import './styles.css'
import { h, mount } from './dom'
import { bootstrap, getState, isAdmin, subscribe } from './store'
import { renderJoin } from './views/join'
import { renderWeek } from './views/week'
import { renderRadar } from './views/radar'
import { renderMap } from './views/map'
import { renderPlus } from './views/plus'
import { getBaseUrl } from './config'
import { checkForUpdate } from './update'
import { showUpdateModal } from './update-modal'

type Tab = 'meteo' | 'radar' | 'carte' | 'plus'

const app = document.getElementById('app')!
let activeTab: Tab = 'meteo'

const TABS: { id: Tab; label: string; icon: string }[] = [
  { id: 'meteo', label: 'Météo', icon: 'fa-cloud-sun' },
  { id: 'radar', label: 'Radar', icon: 'fa-satellite-dish' },
  { id: 'carte', label: 'La Carte', icon: 'fa-map-marked-alt' },
  { id: 'plus', label: 'Plus', icon: 'fa-ellipsis-h' },
]

function renderApp(): void {
  const state = getState()

  // Écran d'accueil : pas de session valide.
  if (!state.session) {
    const container = h('div', { class: 'mobile-container' })
    const main = h('main', { class: 'flex-1 overflow-y-auto no-scrollbar p-5' })
    renderJoin(main, renderApp)
    container.append(main)
    mount(app, container)
    return
  }

  // App pleine : header + contenu + nav.
  const container = h('div', { class: 'mobile-container' })

  const header = h(
    'header',
    { class: 'pt-8 pb-3 px-6 bg-slate-900/80 backdrop-blur-md flex justify-between items-center z-20 border-b border-slate-800/60' },
    h(
      'div',
      { class: 'flex items-center gap-3' },
      h('div', { class: 'w-9 h-9 rounded-2xl bg-gradient-to-tr from-sky-400 to-indigo-500 flex items-center justify-center text-white font-black shadow-md text-sm' }, 'ME'),
      h('div', {},
        h('h1', { class: 'text-lg font-extrabold text-white tracking-tight leading-none' }, 'Météo Exam'),
        h('p', { class: 'text-xs font-bold text-sky-400 mt-0.5' }, `${state.session.klass.name}${state.session.klass.level ? ` · ${state.session.klass.level}` : ''}`),
      ),
    ),
    h(
      'div',
      { class: 'flex items-center gap-2' },
      isAdmin()
        ? h('span', { class: 'inline-flex items-center px-2.5 py-1 rounded-full text-xs font-extrabold bg-sky-500/10 text-sky-400 border border-sky-500/20' },
            h('i', { class: 'fa-solid fa-user-shield mr-1' }), 'Admin')
        : null,
      h('span', { class: 'inline-flex items-center px-2.5 py-1 rounded-full text-xs font-extrabold bg-emerald-500/10 text-emerald-400 border border-emerald-500/20' },
        h('span', { class: 'w-2 h-2 rounded-full bg-emerald-500 animate-ping mr-1.5' }),
        'Direct'),
    ),
  )

  const main = h('main', { class: 'flex-1 overflow-y-auto no-scrollbar p-5 pb-28 relative' })
  const rerender = (): void => renderApp()

  switch (activeTab) {
    case 'meteo': renderWeek(main, rerender); break
    case 'radar': renderRadar(main, rerender); break
    case 'carte': renderMap(main, rerender); break
    case 'plus': renderPlus(main, rerender); break
  }

  const nav = h(
    'nav',
    { class: 'absolute bottom-0 left-0 right-0 bg-slate-900/95 backdrop-blur-xl border-t border-slate-800 px-4 py-3 flex justify-around items-center z-30' },
    ...TABS.map((tab) => {
      const active = tab.id === activeTab
      return h(
        'button',
        {
          class: `flex flex-col items-center gap-1 transition-colors ${active ? 'text-sky-400' : 'text-slate-500'}`,
          onclick: () => {
            activeTab = tab.id
            renderApp()
          },
        },
        tab.id === 'radar'
          ? h('div', { class: 'relative' },
              h('i', { class: `fa-solid ${tab.icon} text-xl` }),
              h('span', { class: 'absolute -top-1 -right-1 w-2 h-2 bg-rose-500 rounded-full' }))
          : h('i', { class: `fa-solid ${tab.icon} text-xl` }),
        h('span', { class: 'text-[10px] font-black tracking-wide' }, tab.label),
      )
    }),
  )

  container.append(header, main, nav)
  mount(app, container)
}

// --- Bootstrapping -----------------------------------------------------------

subscribe(renderApp)

void bootstrap().then(() => {
  renderApp()
  console.log(`Météo Exam — v${__APP_VERSION__} — serveur : ${getBaseUrl()}`)

  // Vérification de mise à jour (Android natif uniquement).
  void checkForUpdate().then((update) => {
    if (update) {
      showUpdateModal(update, () => renderApp())
    }
  })
})