import { z } from 'zod';
import { TaskPriority, TaskStatus } from '../types/taskTypes.js'; // Import shared types
export const TOOL_NAME = "updateTask";
export const TOOL_DESCRIPTION = `
Updates specific details of an existing task within a project.
Requires the project ID and task ID. Allows updating description, priority, and/or dependencies.
At least one optional field (description, priority, dependencies) must be provided.
Returns the full details of the updated task upon success.
`;
// Define the possible priority values based on the shared type
const priorities: [TaskPriority, ...TaskPriority[]] = ['high', 'medium', 'low'];
// Base Zod schema without refinement - needed for server.tool registration
export const UPDATE_TASK_BASE_SCHEMA = z.object({
project_id: z.string()
.uuid("The project_id must be a valid UUID.")
.describe("The unique identifier (UUID) of the project containing the task to update. This project must exist."), // Required, UUID format
task_id: z.string()
.uuid("The task_id must be a valid UUID.") // Assuming task IDs are UUIDs for consistency
.describe("The unique identifier (UUID) of the task to update. This task must exist within the specified project."), // Required, UUID format
description: z.string()
.min(1, "Description cannot be empty if provided.")
.max(1024, "Description cannot exceed 1024 characters.")
.optional()
.describe("Optional. The new textual description for the task (1-1024 characters)."), // Optional, string, limits
priority: z.enum(priorities)
.optional()
.describe("Optional. The new priority level for the task ('high', 'medium', or 'low')."), // Optional, enum
dependencies: z.array(
z.string()
.uuid("Each dependency task ID must be a valid UUID.")
.describe("A task ID (UUID) that this task should depend on.")
)
.max(50, "A task cannot have more than 50 dependencies.")
.optional()
.describe("Optional. The complete list of task IDs (UUIDs) that this task depends on. Replaces the existing list entirely. Max 50 dependencies."), // Optional, array of UUID strings, limit
});
// Refined schema for validation and type inference
export const TOOL_PARAMS = UPDATE_TASK_BASE_SCHEMA.refine(
data => data.description !== undefined || data.priority !== undefined || data.dependencies !== undefined, {
message: "At least one field to update (description, priority, or dependencies) must be provided.",
// path: [], // No specific path, applies to the object
}
);
// Define the expected type for arguments based on the *refined* Zod schema
export type UpdateTaskArgs = z.infer<typeof TOOL_PARAMS>;
