using MAF1.Decisions;

namespace MAF1.Web;

/// <summary>浏览器 POST /api/run 的图：节点 + 连线。和前端 state.nodes / state.edges 一一对应。</summary>
public sealed class WorkflowGraph
{
    public List<WorkflowNode> Nodes { get; set; } = [];
    public List<WorkflowEdge> Edges { get; set; } = [];
}

/// <summary>画布节点。Config 里可写 filePath、credentialId、decisionTimeoutSeconds 等固定输入。</summary>
public sealed class WorkflowNode
{
    public string Id { get; set; } = "";
    public string Type { get; set; } = "";
    public string Title { get; set; } = "";
    public double X { get; set; }
    public double Y { get; set; }
    public Dictionary<string, string> Config { get; set; } = new(StringComparer.OrdinalIgnoreCase);
}

/// <summary>
/// 一条边：FromPort → ToPort 传数据。When 是运行条件（hasValidCities / !hasValidCities / 空=始终）。
/// </summary>
public sealed class WorkflowEdge
{
    public string Id { get; set; } = "";
    public string From { get; set; } = "";
    public string To { get; set; } = "";
    public string FromPort { get; set; } = "";
    public string ToPort { get; set; } = "";
    public string? When { get; set; }
}

/// <summary>一次运行的状态机：completed / needsDecision / failed。</summary>
public static class WorkflowRunStatus
{
    public const string Completed = "completed";
    public const string NeedsDecision = "needsDecision";
    public const string Failed = "failed";
}

/// <summary>返回给前端的运行快照。暂停时带 Decision，方便弹出确认框。</summary>
public sealed class WorkflowRunResult
{
    public bool Ok { get; set; }
    public string Status { get; set; } = WorkflowRunStatus.Completed;
    public string? RunId { get; set; }
    public string? Error { get; set; }
    public DecisionRequest? Decision { get; set; }
    public DecisionAnswer? AppliedDecision { get; set; }
    public List<NodeRunLog> Steps { get; set; } = [];
}

/// <summary>单个节点的执行日志，显示在页面底部「运行结果」。</summary>
public sealed class NodeRunLog
{
    public string NodeId { get; set; } = "";
    public string Type { get; set; } = "";
    public string Title { get; set; } = "";
    public bool Skipped { get; set; }
    public string? Message { get; set; }
    public Dictionary<string, object?> Inputs { get; set; } = [];
    public Dictionary<string, object?> Outputs { get; set; } = [];
}