var builder = WebApplication.CreateBuilder(args);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

var app = builder.Build();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.UseHttpsRedirection();

app.MapGet("/Skills/", () =>
{
    return Results.Ok(Storage.Skills.ToArray());
})
    .WithName("List")
    .WithOpenApi();

app.MapGet("/Skills/{skillId}", (Guid skillId) =>
{
    var skill = Storage.Skills.FirstOrDefault(s => s.Id == skillId);

    if (skill == null)
    {
        return Results.NotFound($"Не найдена профессия с идентификатором {skillId}");
    }

    return Results.Json(new Skill()
    {
        Id = skill.Id,
        Name = skill.Name,
        Level = skill.Level,
        ProfessionId = skill.ProfessionId
    });
})
    .WithName("Get")
    .WithOpenApi();

app.MapPost("/Skills/", (SkillRequest request) =>
{
    if (Storage.Professions.FirstOrDefault(p => p.Id == request.ProfessionId) is null)
    {
        return Results.NotFound($"Не найдена профессия с идентификатором {request.ProfessionId}");
    }

    var skillId = Guid.NewGuid();

    Storage.Skills.Add(new Skill()
    {
        Id = skillId,
        Name = request.Name,
        Level = request.Level,
        ProfessionId = request.ProfessionId
    });

    return Results.Ok(skillId);
})
    .WithName("Create")
    .WithOpenApi();

app.MapPatch("/Skills/{skillId}", (Guid skillId, SkillRequest request) =>
{
    var skill = Storage.Skills.FirstOrDefault(s => s.Id == skillId);
    if (skill == null)
    {
        Results.NotFound($"Не найдено умение с идентификатором {skillId}");
    }

    if (!string.IsNullOrEmpty(request.Name))
    {
        skill.Name = request.Name;
    }

    if (!string.IsNullOrEmpty(request.Name))
    {
        skill.Level = request.Level;
    }

    if (!string.IsNullOrEmpty(request.Name))
    {
        skill.ProfessionId = request.ProfessionId;
    }

    return Results.Ok(skill);
})
    .WithName("Update")
    .WithOpenApi();

app.MapDelete("/Skills/{skillId}", (Guid skillId) =>
{
    var skill = Storage.Skills.FirstOrDefault(s => s.Id == skillId);
    if (skill == null)
    {
        Results.NotFound($"Не найдено умение с идентификатором {skillId}");
    }

    Storage.Skills.Remove(skill);
    return Results.Ok(skillId);
})
    .WithName("Delete")
    .WithOpenApi();

app.Run();


public class Profession
{
    public Guid Id { get; set; }

    public string Name { get; set; }
}

public class Skill
{
    public Guid Id { get; set; }

    public string Name { get; set; }

    public Levels Level { get; set; }

    public Guid ProfessionId { get; set; }
}

public class SkillRequest
{
    public string Name { get; set; }

    public Levels Level { get; set; }

    public Guid ProfessionId { get; set; }
}

public enum Levels
{
    None = 0,
    Basic = 1,
    Middle = 2,
    Expert = 3
}

public class Storage
{
    public static Profession[] Professions { get; set; }

    public static List<Skill> Skills { get; set; }

    static Storage()
    {
        var client = new HttpClient();
        string Url = "http://worker-2:80/Professions/";
        Professions = client.GetFromJsonAsync<Profession[]>(Url).Result;

        Skills = new List<Skill>()
        {
            new Skill() { Id = Guid.NewGuid(), Name = "Knowledge of programming", Level = Levels.Expert, ProfessionId = Professions.FirstOrDefault(p => p.Name == "Software Developer").Id },
            new Skill() { Id = Guid.NewGuid(), Name = "Stress resistance", Level = Levels.Expert, ProfessionId = Professions.FirstOrDefault(p => p.Name == "Software Developer").Id },
            new Skill() { Id = Guid.NewGuid(), Name = "The ability to cook", Level = Levels.Middle, ProfessionId = Professions.FirstOrDefault(p => p.Name == "Cook").Id },
            new Skill() { Id = Guid.NewGuid(), Name = "Knowledge of plumbing", Level = Levels.Middle, ProfessionId = Professions.FirstOrDefault(p => p.Name == "Plumber").Id }
        };
    }
}