using Sdt.Config;
using Sdt.Runner;

namespace Sdt.Core;

public sealed record ProbeResult(
    string Tool,
    bool IsAvailable,
    string? Version = null,
    string? Details = null);

public sealed record InstallCommand(
    string Command,
    IReadOnlyList<string> Args);

public sealed record InstallPlan(
    string Tool,
    bool Supported,
    string Summary,
    IReadOnlyList<InstallCommand> Commands);

public sealed record WorkflowStepResult(
    string WorkflowId,
    string StepId,
    string StepLabel,
    RunResult Result);

public enum ExecutionStopReason
{
    MissingPrereq,
    InstallFailed,
    CommandFailed,
    ValidationFailed,
    UserDeclined,
}

public sealed record WorkflowExecutionResult(
    bool Success,
    ExecutionStopReason? StopReason,
    string Message,
    IReadOnlyList<WorkflowStepResult> Steps);

public interface IToolProbe
{
    Task<ProbeResult> ProbeAsync(
        string tool,
        string projectRoot,
        DevToolConfig? config = null,
        CancellationToken cancellationToken = default);
}

public interface IPrereqInstaller
{
    Task<InstallPlan> GetInstallPlanAsync(
        string tool,
        string projectRoot,
        DevToolConfig? config = null,
        CancellationToken cancellationToken = default);

    Task<RunResult> RunInstallAsync(
        InstallCommand command,
        string projectRoot,
        Action<string, bool> onOutput,
        CancellationToken cancellationToken = default);
}

public interface IActionRunner
{
    Task<RunResult> RunStepAsync(
        WorkflowStep step,
        string projectRoot,
        Action<string, bool> onOutput,
        CancellationToken cancellationToken = default);
}

public interface IWorkflowPlanner
{
    List<WorkflowDefinition> ResolvePlan(
        WorkflowDefinition workflow,
        IReadOnlyDictionary<string, WorkflowDefinition> allWorkflows);
}

public interface IRequirementResolver
{
    List<ToolRequirement> Resolve(WorkflowStep step);
    List<ToolRequirement> Resolve(BuildTarget target);
}