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import { clk } from "@gnu-taler/taler-util";
import {
getBackupStartState,
getRecoveryStartState,
reduceAction,
} from "./index.js";
import fs from "fs";
export const reducerCli = clk
.program("reducer", {
help: "Command line interface for Anastasis.",
})
.flag("initBackup", ["-b", "--backup"])
.flag("initRecovery", ["-r", "--restore"])
.maybeOption("argumentsJson", ["-a", "--arguments"], clk.STRING)
.maybeArgument("action", clk.STRING)
.maybeArgument("stateFile", clk.STRING);
async function read(stream: NodeJS.ReadStream): Promise<string> {
const chunks = [];
for await (const chunk of stream) {
chunks.push(chunk);
}
return Buffer.concat(chunks).toString("utf8");
}
reducerCli.action(async (x) => {
if (x.reducer.initBackup) {
console.log(JSON.stringify(await getBackupStartState()));
return;
} else if (x.reducer.initRecovery) {
console.log(JSON.stringify(await getRecoveryStartState()));
return;
}
const action = x.reducer.action;
if (!action) {
console.log("action required");
return;
}
let lastState: any;
if (x.reducer.stateFile) {
const s = fs.readFileSync(x.reducer.stateFile, { encoding: "utf-8" });
lastState = JSON.parse(s);
} else {
const s = await read(process.stdin);
lastState = JSON.parse(s);
}
let args: any;
if (x.reducer.argumentsJson) {
args = JSON.parse(x.reducer.argumentsJson);
} else {
args = {};
}
const nextState = await reduceAction(lastState, action, args);
console.log(JSON.stringify(nextState));
});
export function reducerCliMain() {
reducerCli.run();
}
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