using Data.SeaHavenIndustries.Enums;
using SeaHaven.Services.Helpers;

namespace SeaHavenIndustries.Tests;

public class WorkOrderBoardMutationRulesTests
{
    [Theory]
    [InlineData(LifecycleStatus.Canceled, true)]
    [InlineData(LifecycleStatus.Completed, true)]
    [InlineData(LifecycleStatus.Scheduled, false)]
    [InlineData(LifecycleStatus.Incomplete, false)]
    public void IsReadOnly_ReflectsTerminalStatuses(LifecycleStatus status, bool expected)
    {
        Assert.Equal(expected, WorkOrderBoardMutationRules.IsReadOnly(status));
    }

    [Fact]
    public void ShouldBlockStatusChangeWhenPastDue_BlocksOnlyLifecycleStatus()
    {
        Assert.True(WorkOrderBoardMutationRules.ShouldBlockStatusChangeWhenPastDue(
            WorkOrderBoardFieldNames.LifecycleStatus, isPastDue: true));
        Assert.False(WorkOrderBoardMutationRules.ShouldBlockStatusChangeWhenPastDue(
            WorkOrderBoardFieldNames.ScheduledDate, isPastDue: true));
        Assert.False(WorkOrderBoardMutationRules.ShouldBlockStatusChangeWhenPastDue(
            WorkOrderBoardFieldNames.DueDate, isPastDue: true));
    }

    [Fact]
    public void ShouldAutoSchedule_WhenIncompleteWithDate_DoesNotRequireAssignee()
    {
        Assert.True(WorkOrderBoardMutationRules.ShouldAutoSchedule(
            LifecycleStatus.Incomplete,
            new DateTime(2026, 6, 25),
            assignTo: null));
    }

    [Fact]
    public void ShouldAutoSchedule_WhenPendingWithConcreteDate()
    {
        Assert.True(WorkOrderBoardMutationRules.ShouldAutoSchedule(
            LifecycleStatus.Pending,
            new DateTime(2026, 6, 25),
            assignTo: null));
    }

    [Fact]
    public void ShouldAutoSchedule_FalseWhenAlreadyScheduled()
    {
        Assert.False(WorkOrderBoardMutationRules.ShouldAutoSchedule(
            LifecycleStatus.Scheduled,
            new DateTime(2026, 6, 25),
            assignTo: null));
    }

    [Fact]
    public void ShouldAutoSchedule_FalseWhenScheduleWeekOnly()
    {
        Assert.False(WorkOrderBoardMutationRules.ShouldAutoSchedule(
            LifecycleStatus.Incomplete,
            new DateTime(2026, 6, 25),
            assignTo: null,
            scheduleWeekOnly: true));
    }

    [Fact]
    public void ShouldAutoSchedule_FalseWhenInProgress()
    {
        Assert.False(WorkOrderBoardMutationRules.ShouldAutoSchedule(
            LifecycleStatus.InProgress,
            new DateTime(2026, 6, 25),
            assignTo: null));
    }

    [Fact]
    public void ShouldDemoteFromScheduled_WhenDateCleared()
    {
        Assert.True(WorkOrderBoardMutationRules.ShouldDemoteFromScheduled(
            LifecycleStatus.Scheduled,
            scheduledDate: null));
    }

    [Fact]
    public void ShouldDemoteFromScheduled_WhenWeekOnly()
    {
        Assert.True(WorkOrderBoardMutationRules.ShouldDemoteFromScheduled(
            LifecycleStatus.Scheduled,
            new DateTime(2026, 6, 25),
            scheduleWeekOnly: true));
    }

    [Fact]
    public void ShouldDemoteFromScheduled_FalseWhenConcreteDateRemains()
    {
        Assert.False(WorkOrderBoardMutationRules.ShouldDemoteFromScheduled(
            LifecycleStatus.Scheduled,
            new DateTime(2026, 6, 25)));
    }

    [Fact]
    public void ShouldDemoteFromScheduled_FalseWhenInProgress()
    {
        Assert.False(WorkOrderBoardMutationRules.ShouldDemoteFromScheduled(
            LifecycleStatus.InProgress,
            scheduledDate: null));
    }

    [Fact]
    public void CanPatchBoardField_AllowsOnlyFlagColorWhenCompleted()
    {
        Assert.True(WorkOrderBoardMutationRules.CanPatchBoardField(
            LifecycleStatus.Completed, WorkOrderBoardFieldNames.FlagColor));
        Assert.False(WorkOrderBoardMutationRules.CanPatchBoardField(
            LifecycleStatus.Completed, WorkOrderBoardFieldNames.LifecycleStatus));
        Assert.False(WorkOrderBoardMutationRules.CanPatchBoardField(
            LifecycleStatus.Completed, WorkOrderBoardFieldNames.SiteCode));
        Assert.False(WorkOrderBoardMutationRules.CanPatchBoardField(
            LifecycleStatus.Canceled, WorkOrderBoardFieldNames.FlagColor));
        Assert.True(WorkOrderBoardMutationRules.CanPatchBoardField(
            LifecycleStatus.Scheduled, WorkOrderBoardFieldNames.AssignTo));
    }

    [Fact]
    public void CanMutateComments_FalseOnlyWhenCanceled()
    {
        Assert.True(WorkOrderBoardMutationRules.CanMutateComments(LifecycleStatus.Completed));
        Assert.True(WorkOrderBoardMutationRules.CanMutateComments(LifecycleStatus.Scheduled));
        Assert.False(WorkOrderBoardMutationRules.CanMutateComments(LifecycleStatus.Canceled));
    }

    [Fact]
    public void CanMutateExtraMedia_AllowsExtraOnCompleted()
    {
        Assert.True(WorkOrderBoardMutationRules.CanMutateExtraMedia(
            LifecycleStatus.Completed, WorkOrderMediaCategory.Extra));
        Assert.True(WorkOrderBoardMutationRules.CanMutateExtraMedia(LifecycleStatus.Completed, null));
        Assert.False(WorkOrderBoardMutationRules.CanMutateExtraMedia(
            LifecycleStatus.Completed, WorkOrderMediaCategory.Before));
        Assert.False(WorkOrderBoardMutationRules.CanMutateExtraMedia(
            LifecycleStatus.Completed, WorkOrderMediaCategory.After));
        Assert.True(WorkOrderBoardMutationRules.CanMutateExtraMedia(
            LifecycleStatus.Completed, WorkOrderMediaCategory.Aveta));
        Assert.False(WorkOrderBoardMutationRules.CanMutateExtraMedia(
            LifecycleStatus.Canceled, WorkOrderMediaCategory.Extra));
        Assert.False(WorkOrderBoardMutationRules.CanMutateExtraMedia(
            LifecycleStatus.Canceled, WorkOrderMediaCategory.Aveta));
    }

    [Fact]
    public void IsReschedule_WhenPreviousDateExistsAndChanges()
    {
        Assert.True(WorkOrderBoardMutationRules.IsReschedule(
            new DateTime(2026, 6, 20),
            new DateTime(2026, 6, 25)));
        Assert.False(WorkOrderBoardMutationRules.IsReschedule(
            null,
            new DateTime(2026, 6, 25)));
    }
}