/**
* Heuristic extraction of action items, deadlines, and priority from meeting note text.
*/
import { parseDueDate } from "./dateParser.js";
import type { ExtractedActionItem } from "../todoist/types.js";
const URGENT_PATTERN = /\b(urgent|asap|as soon as possible|blocker|critical|priority 1|p1)\b/i;
const IMPORTANT_PATTERN = /\b(important|soon|priority 2|p2)\b/i;
function inferPriority(line: string): number {
if (URGENT_PATTERN.test(line)) return 1;
if (IMPORTANT_PATTERN.test(line)) return 2;
return 4;
}
/**
* Extract action items from raw meeting note text.
* Looks for: bullet points, "Action:", "TODO:", "Follow-up:", numbered items, and inline dates.
*/
export function extractActionItems(text: string): ExtractedActionItem[] {
if (!text || typeof text !== "string") return [];
const lines = text.split(/\r?\n/).map((l) => l.trim()).filter(Boolean);
const items: ExtractedActionItem[] = [];
let i = 0;
while (i < lines.length) {
const line = lines[i];
const restOfLine = line.replace(/^[-*•]\s*/, "").replace(/^\d+[.)]\s*/, "");
const actionPrefix = /^(action|todo|follow-up|follow up|next step|deliverable):\s*/i.exec(restOfLine);
const bullet = /^[-*•]\s+/.test(line) || /^\d+[.)]\s+/.test(line);
const bracket = /^\[[\sx]\]\s+/i.test(line);
const isAction =
(actionPrefix && actionPrefix[0].length > 0) ||
bullet ||
bracket ||
(/^[-*•]\s*/.test(line) && line.length > 3);
if (isAction) {
let content = restOfLine;
if (actionPrefix) content = content.slice(actionPrefix[0].length).trim();
content = content.replace(/^\[[\sx]\]\s*/i, "").trim();
if (content.length < 2) {
i++;
continue;
}
const dueDate = parseDueDate(content) ?? parseDueDate(line) ?? null;
const priority = inferPriority(line);
const subtasks: string[] = [];
let description = line;
// Collect continuation lines (indented or next bullets under this).
i++;
while (i < lines.length) {
const next = lines[i];
const nextTrim = next.replace(/^\s+/, "");
const nextBullet = /^[-*•]\s+/.test(nextTrim) || /^\d+[.)]\s+/.test(nextTrim);
const nextIndent = next.length - nextTrim.length > 0;
if (nextBullet && nextIndent) {
subtasks.push(nextTrim.replace(/^[-*•]\s*/, "").replace(/^\d+[.)]\s*/, "").trim());
description += "\n" + next;
i++;
} else if (nextIndent && nextTrim.length > 0 && !/^#|\*\*/.test(nextTrim)) {
subtasks.push(nextTrim);
description += "\n" + next;
i++;
} else if (next === "" || /^#{1,3}\s/.test(next)) {
break;
} else {
break;
}
}
items.push({
content: content.slice(0, 500),
description: description.slice(0, 2000),
dueDate,
priority,
subtasks: subtasks.slice(0, 20),
});
continue;
}
i++;
}
return items;
}
