1 files changed, 137 insertions, 0 deletions
diff --git a/src/util.rs b/src/util.rs
new file mode 100644
index 0000000..4e9f5a0
--- /dev/null
+++ b/src/util.rs
@@ -0,0 +1,137 @@
+use std::fs;
+
+use serde::{Deserialize, Serialize};
+use thirtyfour::{DesiredCapabilities, WebDriver, By};
+use toml::Table;
+use tracing::{info, debug};
+
+use crate::errors::CliError;
+
+
+#[derive(Deserialize, Serialize)]
+pub struct PackConfig {
+    pub pack: Pack,
+    pub mods: Table,
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct Pack {
+    pub name: String,
+    pub pack_base_url: String,
+    pub forge_url: String,
+    pub game_version: String,
+    pub java_args: String,
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct PackLock {
+    pub global: LockGlobal,
+    pub mod_versions: Table,
+}
+
+#[derive(Deserialize, Serialize)]
+pub struct LockGlobal {
+    pub pack_version: u16,
+}
+
+pub fn read_pack_config() -> Result<PackConfig, CliError> {
+   let contents = fs::read_to_string("./pack.toml")?; 
+
+   let res: PackConfig = toml::from_str(&contents)?;
+
+   Ok(res)
+}
+
+pub fn read_pack_lock() -> Result<PackLock, CliError> {
+   let contents = fs::read_to_string("./pack.lock")?; 
+
+   let res = toml::from_str(&contents)?;
+
+   Ok(res)
+}
+
+pub async fn find_updated_urls(urls: toml::map::Values<'_>, game_version: String) -> Result<Vec<String>, CliError> {
+    let res: Vec<String> = Vec::new();
+    debug!("Attempting to find updated URLs");
+    debug!("Attempting to open webdriver");
+    let caps = DesiredCapabilities::firefox();
+    let driver = WebDriver::new("http://localhost:9515", caps).await?;
+    driver.close_window().await?;
+    debug!("Closed test window");
+
+    for url in urls {
+        find_url(url.to_string(), &game_version).await?;
+    }
+
+    Ok(res)
+}
+
+async fn find_url(homepage_url: String, game_version: &String) -> Result<String, CliError> {
+    if homepage_url.contains("curseforge") {
+        let caps = DesiredCapabilities::firefox();
+        let driver = WebDriver::new("http://localhost:9515", caps).await?;
+
+        find_cdn(&driver, homepage_url, game_version).await?;
+        driver.close_window().await?;
+    } else {
+
+    }
+
+    Ok(String::new())
+}
+
+
+#[derive(Debug)]
+struct RowInfo {
+    pub release_type: String,
+    pub filename: String,
+    pub cdn_id: String,
+    pub game_version: (u16, u16, u16)
+}
+
+/**
+ * Ugh...
+ */
+async fn find_cdn(driver: &WebDriver, homepage_url: String, game_version: &String) -> Result<String, CliError> {
+    let mut page_index = 0;
+    let best_row: RowInfo;
+    loop {
+        let mut url = homepage_url.clone();
+        url.push_str(&format!("/files/all?page={}", page_index));
+        driver.goto(&url).await?;
+
+        let mod_vers = driver.find(By::ClassName("listing")).await?.find_all(By::XPath("tbody/tr")).await?;
+
+        let mut rows: Vec<RowInfo> = Vec::new();
+        for entry in mod_vers {
+            let entry_cells = entry.find_all(By::Tag("td")).await?;
+            let release_type = entry_cells[0].text().await?;
+            let tmp0 = &entry_cells[1].find_all(By::Tag("a")).await?[0].text().await?;
+            let initial_filename = urlencoding::encode(tmp0);
+ 
+            let tmp = entry_cells[4].find(By::ClassName("mr-2")).await?.text().await?;
+            let tmp2: Vec<&str> = tmp.split(".").collect();
+            let version = (tmp2[0].clone().parse::<u16>()?, tmp2[1].clone().parse::<u16>()?, tmp2[2].parse::<u16>()?);
+
+            let tmp3 = entry_cells[1].find(By::Tag("a")).await?.prop("href").await?.unwrap();
+            let tmp4: Vec<&str> = tmp3.split("/").collect();
+            let cdn_id = *tmp4.last().unwrap();
+
+            if !(initial_filename.to_lowercase().contains("fabric")) || (initial_filename.to_lowercase().contains("forge")) {
+                rows.push(RowInfo {
+                    release_type,
+                    cdn_id: cdn_id.to_string(),
+                    game_version: version,
+                    filename: initial_filename.to_string()
+                })
+            }
+        }
+        rows.sort_by_key(|k| k.game_version); 
+
+        let tuple_game_version_tmp: Vec<&str> = game_version.split(".").collect();
+        let tuple_game_version = (tuple_game_version_tmp[0].parse::<u16>()?, tuple_game_version_tmp[1].parse::<u16>()?, tuple_game_version_tmp[2].parse::<u16>()?);
+        let best_rows: Vec<&RowInfo> = rows.iter().filter(|x| x.game_version > tuple_game_version).collect();
+
+        info!("{:?}", best_rows);
+    }
+}
+\ No newline at end of file