From cd1aee3277c705b21bd59a562376acafe15e04f4 Mon Sep 17 00:00:00 2001
From: Bizcochito <bizcochito@anartist.org>
Date: Wed, 7 Dec 2022 10:52:02 +0100
Subject: [PATCH] Failed at day 7 for now, mut commiting anyway

---
 Cargo.lock        |  4 +++
 Cargo.toml        |  2 +-
 day07/Cargo.toml  |  8 +++++
 day07/src/main.rs | 86 +++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 day07/Cargo.toml
 create mode 100644 day07/src/main.rs

diff --git a/Cargo.lock b/Cargo.lock
index 7b3d0a7..e5587ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,6 +26,10 @@ version = "0.1.0"
 name = "day06"
 version = "0.1.0"
 
+[[package]]
+name = "day07"
+version = "0.1.0"
+
 [[package]]
 name = "tiesto"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 9e9a53c..bfb26ae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ members = [
 	"day04",
 	"day05",
 	"day06",
-#	"day07",
+	"day07",
 #	"day08",
 #	"day09",
 #	"day10",
diff --git a/day07/Cargo.toml b/day07/Cargo.toml
new file mode 100644
index 0000000..682e4ad
--- /dev/null
+++ b/day07/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "day07"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/day07/src/main.rs b/day07/src/main.rs
new file mode 100644
index 0000000..d223ad0
--- /dev/null
+++ b/day07/src/main.rs
@@ -0,0 +1,86 @@
+use std::fs;
+use std::str::FromStr;
+use std::collections::HashMap;
+
+fn main() {
+    const FILE_PATH: &str = "input";
+    println!("Hi this is the sixth day of AOC2022, first we will read the file {}", FILE_PATH);
+    let contents = fs::read_to_string(FILE_PATH)
+        .expect("Should have been able to read the file");
+
+}
+#[derive(Debug)]
+enum FileSys<'a>{
+    File(u32),
+    Dir(HashMap<&'a str, FileSys<'a>>)
+}
+
+fn traverse<'a>(root: &'a mut HashMap<&'a str, FileSys<'a>>, ptr: &'a Vec<&'a str>) -> HashMap<&'a str, FileSys<'a>>{
+    let mut out = root;
+    for dir in *ptr{
+        out = match out.get_mut(dir).expect("u messed up the dirs") {
+            FileSys::Dir(x) => x,
+            _ => panic!("u messed up the dirs, tis a file")
+        }
+    };
+    *out
+}
+
+fn parse(s: &str) -> HashMap<&str, FileSys>{
+    let mut root = HashMap::new();
+    let mut s = s.lines();
+    s.next();
+    let mut ptr: Vec<&str> = vec![];
+    for line in s {
+        let mut line = line.split(" ");
+        match line.next().expect("lol") {
+            "$" => if line.next().expect("must have a command") == "cd"{
+                match line.next().expect("must have a name") {
+                    ".." => ptr.pop(),
+                    name => {ptr.push(name); None},
+                };
+            }else{continue;},
+            "dir" =>{
+                let root = traverse(&mut root, &ptr);
+                root.insert(line.next().expect("must have a name"), FileSys::Dir(HashMap::new()));
+            },
+            size =>{
+                let root = traverse(&mut root, &ptr);
+                root.insert(line.next().expect("must have a name"), FileSys::File(u32::from_str(size).expect("NaN")));
+            },
+        }
+    }
+    root
+}
+
+#[cfg(test)]
+mod test {
+    const INPUT: &str = r#"$ cd /
+$ ls
+dir a
+14848514 b.txt
+8504156 c.dat
+dir d
+$ cd a
+$ ls
+dir e
+29116 f
+2557 g
+62596 h.lst
+$ cd e
+$ ls
+584 i
+$ cd ..
+$ cd ..
+$ cd d
+$ ls
+4060174 j
+8033020 d.log
+5626152 d.ext
+7214296 k"#;
+    use super::*;
+    #[test]
+    fn coms1_1() {
+        dbg!(parse(INPUT));
+    }
+}
\ No newline at end of file