using Refit;

namespace OTSSignsOrchestrator.Desktop.Services;

// ── DTOs matching server REST API responses ─────────────────────────────────

public record FleetSummaryDto
{
    public Guid CustomerId { get; init; }
    public string Abbreviation { get; init; } = string.Empty;
    public string CompanyName { get; init; } = string.Empty;
    public string Plan { get; init; } = string.Empty;
    public int ScreenCount { get; init; }
    public string HealthStatus { get; init; } = "Unknown";
    public DateTime? LastHealthCheck { get; init; }
    public bool HasRunningJob { get; init; }
}

public record CustomerDetailDto
{
    public Guid Id { get; init; }
    public string Abbreviation { get; init; } = string.Empty;
    public string CompanyName { get; init; } = string.Empty;
    public string? AdminEmail { get; init; }
    public string Plan { get; init; } = string.Empty;
    public int ScreenCount { get; init; }
    public string Status { get; init; } = string.Empty;
    public DateTime CreatedAt { get; init; }
    public List<CustomerInstanceDto> Instances { get; init; } = [];
    public List<CustomerJobDto> ActiveJobs { get; init; } = [];
}

public record CustomerInstanceDto
{
    public Guid Id { get; init; }
    public string? XiboUrl { get; init; }
    public string? DockerStackName { get; init; }
    public string HealthStatus { get; init; } = "Unknown";
    public DateTime? LastHealthCheck { get; init; }
}

public record CustomerJobDto
{
    public Guid Id { get; init; }
    public string JobType { get; init; } = string.Empty;
    public string Status { get; init; } = string.Empty;
    public DateTime CreatedAt { get; init; }
    public DateTime? StartedAt { get; init; }
}

public record CreateJobRequest(Guid CustomerId, string JobType, string? Parameters);

public record CreateJobResponse
{
    public Guid Id { get; init; }
    public string JobType { get; init; } = string.Empty;
    public string Status { get; init; } = string.Empty;
}

public record JobDetailDto
{
    public Guid Id { get; init; }
    public Guid CustomerId { get; init; }
    public string JobType { get; init; } = string.Empty;
    public string Status { get; init; } = string.Empty;
    public string? TriggeredBy { get; init; }
    public string? Parameters { get; init; }
    public DateTime CreatedAt { get; init; }
    public DateTime? StartedAt { get; init; }
    public DateTime? CompletedAt { get; init; }
    public string? ErrorMessage { get; init; }
    public List<JobStepDto> Steps { get; init; } = [];
}

public record JobStepDto
{
    public Guid Id { get; init; }
    public string StepName { get; init; } = string.Empty;
    public string Status { get; init; } = string.Empty;
    public string? LogOutput { get; init; }
    public DateTime? StartedAt { get; init; }
    public DateTime? CompletedAt { get; init; }
}

public record LoginRequest(string Email, string Password);
public record RefreshRequest(string RefreshToken);

public record AuthResponse
{
    public string Token { get; init; } = string.Empty;
    public string RefreshToken { get; init; } = string.Empty;
}

public record RefreshResponse
{
    public string Token { get; init; } = string.Empty;
}

// ── Refit interface ─────────────────────────────────────────────────────────

[Headers("Accept: application/json")]
public interface IServerApiClient
{
    [Get("/api/fleet")]
    Task<List<FleetSummaryDto>> GetFleetAsync();

    [Get("/api/fleet/{id}")]
    Task<CustomerDetailDto> GetCustomerDetailAsync(Guid id);

    [Post("/api/jobs")]
    Task<CreateJobResponse> CreateJobAsync([Body] CreateJobRequest body);

    [Get("/api/jobs/{id}")]
    Task<JobDetailDto> GetJobAsync(Guid id);

    [Post("/api/auth/login")]
    Task<AuthResponse> LoginAsync([Body] LoginRequest body);

    [Post("/api/auth/refresh")]
    Task<RefreshResponse> RefreshAsync([Body] RefreshRequest body);

    [Get("/api/reports/billing")]
    Task<HttpResponseMessage> GetBillingCsvAsync([Query] DateOnly from, [Query] DateOnly to);

    [Get("/api/reports/fleet-health")]
    Task<HttpResponseMessage> GetFleetHealthPdfAsync();

    [Post("/api/fleet/bulk/{action}")]
    Task<HttpResponseMessage> BulkActionAsync(string action);
}

// ── DelegatingHandler for Bearer token injection ────────────────────────────

public class AuthHeaderHandler : DelegatingHandler
{
    private readonly TokenStoreService _tokenStore;

    public AuthHeaderHandler(TokenStoreService tokenStore)
    {
        _tokenStore = tokenStore;
    }

    protected override async Task<HttpResponseMessage> SendAsync(
        HttpRequestMessage request, CancellationToken cancellationToken)
    {
        var jwt = _tokenStore.GetJwt();
        if (!string.IsNullOrEmpty(jwt))
            request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", jwt);

        return await base.SendAsync(request, cancellationToken);
    }
}