import GLib from "gi://GLib?version=2.0"
import { bash, dependencies } from "lib/utils"
import icons from "lib/icons"
import options from "options"

const MAX = options.launcher.sh.max
const BINS = `${Utils.CACHE_DIR}/binaries`

async function ls(path: string) {
    return Utils.execAsync(`ls ${path}`).catch(() => "")
}

async function reload() {
    const bins = await Promise.all(GLib.getenv("PATH")!
        .split(":")
        .map(ls))

    Utils.writeFile(bins.join("\n"), BINS)
}

async function query(filter: string) {
    if (!dependencies("fzf"))
        return [] as string[]

    return bash(`cat ${BINS} | fzf -f ${filter} | head -n ${MAX}`)
        .then(str => Array.from(new Set(str.split("\n").filter(i => i)).values()))
        .catch(err => { print(err); return [] })
}

function run(args: string) {
    Utils.execAsync(args)
        .then(out => {
            print(`:sh ${args.trim()}:`)
            print(out)
        })
        .catch(err => {
            Utils.notify("ShRun Error", err, icons.app.terminal)
        })
}

class Sh extends Service {
    static { Service.register(this) }
    constructor() { super(); reload() }
    query = query
    run = run
}

export default new Sh