import { z } from "zod";
import { todoFields } from "../schemas/todo.js";
import { Todo } from "../schemas/types.js";
import { getFirestore } from "../lib/firestore.js";
export const singleTodoOutputSchema = {
todo: z.object(todoFields).describe("The affected todo item"),
};
export type SingleTodoResult = z.infer<
z.ZodObject<typeof singleTodoOutputSchema>
>;
export const updateTodoInputSchema = {
id: z.string().describe("Required. ID of the todo to update"),
title: z.string().optional().describe("New title (if updating)"),
details: z.string().optional().describe("New details (if updating)"),
completed: z
.boolean()
.optional()
.describe("New completed status (if updating)"),
archived: z
.boolean()
.optional()
.describe("New archived status (if updating)"),
dueDate: z.string().optional().nullable().describe("New due date (if updating)"),
completionNotes: z.string().optional().nullable().describe("Completion notes (if provided). Only update when marking as completed."),
role: z
.string()
.optional()
.describe("New role (if updating). Cannot be empty string"),
classification: z
.enum(["circumstantial", "urgent", "important"])
.optional()
.default("important")
.describe("Must be provided at the time of task creation based on the nature of the task"),
};
export async function updateTodoService(params: z.infer<z.ZodObject<typeof updateTodoInputSchema>>): Promise<SingleTodoResult> {
const db = getFirestore();
const ref = db.collection(process.env.FIRESTORE_COLLECTION || "test").doc(params.id);
const updates: Record<string, unknown> = {
updatedAt: new Date().toISOString(),
};
if (typeof params.title !== "undefined") updates.title = params.title;
if (typeof params.details !== "undefined") updates.details = params.details;
if (typeof params.completed !== "undefined") updates.completed = params.completed;
if (typeof params.dueDate !== "undefined") updates.dueDate = params.dueDate;
if (typeof params.completionNotes !== "undefined") updates.completionNotes = params.completionNotes;
if (typeof params.role !== "undefined") updates.role = params.role;
if (typeof params.archived !== "undefined") updates.archived = params.archived;
if (typeof params.classification !== "undefined") updates.classification = params.classification;
if (Object.keys(updates).length === 1) {
// Only updatedAt set → nothing to change
throw new Error("No fields provided to update");
}
await ref.update(updates);
const snap = await ref.get();
if (!snap.exists) {
throw new Error(`Todo with id ${params.id} not found after update.`);
}
const data = snap.data()!;
const todo: Todo = {
id: snap.id,
title: String(data.title ?? ""),
details: String(data.details ?? ""),
completed: Boolean(data.completed ?? false),
createdAt: String(data.createdAt ?? new Date().toISOString()),
updatedAt: String(data.updatedAt ?? new Date().toISOString()),
completionNotes: data.completionNotes ? String(data.completionNotes) : "",
dueDate: data.dueDate ? String(data.dueDate) : null,
role: data.role ? String(data.role) : "user",
classification: data.classification ? String(data.classification) as "circumstantial" | "urgent" | "important" : "important",
archived: Boolean(data.archived ?? false),
} satisfies Todo;
return {
todo,
} satisfies SingleTodoResult;
}
