namespace WhatApi.Endpoints;

public class CreateUserEndpoint(AppDatabase db, IConfiguration configuration) : BaseEndpoint
{
    public class CreateUserRequest
    {
        public required string Email { get; set; }
        public required string Password { get; set; }
        public required string Name { get; set; }
    }

    [AllowAnonymous]
    [HttpPost("~/create-user")]
    public async Task<ActionResult> HandleAsync(CreateUserRequest req, CancellationToken ct = default) {
        var userList = await db.Users.Select(c => new {
            c.Name
        }).ToListAsync(ct);
        if (userList.Count == 0 && !configuration.IsDevelopment) return Unauthorized();
        if (userList.Any(c => c.Name.Equals(req.Name, StringComparison.InvariantCultureIgnoreCase))) return BadRequest("Username taken");
        var user = new User {
            Name = req.Name,
            Email = req.Email,
            PasswordHash = PasswordHasher.HashPassword(req.Password)
        };
        user.SetCreated(Constants.SystemUid);
        db.Users.Add(user);
        await db.SaveChangesAsync(ct);
        return Ok();
    }
}