make SET stub + move elements into system wrapper

src/system.rs

@@ -0,0 +1,51 @@
+use crate::monitor::Monitoring;
+use crate::tasmota::{TasmotaInterface, TasmotaInterfaceConfig};
+use crate::types::Error;
+use reqwest::Client;
+use serde::Deserialize;
+use std::fs;
+
+#[derive(Deserialize)]
+pub struct SystemConfig {
+    components: Vec<TasmotaInterfaceConfig>,
+}
+impl SystemConfig {
+    fn print(&self) {
+        for t in &self.components {
+            t.print();
+        }
+    }
+}
+
+pub struct System {
+    components: Vec<TasmotaInterface>,
+}
+
+impl System {
+    pub fn new_from_file(config_file: &str) -> Result<Self, Error> {
+        let config_str = fs::read_to_string(config_file)?;
+        let config: SystemConfig = toml::from_str(&config_str)?;
+        Ok(Self {
+            components: System::load_targets(&config.components),
+        })
+    }
+
+    pub fn load_targets(targets: &Vec<TasmotaInterfaceConfig>) -> Vec<TasmotaInterface> {
+        let mut v = Vec::new();
+        for target in targets {
+            v.push(TasmotaInterface::new(target.clone()));
+        }
+        v
+    }
+
+    pub async fn get_power(&self) -> Result<(), Error> {
+        for component in &self.components {
+            if let Ok(res) = component.get_power().await {
+                component.print();
+                println!("* POWER: {}W", res);
+                println!("------------------")
+            }
+        }
+        Ok(())
+    }
+}