import {
    getHomeDirOrDie,
    hexStringToUint8Array,
    uint8ArrayToHexString,
} from "https://global.hatter.ink/script/get/@6/deno-commons-mod.ts";

const COMMONS_LOCAL_ENCRYPT_TINY_ENCRYPT_MASTER_KEY_FILE = getHomeDirOrDie() +
    "/.cache/commons-local-encrypt-tiny-encrypt-master-key";

interface TinyEncryptSimpleDecryptObject {
    code: number;
    result: string;
}

async function loadMasterKey(): Promise<Uint8Array> {
    const masterKeyContent = Deno.readTextFileSync(
        COMMONS_LOCAL_ENCRYPT_TINY_ENCRYPT_MASTER_KEY_FILE,
    );
    const command = new Deno.Command("tiny-encrypt", {
        args: ["simple-decrypt", "--value", masterKeyContent],
    });
    const { code, stdout, stderr } = command.outputSync();
    if (code !== 0) {
        console.error(`Execute command tiny-encrypt simple-decrypt failed:
code: ${code}
stdout: ${new TextDecoder().decode(stdout)}
stderr: ${new TextDecoder().decode(stderr)}`);
        throw new Error(`Decrypt master key failed, code: ${code}`);
    }
    const tinyEncryptSimpleDecryptObject = JSON.parse(
        new TextDecoder().decode(stdout),
    ) as TinyEncryptSimpleDecryptObject;
    if (tinyEncryptSimpleDecryptObject.code !== 0) {
        throw new Error(
            `Decrypt master key failed, response code: ${tinyEncryptSimpleDecryptObject.code}`,
        );
    }
    return hexStringToUint8Array(tinyEncryptSimpleDecryptObject.result);
}

async function main() {
    // TODO ...
    console.log(uint8ArrayToHexString(await loadMasterKey()));
}
await main();