genNextBattle

package.json

@@ -34,6 +34,7 @@
 		"beercss": "^3.0.4",
 		"dexie": "^3.2.2",
 		"fake-indexeddb": "^4.0.1",
-		"material-dynamic-colors": "^0.1.5"
+		"material-dynamic-colors": "^0.1.5",
+		"remeda": "^1.3.0"
 	}
 }

src/lib/components/Campaigns.svelte

@@ -13,7 +13,13 @@
 						{campaign.name}
 					</a>
 				</h6>
-				<p>chapter 2, second battle.</p>
+				<p>
+					{#if campaign.battles}
+						chapter {currentChapter(campaign)}, battle of {currentCity(
+							campaign,
+						)}.
+					{/if}
+				</p>
 			</div>
 			<button on:click={deleteCampaign(campaign)} class="none"
 				>Delete</button
@@ -42,6 +48,7 @@
 </div>
 
 <script>
+	import * as R from 'remeda';
 	import { getContext } from 'svelte';
 	import { goto } from '$app/navigation';
 
@@ -51,6 +58,10 @@
 	let showNewCampaign = false;
 	let newCampaignName = '';
 
+	const currentChapter = ({ battles }) =>
+		R.clamp(1 + parseInt(battles?.length / 2), { max: 4 });
+	const currentCity = ({ battles }) => R.last(battles).city;
+
 	async function deleteCampaign({ name, id }) {
 		if (!window.confirm(`delete campaign ${name}?`)) return;
 		api.event.deleteCampaign(id);

src/lib/store/api.js

@@ -1,5 +1,7 @@
+import * as R from 'remeda';
 import Dexie, { liveQuery } from 'dexie';
 import { writable, derived } from 'svelte/store';
+import { genNextBattle } from './genNextBattle.js';
 
 const seedCampaign = {
     battles: [],
@@ -12,21 +14,18 @@ export function genApi(options = {}) {
         campaigns: '++id,name',
     });
 
-    const campaigns = liveQuery(async () => {
-        const c = [];
-        await storage.campaigns
-            .toCollection()
-            .each(({ id, name }) => c.push({ id, name }));
-        return c;
-    });
+    const campaigns = writable([]);
+    storage.campaigns.toArray().then((c) => campaigns.set(c));
 
     const activeCampaignId = writable();
 
-    const activeCampaign = derived(activeCampaignId, async (id, set) => {
-        const x = await storage.campaigns.get({ id });
-        console.log({ x });
-        set(x);
-    });
+    const activeCampaign = derived(
+        [activeCampaignId, campaigns],
+        async ([id, campaigns], set) => {
+            const x = campaigns.find((c) => c.id === id);
+            set(x);
+        },
+    );
 
     return {
         campaigns,
@@ -34,7 +33,11 @@ export function genApi(options = {}) {
         storage,
         event: {
             addCampaign: (name) =>
-                storage.campaigns.add({ name, ...seedCampaign }),
+                storage.campaigns.add({
+                    name,
+                    ...seedCampaign,
+                    battles: [genNextBattle()],
+                }),
             deleteCampaign: (id) => storage.campaigns.delete(id),
             setActiveCampaign: async (id) => {
                 activeCampaignId.set(id);

src/lib/store/chapters.js

@@ -0,0 +1,40 @@
+export default [
+    {
+        cities: ['Havana', 'Montreal', 'Mexico City', 'Rio de Janeiro'],
+        characters: [
+            'Clinton Harper',
+            'Jackson Moss',
+            'Lucia Ortego',
+            'Samantha Legrand',
+        ],
+        scenarios: [
+            'Evacuation',
+            'Reinforcements',
+            'Battle for the sky',
+            'Satellites',
+        ],
+    },
+    {
+        cities: ['Johannesburg', 'Moscow', 'Cairo', 'London', 'Paris'],
+        characters: [
+            'Jaroslav Ruzicka',
+            'Karima Almasi',
+            'Shanti Aumann',
+            'Pieter Bernstein',
+        ],
+        scenarios: [
+            'Command ship',
+            'Reactor leak',
+            'Dangerous research',
+            'Repairing the base',
+        ],
+    },
+    {
+        cities: ['Seoul', 'Beijing', 'Tokyo', 'Sydney', 'Singapore'],
+        characters: ['Wang Lin', "Iz'ox", 'Jang Chanwook', 'Archie Bell'],
+        scenarios: ['Storm', 'Contamination', 'Kamikaze', 'Saboteur'],
+    },
+    {
+        scenarios: ['The final battle'],
+    },
+];

src/lib/store/genNextBattle.js

@@ -0,0 +1,28 @@
+import * as R from 'remeda';
+import chapters from './chapters.js';
+
+const pickOne = (choices) => choices[parseInt(Math.random() * choices.length)];
+
+export function genNextBattle(battles = []) {
+    let chapter = R.clamp(1 + parseInt(battles.length / 2), { min: 1, max: 4 });
+
+    if (chapter === 1) {
+        const scenario = pickOne(
+            chapters[chapter - 1].scenarios.filter(
+                (s) => !battles.map(R.prop('scenario')).includes(s),
+            ),
+        );
+        const character = pickOne(
+            chapters[chapter - 1].characters.filter(
+                (s) => !battles.map(R.prop('character')).includes(s),
+            ),
+        );
+        const city = pickOne(
+            chapters[chapter - 1].cities.filter(
+                (s) => !battles.map(R.prop('city')).includes(s),
+            ),
+        );
+
+        return { scenario, character, city, status: 'upcoming' };
+    }
+}

src/lib/store/genNextBattle.test.js

@@ -0,0 +1,9 @@
+import { test, expect } from 'vitest';
+
+import { genNextBattle } from './genNextBattle.js';
+
+test('generate for the first chapter', () => {
+    const next = genNextBattle();
+    expect(next).toHaveProperty('city');
+    expect(next).toHaveProperty('status', 'upcoming');
+});

src/routes/+layout.js

@@ -0,0 +1 @@
+export const ssr = false;

src/routes/campaign/[campaignId]/+page.svelte

@@ -1,12 +1,15 @@
 <article>
-	<h5>{$activeCampaign.name}</h5>
-	<h6>Chapter 1</h6>
+	{#if $activeCampaign}
+		<h5>{$activeCampaign.name}</h5>
+		<h6>Chapter 1</h6>
+		<ul>
+			<li>Battle of New York, ongoing</li>
+		</ul>
+	{/if}
 </article>
 
 <script>
 	import { getContext } from 'svelte';
 
 	const { activeCampaign } = getContext('api');
-
-	$: console.log({ activeCampaign: $activeCampaign });
 </script>