<template>
  <a-layout class="portal-layout">
    <!-- Header -->
    <a-layout-header class="header">
      <div class="header-container">
        <div class="header-left">
          <a-button type="text" class="menu-toggle" @click="toggleSidebar">
            <MenuOutlined />
          </a-button>

          <router-link to="/portal-postulante" class="logo-wrapper">
            <img src="/logotiny.png" alt="Logo UNA" class="logo-img" />
            <div class="logo-content">
              <div class="portal-title">Portal del Postulante</div>
              <div class="portal-subtitle">Universidad Nacional del Altiplano – Puno</div>
            </div>
          </router-link>
        </div>

        <div class="header-right">

          <a-dropdown :trigger="['click']" placement="bottomRight">
            <div class="profile-trigger">
              <a-avatar
                :size="isMobile ? 32 : 36"
                class="profile-avatar"
                :style="{ background: getAvatarColor(authStore.userName) }"
              >
                {{ getUserInitials(authStore.userName) }}
              </a-avatar>

              <div v-if="!isMobile" class="profile-text">
                <div class="profile-name-top">{{ authStore.userName || 'Postulante' }}</div>
                <div class="profile-meta-top">DNI: {{ authStore.userDni || '—' }}</div>
              </div>

              <DownOutlined v-if="!isMobile" class="dropdown-chevron" />
            </div>

            <template #overlay>
              <div class="profile-dropdown">
                <div class="profile-summary">
                  <a-avatar :size="48" :style="{ background: getAvatarColor(authStore.userName) }">
                    {{ getUserInitials(authStore.userName) }}
                  </a-avatar>

                  <div class="profile-summary-info">
                    <div class="profile-name-top">{{ authStore.userName || 'Postulante' }}</div>
                    <div class="profile-email">{{ authStore.userEmail || 'email@ejemplo.com' }}</div>
                    <div class="profile-dni">DNI: {{ authStore.userDni || 'No registrado' }}</div>
                    <div class="profile-status">
                      <a-tag color="green">Activo</a-tag>
                    </div>
                  </div>
                </div>


                <div class="dropdown-divider" />

                <div class="dropdown-item logout" @click="handleLogout">
                  <LogoutOutlined class="dropdown-icon" />
                  <div class="dropdown-item-content">
                    <div class="dropdown-item-title">Cerrar sesión</div>
                    <div class="dropdown-item-subtitle">Salir del portal</div>
                  </div>
                </div>
              </div>
            </template>
          </a-dropdown>
        </div>
      </div>
    </a-layout-header>


    <a-layout
      class="main-layout"
      :class="{ 'layout-collapsed': sidebarCollapsed && !isMobile }"
    >
      <div
        v-if="isMobile && !sidebarCollapsed"
        class="sidebar-backdrop"
        @click="sidebarCollapsed = true"
      />

      <a-layout-sider
        v-model:collapsed="sidebarCollapsed"
        :width="sidebarWidth"
        :collapsedWidth="collapsedWidth"
        collapsible
        breakpoint="lg"
        :trigger="null"
        theme="light"
        class="sidebar"
        :class="{ 'sidebar-mobile': isMobile }"
        @breakpoint="onBreakpoint"
      >
        <div class="sidebar-inner">
          <div class="sidebar-menu-container">
            <a-menu
              v-model:selectedKeys="selectedKeys"
              mode="inline"
              class="sidebar-menu"
              @select="handleMenuSelect"
            >
              <a-menu-item key="dashboard-postulante">
                <DashboardOutlined />
                <span>Panel Principal</span>
              </a-menu-item>

              <a-menu-divider v-if="!sidebarCollapsed" />

              <div class="menu-section" v-if="!sidebarCollapsed">
                <div class="section-label">Proceso de Admisión</div>
              </div>

              <a-menu-item key="test-postulante">
                <FormOutlined />
                <span>Test</span>
              </a-menu-item>

              <a-menu-item key="documentos">
                <FolderOutlined />
                <span>Documentos</span>
              </a-menu-item>
              <a-menu-item key="mis-procesos">
                <FolderOutlined />
                <span>Mis Procesos</span>
              </a-menu-item>

              <a-menu-item key="pagos">
                <DollarOutlined />
                <span>Pagos</span>
                <a-tag v-if="!sidebarCollapsed" color="green" class="menu-tag">Al día</a-tag>
              </a-menu-item>

              <a-menu-divider v-if="!sidebarCollapsed" />

              <div class="menu-section" v-if="!sidebarCollapsed">
                <div class="section-label">Seguimiento</div>
              </div>

              <a-menu-item key="seguimiento">
                <LineChartOutlined />
                <span>Estado del Proceso</span>
              </a-menu-item>

              <a-menu-item key="resultados">
                <FileDoneOutlined />
                <span>Resultados</span>
              </a-menu-item>

              <a-menu-divider v-if="!sidebarCollapsed" />

              <div class="menu-section" v-if="!sidebarCollapsed">
                <div class="section-label">Configuración</div>
              </div>

              <a-menu-item key="configuracion">
                <SettingOutlined />
                <span>Configuración</span>
              </a-menu-item>
            </a-menu>
          </div>

          <div class="sidebar-footer" v-if="!sidebarCollapsed">
            <div class="sidebar-help" @click="openHelp">
              <QuestionCircleOutlined />
              <span>Centro de Ayuda</span>
            </div>

            <div class="sidebar-version">
              <div class="version">Portal del Postulante</div>
              <div class="last-update">UNA Admisión {{ currentYear }}</div>
            </div>
          </div>
        </div>
      </a-layout-sider>

      <a-layout-content class="content">
        <div class="content-container">
          <a-card class="content-card" :bordered="false">
            <router-view />
          </a-card>
        </div>
      </a-layout-content>
    </a-layout>
  </a-layout>
</template>

<script setup>
import { ref, computed, onMounted, onUnmounted } from 'vue'
import { useRouter } from 'vue-router'
import { useAuthStore } from '../../store/postulanteStore'
import { message } from 'ant-design-vue'
import {
  MenuOutlined,
  DownOutlined,
  UserOutlined,
  SettingOutlined,
  LogoutOutlined,
  DashboardOutlined,
  FormOutlined,
  FolderOutlined,
  DollarOutlined,
  LineChartOutlined,
  FileDoneOutlined,
  QuestionCircleOutlined,
} from '@ant-design/icons-vue'

const router = useRouter()
const authStore = useAuthStore()

const selectedKeys = ref(['dashboard-postulante'])
const sidebarCollapsed = ref(false)
const isMobile = ref(false)

const sidebarWidth = computed(() => 280)
const collapsedWidth = computed(() => (isMobile.value ? 0 : 80))
const currentYear = computed(() => new Date().getFullYear())

const checkMobile = () => {
  isMobile.value = window.innerWidth < 992
  if (isMobile.value) sidebarCollapsed.value = true
}

const toggleSidebar = () => {
  sidebarCollapsed.value = !sidebarCollapsed.value
}

const onBreakpoint = (broken) => {
  isMobile.value = broken
  if (broken) sidebarCollapsed.value = true
}

const getUserInitials = (name) => {
  if (!name) return 'P'
  const parts = name.trim().split(/\s+/)
  if (parts.length === 1) return parts[0].charAt(0).toUpperCase()
  return (parts[0].charAt(0) + parts[parts.length - 1].charAt(0)).toUpperCase()
}

const getAvatarColor = (name) => {
  if (!name) return '#1677ff'
  const colors = ['#1677ff', '#52c41a', '#fa8c16', '#f5222d', '#722ed1', '#13c2c2', '#eb2f96', '#faad14']
  const index = name.split('').reduce((acc, char) => acc + char.charCodeAt(0), 0)
  return colors[index % colors.length]
}

const handleMenuSelect = ({ key }) => {
  selectedKeys.value = [key]

  const routes = {
    'dashboard-postulante': { name: 'DashboardPostulante' },
    'test-postulante': { name: 'TestPostulante' },
    'inscripcion': { name: 'InscripcionPostulante' },
    'documentos': { name: 'DocumentosPostulante' },
    'pagos': { name: 'PanelPagos' },
    'mis-procesos': { name: 'PanelProcesos' },
    'seguimiento': { name: 'SeguimientoPostulante' },
    'resultados': { name: 'ResultadosPostulante' },
    'configuracion': { name: 'ConfiguracionPostulante' }
  }

  if (routes[key]) router.push(routes[key])
}

const handleLogout = async () => {
  try {
    await authStore.logout()
    message.success('Sesión cerrada correctamente')
    router.push('/')
  } catch (error) {
    message.error('Error al cerrar sesión')
  }
}


const openHelp = () => {
  message.info('Centro de ayuda disponible')
}

onMounted(() => {
  checkMobile()
  window.addEventListener('resize', checkMobile)
})

onUnmounted(() => {
  window.removeEventListener('resize', checkMobile)
})
</script>


<style scoped>


.portal-layout,
.portal-layout * {
  font-family: "Times New Roman", Times, serif;
}

.portal-layout {
  min-height: 100vh;
  background: var(--ant-colorBgLayout, #f5f5f5);
}

.header {
  height: 64px;
  padding: 0;
  background: var(--ant-colorBgContainer, #fff);
  border-bottom: 1px solid var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px; 
  width: 100%;    
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--ant-colorTextSecondary, #6b7280);
  transition: background .2s ease, color .2s ease;
}

.menu-toggle:hover {
  background: var(--ant-colorFillAlter, #fafafa);
  color: var(--ant-colorText, #111827);
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-img {
  height: 40px;
  width: 40px;
  object-fit: contain;
}

.logo-content {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.portal-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--ant-colorTextHeading, #111827);
}

.portal-subtitle {
  font-size: 12px;
  color: var(--ant-colorTextSecondary, #6b7280);
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.profile-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: background .2s ease;
}

.profile-trigger:hover {
  background: var(--ant-colorFillAlter, #fafafa);
}

.profile-avatar {
  color: #fff;
  font-weight: 700;
}

.profile-text {
  display: flex;
  flex-direction: column;
  gap: 0;             
  line-height: 1.05;  
}


.profile-name-top {
  font-size: 13px;
  font-weight: 800;
  color: var(--ant-colorText, #374151);
  margin: 0;         
  padding: 0;
}


.profile-meta-top {
  font-size: 12px;
  font-weight: 700;
  color: var(--ant-colorTextSecondary, #6b7280);
  margin: 0;      
  padding: 0;
  transform: translateY(-1px); 
}
.dropdown-chevron {
  font-size: 12px;
  color: var(--ant-colorTextSecondary, #6b7280);
}

/* Dropdown */
.profile-dropdown {
  width: 300px;
  background: var(--ant-colorBgContainer, #fff);
  border-radius: 14px;
  border: 1px solid var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
  box-shadow: 0 14px 36px rgba(0,0,0,.12);
  overflow: hidden;
}

.profile-summary {
  padding: 16px;
  background: var(--ant-colorFillAlter, #fafafa);
  display: flex;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
}

.profile-summary-info .profile-name {
  font-size: 15px;
  font-weight: 900;
  color: var(--ant-colorTextHeading, #111827);
}

.profile-email,
.profile-dni {
  font-size: 12px;
  color: var(--ant-colorTextSecondary, #6b7280);
  margin-top: 2px;
}

.profile-status {
  margin-top: 8px;
}

.dropdown-item {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: background .2s ease;
}

.dropdown-item:hover {
  background: var(--ant-colorFillAlter, #fafafa);
}

.dropdown-icon {
  font-size: 16px;
  color: var(--ant-colorTextSecondary, #6b7280);
}

.dropdown-item-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--ant-colorTextHeading, #111827);
}

.dropdown-item-subtitle {
  font-size: 12px;
  color: var(--ant-colorTextSecondary, #6b7280);
}

.dropdown-divider {
  height: 1px;
  background: var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
}

.dropdown-item.logout .dropdown-icon,
.dropdown-item.logout .dropdown-item-title {
  color: #ff4d4f;
}

.sidebar {
  background: var(--ant-colorBgContainer, #fff);
  border-right: 1px solid var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
  height: calc(100vh - 64px);
  position: fixed;
  left: 0;
  top: 64px;
  z-index: 999;
  box-shadow: 2px 0 10px rgba(0,0,0,.05);
}

.sidebar-inner {
  height: 100%;
  position: relative;
}

.sidebar-menu-container {
  height: calc(100% - 110px);
  overflow: auto;
  padding: 14px 8px;
}

.sidebar-menu-container::-webkit-scrollbar {
  width: 6px;
}
.sidebar-menu-container::-webkit-scrollbar-thumb {
  background: rgba(0,0,0,.18);
  border-radius: 10px;
}

.menu-section {
  padding: 10px 10px 6px;
}
.section-label {
  font-size: 11px;
  font-weight: 900;
  color: var(--ant-colorTextSecondary, #6b7280);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.sidebar-menu :deep(.ant-menu-item) {
  border-radius: 12px;
  margin: 4px 6px;
  height: 42px;
  line-height: 42px;
  transition: background .2s ease;
}

.sidebar-menu :deep(.ant-menu-item:hover) {
  background: var(--ant-colorFillAlter, #fafafa);
}

.sidebar-menu :deep(.ant-menu-item-selected) {
  background: rgba(22, 119, 255, 0.10) !important;
}

.sidebar-menu :deep(.ant-menu-item-selected),
.sidebar-menu :deep(.ant-menu-item-selected a),
.sidebar-menu :deep(.ant-menu-item-selected span),
.sidebar-menu :deep(.ant-menu-item-selected .anticon) {
  color: var(--ant-colorPrimary, #1677ff) !important;
}

.menu-tag {
  margin-left: auto;
}

.sidebar-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px;
  border-top: 1px solid var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
  background: var(--ant-colorBgContainer, #fff);
}

.sidebar-help {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 10px;
  border-radius: 12px;
  cursor: pointer;
  color: var(--ant-colorTextSecondary, #6b7280);
  transition: background .2s ease, color .2s ease;
}

.sidebar-help:hover {
  background: var(--ant-colorFillAlter, #fafafa);
  color: var(--ant-colorPrimary, #1677ff);
}

.sidebar-version {
  margin-top: 10px;
  padding: 10px;
  border-radius: 12px;
  background: var(--ant-colorFillAlter, #fafafa);
  text-align: center;
}

.version {
  font-size: 12px;
  font-weight: 900;
  color: var(--ant-colorTextSecondary, #6b7280);
}
.last-update {
  font-size: 11px;
  color: var(--ant-colorTextSecondary, #6b7280);
  margin-top: 2px;
}

.main-layout {
  margin-left: 280px;
  transition: margin-left .25s ease;
  min-height: calc(100vh - 64px);
}

.main-layout.layout-collapsed {
  margin-left: 80px;
}

.content {
  padding: 18px;
  background: var(--ant-colorBgLayout, #f5f5f5);
  min-height: calc(100vh - 64px);
}

.content-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.content-card {
  border-radius: 16px;
  border: 1px solid var(--ant-colorBorderSecondary, rgba(0,0,0,.06));
  box-shadow: var(--ant-boxShadowSecondary, 0 10px 28px rgba(0,0,0,.08));
  background: #fbfcff;
}



.content-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;

  background-image:
    repeating-linear-gradient(
      to right,
      rgba(13, 27, 82, 0.06) 0,
      rgba(13, 27, 82, 0.06) 1px,
      transparent 1px,
      transparent 24px
    ),
    repeating-linear-gradient(
      to bottom,
      rgba(13, 27, 82, 0.06) 0,
      rgba(13, 27, 82, 0.06) 1px,
      transparent 1px,
      transparent 24px
    );
  opacity: 0.55;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 998;
}

.sidebar.sidebar-mobile {
  top: 64px;
  height: calc(100vh - 64px);
}

.sidebar.sidebar-mobile :deep(.ant-layout-sider-children) {
  height: 100%;
}

@media (max-width: 992px) {
  .main-layout,
  .main-layout.layout-collapsed {
    margin-left: 0 !important;
  }

  .content-container {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .header,
  .header-container {
    height: 56px;
  }

  .sidebar,
  .sidebar.sidebar-mobile {
    top: 56px;
    height: calc(100vh - 56px);
  }

  .logo-img {
    height: 36px;
    width: 36px;
  }

  .portal-title {
    font-size: 14px;
  }

  .portal-subtitle {
    display: none;
  }

  .content {
    padding: 12px;
  }

  .content-card {
    border-radius: 14px;
  }
}
</style>