using Journal.Core.Dtos;

namespace Journal.Core.Services;

public sealed class DisabledAiService : IAiService
{
    private readonly string _provider;
    private readonly string _message;
    private readonly bool _healthy;

    public DisabledAiService(string provider, string message = "AI provider disabled.", bool healthy = true)
    {
        _provider = string.IsNullOrWhiteSpace(provider) ? "none" : provider.Trim();
        _message = string.IsNullOrWhiteSpace(message) ? "AI provider disabled." : message.Trim();
        _healthy = healthy;
    }

    public Task<AiHealthDto> HealthAsync(CancellationToken cancellationToken = default) =>
        Task.FromResult(new AiHealthDto(_provider, Enabled: false, Healthy: _healthy, Message: _message));

    public Task<string> SummarizeEntryAsync(string content, string? fileStem = null, CancellationToken cancellationToken = default) =>
        Task.FromResult(_message);

    public Task<string> SummarizeAllAsync(IReadOnlyList<string> entries, CancellationToken cancellationToken = default) =>
        Task.FromResult(_message);

    public Task<string> ChatAsync(string prompt, CancellationToken cancellationToken = default) =>
        Task.FromResult(_message);

    public Task<IReadOnlyList<double>> EmbedAsync(string content, CancellationToken cancellationToken = default) =>
        Task.FromResult<IReadOnlyList<double>>([]);
}