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Home-Assistant-WashWise

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Home Assistant integration: weather-forecast-based wash advisor for cars, motorcycles, windows, solar panels, and more.

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ZIP 다운로드

- - release.yml
  - validate.yml
- dependabot.yml
- FUNDING.yml
- - actions.png
  - card-can-wash.png
  - card-configuration.png
  - card-snoozed.png
  - config-flow-optional-thresholds.png
  - config-flow-step1.png
  - device-controls-sensors.png
  - device-diagnostics.png
- .gitkeep
- - __init__.py
  - binary_sensor.py
  - button.py
  - config_flow.py
  - const.py
  - coordinator.py
  - decision.py
  - device.py
  - icon.png
  - [email protected]
  - manifest.json
  - models.py
  - sensor.py
  - services.py
  - services.yaml
  - storage.py
  - strings.json
  - weather_source.py
- TESTING_DOCKER.md
- __init__.py
- conftest.py
- test_binary_sensor.py
- test_button.py
- test_card_editor.py
- test_config_flow.py
- test_coordinator.py
- test_coverage_gaps.py
- test_decision.py
- test_init.py
- test_irrigation.py
- test_models.py
- test_multi_instance.py
- test_options_flow.py
- test_sensor.py
- test_services.py
- test_storage.py
- test_weather_source.py
.coveragerc
.gitignore
CHANGELOG.md
CODEOWNERS
conftest.py
cspell.json
hacs.json
info.md
LICENSE
pyproject.toml
pytest.ini
README.md
requirements_test.txt
SECURITY.md

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<a href="https://github.com/italo-lombardi/Home-Assistant-WashWise/releases"><img src="https://img.shields.io/github/v/release/italo-lombardi/Home-Assistant-WashWise" alt="GitHub Release"></a>
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Decide whether to wash your car (or motorcycle, boat, solar panels, patio…) — or whether to skip garden irrigation — based on the weather forecast. WashWise reads any Home Assistant `weather` entity, walks an ordered fallback list of sources, and produces a verdict, a 0–100 score, a blocking reason, and per-day breakdown — all wrapped in a custom Lovelace card.

---

## Screenshots

| Card — OK | Card — Snoozed |
|:---------:|:--------------:|
| ![Card OK](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/card-can-wash.png) | ![Card snoozed](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/card-snoozed.png) |

| Controls & Sensors | Diagnostics |
|:-----------------:|:-----------:|
| ![Controls and sensors](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/device-controls-sensors.png) | ![Diagnostics](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/device-diagnostics.png) |

| Config flow — step 1 | Config flow — thresholds |
|:--------------------:|:------------------------:|
| ![Config step 1](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/config-flow-step1.png) | ![Thresholds](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/config-flow-optional-thresholds.png) |

| Card editor | Actions |
|:-----------:|:-------:|
| ![Card editor](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/card-configuration.png) | ![Actions](https://raw.githubusercontent.com/italo-lombardi/Home-Assistant-WashWise/main/assets/screenshots/actions.png) |

---

## Features

- **Generic weather model** -- any HA `weather` entity works, no per-provider code
- **Ordered fallback** -- list multiple weather sources; first available wins, failovers persisted
- **0–100 score** -- weighted sum of precipitation, freeze, and bad-condition penalties
- **Eleven categories** -- Car, Motorcycle, Bicycle, Boat, RV, Windows, Laundry, Solar Panels, Patio, Garden Irrigation, Custom — each with sensible preset thresholds
- **Solar panel inversion** -- rain *helps* clean panels; verdict flips automatically
- **Garden irrigation** -- inverted-logic category; `can_wash = true` means rain is forecast so irrigation should be skipped; event-driven updates with no polling
- **Rain gauge / pluviometer** -- optional sensor entity; measured rain suppresses irrigation when it meets a configurable mm threshold
- **Irrigation switch control** -- optional `switch` / `input_boolean`; coordinator turns it off when irrigation is suppressed, on when conditions are dry
- **Smart auto-recalc** -- coordinator recomputes the moment the active weather entity changes state
- **Snooze** -- pause the verdict for N hours via service call; countdown sensor included
- **Wash log** -- mark washes manually; days-since and 30-day count tracked in persistent storage
- **Provider health** -- success/failure counters and uptime percentage per weather source
- **Custom Lovelace card** -- verdict, score, forecast strip, diagnostics panel, visual editor
- **HACS-installable**, 29 backend languages, 100% test coverage gate in CI

---

## Installation

### HACS (Recommended)

1. Open HACS in your Home Assistant instance.
2. Go to **Integrations** and click the three-dot menu.
3. Select **Custom repositories**.
4. Add `https://github.com/italo-lombardi/Home-Assistant-WashWise` with category **Integration**.
5. Click **Install** and restart Home Assistant.

### Manual

1. Download the [latest release](https://github.com/italo-lombardi/Home-Assistant-WashWise/releases).
2. Copy the `custom_components/washwise/` folder into your `config/custom_components/` directory.
3. Restart Home Assistant.

---

## Configuration

This integration uses a config flow accessible from **Settings > Devices & Services > Add Integration > WashWise**.

### Step 1: Weather sources & basics

| Field | Description |
|-------|-------------|
| Weather entities | One or more HA `weather.*` entities in priority order. First available is used; rest are fallbacks. |
| Name | Optional friendly name (e.g. "Daily driver"). Entity IDs become `sensor.washwise_<name>_*`. |
| Category | One of eleven categories (see [Categories](#categories) below). Default: Car. |
| Customize thresholds | Toggle on to override the category preset in the next step. |

### Step 2 (optional): Garden irrigation

Visible only when **Garden Irrigation** category is selected.

| Field | Description |
|-------|-------------|
| Rain gauge entity | Optional `sensor` or `input_number` entity reporting precipitation in mm. |
| Threshold (mm) | Measured rain at or above this value suppresses irrigation (default 5 mm). |
| Irrigation switch entity | Optional `switch` or `input_boolean` to control automatically. |

### Step 3 (optional): Thresholds

Visible only when **Customize thresholds** is on. Pre-filled from the selected category preset.

| Field | Description |
|-------|-------------|
| Horizon (days) | How many forecast days to analyse (0–7). |
| Precipitation cutoff (mm) | Any day above this value blocks the verdict. |
| Freeze check | Block when any forecast day crosses 0 °C. |
| Score weights | Independent weights for precipitation, freeze, and bad-condition penalties. |

### Reconfigure & options

All settings can be edited after creation via **Settings > Devices & Services > WashWise > Configure**.

The **Advanced** step includes a **Temperature unit** override. Leave it on **Auto** unless your weather provider sends Fahrenheit values without tagging them (you'll see e.g. `145 °F` in the min/max sensors — set the override to Fahrenheit to fix it).

---

## Categories

| Category | Horizon | Precip cutoff | Freeze check | Inverted |
|----------|---------|---------------|--------------|----------|
| Car | 3 d | 0.2 mm | yes | no |
| Motorcycle | 2 d | 0.5 mm | yes | no |
| Bicycle | 2 d | 0.8 mm | no | no |
| Boat | 5 d | 0.1 mm | yes | no |
| RV / Camper | 5 d | 0.1 mm | yes | no |
| House windows | 1 d | 1.0 mm | no | no |
| Laundry | 7 h | 0.1 mm | yes | no |
| Solar panels | 0 d | 0.0 mm | no | **yes** |
| Patio / deck | 2 d | 0.5 mm | no | no |
| Garden irrigation | 1 d | 2.0 mm | no | **yes** |
| Custom | 3 d | 0.2 mm | yes | no |

Solar panels and Garden irrigation invert the verdict — rain forecast means "self-cleaning expected" / "skip irrigation" rather than "wash now".

---

## Entities created

All entities live under a single **WashWise \<name\>** device per config entry.

### Binary sensors

| Entity | Description |
|--------|-------------|
| `binary_sensor.washwise_<name>_can_wash` | Primary verdict. Attributes: `forecast_summary`, `decision_details`, `days_analyzed`, `score`, `reason`, `active_weather_entity`. |
| `binary_sensor.washwise_<name>_day_N_ok` | Per-day verdict for each day in the horizon (max 7). |
| `binary_sensor.washwise_<name>_freeze_risk` | Diagnostic: ON when the forecast crosses 0 °C. |
| `binary_sensor.washwise_<name>_irrigation_suppressed` | *Garden irrigation only.* Primary: ON when irrigation should be skipped (rain forecast or gauge threshold met). |
| `binary_sensor.washwise_<name>_forecast_blocks_irrigation` | *Garden irrigation only.* Diagnostic: ON when the weather forecast alone blocks irrigation. |
| `binary_sensor.washwise_<name>_irrigation_switch_state` | *Garden irrigation only.* Diagnostic: mirrors the state of the configured irrigation switch entity. |

### Sensors

| Entity | Description |
|--------|-------------|
| `sensor.washwise_<name>_score` | 0–100 wash score. |
| `sensor.washwise_<name>_reason` | Reason key: `clear` / `rain` / `freeze` / `snow` / `bad_condition` / `bad_current_condition` / `snoozed` / `unavailable`. |
| `sensor.washwise_<name>_days_until_wash` | Whole-day count to first clear window. `0` means today. |
| `sensor.washwise_<name>_days_since_wash` | Days since the last wash log entry. |
| `sensor.washwise_<name>_last_washed` | Timestamp of the most recent wash log entry. |
| `sensor.washwise_<name>_wash_count_30d` | Wash log entries in the last 30 days. |
| `sensor.washwise_<name>_active_provider` | Friendly label of the active weather source. Attribute: `weather_entity_id`. |
| `sensor.washwise_<name>_last_update` | Timestamp of the last successful coordinator refresh. |
| `sensor.washwise_<name>_measured_rain_mm` | *Garden irrigation only.* Live reading from the configured rain gauge. Attribute: `threshold_mm`. |
| `sensor.washwise_<name>_rain_gauge_threshold_mm` | *Garden irrigation only.* Diagnostic: the configured suppression threshold in mm. |

### Diagnostic sensors

| Entity | Description |
|--------|-------------|
| `sensor.washwise_<name>_category` | Configured category key (e.g. `car`, `boat`). |
| `sensor.washwise_<name>_days_analyzed` | Forecast slots analysed (daily forecast). Shows unit `d`. |
| `sensor.washwise_<name>_hours_analyzed` | Forecast slots analysed (hourly forecast, e.g. Laundry). Shows unit `h`. |
| `sensor.washwise_<name>_precip_total_mm` | Sum of precipitation across the analysed horizon. |
| `sensor.washwise_<name>_worst_condition` | Most adverse condition code seen in the horizon. |
| `sensor.washwise_<name>_min_temp` | Minimum forecast temperature (°C). |
| `sensor.washwise_<name>_max_temp` | Maximum forecast temperature (°C). |
| `sensor.washwise_<name>_primary_provider_uptime` | Success ratio of the primary weather source (%). |
| `sensor.washwise_<name>_snooze_remaining` | Minutes left on an active snooze, or Unknown when not snoozed. |
| `sensor.washwise_<name>_day_N_score` | Per-day score (0–100) for each horizon day. |

### Buttons

| Entity | Action |
|--------|--------|
| `button.washwise_<name>_mark_washed` | Append a manual entry to the wash log. Label shows **Mark irrigated** for garden irrigation instances. |

---

## How the score is calculated

The score starts at 100 and subtracts points for each forecast day in the horizon:

```
for day in horizon:
    score -= precip_weight   × normalised_precip(day)
    score -= freeze_weight   × (1 if day crosses 0 °C else 0)
    score -= condition_weight × BAD_CONDITION_SEVERITY[condition]
score = clamp(0, 100, score)
```

The `can_wash` verdict is independent — it goes **off** the moment any day breaches the precipitation threshold, freeze check, or a blocking condition. The score reflects *how confident* WashWise is in saying yes or no.

Default weights: precipitation 40, freeze 30, bad condition 30. All three are configurable in **Options > Customize thresholds**.

---

## Services

| Service | Description |
|---------|-------------|
| `washwise.mark_washed` | Append a wash entry. Optional `timestamp` (defaults to now). |
| `washwise.snooze` | Pause the verdict for `hours` (integer, minimum 1). |
| `washwise.clear_snooze` | Cancel any active snooze and return to the normal verdict. |
| `washwise.set_irrigation_switch` | *Garden irrigation only.* Manually set the irrigation switch `state` (`on` \| `off`). |

All services require an `entry_id` field targeting the WashWise config entry (visible in Developer Tools → Actions).

---

## Lovelace card

The custom card auto-registers when the integration loads. Add it to a dashboard with:

```yaml
type: custom:washwise-card
entity: binary_sensor.washwise_daily_driver_can_wash
```

Full options:

```yaml
type: custom:washwise-card
entity: binary_sensor.washwise_daily_driver_can_wash
name: My Honda Civic          # optional title override
theme: auto                   # auto | light | dark
accent_color: "#2e7d32"
bad_color: "#c62828"
show_score_gauge: true
show_reason: true
show_forecast_strip: true
show_diagnostics: true
diagnostics_open: false       # start diagnostics section expanded
compact_mode: false
```

All options are configurable via the visual card editor.

---

## Adding a new weather provider

WashWise has no per-provider adapter. Anything that exposes a HA `weather` entity and serves `weather.get_forecasts` is supported automatically.

1. Install the provider in HA so a `weather.*` entity appears.
2. Verify `weather.get_forecasts` returns a non-empty `forecast` list (Developer Tools → Actions).
3. Add the entity to your WashWise config in **Settings > Devices & Services > WashWise > Configure > Providers**.

If the provider uses a precipitation or temperature key not in the built-in fallback list, [open an issue](https://github.com/italo-lombardi/Home-Assistant-WashWise/issues) with a sample payload — adding it is a one-line `const.py` edit.

---

## FAQ

**Q: All sensors show `unavailable` right after install.**
A: The coordinator needs one successful update. Call `washwise.snooze` with `hours: 0` is invalid — just wait for the first weather entity state change, or trigger a reload from the integration page.

**Q: Min / max temperature shows values in °F.**
A: The provider sends Fahrenheit without tagging the unit. Open **Configure → Advanced** and switch **Temperature unit** from Auto to Fahrenheit.

**Q: Solar panels says "wash now" when it's sunny.**
A: That is the inverted-logic category working as intended — clear weather means panels stay dirty. Switch to **Custom** if you want non-inverted behaviour.

**Q: `precip_total_mm` is always 0.**
A: The provider uses a precipitation key not in the fallback list. Open an issue with the `weather.get_forecasts` payload.

**Q: How do I monitor failovers?**
A: `sensor.washwise_<name>_active_provider` shows which source is active. `primary_provider_uptime` shows the health ratio.

---

## Contributing

Contributions are welcome! Please:

1. Fork the repository.
2. Create a feature branch (`git checkout -b feature/my-feature`).
3. Commit your changes with clear commit messages.
4. Open a Pull Request against `main`.

### Development Setup

```bash
git clone https://github.com/italo-lombardi/Home-Assistant-WashWise.git

python -m venv venv
source venv/bin/activate

pip install homeassistant pytest pytest-homeassistant-custom-component freezegun
```

### Running Tests

```bash
python -m pytest tests/ -v
```

### Guidelines

- Follow the [Home Assistant integration development guidelines](https://developers.home-assistant.io/).
- Add translations for any new user-facing strings.
- Write tests for new functionality.
- Keep PRs focused — one feature or fix per PR.

---

## Sibling integrations

Other Home Assistant integrations by the same author:

| Integration | Description |
|-------------|-------------|
| [Entity Availability](https://github.com/italo-lombardi/Home-Assistant-EntityAvailability) | Monitor entity availability by group — tracks offline entities, availability history, and degraded states with a custom dashboard card |
| [Entity Guard](https://github.com/italo-lombardi/Home-Assistant-EntityGuard) | Enforce entity state via declarative rules — replaces hand-written auto-off / auto-lock / kill-switch automations |
| [Entity Distance](https://github.com/italo-lombardi/Home-Assistant-EntityDistance) | Tracks distance between 2–5 HA entities (persons, devices, zones) — direction, closing speed, ETA, proximity, group sensors |
| [Entity State Tracker](https://github.com/italo-lombardi/Home-Assistant-EntityStateTracker) | Tracks time-in-state and transitions across time frames — per-state breakdowns and compliance scoring, with a custom card |
| [Fuel Compare](https://github.com/italo-lombardi/Home-Assistant-FuelCompare) | Live fuel prices from 36 providers across 30 countries |
| [DashSnap](https://github.com/italo-lombardi/DashSnap) | Record or screenshot any web page via headless Chromium — HA dashboards, Grafana, public pages; HA Add-on or Docker |
| [DashSnap Integration](https://github.com/italo-lombardi/DashSnap-Integration) | Trigger DashSnap recordings and screenshots from HA automations and scripts |

---

## License

MIT. See `LICENSE`.