// Feature: cnc-run-execution, Property 11: 节点执行状态转换正确性
// Validates: Requirements 6.1, 6.2

using System;
using FsCheck;
using FsCheck.Fluent;
using FsCheck.Xunit;
using XplorePlane.Models;
using XplorePlane.ViewModels.Cnc;

namespace XplorePlane.Tests.ViewModels
{
    public class CncNodeViewModelTests
    {
        // ── Property 11: 节点执行状态转换正确性 ──────────────────────────────

        // Feature: cnc-run-execution, Property 11: 节点执行状态转换正确性
        // Validates: Requirements 6.1, 6.2
        [Property(MaxTest = 100)]
        public Property ExecutionState_TransitionsProduceCorrectBoolProperties()
        {
            var gen =
                from xm in ArbMap.Default.GeneratorFor<double>()
                from ym in ArbMap.Default.GeneratorFor<double>()
                select new ReferencePointNode(
                    Guid.NewGuid(), 0, "TestNode",
                    xm, ym, 0, 0, 0, 0, false, 0, 0);

            return Prop.ForAll(
                gen.ToArbitrary(),
                node =>
                {
                    var vm = new CncNodeViewModel(node, (vm2, n) => { });

                    // Running
                    vm.ExecutionState = NodeExecutionState.Running;
                    bool runningOk = vm.IsRunningNode == true
                                  && vm.IsSucceededNode == false
                                  && vm.IsFailedNode == false;

                    // Succeeded
                    vm.ExecutionState = NodeExecutionState.Succeeded;
                    bool succeededOk = vm.IsRunningNode == false
                                    && vm.IsSucceededNode == true
                                    && vm.IsFailedNode == false;

                    // Failed
                    vm.ExecutionState = NodeExecutionState.Failed;
                    bool failedOk = vm.IsRunningNode == false
                                 && vm.IsSucceededNode == false
                                 && vm.IsFailedNode == true;

                    // Idle
                    vm.ExecutionState = NodeExecutionState.Idle;
                    bool idleOk = vm.IsRunningNode == false
                               && vm.IsSucceededNode == false
                               && vm.IsFailedNode == false;

                    return runningOk && succeededOk && failedOk && idleOk;
                });
        }
    }
}