feat: add Docker first-start admin bootstrap

tests/init_admin_tests.rs

@@ -0,0 +1,57 @@
+use bzod::config::Config;
+use bzod::db::Db;
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+fn create_temp_config(temp_dir: PathBuf) -> Config {
+    let mut config = Config::load();
+    config.data_dir = temp_dir.clone();
+    config.backup_dir = temp_dir.clone();
+    config.base_url = Some("http://bzo.in".to_string());
+    config
+}
+
+#[tokio::test]
+async fn test_init_admin() {
+    let temp_dir =
+        std::env::temp_dir().join(format!("bzod_test_init_admin_{}", uuid::Uuid::new_v4()));
+    fs::create_dir_all(&temp_dir).unwrap();
+    let config = create_temp_config(temp_dir.clone());
+
+    // Case C/D - missing env vars
+    env::remove_var("ADMIN_USERNAME");
+    env::remove_var("ADMIN_PASSWORD");
+    let res = bzod::cli::init_admin::run(None, config.clone()).await;
+    assert!(res.is_err(), "Should fail without env vars");
+
+    // Case A - No admin + valid ENV
+    env::set_var("ADMIN_USERNAME", "admin");
+    env::set_var("ADMIN_PASSWORD", "securepass");
+    let res = bzod::cli::init_admin::run(None, config.clone()).await;
+    assert!(res.is_ok(), "Should succeed with valid env vars");
+
+    let db = Db::init(&config).unwrap();
+    {
+        let conn = db.users.lock().unwrap();
+        let user = bzod::db::users::get_user_by_username(&conn, "admin")
+            .unwrap()
+            .unwrap();
+        assert_eq!(user.account_type, "admin");
+        assert!(bzod::auth::verify_password(
+            "securepass",
+            &user.password_hash
+        ));
+    }
+
+    // Case B/F - Admin already exists
+    env::remove_var("ADMIN_USERNAME");
+    env::remove_var("ADMIN_PASSWORD");
+    let res = bzod::cli::init_admin::run(None, config.clone()).await;
+    assert!(
+        res.is_ok(),
+        "Should skip and succeed if admin exists even without env vars"
+    );
+
+    let _ = fs::remove_dir_all(&temp_dir);
+}