{% extends 'plantilla.html' %}
{% load static %}

{% block head %}
{{ block.super }}
<style>
  /* ====== TUS COLORES ====== */
  body{
    background: var(--bg) !important;
  }
  :root{
    --sidebar: #222D32;
    --bg: #ECF0F5;
    --card: #ffffff;
    --border: #e5e7eb;
    --text: #111827;
    --muted: #6b7280;
    --accent: #3c8dbc; /* tono tipo AdminLTE (combina con #222D32) */
    --accent2: #2e6f91;
    --danger: #e74c3c;
    --success: #27ae60;
    --warning: #f39c12;
  }

  body.dark-mode{
    --sidebar: #0F0B0B;
    --bg: #0F0B0B;
    --card: #0F0B0B;
    --border: #D1D02E;
    --text: #FFFFFF;
    --muted: #d5d5d5;
    --accent: #D1D02E;
    --accent2: #E7E658;
    --danger: #ff6b6b;
    --success: #D1D02E;
    --warning: #D1D02E;
  }

  /* ====== TARJETA PRINCIPAL ====== */
  .page-title{
    color: var(--text);
    font-weight: 800;
  }
  .page-subtitle{
    color: var(--muted);
  }

  .user-card{
    border: 0;
    border-radius: 16px;
    background: var(--card);
    box-shadow: 0 10px 26px rgba(0,0,0,.08);
    overflow: hidden;
  }

  .user-card .card-header{
    background: linear-gradient(135deg, var(--sidebar) 0%, #1b2428 100%);
    color: #fff;
    border: 0;
    padding: 18px 22px;
  }

  .user-card .card-body{
    padding: 22px;
  }

  .soft-hr{
    border-top: 2px solid var(--border);
    opacity: 1;
  }

  /* ====== INPUTS BONITOS ====== */
  .form-label{
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
  }

  .form-control, .form-select{
    border-radius: 12px;
    border: 2px solid var(--border);
    padding: 12px 14px;
    transition: all .2s ease;
    background: var(--card);
    color: var(--text);
  }

  .form-control::placeholder{
    color: var(--muted);
    opacity: 1;
  }

  .form-control:focus, .form-select:focus{
    border-color: rgba(60,141,188,.55);
    box-shadow: 0 0 0 .25rem rgba(60,141,188,.15);
  }

  .input-group-text{
    border-radius: 12px 0 0 12px;
    border: 2px solid var(--border);
    background: var(--card);
    color: var(--sidebar);
    font-weight: 700;
  }
  .input-group .form-control,
  .input-group .form-select{
    border-left: 0;
    border-radius: 0 12px 12px 0;
  }

  .help-text{
    color: var(--muted) !important;
    font-size: .85rem;
  }

  /* ====== VALIDACIÓN ====== */
  .invalid-feedback{
    display: block;
    margin-top: 6px;
    font-size: .875rem;
  }
  .is-invalid{
    border-color: var(--danger) !important;
  }

  /* ====== BOTONES ====== */
  .btn{
    border-radius: 12px;
    font-weight: 800;
    border-width: 2px;
  }

  .btn-primary{
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
    border: none;
  }
  .btn-primary:hover{
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(60,141,188,.18);
  }

  .btn-success{
    background: linear-gradient(135deg, var(--success) 0%, #2ecc71 100%);
    border: none;
  }
  .btn-success:hover{
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(39,174,96,.18);
  }

  .btn-outline-danger{
    border-color: var(--danger);
    color: var(--danger);
  }
  .btn-outline-danger:hover{
    background: linear-gradient(135deg, var(--danger) 0%, #c0392b 100%);
    border-color: transparent;
    color: #fff;
  }

  .btn-outline-info{
    border-color: var(--accent);
    color: var(--accent);
  }
  .btn-outline-info:hover{
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
    border-color: transparent;
    color: #fff;
  }

  /* ====== MODAL CLARO Y LEGIBLE ====== */
  .modal-content{
    border-radius: 16px;
    border: 0;
    box-shadow: 0 18px 50px rgba(0,0,0,.18);
    background: var(--card);
  }
  .modal-header{
    background: linear-gradient(135deg, var(--sidebar) 0%, #1b2428 100%);
    color: #fff;
    border: 0;
    padding: 16px 20px;
  }
  .modal-body{
    padding: 20px;
  }
  .modal-footer{
    border-top: 1px solid var(--border);
    padding: 16px 20px;
    background: var(--card);
    border-radius: 0 0 16px 16px;
  }

  body.dark-mode .input-group-text i{
    color: #FFFFFF;
  }

  body.dark-mode .btn-outline-info{
    color: #D1D02E;
    border-color: #D1D02E;
  }

  body.dark-mode .btn-outline-info:hover{
    color: #0F0B0B;
    background: #D1D02E;
  }
</style>
{% endblock %}

{% block body %}

<main class="container py-4">

  <div class="d-flex flex-column flex-md-row justify-content-between align-items-start align-items-md-center mb-3">
    <div>
      <h2 class="page-title mb-1">Nuevo Registro de Usuario</h2>
      <div class="page-subtitle">Completa los datos para crear el usuario</div>
    </div>

    <button type="button" class="btn btn-outline-info mt-3 mt-md-0"
            data-bs-toggle="modal"
            data-bs-target="#modalMesa">
      <i class="fa fa-plus me-2"></i>Agregar nueva mesa
    </button>
  </div>

  <div class="card user-card">
    <div class="card-header d-flex align-items-center justify-content-between flex-wrap gap-2">
      <div class="fw-bold">
        <i class="fa fa-user-plus me-2"></i>Formulario de registro
      </div>
      <span class="badge bg-warning text-dark px-3 py-2" style="border-radius: 999px;">
        <i class="fa fa-info-circle me-1"></i>Campos obligatorios
      </span>
    </div>

    <div class="card-body">
      <hr class="soft-hr mb-4">

      <form action="{% url 'guardar_usuario' %}" method="post" id="form_usuario" autocomplete="off" novalidate>
        {% csrf_token %}

        <div class="row g-3">
          <div class="col-md-6">
            <label for="nombres" class="form-label">Nombres</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-user"></i></span>
              <input class="form-control" type="text" name="nombres" id="nombres" placeholder="Ej: Alma Marcela">
            </div>
          </div>

          <div class="col-md-6">
            <label for="apellidos" class="form-label">Apellidos</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-user"></i></span>
              <input class="form-control" type="text" name="apellidos" id="apellidos" placeholder="Ej: Paredes Jimenez">
            </div>
          </div>

          <div class="col-md-6">
            <label for="mesa" class="form-label">Mesa</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-chair"></i></span>
              <select class="form-select" name="mesa" id="mesa">
                <option value="">-- Seleccionar mesa --</option>
                {% for m in mesas %}
                  <option value="{{ m.nombre }}">{{ m.nombre }}</option>
                {% endfor %}
              </select>
            </div>
            <small id="mesaAutoHint" class="help-text d-block mt-2 d-none">
              Para este cargo se asigna automaticamente la mesa 0 (ADMIN/EMPADOR/CONTROL).
            </small>
          </div>

          <div class="col-md-6">
            <label for="cargo" class="form-label">Cargo</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-briefcase"></i></span>
              <select class="form-select" name="cargo" id="cargo">
                <option value="">-- Seleccionar cargo --</option>
                <option value="ADMIN">ADMIN</option>
                <option value="EMBONCHADOR/A">EMBONCHADOR/A</option>
                <option value="CLASIFICADOR/A">CLASIFICADOR/A</option>
                <option value="EMPADOR">EMPADOR</option>
                <option value="CONTROL">CONTROL</option>
              </select>
            </div>
          </div>

          <div class="col-md-12">
            <label for="username" class="form-label">Usuario</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-id-badge"></i></span>
              <input class="form-control" type="text" name="username" id="username" placeholder="Ej: Usuario23">
            </div>
            <small class="help-text d-block mt-2">
              Usa letras/números y <b>.</b> <b>_</b> <b>-</b> (sin espacios)
            </small>
          </div>

          <div class="col-md-6">
            <label for="password" class="form-label">Contraseña</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-key"></i></span>
              <input class="form-control" type="password" name="password" id="password" placeholder="••••••••">
            </div>
          </div>

          <div class="col-md-6">
            <label for="password2" class="form-label">Confirmar contraseña</label>
            <div class="input-group">
              <span class="input-group-text"><i class="fa fa-key"></i></span>
              <input class="form-control" type="password" name="password2" id="password2" placeholder="••••••••">
            </div>
          </div>
        </div>

        <div class="d-flex flex-column flex-md-row justify-content-between gap-2 mt-4">
          <button class="btn btn-success px-4 py-2" type="submit">
            <i class="fa fa-save me-2"></i>Guardar
          </button>
          <a class="btn btn-outline-danger px-4 py-2" href="{% url 'usuariore' %}">
            <i class="fa fa-times me-2"></i>Cancelar
          </a>
        </div>
      </form>

    </div>
  </div>
</main>

<!-- MODAL -->
<div class="modal fade" id="modalMesa" tabindex="-1" aria-hidden="true">
  <div class="modal-dialog modal-dialog-centered">
    <div class="modal-content">

      <div class="modal-header">
        <h5 class="modal-title"><i class="fa fa-plus me-2"></i>Agregar nueva mesa</h5>
        <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal"></button>
      </div>

      <div class="modal-body">
        <form action="{% url 'guardar_mesa' %}" method="post" id="form_mesa" novalidate>
          {% csrf_token %}

          <label class="form-label" for="nombre_mesa">Nombre de mesa (solo número)</label>
          <input
            type="number"
            class="form-control"
            name="nombre"
            id="nombre_mesa"
            placeholder="Ej: 1"
            min="1"
            step="1"
            inputmode="numeric"
          >
          
          <small class="help-text d-block mt-2">
            Ejemplo: 1, 2, 3, 10...
          </small>

          <div class="modal-footer px-0 pb-0 mt-3">
            <button type="button" class="btn btn-outline-danger" data-bs-dismiss="modal">
              Cancelar
            </button>
            <button type="submit" class="btn btn-primary ms-2">
              <i class="fa fa-save me-2"></i>Guardar
            </button>
          </div>
        </form>
      </div>

    </div>
  </div>
</div>

{% endblock %}

{% block extra_scripts %}
{{ block.super }}

<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/jquery-validation@1.19.5/dist/jquery.validate.min.js"></script>

<script>
$(function () {

  // ====== MÉTODOS ======
  $.validator.addMethod("lettersOnly", function(value, element) {
    return this.optional(element) || /^[A-Za-zÁÉÍÓÚáéíóúÑñ\s]+$/.test(value);
  }, "Solo letras, por favor.");

  $.validator.addMethod("usernameValid", function(value, element) {
    return this.optional(element) || /^[a-zA-Z0-9._-]+$/.test(value);
  }, "Usa solo letras, números y . _ - (sin espacios).");

  $.validator.addMethod("numbersOnly", function(value, element) {
    return this.optional(element) || /^\d+$/.test(value);
  }, "Solo se permiten números.");

  const CARGOS_PERMITIDOS = ["ADMIN", "EMBONCHADOR/A", "CLASIFICADOR/A", "EMPADOR", "CONTROL"];
  const CARGOS_MESA_CERO = new Set(["ADMIN", "EMPADOR", "EMPACADOR", "CONTROL"]);

  function asegurarMesaCeroOption() {
    const $mesa = $("#mesa");
    if ($mesa.find("option[value='0']").length === 0) {
      $mesa.prepend(new Option("0", "0", false, false));
    }
  }

  function aplicarReglaCargoMesa() {
    const cargo = ($("#cargo").val() || "").trim().toUpperCase();
    const $mesa = $("#mesa");
    const $hint = $("#mesaAutoHint");

    if (CARGOS_MESA_CERO.has(cargo)) {
      asegurarMesaCeroOption();
      $mesa.val("0").prop("disabled", true);
      $hint.removeClass("d-none");
    } else {
      $mesa.prop("disabled", false);
      $hint.addClass("d-none");
      if ($mesa.val() === "0") $mesa.val("");
    }
  }

  $.validator.addMethod("cargoPermitido", function(value, element) {
    return this.optional(element) || CARGOS_PERMITIDOS.includes(String(value || "").trim().toUpperCase());
  }, "Seleccione un cargo valido.");

  $.validator.addMethod("mesaSegunCargo", function(value, element) {
    const cargo = ($("#cargo").val() || "").trim().toUpperCase();
    const mesa = String(value || "").trim();
    if (CARGOS_MESA_CERO.has(cargo)) return mesa === "0";
    return /^\d+$/.test(mesa) && parseInt(mesa, 10) > 0;
  }, "Mesa invalida para el cargo seleccionado.");

  // Bloqueo en tiempo real modal
  $('#nombre_mesa').on('input', function () {
    this.value = this.value.replace(/[^0-9]/g, '');
  });

  // Helper: colocar error debajo del input-group
  function placeBootstrapError(error, element){
    error.addClass('invalid-feedback');
    if (element.closest('.input-group').length) {
      error.insertAfter(element.closest('.input-group'));
    } else {
      error.insertAfter(element);
    }
  }

  // ====== VALIDACIÓN USUARIO ======
  $('#form_usuario').validate({
    ignore: [],
    rules: {
      nombres: { required: true, lettersOnly: true, minlength: 3, maxlength: 100 },
      apellidos: { required: true, lettersOnly: true, minlength: 3, maxlength: 100 },
      mesa: { required: true, mesaSegunCargo: true },
      cargo: { required: true, cargoPermitido: true },
      username: { required: true, minlength: 3, maxlength: 150, usernameValid: true },
      password: { required: true, minlength: 6, maxlength: 128 },
      password2: { required: true, equalTo: "#password" }
    },
    messages: {
      nombres: {
        required: "Por favor ingrese los nombres.",
        minlength: "Debe tener al menos 3 caracteres.",
        maxlength: "No puede superar 100 caracteres.",
        lettersOnly: "Solo se permiten letras."
      },
      apellidos: {
        required: "Por favor ingrese los apellidos.",
        minlength: "Debe tener al menos 3 caracteres.",
        maxlength: "No puede superar 100 caracteres.",
        lettersOnly: "Solo se permiten letras."
      },
      mesa: {
        required: "Por favor seleccione la mesa.",
        mesaSegunCargo: "La mesa debe ser mayor a 0, excepto ADMIN/EMPADOR/CONTROL (mesa 0)."
      },
      cargo: {
        required: "Por favor ingrese el cargo.",
        cargoPermitido: "Seleccione un cargo valido."
      },
      username: {
        required: "Por favor ingrese un usuario.",
        minlength: "Debe tener al menos 3 caracteres.",
        maxlength: "No puede superar 150 caracteres.",
        usernameValid: "Usa solo letras, números y . _ - (sin espacios)."
      },
      password: {
        required: "Por favor ingrese una contraseña.",
        minlength: "La contraseña debe tener al menos 6 caracteres.",
        maxlength: "No puede superar 128 caracteres."
      },
      password2: {
        required: "Confirme la contraseña.",
        equalTo: "Las contraseñas no coinciden."
      }
    },
    errorElement: 'div',
    errorPlacement: placeBootstrapError,
    highlight: function (element) { $(element).addClass('is-invalid'); },
    unhighlight: function (element) { $(element).removeClass('is-invalid'); },
    submitHandler: function(form) { form.submit(); }
  });

  // ====== VALIDACIÓN MODAL MESA ======
  $("#cargo").on("change", function () {
    aplicarReglaCargoMesa();
    $("#cargo").valid();
    $("#mesa").valid();
  });

  aplicarReglaCargoMesa();

  $('#form_mesa').validate({
    ignore: [],
    rules: {
      nombre: { required: true, numbersOnly: true, min: 1, maxlength: 10 }
    },
    messages: {
      nombre: {
        required: "Ingrese el número de la mesa.",
        numbersOnly: "Solo se permiten números.",
        min: "La mesa debe ser mayor o igual a 1.",
        maxlength: "Máximo 10 dígitos."
      }
    },
    errorElement: 'div',
    errorPlacement: placeBootstrapError,
    highlight: function (element) { $(element).addClass('is-invalid'); },
    unhighlight: function (element) { $(element).removeClass('is-invalid'); },
    submitHandler: function(form) {
      const $form = $(form);
      const $submitBtn = $form.find("button[type='submit']");
      const formData = new FormData(form);
      const mesaInput = (formData.get("nombre") || "").toString().trim();
      const csrfToken = formData.get("csrfmiddlewaretoken");

      $submitBtn.prop("disabled", true);

      fetch(form.action, {
        method: "POST",
        credentials: "same-origin",
        headers: {
          "X-Requested-With": "XMLHttpRequest",
          "X-CSRFToken": csrfToken
        },
        body: formData
      })
      .then(async (resp) => {
        const data = await resp.json().catch(() => ({}));
        if (!resp.ok || !data.success) {
          throw { status: resp.status, data };
        }
        return data;
      })
      .then((data) => {
        const mesaNombre = data?.mesa?.nombre || mesaInput;
        const $selectMesa = $("#mesa");
        const yaExiste = $selectMesa.find(`option[value='${mesaNombre}']`).length > 0;
        const cargoActual = ($("#cargo").val() || "").trim().toUpperCase();

        if (!yaExiste) {
          $selectMesa.append(new Option(mesaNombre, mesaNombre, false, false));
        }

        if (!CARGOS_MESA_CERO.has(cargoActual)) {
          $selectMesa.val(mesaNombre);
        }

        const modalEl = document.getElementById("modalMesa");
        bootstrap.Modal.getOrCreateInstance(modalEl).hide();

        aplicarReglaCargoMesa();
        $("#nombre_mesa").val("").removeClass("is-invalid");
        $("#form_mesa").validate().resetForm();

        alertaExito(data.message || "Mesa agregada correctamente.");
      })
      .catch((err) => {
        const msg =
          err?.data?.message ||
          err?.data?.detail ||
          (err?.status === 409
            ? "Esa mesa ya existe."
            : "No se pudo guardar la mesa.");
        alertaInfo(msg);
      })
      .finally(() => {
        $submitBtn.prop("disabled", false);
      });

      return false;
    }
  });

  // Limpiar modal al cerrar
  $('#modalMesa').on('hidden.bs.modal', function () {
    $('#nombre_mesa').val('').removeClass('is-invalid');
    $('#form_mesa').validate().resetForm();
  });

});
</script>
{% endblock %}