add config stuff

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "archive-helper"
+name = "cyber-mod-manager"
 version = "0.1.0"
 edition = "2021"
 
@@ -8,3 +8,5 @@ edition = "2021"
 [dependencies]
 clap = { version = "4.3.11", features = ["derive"] }
 compress-tools = "0.14.3"
+serde = { version = "1.0.170", features = ["derive"] }
+serde_json = "1.0.100"

README.md

@@ -1,3 +1,5 @@
-# archive-helper
+# cyberpunk 2077 mod manager 
 
-basically does what video game mod managers (vortex, mo2) do but worse
+if it works for other games, epic
+
+if it doesn't, don't yell at me i didn't make it for other games which is why it defaults to cyberpunk

src/lib.rs

@@ -0,0 +1,64 @@
+use std::{fs, path::Path};
+
+use serde::{Deserialize, Serialize};
+
+pub struct ConfigFile {
+    pub latest_date: String,
+    pub cache_folder: String,
+}
+
+pub fn get_home() -> String {
+    let home = match std::env::consts::OS {
+        "linux" => std::env::var("HOME").expect("how is there not a $HOME"),
+        "windows" => std::env::var("userprofile")
+            .expect("yell at me if this doesn't work please i'm not going to touch windows"),
+        _ => std::env::var("HOME").expect(
+            "if this doesn't work, you're probably on macos, which i literally cannot test on",
+        ),
+    };
+    // println!("{home}");
+    home
+}
+
+pub fn create_config(file: &String) -> bool {
+    let replaced = file.replace('~', &get_home()[..]); // replace ~ with $HOME
+    let mut paths = replaced.split('/').collect::<Vec<&str>>(); // split path by /
+    paths.pop();
+    let path = paths.join("/");
+    let file_path = std::path::Path::new(&path); // Path without the filename
+
+    if let Some(_) = file_path.parent() {
+        // if the file_path has a parent folder
+        fs::create_dir_all(&path).expect("couldn't create needed folders") // create folders
+    };
+
+    if file_path.exists() && !Path::new(&replaced).exists() {
+        let file_contents = "{{  \"archives\": \"{{CONFIG}/CyberModManager/Archives\",  \"folders\": \"{{CONFIG}/CyberModManager/Mods\",  \"game_folder\": \"{{STEAM}/steamapps/common/Cyberpunk 2077\"}";
+        fs::write(replaced, file_contents).expect("couldn't write to config file");
+        true
+    } else {
+        false
+    }
+}
+
+pub fn get_steam_location() -> () {
+}
+
+pub fn read_config(file: &String) -> Config {
+    let read = fs::read_to_string(file).expect("couldn't read config file");
+    serde_json::from_str(&read[..]).expect("couldn't parse json")
+}
+
+pub fn ensure_exists(path: String) {
+    let p = Path::new(&path);
+    if !p.exists() {
+        fs::create_dir_all(p).expect("couldn't create folder")
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct Config {
+    pub latest_date: String,
+    pub cache_folder: String,
+}
+