80 lines
4.8 KiB
C#
80 lines
4.8 KiB
C#
using Evergreen.Health.Application.Health.Devices.Contracts;
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using Evergreen.Health.Application.Health.Integrations.HomeAssistant;
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using Evergreen.Health.Application.Health.Models;
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using System.Text.Json;
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namespace Evergreen.Health.Application.Health.Devices.Lighting;
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/// <summary>标准灯光参数依赖 HA 上报能力，不能将一个型号的色温范围或模式复制给另一盏灯。</summary>
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public sealed class StandardLightControl : IStandardDeviceControl
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{
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public IReadOnlyList<string> ParameterKeys => ["light_brightness", "light_color_temperature", "light_effect"];
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private static readonly string[] DimmableModes = ["brightness", "color_temp", "hs", "rgb", "rgbw", "rgbww", "xy", "white"];
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public DeviceCommand Build(HomeAssistantDiscoveredDeviceOutput device, HomeAssistantState state,
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string parameterType, object? value)
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{
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var entityId = device.PrimaryControlEntityId ?? "";
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if (!entityId.StartsWith("light.", StringComparison.Ordinal) ||
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!device.Entities.Any(entity => entity.EntityId == entityId && entity.Domain == "light"))
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throw new InvalidOperationException("该设备没有受信任的灯光主控能力");
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Validate(state, entityId, parameterType, value);
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var command = parameterType switch
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{
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"light_brightness" => Brightness(entityId, value),
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"light_color_temperature" => new DeviceCommand("设置灯光色温", entityId, "light", "turn_on",
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new Dictionary<string, object?> { ["color_temp_kelvin"] = DeviceValues.Integer(value, 1, int.MaxValue, "灯光色温") }),
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"light_effect" => new DeviceCommand("设置灯光模式", entityId, "light", "turn_on",
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new Dictionary<string, object?> { ["effect"] = DeviceValues.Text(value) }),
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_ => throw new InvalidOperationException("不支持的标准灯光参数")
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};
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return command with { ValidateCurrentState = current => Validate(current, entityId, parameterType, value),
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RetryOnVerificationMismatch = false };
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}
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private static DeviceCommand Brightness(string entityId, object? value)
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{
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var brightness = DeviceValues.Integer(value, 0, 100, "灯光亮度");
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return new("设置灯光亮度", entityId, "light", brightness == 0 ? "turn_off" : "turn_on",
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brightness == 0 ? null : new Dictionary<string, object?> { ["brightness_pct"] = brightness },
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brightness == 0 ? "off" : null);
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}
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private static void Validate(HomeAssistantState state, string entityId, string parameterType, object? value)
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{
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if (state.EntityId != entityId || state.State is not ("on" or "off"))
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throw new InvalidOperationException("灯光主控当前离线或状态未确认");
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var modes = Strings(state, "supported_color_modes");
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switch (parameterType)
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{
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case "light_brightness":
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if (!modes.Any(mode => DimmableModes.Contains(mode, StringComparer.Ordinal)))
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throw new InvalidOperationException("这盏灯未声明支持亮度调节");
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DeviceValues.Integer(value, 0, 100, "灯光亮度");
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break;
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case "light_color_temperature":
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var min = state.GetDoubleAttribute("min_color_temp_kelvin");
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var max = state.GetDoubleAttribute("max_color_temp_kelvin");
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if (!modes.Contains("color_temp") || min is null || max is null || min <= 0 || max <= min ||
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max > int.MaxValue || min != Math.Truncate(min.Value) || max != Math.Truncate(max.Value))
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throw new InvalidOperationException("这盏灯的色温能力或范围未确认");
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DeviceValues.Integer(value, (int)min.Value, (int)max.Value, "灯光色温");
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break;
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case "light_effect":
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var features = state.GetDoubleAttribute("supported_features");
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if (features is null || features < 0 || features > int.MaxValue || features != Math.Truncate(features.Value) ||
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(((int)features.Value & 4) == 0)) throw new InvalidOperationException("这盏灯未声明支持灯光模式");
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DeviceValues.Choice(value, Strings(state, "effect_list"), "灯光模式");
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break;
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default: throw new InvalidOperationException("不支持的标准灯光参数");
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}
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}
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private static string[] Strings(HomeAssistantState state, string key)
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=> state.Attributes.ValueKind == JsonValueKind.Object && state.Attributes.TryGetProperty(key, out var values) &&
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values.ValueKind == JsonValueKind.Array
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? values.EnumerateArray().Where(value => value.ValueKind == JsonValueKind.String)
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.Select(value => value.GetString()!).Where(value => !string.IsNullOrWhiteSpace(value)).Distinct(StringComparer.Ordinal).ToArray()
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: [];
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}
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