feat: minor refactor to clarify configs with env + initial thoughs on truth source model

.env

@@ -0,0 +1 @@
+DEFAULT_DB_PATH=test

Cargo.lock

@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "dotenv"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
+
 [[package]]
 name = "wordsmith"
 version = "0.1.0"
+dependencies = [
+ "dotenv",
+]

Cargo.toml

@@ -2,3 +2,6 @@
 name = "wordsmith"
 version = "0.1.0"
 edition = "2024"
+
+[dependencies]
+dotenv = "0.15.0"

src/main.rs

@@ -1,12 +1,33 @@
-use crate::modules::config::read_config;
+use std::*;
 
 mod modules;
+use modules::config::{Config, read_config};
+
+const DEFAULT_CONFIG_PATH: &'static str = "./src/assets/wordsmith_default.conf";
 
 fn main() {
+    dotenv::dotenv().ok();
+
     let args: Vec<String> = env::args().collect();
 
-    let config = read_config(None); // TODO: read config from param
+    let default_config: Config = {
+        let db_path = {
+            let dp = env::var("DEFAULT_DB_PATH");
 
-    println!("Hello, world!");
+            if let Ok(dp) = dp {
+                dp
+            } else {
+                "~/.config/wordsmith/wordsmith.db".to_string()
+            }
+        };
+
+        Config {
+            database_path: db_path,
+        }
+    };
+
+    let config = read_config(DEFAULT_CONFIG_PATH, default_config); // TODO: read config from param
+
+    println!("Hello, world! {:?}", config);
     // CREATE DB IF DOES NOT EXISTS
 }

src/modules/config/mod.rs

@@ -1,27 +1,14 @@
 use std::fs::read_to_string;
 
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct Config {
     pub database_path: String,
 }
 
-const DEFAULT_CONFIG_PATH: &'static str = "./src/assets/wordsmith_default.conf";
+pub fn read_config(path: &str, default: Config) -> Config {
-const DEFAULT_DATABASE_PATH: &'static str = "~/.config/wordsmith/wordsmith.db";
+    let mut config = default;
 
-pub fn read_config(path: Option<&str>) -> Config {
+    for line in read_to_string(path).unwrap().lines() {
-    let target_path: &str = {
-        if let Some(p) = path {
-            p
-        } else {
-            DEFAULT_CONFIG_PATH
-        }
-    };
-
-    let mut config = Config {
-        database_path: DEFAULT_DATABASE_PATH.to_string(),
-    };
-
-    for line in read_to_string(target_path).unwrap().lines() {
         if let Some((key, value)) = line.split_once(" ") {
             match key {
                 "database_path" => {

src/modules/mod.rs

@@ -1 +1,2 @@
 pub mod config;
+pub mod database;

src/modules/source/mod.rs

@@ -0,0 +1,11 @@
+pub struct Database {
+    path: String,
+}
+
+// TruthSource
+pub trait WordSource {
+    fn find_word(&self, word: &str) -> Result<(), ()>;
+    fn insert_word(&self, word: &str) -> Result<(), ()>;
+    fn remove_word(&self, word: &str) -> Result<(), ()>;
+    fn get_all_words(&self) -> Vec<String>;
+}