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-rw-r--r--lib/agent.js72
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/agent.js b/lib/agent.js
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+import { registerAgent } from '../database/config.js';
+import * as api from './api.js';
+import * as ships from './ships.js';
+
+// This starts an extraction loop with a ship which ends when the ship's cargo is at least 90% full with only one desired good
+// ctx must must have two attributes: `ship` and `good`
+export function extract(ctx, response) {
+ if (response !== undefined) {
+ if (response.error !== undefined) {
+ switch(response.error.code) {
+ case 4000: // ship is on cooldown
+ setTimeout(extract, response.error.data.cooldown.remainingSeconds * 1000, ctx);
+ return;
+ case 4228: // ship is full. Running the ship inventory function to list the cargo so that know if we need to sell
+ ships.ship({ship: ctx.ship, next:{action: extract, ship: ctx.ship, good: ctx.good}});
+ return;
+ default:
+ throw response;
+ }
+ }
+ if (response.data.extraction !== undefined && response.data.extraction.yield !== undefined) { // yield won't be defined if we reached this point from an inventory request
+ console.log(`${ctx.ship}: extracted ${response.data.extraction.yield.units} of ${response.data.extraction.yield.symbol}`);
+ }
+ if (response.data.cargo !== undefined && response.data.cargo.capacity * 0.9 <= response.data.cargo.units) { // > 90% full
+ const good = response.data.cargo.inventory.filter(i => i.symbol === ctx.good)[0];
+ const inventory = response.data.cargo.inventory.filter(i => i.symbol !== ctx.good);
+ if (good?.units >= response.data.cargo.capacity * 0.9) { // > 90% full
+ console.log(`ship's cargo is full with ${response.data.cargo.units} of ${ctx.good}!`);
+ return;
+ }
+ let actions = [{ action: ships.dock, ship: ctx.ship }];
+ inventory.forEach(i => actions.push({action: ships.sell, ship: ctx.ship, good: i.symbol, units: i.units}));
+ actions.push({action: ships.orbit, ship: ctx.ship});
+ actions.push({action: extract, ship: ctx.ship, good: ctx.good});
+ api.chain(actions);
+ return;
+ } else { // we need to mine more
+ if (response.data.cooldown) { // we are on cooldown, call ourselves again in a moment
+ setTimeout(extract, response.data.cooldown.remainingSeconds * 1000, ctx);
+ return;
+ }
+ }
+ }
+ ships.extract({ship: ctx.ship, good: ctx.good, next: { action: extract, ship: ctx.ship, good: ctx.good }});
+}
+
+// This function inits the database in case we have an already registered game
+export function init(symbol, faction, token) {
+ registerAgent(symbol, faction, token);
+}
+
+// This function registers then inits the database
+export function register(symbol, faction) {
+ fetch(
+ 'https://api.spacetraders.io/v2/register',
+ {
+ method: 'POST',
+ headers: {
+ 'Content-Type': 'application/json',
+ },
+ body: JSON.stringify({
+ symbol: symbol,
+ faction: faction,
+ }),
+ })
+ .then(response => response.json())
+ .then(response => {
+ console.log(JSON.stringify(response, null, 2));
+ init(symbol, faction, response.data.token);
+ })
+ .catch(err => console.error(err));
+}