commit 038f6841b3c6ed91eddd48716fc3a0cfe2ecb58b
Author: Leo Drachenfeuer <leo.drachenfeuer@m-spezial.de>
Date:   Mon Dec 5 16:10:34 2022 +0100

    Initial commit

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diff --git a/data/day-002 b/data/day-002
new file mode 100644
index 0000000..0b2139a
--- /dev/null
+++ b/data/day-002
@@ -0,0 +1,2500 @@
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diff --git a/data/day-003 b/data/day-003
new file mode 100644
index 0000000..0467fc3
--- /dev/null
+++ b/data/day-003
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diff --git a/src/cli/commands/day001.rs b/src/cli/commands/day001.rs
new file mode 100644
index 0000000..51e68d6
--- /dev/null
+++ b/src/cli/commands/day001.rs
@@ -0,0 +1,34 @@
+use crate::cli::PathBuf;
+use crate::util::read_lines;
+
+pub fn subcmd_day001(file: &Option<PathBuf>, top: &i32, total: &bool) {
+    if let Ok(lines) = read_lines(file.as_ref().unwrap().as_path()) {
+        // Consumes the iterator, returns an (Optional) String
+        let mut nutri: i32 = 0;
+        let mut hist: Vec<i32> = Vec::new();
+
+        for line in lines {
+            if let Ok(num) = line {
+                if num.is_empty() {
+                    hist.push(nutri);
+                    nutri = 0;
+                } else {
+                    nutri += num.parse::<i32>().unwrap();
+                }
+            }
+        }
+        hist.sort();
+        let hist_len = hist.len();
+        let mut top_total: i32 = 0;
+        for x in 0..*top{
+            let index: usize = hist_len - 1 - usize::try_from(x).unwrap();
+            top_total += hist[index];
+            println!("{:?}", hist[index]);
+        }
+        if *total{
+            println!("Total:");
+            println!("{:?}", top_total);
+        }
+    }
+}
+
diff --git a/src/cli/commands/day002.rs b/src/cli/commands/day002.rs
new file mode 100644
index 0000000..7764272
--- /dev/null
+++ b/src/cli/commands/day002.rs
@@ -0,0 +1,209 @@
+use crate::cli::PathBuf;
+use crate::util::read_lines;
+#[derive(Debug)]
+enum Shape {
+    Rock,
+    Paper,
+    Scissor,
+}
+
+impl Shape {
+    fn get_value(&self) -> u32 {
+        match self {
+            Shape::Rock => 1,
+            Shape::Paper => 2,
+            Shape::Scissor => 3,
+        }
+    }
+}
+
+#[derive(Debug)]
+enum EncrypedShape {
+    A,
+    B,
+    C,
+    X,
+    Y,
+    Z,
+}
+
+impl EncrypedShape {
+    fn from_str(s: &str) -> Self {
+        match Some(s) {
+            Some("A") => EncrypedShape::A,
+            Some("B") => EncrypedShape::B,
+            Some("C") => EncrypedShape::C,
+            Some("X") => EncrypedShape::X,
+            Some("Y") => EncrypedShape::Y,
+            Some("Z") => EncrypedShape::Z,
+            _ => panic!(),
+        }
+    }
+
+    fn get_shape(&self) -> Shape {
+        match self {
+            EncrypedShape::A | EncrypedShape::X => Shape::Rock,
+            EncrypedShape::B | EncrypedShape::Y => Shape::Paper,
+            EncrypedShape::C | EncrypedShape::Z => Shape::Scissor,
+        }
+    }
+
+    fn predict_result(&self) -> RpsResult {
+        match self {
+            EncrypedShape::X => RpsResult::Loss,
+            EncrypedShape::Y => RpsResult::Draw,
+            EncrypedShape::Z => RpsResult::Win,
+            EncrypedShape::A | EncrypedShape::B | EncrypedShape::C => panic!(),
+        }
+    }
+
+    fn get_value(&self) -> u32 {
+        self.get_shape().get_value()
+    }
+}
+
+#[derive(Debug)]
+enum RpsResult {
+    Win,
+    Draw,
+    Loss,
+}
+
+#[derive(Debug)]
+struct RPSPair {
+    op: EncrypedShape,
+    me: EncrypedShape,
+}
+
+impl RPSPair {
+    fn from_vec(v: Vec<&str>) -> Self {
+        RPSPair {
+            op: (EncrypedShape::from_str(v.first().unwrap())),
+            me: (EncrypedShape::from_str(v.last().unwrap())),
+        }
+    }
+
+    fn my_shape_by_predicted_result(&self) -> Shape {
+        match self.op.get_shape() {
+            Shape::Rock => match self.me.predict_result() {
+                RpsResult::Win => Shape::Paper,
+                RpsResult::Draw => Shape::Rock,
+                RpsResult::Loss => Shape::Scissor,
+            },
+            Shape::Paper => match self.me.predict_result() {
+                RpsResult::Win => Shape::Scissor,
+                RpsResult::Draw => Shape::Paper,
+                RpsResult::Loss => Shape::Rock,
+            },
+            Shape::Scissor => match self.me.predict_result() {
+                RpsResult::Win => Shape::Rock,
+                RpsResult::Draw => Shape::Scissor,
+                RpsResult::Loss => Shape::Paper,
+            },
+        }
+    }
+
+    fn get_points(&self, alt: &bool) -> u32 {
+        let extra_points: u32;
+        let r: RpsResult;
+        let mv: u32;
+        if *alt {
+            r = self.me.predict_result();
+            mv = self.my_shape_by_predicted_result().get_value();
+        } else {
+            r = self.get_result();
+            mv = self.me.get_value();
+        }
+        match r {
+            RpsResult::Win => {
+                extra_points = 6;
+            }
+            RpsResult::Draw => {
+                extra_points = 3;
+            }
+            RpsResult::Loss => {
+                extra_points = 0;
+            }
+        }
+        mv + extra_points
+    }
+
+    fn get_result(&self) -> RpsResult {
+        match self.me.get_shape() {
+            Shape::Rock => match self.op.get_shape() {
+                Shape::Rock => RpsResult::Draw,
+                Shape::Paper => RpsResult::Loss,
+                Shape::Scissor => RpsResult::Win,
+            },
+            Shape::Paper => match self.op.get_shape() {
+                Shape::Rock => RpsResult::Win,
+                Shape::Paper => RpsResult::Draw,
+                Shape::Scissor => RpsResult::Loss,
+            },
+            Shape::Scissor => match self.op.get_shape() {
+                Shape::Rock => RpsResult::Loss,
+                Shape::Paper => RpsResult::Win,
+                Shape::Scissor => RpsResult::Draw,
+            },
+        }
+    }
+}
+
+pub fn subcmd_day002(file: &Option<PathBuf>, alt: &bool) {
+    if let Ok(lines) = read_lines(file.as_ref().unwrap().as_path()) {
+        let mut my_score: u32 = 0;
+        for line in lines {
+            if let Ok(ln) = line {
+                let pair: RPSPair = RPSPair::from_vec(ln.split(" ").collect::<Vec<&str>>());
+                let my_points: u32 = pair.get_points(alt);
+                let my_value: u32;
+                let my_shape: Shape;
+                let my_result: RpsResult;
+                if *alt {
+                    my_shape = pair.my_shape_by_predicted_result();
+                    my_value = my_shape.get_value();
+                    my_result = pair.me.predict_result();
+                } else {
+                    my_shape = pair.me.get_shape();
+                    my_value = pair.me.get_value();
+                    my_result = pair.get_result();
+                }
+                my_score += my_points;
+                println!(
+                    "op: {:?}({:?}), me: {:?}({:?}), result: {:?},  points: {:?}",
+                    pair.op.get_shape(),
+                    pair.op.get_value(),
+                    my_shape,
+                    my_value,
+                    my_result,
+                    my_points
+                );
+            }
+        }
+        println!("My Total Points: {:?}", my_score)
+    }
+}
+
+pub fn subcmd_day002_op(file: &Option<PathBuf>, alt: &bool) {
+    if let Ok(lines) = read_lines(file.as_ref().unwrap().as_path()) {
+        let mut my_score: u32 = 0;
+        for line in lines {
+            if let Ok(ln) = line {
+                let pair: RPSPair = RPSPair::from_vec(ln.split(" ").collect::<Vec<&str>>());
+                my_score += pair.get_points(alt);
+            }
+        }
+        println!("My Total Points: {:?}", my_score)
+    }
+}
+
+pub fn subcmd_day002_iter(file: &Option<PathBuf>, alt: &bool) {
+    if let Ok(lines) = read_lines(file.as_ref().unwrap().as_path()) {
+        let points:u32 = lines
+            .into_iter()
+            .map(|line| RPSPair::from_vec(line.unwrap().split(" ").collect::<Vec<&str>>()))
+            .map(|pair| pair.get_points(alt))
+            .sum();
+        println!("My Total Points: {:?}", points)
+    }
+}
diff --git a/src/cli/commands/day003.rs b/src/cli/commands/day003.rs
new file mode 100644
index 0000000..92f4bcd
--- /dev/null
+++ b/src/cli/commands/day003.rs
@@ -0,0 +1,4 @@
+use crate::cli::PathBuf;
+pub fn subcmd_day003(file: &Option<PathBuf>, alt: &bool) {
+
+}
\ No newline at end of file
diff --git a/src/cli/commands/mod.rs b/src/cli/commands/mod.rs
new file mode 100644
index 0000000..08d41ed
--- /dev/null
+++ b/src/cli/commands/mod.rs
@@ -0,0 +1,3 @@
+pub mod day001;
+pub mod day002;
+pub mod day003;
diff --git a/src/cli/mod.rs b/src/cli/mod.rs
new file mode 100644
index 0000000..2dee40f
--- /dev/null
+++ b/src/cli/mod.rs
@@ -0,0 +1,61 @@
+mod commands;
+use clap::{arg, Parser, Subcommand};
+use commands::day001::*;
+use commands::day002::*;
+use commands::day003::*;
+//use std::ffi::OsString;
+use std::path::PathBuf;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+#[command(propagate_version = true)]
+pub struct AdventOfCode2022 {
+    #[command(subcommand)]
+    command: Commands,
+    /// makes the commands more verbose
+    #[arg(short, long)]
+    verbose: bool,
+}
+
+#[derive(Subcommand)]
+pub enum Commands {
+    /// Solution for the first day
+    Day001 {
+        file: Option<PathBuf>,
+        /// option to get more than the biggest value
+        #[arg(short, long, default_value_t = 1)]
+        top: i32,
+        /// calc the sume of all wanted top positions
+        #[arg(long)]
+        total: bool,
+    },
+    /// Solution for the second day
+    Day002 {
+        file: Option<PathBuf>,
+        #[arg(long)]
+        alt: bool,
+        /// select implemetation 0 = nomarl with debug, 1 = only result, 2 iter based
+        #[arg(short, long, default_value_t = 0)]
+        mode: u8,
+    },
+    /// Solution for day 03
+    Day003 {
+        file: Option<PathBuf>,
+        #[arg(long)]
+        alt: bool,
+    },
+}
+
+pub fn execute_cli() {
+    let aoc2022 = AdventOfCode2022::parse();
+    match &aoc2022.command {
+        Commands::Day001 { file, top, total } => subcmd_day001(&file, &top, &total),
+        Commands::Day002 { file, alt, mode } => match mode {
+            0 => subcmd_day002(&file, &alt),
+            1 => subcmd_day002_op(&file, &alt),
+            2 => subcmd_day002_iter(&file, &alt),
+            _ => panic!(),
+        },
+        Commands::Day003 { file, alt } => subcmd_day003(&file, &alt),
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..634bff3
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,8 @@
+pub mod util;
+mod cli;
+
+use cli::execute_cli;
+
+fn main() {
+    execute_cli();
+}
diff --git a/src/util.rs b/src/util.rs
new file mode 100644
index 0000000..b9e4782
--- /dev/null
+++ b/src/util.rs
@@ -0,0 +1,11 @@
+use std::fs::File;
+use std::io::{self, BufRead};
+use std::path::Path;
+
+pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
+where
+P: AsRef<Path>,
+{
+    let file = File::open(filename)?;
+    Ok(io::BufReader::new(file).lines())
+}