Add Pico detail screen view models

pico-dashboard/ui/detail_view_models.py

@@ -0,0 +1,74 @@
+from .dashboard_view_model import format_value, format_bool
+
+
+class BatteryViewModel:
+    def __init__(self, state):
+        self.state = state
+
+    def as_dict(self):
+        battery = self.state.battery
+
+        return {
+            "soc": format_value(battery.get("soc"), "%", decimals=0),
+            "voltage": format_value(battery.get("voltage"), "V", decimals=1),
+            "current": format_value(battery.get("current"), "A", decimals=1),
+            "remaining_ah": format_value(battery.get("remaining_ah"), "Ah", decimals=1),
+            "runtime_hours": format_value(battery.get("runtime_hours"), " hr", decimals=1),
+            "temperature_f": format_value(battery.get("temperature_f"), "°F", decimals=1),
+        }
+
+
+class TempsViewModel:
+    SENSOR_LABELS = {
+        "fridge_zone_1": "Fridge Zone 1",
+        "fridge_zone_2": "Fridge Zone 2",
+        "rear_seat": "Rear Seat",
+        "outside": "Outside Air",
+    }
+
+    def __init__(self, state):
+        self.state = state
+
+    def as_list(self):
+        rows = []
+
+        for key, label in self.SENSOR_LABELS.items():
+            online = self.state.sensor_health.get(key, False)
+            temp = self.state.temps.get(key)
+
+            rows.append({
+                "key": key,
+                "label": label,
+                "temperature": format_value(temp, "°F", decimals=1),
+                "status": "OK" if online else "FAULT",
+            })
+
+        return rows
+
+
+class PowerViewModel:
+    def __init__(self, state):
+        self.state = state
+
+    def as_dict(self):
+        return {
+            "starlink": format_bool(self.state.relays.get("starlink")),
+            "fridge": format_bool(self.state.relays.get("fridge")),
+        }
+
+
+class SystemViewModel:
+    def __init__(self, state):
+        self.state = state
+
+    def as_dict(self):
+        sensor_count = sum(1 for online in self.state.sensor_health.values() if online)
+        total_sensors = len(self.state.sensor_health)
+
+        return {
+            "esp32": "Online" if self.state.network.get("uart_connected") else "Unknown",
+            "uart": "Connected" if self.state.network.get("uart_connected") else "Disconnected",
+            "wifi_api": "Available" if self.state.network.get("wifi_enabled") else "Unavailable",
+            "sensors": f"{sensor_count} / {total_sensors} OK",
+            "ignition": "On" if self.state.vehicle.get("ignition_on") else "Off",
+        }

tests/test_pico_core.py

@@ -482,3 +482,104 @@ def test_dashboard_view_model_handles_missing_values():
 
     assert vm["battery"]["voltage"] == "--"
     assert vm["fridge"]["zone_1"] == "--"
+
+
+def test_battery_view_model():
+    from ui.detail_view_models import BatteryViewModel
+
+    state = AppState()
+    state.update_from_status({
+        "battery": {
+            "soc": 82,
+            "voltage": 13.2,
+            "current": -6.4,
+            "remaining_ah": 82.0,
+            "runtime_hours": 12.0,
+            "temperature_f": 76.0,
+        }
+    })
+
+    vm = BatteryViewModel(state).as_dict()
+
+    assert vm["soc"] == "82%"
+    assert vm["voltage"] == "13.2V"
+    assert vm["current"] == "-6.4A"
+    assert vm["remaining_ah"] == "82.0Ah"
+    assert vm["runtime_hours"] == "12.0 hr"
+    assert vm["temperature_f"] == "76.0°F"
+
+
+def test_temps_view_model():
+    from ui.detail_view_models import TempsViewModel
+
+    state = AppState()
+    state.update_from_status({
+        "temps": {
+            "fridge_zone_1": 34.5,
+            "fridge_zone_2": 36.0,
+            "rear_seat": 71.2,
+            "outside": None,
+        },
+        "sensor_health": {
+            "fridge_zone_1": True,
+            "fridge_zone_2": True,
+            "rear_seat": True,
+            "outside": False,
+        }
+    })
+
+    rows = TempsViewModel(state).as_list()
+
+    assert rows[0]["label"] == "Fridge Zone 1"
+    assert rows[0]["temperature"] == "34.5°F"
+    assert rows[0]["status"] == "OK"
+
+    assert rows[3]["label"] == "Outside Air"
+    assert rows[3]["temperature"] == "--"
+    assert rows[3]["status"] == "FAULT"
+
+
+def test_power_view_model():
+    from ui.detail_view_models import PowerViewModel
+
+    state = AppState()
+    state.update_from_status({
+        "relays": {
+            "starlink": False,
+            "fridge": True,
+        }
+    })
+
+    vm = PowerViewModel(state).as_dict()
+
+    assert vm["starlink"] == "OFF"
+    assert vm["fridge"] == "ON"
+
+
+def test_system_view_model():
+    from ui.detail_view_models import SystemViewModel
+
+    state = AppState()
+    state.update_from_status({
+        "sensor_health": {
+            "fridge_zone_1": True,
+            "fridge_zone_2": True,
+            "rear_seat": False,
+            "outside": True,
+        },
+        "vehicle": {
+            "ignition_on": False,
+        },
+        "network": {
+            "uart_connected": True,
+            "wifi_enabled": True,
+        }
+    })
+
+    vm = SystemViewModel(state).as_dict()
+
+    assert vm["esp32"] == "Online"
+    assert vm["uart"] == "Connected"
+    assert vm["wifi_api"] == "Available"
+    assert vm["sensors"] == "3 / 4 OK"
+    assert vm["ignition"] == "Off"