId}`,
);
} catch (_fetchError) {
throw new McpError(
ErrorCode.InvalidParams,
`Project milestone with ID "${milestoneId}" not found. Please verify the milestone ID.`,
);
}
}
return {
content: [
{
type: 'text',
text: JSON.stringify({
success: true,
message: `Project milestone "${milestoneId}" deleted successfully.`,
}),
},
],
};
} catch (error: unknown) {
if (error instanceof McpError) throw error;
const err = error as Error;
throw new McpError(
ErrorCode.InternalError,
`Failed to delete project milestone: ${err.message || 'Unknown error'}`,
);
}
},
});
