From 95c3c6131aff0048b5a6bd3cbf54f70b4d534c0e Mon Sep 17 00:00:00 2001
From: mtrx <me@mtrx.tech>
Date: Wed, 4 Dec 2024 22:27:23 +0100
Subject: [PATCH] init

---
 .vscode/settings.json |    3 +
 deno.json             |    8 +
 inputs/01.txt         | 1000 +++++++++++++++++++++++++++++++++++++++++
 inputs/02.txt         | 1000 +++++++++++++++++++++++++++++++++++++++++
 main.ts               |   21 +
 solutions/01.ts       |   40 ++
 solutions/02.ts       |   18 +
 solvable.ts           |    6 +
 utils.ts              |    5 +
 9 files changed, 2101 insertions(+)
 create mode 100644 .vscode/settings.json
 create mode 100644 deno.json
 create mode 100644 inputs/01.txt
 create mode 100644 inputs/02.txt
 create mode 100644 main.ts
 create mode 100644 solutions/01.ts
 create mode 100644 solutions/02.ts
 create mode 100644 solvable.ts
 create mode 100644 utils.ts

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..b943dbc
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "deno.enable": true
+}
\ No newline at end of file
diff --git a/deno.json b/deno.json
new file mode 100644
index 0000000..4d40aae
--- /dev/null
+++ b/deno.json
@@ -0,0 +1,8 @@
+{
+  "tasks": {
+    "dev": "deno run --watch --allow-read=. main.ts"
+  },
+  "imports": {
+    "@std/assert": "jsr:@std/assert@1"
+  }
+}
diff --git a/inputs/01.txt b/inputs/01.txt
new file mode 100644
index 0000000..cb6af3c
--- /dev/null
+++ b/inputs/01.txt
@@ -0,0 +1,1000 @@
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diff --git a/inputs/02.txt b/inputs/02.txt
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\ No newline at end of file
diff --git a/main.ts b/main.ts
new file mode 100644
index 0000000..ceba3fe
--- /dev/null
+++ b/main.ts
@@ -0,0 +1,21 @@
+import type { Solvable } from "./solvable.ts";
+
+const solutionFiles = Deno.readDirSync('./solutions');
+
+const solvables: Solvable[] = [];
+
+// need to wrap this stuff in a function to not trip the top level await
+(async () => {
+  // cool dynamic module loading
+  for (const solution of solutionFiles){
+    await import('./solutions/' + solution.name)
+  }
+
+  if (import.meta.main) {
+    // only solve the latest day
+    solvables.toReversed()[0].part1().part2()
+  }
+})()
+
+
+export { solvables }
\ No newline at end of file
diff --git a/solutions/01.ts b/solutions/01.ts
new file mode 100644
index 0000000..9fd198d
--- /dev/null
+++ b/solutions/01.ts
@@ -0,0 +1,40 @@
+import { solvables } from "../main.ts";
+
+import type { Solvable } from "../solvable.ts";
+import { readInput } from "../utils.ts";
+
+class DayOne implements Solvable {
+    input = readInput('01')
+
+    public part1(): DayOne {
+        const vals = this.input.trim().split("\n").map(line => line.split('   '))
+        const left  = vals.map(line => Number.parseInt(line[0])).sort()
+        const right = vals.map(line => Number.parseInt(line[1])).sort()
+        
+        const diff: number[] = []
+        left.forEach((left, idx) => {
+            diff.push(Math.abs(left - right[idx]))
+        })
+        
+        const result = diff.reduce((prev, curr) => prev + curr)
+        console.log(result)
+        return this
+    }
+
+    public part2(): DayOne {
+            const vals = this.input.trim().split("\n").map(line => line.split('   '))
+            const left  = vals.map(line => Number.parseInt(line[0])).sort()
+            const right = vals.map(line => Number.parseInt(line[1])).sort()
+
+            const countedOccurences: Map<number, number> = new Map()
+            left.forEach(left_val => countedOccurences.set(left_val, right.filter(right_val => left_val === right_val).length))
+            const result = countedOccurences
+                .entries()
+                .map(([left_val, occurences]) => left_val * occurences)
+                .reduce((prev, curr) => prev + curr)
+            console.log(result)
+        return this
+    }
+}
+
+solvables.push(new DayOne())
\ No newline at end of file
diff --git a/solutions/02.ts b/solutions/02.ts
new file mode 100644
index 0000000..49672b6
--- /dev/null
+++ b/solutions/02.ts
@@ -0,0 +1,18 @@
+import { solvables } from "../main.ts";
+
+import type { Solvable } from "../solvable.ts";
+import { readInput } from "../utils.ts";
+
+class DayTwo implements Solvable {
+    input = readInput('02')
+
+    public part1(): DayTwo {
+        console.log("test")
+        return this
+    }
+    public part2(): DayTwo {
+        return this
+    }
+}
+
+solvables.push(new DayTwo())
\ No newline at end of file
diff --git a/solvable.ts b/solvable.ts
new file mode 100644
index 0000000..88cd5cb
--- /dev/null
+++ b/solvable.ts
@@ -0,0 +1,6 @@
+interface Solvable {
+    part1(): Solvable;
+    part2(): Solvable;
+}
+
+export type { Solvable } 
\ No newline at end of file
diff --git a/utils.ts b/utils.ts
new file mode 100644
index 0000000..137315f
--- /dev/null
+++ b/utils.ts
@@ -0,0 +1,5 @@
+function readInput(day: string): string {
+    return Deno.readTextFileSync('./inputs/' + day + '.txt')
+}
+
+export { readInput };