import {
  NavigationGuardNext,
  RouteLocationNormalized,
  createRouter,
  createWebHashHistory,
  createWebHistory
} from 'vue-router'

import LayoutDefault from '@/views/layouts/LayoutDefault.vue'

import { useUserStore } from './stores/userStore'
import { isElectron } from './utils/envUtil'

const isFileProtocol = window.location.protocol === 'file:'
const basePath = isElectron() ? '/' : window.location.pathname

const guardElectronAccess = (
  to: RouteLocationNormalized,
  from: RouteLocationNormalized,
  next: NavigationGuardNext
) => {
  if (isElectron()) {
    next()
  } else {
    next('/')
  }
}

const router = createRouter({
  history: isFileProtocol
    ? createWebHashHistory()
    : // Base path must be specified to ensure correct relative paths
      // Example: For URL 'http://localhost:7801/ComfyBackendDirect',
      // we need this base path or assets will incorrectly resolve from 'http://localhost:7801/'
      createWebHistory(basePath),
  routes: [
    {
      path: '/',
      component: LayoutDefault,
      children: [
        {
          path: '',
          name: 'GraphView',
          component: () => import('@/views/GraphView.vue'),
          beforeEnter: async (to, from, next) => {
            const userStore = useUserStore()
            await userStore.initialize()
            if (userStore.needsLogin) {
              next('/user-select')
            } else {
              next()
            }
          }
        },
        {
          path: 'user-select',
          name: 'UserSelectView',
          component: () => import('@/views/UserSelectView.vue')
        },
        {
          path: 'server-start',
          name: 'ServerStartView',
          component: () => import('@/views/ServerStartView.vue'),
          beforeEnter: guardElectronAccess
        },
        {
          path: 'install',
          name: 'InstallView',
          component: () => import('@/views/InstallView.vue'),
          beforeEnter: guardElectronAccess
        },
        {
          path: 'welcome',
          name: 'WelcomeView',
          component: () => import('@/views/WelcomeView.vue'),
          beforeEnter: guardElectronAccess
        },
        {
          path: 'not-supported',
          name: 'NotSupportedView',
          component: () => import('@/views/NotSupportedView.vue'),
          beforeEnter: guardElectronAccess
        },
        {
          path: 'download-git',
          name: 'DownloadGitView',
          component: () => import('@/views/DownloadGitView.vue'),
          beforeEnter: guardElectronAccess
        },
        {
          path: 'manual-configuration',
          name: 'ManualConfigurationView',
          component: () => import('@/views/ManualConfigurationView.vue'),
          beforeEnter: guardElectronAccess
        }
      ]
    }
  ],

  scrollBehavior(to, from, savedPosition) {
    if (savedPosition) {
      return savedPosition
    } else {
      return { top: 0 }
    }
  }
})

export default router