Replace all login username references with email

README.md

@@ -110,12 +110,12 @@ $ cargo install --force --path .
 
 crunchy-cli requires you to log in.
 Though you can use a non-premium account, you will not have access to premium content without a subscription.
-You can authenticate with your credentials (user:password) or by using a refresh token.
+You can authenticate with your credentials (email:password) or by using a refresh token.
 
 - Credentials
 
   ```shell
-  $ crunchy-cli --credentials "user:password" <command>
+  $ crunchy-cli --credentials "email:password" <command>
   ```
 
 - Refresh Token
@@ -208,8 +208,8 @@ The `login` command can store your session, so you don't have to authenticate ev
 
 ```shell
 # save the refresh token which gets generated when login with credentials.
-# your username/email and password won't be stored at any time on disk
-$ crunchy-cli login --credentials "user:password"
+# your email and password won't be stored at any time on disk
+$ crunchy-cli login --credentials "email:password"
 # save etp-rt cookie
 $ crunchy-cli login --etp-rt "4ebf1690-53a4-491a-a2ac-488309120f5d"
 ```

crunchy-cli-core/src/lib.rs

@@ -342,10 +342,10 @@ async fn crunchyroll_session(cli: &mut Cli) -> Result<Crunchyroll> {
     };
 
     let crunchy = if let Some(credentials) = &login_method.credentials {
-        if let Some((user, password)) = credentials.split_once(':') {
-            builder.login_with_credentials(user, password).await?
+        if let Some((email, password)) = credentials.split_once(':') {
+            builder.login_with_credentials(email, password).await?
         } else {
-            bail!("Invalid credentials format. Please provide your credentials as user:password")
+            bail!("Invalid credentials format. Please provide your credentials as email:password")
         }
     } else if let Some(etp_rt) = &login_method.etp_rt {
         builder.login_with_etp_rt(etp_rt).await?

crunchy-cli-core/src/login/command.rs

@@ -46,7 +46,7 @@ impl Execute for Login {
 #[derive(Clone, Debug, Parser)]
 pub struct LoginMethod {
     #[arg(
-        help = "Login with credentials (username or email and password). Must be provided as user:password"
+        help = "Login with credentials (email and password). Must be provided as email:password"
     )]
     #[arg(long)]
     pub credentials: Option<String>,