gov: show happiness, fix 0 prices

ts/gov.ts

@@ -97,6 +97,8 @@ async function _render(planetName: string, pop: Pop) {
 	const prices: Map<string, number> = new Map();
 	for (const price of allPrices)
 		if (price.exchange_code === 'IC1')
+			prices.set(price.ticker, price.vwap_30d || price.ask);
+		else if (price.exchange_code === 'UNIVERSE' && prices.get(price.ticker) === 0) // UNIVERSE always comes after IC1
 			prices.set(price.ticker, price.vwap_30d);
 
 	renderTarget.innerHTML = `last POPR: ${lastPOPR.ReportTimestamp} (${lastPOPRts})
@@ -179,6 +181,7 @@ async function _render(planetName: string, pop: Pop) {
 	<table class="options">
 		<tr>
 			<th>config</th>
+			<th>projected happiness</th>
 			<th>projected migration</th>
 			<th>cost/day</th>
 			<th>unit cost</th>
@@ -189,6 +192,7 @@ async function _render(planetName: string, pop: Pop) {
 				unitCost = formatNum(result.cost / result.migration);
 			return `<tr>
 				<td>${[...result.config.entries()].map(([building, fill]) => `${building}: ${fill.numMats}`).join(', ')}</td>
+				<td>${formatPct(result.happiness)}</td>
 				<td>${formatDelta(result.migration)}</td>
 				<td>${formatNum(result.cost)}</td>
 				<td>${unitCost}</td>
@@ -248,8 +252,8 @@ function calcPOPIFilled(infra: Infrastructure): number | null {
 }
 
 function paretoFront(pop: Pop, totalNeeds: Record<Need, number>, siteCount: number, currentPOPIFilled: POPIFill,
-		currentPop: number, prices: Map<string, number>): {config: POPIFill, migration: number, cost: number}[] {
-	const results: {config: POPIFill, migration: number, cost: number}[] = [];
+		currentPop: number, prices: Map<string, number>): {config: POPIFill, happiness: number, migration: number, cost: number}[] {
+	const results: {config: POPIFill, happiness: number, migration: number, cost: number}[] = [];
 	for (const config of popiFillCombinations(currentPOPIFilled)) {
 		const happiness = projectedHappiness(pop, totalNeeds, siteCount, config);
 		let migration = 0;
@@ -269,7 +273,7 @@ function paretoFront(pop: Pop, totalNeeds: Record<Need, number>, siteCount: numb
 			if ((results[i].migration <= migration && results[i].cost > cost) ||
 					(results[i].migration < migration && results[i].cost >= cost))
 				results.splice(i, 1);
-		results.push({config, migration, cost});
+		results.push({config, happiness, migration, cost});
 	}
 	return results;
 }
@@ -332,7 +336,7 @@ function calcCost(config: POPIFill, prices: Map<string, number>): number {
 		const matPrices: {ticker: string, costPerDay: number}[] = [];
 		for (const [mat, amount] of Object.entries(mats)) {
 			const matCost = prices.get(mat)!;
-			if (matCost === undefined)
+			if (!matCost)
 				throw new Error('no price for ' + mat);
 			matPrices.push({ticker: mat, costPerDay: matCost * amount});
 		}
@@ -465,4 +469,5 @@ interface Price {
 	ticker: string
 	exchange_code: string
 	vwap_30d: number
+	ask: number
 }