From da567a11eef2b3536d58b44741e91988b1c33598 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Thu, 8 Jun 2023 09:21:05 +0200
Subject: Implement a bit more autonomy for the ships

---
 lib/contracts.js |  2 +-
 lib/ships.js     | 25 +++++++++++++++++++++----
 2 files changed, 22 insertions(+), 5 deletions(-)

(limited to 'lib')

diff --git a/lib/contracts.js b/lib/contracts.js
index a118ae4..abf32b3 100644
--- a/lib/contracts.js
+++ b/lib/contracts.js
@@ -10,7 +10,7 @@ export async function contracts() {
 
 export async function deliver(ctx) {
 	return await api.send({ endpoint: `/my/contracts/${ctx.contract}/deliver`, method: 'POST', payload: {
-		shipSymbol: ctx.ship,
+		shipSymbol: ctx.symbol,
 		tradeSymbol: ctx.good,
 		units: ctx.units,
 	}});
diff --git a/lib/ships.js b/lib/ships.js
index c1bba08..1e92cf3 100644
--- a/lib/ships.js
+++ b/lib/ships.js
@@ -1,11 +1,15 @@
 import * as api from './api.js';
 import * as dbConfig from '../database/config.js';
 import * as dbShips from '../database/ships.js';
+import * as systems from '../lib/systems.js';
 
 export async function extract(ctx) {
-	// TODO check if our current waypoint has an asteroid field?
-	await orbit(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/${ctx.symbol}/extract`, method: 'POST'});
 	if (response.error !== undefined) {
 		switch(response.error.code) {
@@ -53,16 +57,27 @@ export async function jump(ctx) {
 export async function navigate(ctx) {
 	const ship = dbShips.getShip(ctx.symbol);
 	if (ship.nav.waypointSymbol === ctx.waypoint) {
-		return null;
+		return await orbit(ctx);
 	}
 	await orbit(ctx);
+	// TODO if we do not have enough fuel, make a stop to refuel along the way or drift to the destination
 	const response = await api.send({endpoint: `/my/ships/${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 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;
 }
 
@@ -99,14 +114,15 @@ export async function purchase(ctx) {
 		throw response;
 	}
 	dbShips.setShip(response.data.ship);
+	return response.data;
 }
 
 export async function refuel(ctx) {
-	// TODO check if our current waypoint has a marketplace (and sells fuel)?
 	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) {
@@ -118,6 +134,7 @@ export async function refuel(ctx) {
 }
 
 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 }});
-- 
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