1// SPDX-FileCopyrightText: Amolith <amolith@secluded.site>
 2//
 3// SPDX-License-Identifier: AGPL-3.0-or-later
 4
 5// Package areas provides the list_areas_and_goals MCP tool.
 6package areas
 7
 8import (
 9	"context"
10	"fmt"
11	"strings"
12
13	"github.com/mark3labs/mcp-go/mcp"
14
15	"git.sr.ht/~amolith/lunatask-mcp-server/tools/shared"
16)
17
18// Handler handles area-related MCP tool calls.
19type Handler struct {
20	areas []shared.AreaProvider
21}
22
23// NewHandler creates a new areas Handler.
24func NewHandler(areas []shared.AreaProvider) *Handler {
25	return &Handler{areas: areas}
26}
27
28// Handle handles the list_areas_and_goals tool call.
29func (h *Handler) Handle(
30	_ context.Context,
31	_ mcp.CallToolRequest,
32) (*mcp.CallToolResult, error) {
33	var builder strings.Builder
34
35	for _, area := range h.areas {
36		fmt.Fprintf(&builder, "- %s: %s\n", area.GetName(), area.GetID())
37
38		for _, goal := range area.GetGoals() {
39			fmt.Fprintf(&builder, "  - %s: %s\n", goal.GetName(), goal.GetID())
40		}
41	}
42
43	return &mcp.CallToolResult{
44		Content: []mcp.Content{
45			mcp.TextContent{
46				Type: "text",
47				Text: builder.String(),
48			},
49		},
50	}, nil
51}