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import * as dbMarkets from '../database/markets.ts';
import * as libSystems from '../lib/systems.ts';
import { categorizeCargo } from '../lib/utils.ts';
import { Ship } from '../lib/ships.ts';
import {
CargoManifest,
CommonThing,
} from '../lib/types.ts';
// example ctx { ship: {XXX}, keep: 'SILVER_ORE' }
export async function sell(ship: Ship, good: string): Promise<Ship> {
outer: while(true) {
// first lets see what we want to sell
let cargo = categorizeCargo(ship.cargo, good);
// get the marketdata from our location
const market = await libSystems.market(ship.nav.waypointSymbol);
// can we sell anything here?
const goods = whatCanBeTradedAt(cargo.goods, market.imports.concat(market.exchange));
for (let i = 0; i < goods.length; i++) {
await ship.sell(goods[i].symbol);
};
// are we done selling everything we can?
cargo = categorizeCargo(ship.cargo, good);
if (Object.keys(cargo.goods).length === 0) {
return ship;
}
// we need to move somewhere else to sell our remaining goods
// first we look into markets in our system
const rawMarkets = await libSystems.trait(ship.nav.systemSymbol, 'MARKETPLACE');
// sorted by distance from where we are
const markets = rawMarkets.map(function (m) { return {
data: m,
distance: (m.x - ship.nav.route.destination.x) ** 2 + (m.y - ship.nav.route.destination.y) ** 2,
}});
markets.sort(function(a, b) {
if (a.distance < b.distance) {
return -1;
} else if (a.distance > b.distance) {
return 1;
}
return 0;
});
// check from the closest one if they import what we need to sell
for (let i = 0; i < markets.length; i++) {
const waypointSymbol = markets[i].data.symbol;
const market = await libSystems.market(waypointSymbol);
// if we have no data on the market we need to go there and see
// and if we have data and can sell there we need to go too
if (market === null || whatCanBeTradedAt(cargo.goods, market.imports).length > 0) {
await ship.navigate(waypointSymbol);
continue outer;
}
}
// check from the closest one if they exchange what we need to sell
for (let i = 0; i < markets.length; i++) {
const waypointSymbol = markets[i].data.symbol;
const market = await libSystems.market(waypointSymbol);
// if we can sell there we need to go
if (whatCanBeTradedAt(cargo.goods, market.exchange).length > 0) {
await ship.navigate(waypointSymbol);
continue outer;
}
}
throw new Error(`Ship {ship.symbol} has found no importing or exchanging market for its cargo in the system`);
}
}
function whatCanBeTradedAt(cargo: CargoManifest, goods: Array<CommonThing>): Array<CommonThing> {
return goods.filter(g => cargo[g.symbol] !== undefined );
}
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