1// SPDX-FileCopyrightText: Amolith <amolith@secluded.site>
 2//
 3// SPDX-License-Identifier: AGPL-3.0-or-later
 4
 5package task
 6
 7import (
 8	"context"
 9
10	"git.secluded.site/go-lunatask"
11	"git.secluded.site/lune/internal/mcp/shared"
12	"github.com/modelcontextprotocol/go-sdk/mcp"
13)
14
15// DeleteToolName is the name of the delete task tool.
16const DeleteToolName = "delete_task"
17
18// DeleteToolDescription describes the delete task tool for LLMs.
19const DeleteToolDescription = `Deletes a task from Lunatask.
20
21Required:
22- id: Task UUID or lunatask:// deep link
23
24This action is permanent and cannot be undone.`
25
26// DeleteInput is the input schema for deleting a task.
27type DeleteInput struct {
28	ID string `json:"id" jsonschema:"required"`
29}
30
31// DeleteOutput is the output schema for deleting a task.
32type DeleteOutput struct {
33	Success  bool   `json:"success"`
34	DeepLink string `json:"deep_link"`
35}
36
37// HandleDelete deletes a task.
38func (h *Handler) HandleDelete(
39	ctx context.Context,
40	_ *mcp.CallToolRequest,
41	input DeleteInput,
42) (*mcp.CallToolResult, DeleteOutput, error) {
43	_, id, err := lunatask.ParseReference(input.ID)
44	if err != nil {
45		return shared.ErrorResult("invalid ID: expected UUID or lunatask:// deep link"), DeleteOutput{}, nil
46	}
47
48	deepLink, _ := lunatask.BuildDeepLink(lunatask.ResourceTask, id)
49
50	if _, err := h.client.DeleteTask(ctx, id); err != nil {
51		return shared.ErrorResult(err.Error()), DeleteOutput{}, nil
52	}
53
54	return &mcp.CallToolResult{
55		Content: []mcp.Content{&mcp.TextContent{
56			Text: "Task deleted: " + deepLink,
57		}},
58	}, DeleteOutput{Success: true, DeepLink: deepLink}, nil
59}