using Evergreen.Health.Application.Health.Integrations.HomeAssistant;
using Evergreen.Health.Application.Health.Sleep;
using Microsoft.Extensions.Options;

namespace Evergreen.Health.Application.Health.Devices.Dehumidifier;

public sealed class BedPresenceDehumidifierPreview(IHomeAssistantGateway gateway, IOptions<HomeAssistantOptions> options,
    TimeProvider clock) : IBedPresenceAction
{
    private HomeAssistantOptions Configuration => options.Value;
    private int Threshold => Configuration.SleepScene.TargetHumidity;

    public string Key => "dehumidifier-humidity-preview";
    public string Description => "湿度偏高时开启除湿机";
    public bool PreviewOnly => true;
    public string ConditionLabel => $"室内相对湿度超过 {Threshold}% 时记录开机计划。";

    public bool SupportsTarget(string entityId) => DehumidifierHumidityCondition.SupportsTarget(Configuration, entityId);

    public async Task<string> ExecuteAsync(string entityId, CancellationToken token)
    {
        if (!SupportsTarget(entityId)) return "target-not-configured";
        var states = await gateway.GetStatesAsync(token);
        var reason = DehumidifierHumidityCondition.SkipReason(states, Configuration, clock.GetUtcNow());
        return reason is null ? "preview-would-start" : $"preview-{reason}";
    }
}