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//
// 本项目主要遵循 MIT 许可证和 Apache 许可证（版本 2.0）进行分发和使用。许可证位于源代码树根目录中的 LICENSE-MIT 和 LICENSE-APACHE 文件。
//
// 不得利用本项目从事危害国家安全、扰乱社会秩序、侵犯他人合法权益等法律法规禁止的活动！任何基于本项目二次开发而产生的一切法律纠纷和责任，我们不承担任何责任！

using System.Text.Json.Serialization;

namespace Admin.NET.Plugin.ApprovalFlow.Service;

public class ApprovalFlowItem
{
    [JsonPropertyName("nodes")]
    public List<ApprovalFlowNodeItem> Nodes { get; set; }

    [JsonPropertyName("edges")]
    public List<ApprovalFlowEdgeItem> Edges { get; set; }
}

public class ApprovalFlowNodeItem
{
    [JsonPropertyName("id")]
    public string Id { get; set; }

    [JsonPropertyName("type")]
    public string Type { get; set; }

    [JsonPropertyName("x")]
    public float X { get; set; }

    [JsonPropertyName("y")]
    public float Y { get; set; }

    [JsonPropertyName("properties")]
    public FlowProperties Properties { get; set; }

    [JsonPropertyName("text")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public FlowTextItem Text { get; set; }
}

public class ApprovalFlowEdgeItem
{
    [JsonPropertyName("id")]
    public string Id { get; set; }

    [JsonPropertyName("type")]
    public string Type { get; set; }

    [JsonPropertyName("sourceNodeId")]
    public string SourceNodeId { get; set; }

    [JsonPropertyName("targetNodeId")]
    public string TargetNodeId { get; set; }

    [JsonPropertyName("startPoint")]
    public FlowEdgePointItem StartPoint { get; set; }

    [JsonPropertyName("endPoint")]
    public FlowEdgePointItem EndPoint { get; set; }

    [JsonPropertyName("properties")]
    public FlowProperties Properties { get; set; }

    [JsonPropertyName("text")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public FlowTextItem Text { get; set; }

    [JsonPropertyName("pointsList")]
    public List<FlowEdgePointItem> PointsList { get; set; }
}

/// <summary>
/// 节点属性（存储在 FlowJson 中每个 node/edge 的 properties）
/// 向后兼容：所有字段可空，旧数据反序列化不会报错
/// </summary>
public class FlowProperties
{
    // ── 用户任务节点属性 ──

    [JsonPropertyName("nodeName")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? NodeName { get; set; }

    /// <summary>
    /// 审批人类型：SpecificUser / Role / Department / Initiator
    /// </summary>
    [JsonPropertyName("approverType")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? ApproverType { get; set; }

    /// <summary>
    /// 审批人/角色/部门 Id，逗号分隔
    /// </summary>
    [JsonPropertyName("approverIds")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? ApproverIds { get; set; }

    /// <summary>
    /// 审批人/角色/部门名称，逗号分隔（冗余，便于前端展示）
    /// </summary>
    [JsonPropertyName("approverNames")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? ApproverNames { get; set; }

    /// <summary>
    /// 多人审批模式：Any(或签) / All(会签)
    /// </summary>
    [JsonPropertyName("multiApproveMode")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? MultiApproveMode { get; set; }

    [JsonPropertyName("timeoutHours")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public double? TimeoutHours { get; set; }

    /// <summary>
    /// 超时动作：AutoApprove / AutoReject / Notify / AutoEscalate
    /// </summary>
    [JsonPropertyName("timeoutAction")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? TimeoutAction { get; set; }

    // ── 升级配置 ──

    /// <summary>
    /// 升级审批人类型：SpecificUser / Role / Department
    /// </summary>
    [JsonPropertyName("escalationApproverType")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? EscalationApproverType { get; set; }

    /// <summary>
    /// 升级审批人/角色/部门 Id，逗号分隔
    /// </summary>
    [JsonPropertyName("escalationApproverIds")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? EscalationApproverIds { get; set; }

    /// <summary>
    /// 升级审批人/角色/部门名称，逗号分隔（冗余，便于前端展示）
    /// </summary>
    [JsonPropertyName("escalationApproverNames")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? EscalationApproverNames { get; set; }

    /// <summary>
    /// 是否允许手动升级（true 时审批面板显示"升级"按钮）
    /// </summary>
    [JsonPropertyName("enableManualEscalation")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public bool? EnableManualEscalation { get; set; }

    // ── 网关节点属性 ──

    [JsonPropertyName("conditions")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public List<GatewayCondition>? Conditions { get; set; }
}

/// <summary>
/// 排他网关条件分支
/// </summary>
public class GatewayCondition
{
    [JsonPropertyName("targetNodeId")]
    public string TargetNodeId { get; set; } = "";

    [JsonPropertyName("expression")]
    public string Expression { get; set; } = "";

    [JsonPropertyName("label")]
    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
    public string? Label { get; set; }

    [JsonPropertyName("isDefault")]
    public bool IsDefault { get; set; }
}

public class FlowTextItem
{
    [JsonPropertyName("x")]
    public float X { get; set; }

    [JsonPropertyName("y")]
    public float Y { get; set; }

    [JsonPropertyName("value")]
    public string Value { get; set; }
}

public class FlowEdgePointItem
{
    [JsonPropertyName("x")]
    public float X { get; set; }

    [JsonPropertyName("y")]
    public float Y { get; set; }
}