1 files changed, 187 insertions, 0 deletions
diff --git a/nodejs/lib/ships.js b/nodejs/lib/ships.js
new file mode 100644
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+++ b/nodejs/lib/ships.js
@@ -0,0 +1,187 @@
+import * as api from './api.js';
+import * as dbConfig from '../database/config.js';
+import * as dbShips from '../database/ships.js';
+import * as dbSurveys from '../database/surveys.js';
+import * as systems from '../lib/systems.js';
+
+export async function extract(ctx) {
+	const ship = dbShips.getShip(ctx.symbol);
+	const asteroidFields = await systems.type({symbol: ship.nav.systemSymbol, type: 'ASTEROID_FIELD'});
+	// TODO if there are multiple fields, find the closest one?
+	await navigate({symbol: ctx.symbol, waypoint: asteroidFields[0].symbol});
+	await orbit(ctx);
+	// TODO handle surveying?
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/extract`, method: 'POST'});
+	if (response.error !== undefined) {
+		switch(response.error.code) {
+		case 4000: // ship is on cooldown
+			await api.sleep(response.error.data.cooldown.remainingSeconds  * 1000);
+			return await extract(ctx);
+		case 4228: // ship is full
+			return null;
+		default: // yet unhandled error
+			throw response;
+		}
+	} else {
+		dbShips.setShipCargo(ctx.symbol, response.data.cargo);
+		await api.sleep(response.data.cooldown.remainingSeconds*1000);
+	}
+	return response;
+}
+
+export async function dock(ctx) {
+	const ship = dbShips.getShip(ctx.symbol);
+	if (ship.nav.status === 'DOCKED') {
+		return null;
+	}
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/dock`, method: 'POST'});
+	if (response.error !== undefined) {
+		switch(response.error.code) {
+		case 4214: // ship is in transit
+			await api.sleep(response.error.data.secondsToArrival  * 1000);
+			return await dock(ctx);
+		default: // yet unhandled error
+			throw response;
+		}
+	}
+	dbShips.setShipNav(ctx.symbol, response.data.nav);
+	return response;
+}
+
+function hasMount(shipSymbol, mountSymbol) {
+	const ship = dbShips.getShip(shipSymbol);
+	return ship.mounts.filter(s => s.symbol === mountSymbol).length > 0;
+}
+
+export async function jump(ctx) {
+	// TODO
+	const response = await api.send({endpoint: `/my/ships/${ctx.ship}/jump`, method: 'POST', payload: { systemSymbol: ctx.system }});
+	await api.sleep(response.data.cooldown.remainingSeconds*1000);
+	return response;
+}
+
+export async function navigate(ctx) {
+	const ship = dbShips.getShip(ctx.symbol);
+	if (ship.nav.waypointSymbol === ctx.waypoint) {
+		return await orbit(ctx);
+	}
+	await orbit(ctx);
+	// TODO if we do not have enough fuel, make a stop to refuel along the way or drift to the destination
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/navigate`, method: 'POST', payload: { waypointSymbol: ctx.waypoint }});
+	if (response.error !== undefined) {
+		switch(response.error.code) {
+		case 4214: // ship is in transit
+			await api.sleep(response.error.data.secondsToArrival  * 1000);
+			return await navigate(ctx);
+		default: // yet unhandled error
+			throw response;
+		}
+	}
+	dbShips.setShipFuel(ctx.symbol, response.data.fuel);
+	dbShips.setShipNav(ctx.symbol, response.data.nav);
+	const delay = new Date(response.data.nav.route.arrival) - new Date();
+	await api.sleep(delay);
+	response.data.nav.status = 'IN_ORBIT';
+	dbShips.setShipNav(ctx.symbol, response.data.nav);
+	await refuel(ctx);
+	return response;
+}
+
+export async function negotiate(ctx) {
+	// TODO
+	return await api.send({endpoint: `/my/ships/${ctx.ship}/negotiate/contract`, method: 'POST'});
+}
+
+export async function orbit(ctx) {
+	const ship = dbShips.getShip(ctx.symbol);
+	if (ship.nav.status === 'IN_ORBIT') {
+		return null;
+	}
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/orbit`, method: 'POST'});
+	if (response.error !== undefined) {
+		switch(response.error.code) {
+		case 4214: // ship is in transit
+			await api.sleep(response.error.data.secondsToArrival  * 1000);
+			return await orbit(ctx);
+		default: // yet unhandled error
+			throw response;
+		}
+	}
+	dbShips.setShipNav(ctx.symbol, response.data.nav);
+	return response;
+}
+
+export async function purchase(ctx) {
+	const response = await api.send({endpoint: '/my/ships', method: 'POST', payload: {
+		shipType: ctx.shipType,
+		waypointSymbol: ctx.waypoint,
+	}});
+	if (response.error !== undefined) {
+		throw response;
+	}
+	dbShips.setShip(response.data.ship);
+	return response.data;
+}
+
+export async function refuel(ctx) {
+	const ship = dbShips.getShip(ctx.symbol);
+	if (ship.fuel.current >= ship.fuel.capacity * 0.9) {
+		return null;
+	}
+	// TODO check if our current waypoint has a marketplace (and sells fuel)?
+	await dock(ctx);
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/refuel`, method: 'POST'});
+	if (response.error !== undefined) {
+		throw response;
+	}
+	dbShips.setShipFuel(ctx.symbol, response.data.fuel);
+	// TODO track credits
+	return response;
+}
+
+export async function sell(ctx) {
+	// TODO check if our current waypoint has a marketplace (and sells fuel)?
+	await dock(ctx);
+	const ship = dbShips.getShip(ctx.symbol);
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/sell`, method: 'POST', payload: { symbol: ctx.good, units: ctx.units }});
+	if (response.error !== undefined) {
+		throw response;
+	}
+	dbShips.setShipCargo(ctx.symbol, response.data.cargo);
+	// TODO track credits
+	return response;
+}
+
+export async function ship(ctx) {
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}`});
+	if (response.error !== undefined) {
+		throw response;
+	}
+	dbShips.setShip(response.data);
+	return response;
+}
+
+export async function survey(ctx) {
+	if (!hasMount(ctx.symbol, 'MOUNT_SURVEYOR_I')) { // we check if a surveyor is mounted on the ship
+		return null;
+	}
+	const ship = dbShips.getShip(ctx.symbol);
+	const asteroidFields = await systems.type({symbol: ship.nav.systemSymbol, type: 'ASTEROID_FIELD'});
+	// TODO if there are multiple fields, find the closest one?
+	await navigate({symbol: ctx.symbol, waypoint: asteroidFields[0].symbol});
+	await orbit(ctx);
+	const response = await api.send({endpoint: `/my/ships/${ctx.symbol}/survey`, method: 'POST'});
+	api.debugLog(response);
+	if (response.error !== undefined) {
+		switch(response.error.code) {
+		case 4000: // ship is on cooldown
+			await api.sleep(response.error.data.cooldown.remainingSeconds  * 1000);
+			return await survey(ctx);
+		default: // yet unhandled error
+			throw response;
+		}
+	}
+	dbSurveys.set(response.data.surveys[0]);
+	await api.sleep(response.data.cooldown.remainingSeconds*1000);
+	return response;
+}