using TrainingPlanner.Application;
using TrainingPlanner.Domain;

namespace TrainingPlanner.Tests;

public class PlanEditingTests
{
    private readonly PlannerOptions options = new()
    {
        DefaultWeekCount = 4, DefaultSetsCount = 3, DefaultRestMinutes = 1.5m, DefaultRepetitions = "10"
    };

    [Fact]
    public void MonthlyCopyPreservesPrescriptionAndCanBeEditedIndependently()
    {
        var plan = CreatePlan();
        var workout = plan.Weeks[0].Workouts[0];
        workout.Duration = "1 ч 15 мин";
        var exercise = workout.Blocks[0].Exercises[0];
        exercise.Id = 17;
        exercise.Weight = "Подобрать";
        exercise.Repetitions = "По 10 (1 RIR)";
        exercise.WarmupSets = "1 — гриф; 2 — 40 кг";
        exercise.Notes = "Без рывков";
        exercise.IntensityPercent = 80;
        exercise.RequiresVideo = true;
        exercise.VideoUrl = "https://disk.yandex.ru/i/example";
        var copy = new PlanCopier().Copy(plan, "Октябрь");
        var copiedWorkout = copy.Weeks[0].Workouts[0];
        var copied = copiedWorkout.Blocks[0].Exercises[0];
        Assert.Equal(0, copied.Id);
        Assert.Equal(workout.Duration, copiedWorkout.Duration);
        Assert.Equal(exercise.WarmupSets, copied.WarmupSets);
        Assert.Equal(exercise.Notes, copied.Notes);
        Assert.Equal(exercise.Weight, copied.Weight);
        Assert.Equal(exercise.Repetitions, copied.Repetitions);
        Assert.Equal(exercise.IntensityPercent, copied.IntensityPercent);
        Assert.Equal(exercise.VideoUrl, copied.VideoUrl);
        Assert.True(copied.RequiresVideo);
        copied.Weight = "60";
        copiedWorkout.Blocks[0].SetsCount = 4;
        Assert.Equal("Подобрать", exercise.Weight);
        Assert.Equal(3, workout.Blocks[0].SetsCount);
    }

    [Fact]
    public void RestIncludesLastApproachAndDoesNotMultiplyByRepetitions()
    {
        var workout = CreatePlan().Weeks[0].Workouts[0];
        workout.Blocks[0].RestMinutes = 2;
        workout.Blocks[0].Exercises[0].Repetitions = "По 10 (1 RIR)";
        Assert.Equal(6m, WorkoutTotals.RestMinutes(workout));
        workout.Blocks.Add(new WorkoutBlock { SetsCount = 2, RestMinutes = 1.5m });
        Assert.Equal(9m, WorkoutTotals.RestMinutes(workout));
        Assert.Equal(0m, WorkoutTotals.RestMinutes(new Workout()));
    }

    [Fact]
    public void ValidationAllowsTextWeightAndRejectsSupersets()
    {
        var plan = CreatePlan();
        var block = plan.Weeks[0].Workouts[0].Blocks[0];
        block.Exercises[0].Weight = "Подобрать / собственный вес";
        new PlanValidator().Validate(plan);
        block.Exercises.Add(new WorkoutExercise { Name = "Второе", Repetitions = "10" });
        Assert.Throws<InvalidOperationException>(() => new PlanValidator().Validate(plan));
    }

    [Theory]
    [InlineData(0, 1.5, 80)]
    [InlineData(3, -1, 80)]
    [InlineData(3, 2, 101)]
    [InlineData(3, 2, -1)]
    public void ValidationRejectsInvalidPrescription(int sets, double rest, int intensity)
    {
        var plan = CreatePlan();
        var block = plan.Weeks[0].Workouts[0].Blocks[0];
        block.SetsCount = sets;
        block.RestMinutes = (decimal)rest;
        block.Exercises[0].IntensityPercent = intensity;
        Assert.Throws<InvalidOperationException>(() => new PlanValidator().Validate(plan));
    }

    [Fact]
    public void MovePreservesPrescriptionAndValidationRenumbersBlocks()
    {
        var plan = CreatePlan();
        var workout = plan.Weeks[0].Workouts[0];
        var original = workout.Blocks[0];
        original.Exercises[0].WarmupSets = "Гриф";
        workout.Blocks.Add(new PlanFactory(options).CreateBlock(new LibraryExercise { Name = "Тяга" }));
        new BlockEditor().Move(workout, 0, 1);
        new PlanValidator().Validate(plan);
        Assert.Same(original, workout.Blocks[1]);
        Assert.Equal(1, original.Position);
        Assert.Equal("Гриф", original.Exercises[0].WarmupSets);
        Assert.Throws<InvalidOperationException>(() => PlanValidator.ValidateVideoUrl("javascript:alert(1)"));
    }

    private TrainingPlan CreatePlan()
    {
        var factory = new PlanFactory(options);
        var plan = factory.Create(1, "Сентябрь");
        plan.Weeks[0].Workouts.Add(new Workout
        {
            Name = "Ноги", Blocks = [factory.CreateBlock(new LibraryExercise { Name = "Приседания" })]
        });
        return plan;
    }
}