From 39c03d992024886641e98deb1b94806b79ce4a73 Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Sun, 7 Dec 2025 13:37:38 +0100
Subject: [PATCH] feat: solve day 7 puzzle 1

---
 README.md              |  4 ++--
 res/examples/day07.txt | 16 ++++++++++++++++
 res/stats.json         |  2 +-
 src/day07/puzzle1.lua  | 34 ++++++++++++++++++++++++++++++++++
 src/day07/puzzle2.lua  |  7 +++++++
 5 files changed, 60 insertions(+), 3 deletions(-)
 create mode 100644 res/examples/day07.txt
 create mode 100644 src/day07/puzzle1.lua
 create mode 100644 src/day07/puzzle2.lua

diff --git a/README.md b/README.md
index 59cf567..6189714 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,10 @@ This project can also be run using the amazing [CraftOS-PC emulator](https://git
 ## Progress
 
 <!-- calendar-start -->
-#### Stars: 12/24
+#### Stars: 13/24
 
 |Mon|Tue|Wed|Thu|Fri|Sat|Sun|
 |:-:|:-:|:-:|:-:|:-:|:-:|:-:|
-|1<br>:star::star:|2<br>:star::star:|3<br>:star::star:|4<br>:star::star:|5<br>:star::star:|6<br>:star::star:|7<br>|
+|1<br>:star::star:|2<br>:star::star:|3<br>:star::star:|4<br>:star::star:|5<br>:star::star:|6<br>:star::star:|7<br>:star:|
 |8<br>|9<br>|10<br>|11<br>|12<br>|||
 <!-- calendar-end -->
diff --git a/res/examples/day07.txt b/res/examples/day07.txt
new file mode 100644
index 0000000..8868910
--- /dev/null
+++ b/res/examples/day07.txt
@@ -0,0 +1,16 @@
+.......S.......
+...............
+.......^.......
+...............
+......^.^......
+...............
+.....^.^.^.....
+...............
+....^.^...^....
+...............
+...^.^...^.^...
+...............
+..^...^.....^..
+...............
+.^.^.^.^.^...^.
+...............
\ No newline at end of file
diff --git a/res/stats.json b/res/stats.json
index 73b3cfe..ed7de2d 100644
--- a/res/stats.json
+++ b/res/stats.json
@@ -24,7 +24,7 @@
         "puzzle2": true
     },
     "day07": {
-        "puzzle1": false,
+        "puzzle1": true,
         "puzzle2": false
     },
     "day08": {
diff --git a/src/day07/puzzle1.lua b/src/day07/puzzle1.lua
new file mode 100644
index 0000000..5586f13
--- /dev/null
+++ b/src/day07/puzzle1.lua
@@ -0,0 +1,34 @@
+local utils = require "utils"
+
+local puzzle1 = {}
+
+function puzzle1.solve(input)
+    local lines = utils.splitLines(input)
+
+    local beams = {}
+    local totalSplits = 0
+
+    for i, line in ipairs(lines) do
+        local newBeams = {}
+        if i == 1 then
+            newBeams[line:find("S")] = true
+        else
+            for j=1, #line do
+                if beams[j] then
+                    if line:sub(j, j) == "^" then
+                        totalSplits = totalSplits + 1
+                        newBeams[j - 1] = true
+                        newBeams[j + 1] = true
+                    else
+                        newBeams[j] = true
+                    end
+                end
+            end
+        end
+        beams = newBeams
+    end
+
+    return totalSplits
+end
+
+return puzzle1
diff --git a/src/day07/puzzle2.lua b/src/day07/puzzle2.lua
new file mode 100644
index 0000000..2f4bc9a
--- /dev/null
+++ b/src/day07/puzzle2.lua
@@ -0,0 +1,7 @@
+local puzzle2 = {}
+
+function puzzle2.solve(input)
+    return 0
+end
+
+return puzzle2