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// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
.pragma library
// What a staged file is, for its chip and the actions offered on it. The
// text and image lists match desktop-assistant's, which decides what chat
// accepts; this only decides what the card offers.
// A suffix not listed here reads as "other" at first; Assistant.qml then
// asks file(1) and fromMime() gives the kind.
// Text splits into prose and data (text) and code or configuration (code),
// so each gets the presets that fit it; the daemon sees one text kind.
const TEXT = [".md", ".rst", ".txt", ".csv"];
const CODE = [".py", ".c", ".h", ".cpp", ".hpp", ".rs", ".go", ".js", ".ts", ".jsx",
".tsx", ".sh", ".bash", ".zsh", ".lua", ".rb", ".pl", ".php", ".java",
".kt", ".swift", ".sql", ".toml", ".yaml", ".yml", ".json", ".ini",
".cfg", ".conf", ".xml", ".html", ".css",
".diff", ".patch", ".slackbuild", ".info", ".desktop", ".service", ".qml"];
const IMAGE = [".png", ".jpg", ".jpeg", ".gif", ".webp"];
const VIDEO = [".mp4", ".mkv", ".webm", ".mov", ".avi", ".m4v"];
const ARCHIVE = [".zip", ".tar", ".gz", ".tgz", ".xz", ".txz", ".bz2", ".zst", ".7z", ".rar"];
// Kinds chat takes; the rest only get local actions.
const CHAT = ["text", "code", "image", "pdf"];
function name(path) { return path.slice(path.lastIndexOf("/") + 1); }
function kind(path) {
const n = name(path).toLowerCase();
const dot = n.lastIndexOf(".");
const ext = dot > 0 ? n.slice(dot) : "";
if (ext === ".pdf") return "pdf";
if (IMAGE.includes(ext)) return "image";
if (VIDEO.includes(ext)) return "video";
if (ARCHIVE.includes(ext)) return "archive";
if (TEXT.includes(ext)) return "text";
if (CODE.includes(ext)) return "code";
return "other";
}
function chats(k) { return CHAT.includes(k); }
// For a file the name says nothing about (a script with no suffix), from
// the mime type `file -b --mime-type` reports. Prose and data are text;
// any other text type, scripts and source among them, is code.
const ARCHIVE_MIMES = ["application/zip", "application/x-tar", "application/gzip",
"application/x-xz", "application/x-bzip2", "application/zstd",
"application/x-7z-compressed", "application/x-rar",
"application/vnd.rar"];
function fromMime(m) {
if (["text/plain", "text/markdown", "text/csv"].includes(m)) return "text";
if (m.startsWith("text/") || ["application/json", "application/xml",
"application/javascript"].includes(m)) return "code";
if (["image/png", "image/jpeg", "image/gif", "image/webp"].includes(m)) return "image";
if (m === "application/pdf") return "pdf";
if (m.startsWith("video/")) return "video";
if (ARCHIVE_MIMES.includes(m)) return "archive";
return "other";
}
// A dropped URL to a local path, or "" for anything that is not a local
// file: file:///path, or file://localhost/path; any other host is remote.
function fromUrl(url) {
const m = /^file:\/\/(localhost)?(\/.*)$/.exec(String(url));
if (!m) return "";
try { return decodeURIComponent(m[2]); } catch (e) { return ""; }
}
function file(path) { return { path: path, name: name(path), kind: kind(path) }; }
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