<script setup lang="ts">
import { ref } from 'vue'
import { useRouter } from 'vue-router'
import { useAuthStore } from '@/stores/auth'
import { useValidation } from '@/composable/useValidation'
import type { FormError } from '@nuxt/ui'
import { i18n } from '@/plugins/02_i18n'
import Empty from '@/layouts/empty.vue'

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

const email = ref('')
const submitted = ref(false)

async function handleRecover() {
  const success = await authStore.requestPasswordReset(email.value)
  if (success) {
    submitted.value = true
  }
}

function goToLogin() {
  router.push({ name: 'login' })
}

function goToRegister() {
  router.push({ name: 'register' })
}

function validate(): FormError[] {
  validation.reset()
  validation.validateEmail(email, 'email', i18n.t('validate_error.email_required'))
  return validation.errors
}
</script>

<template>
  <component :is="Empty || 'div'">
    <div class="h-[100vh] flex flex-col items-center justify-center px-4 sm:px-6 lg:px-8">
      <div class="text-center mb-15">
        <div
          class="inline-flex items-center justify-center w-16 h-16 rounded-2xl bg-primary-500 text-white mb-4 shadow-lg shadow-primary-500/30">
          <UIcon name="i-heroicons-clock" class="w-8 h-8" />
        </div>
        <h1 class="text-3xl font-bold text-gray-900 dark:text-white">TimeTracker</h1>
      </div>
      <div class="w-full max-w-md flex flex-col gap-4">

        <template v-if="submitted">
          <div class="text-center flex flex-col gap-4">
            <UIcon name="i-heroicons-envelope" class="w-12 h-12 mx-auto text-primary-500" />
            <h2 class="text-xl font-semibold dark:text-white text-black">{{ $t('general.check_your_email') }}</h2>
            <p class="text-sm text-gray-600 dark:text-gray-400">
              {{ $t('general.password_reset_link_sent_notice') }}
            </p>
            <UButton color="neutral" variant="outline" block @click="goToLogin"
              class="dark:text-white text-black cursor-pointer">
              {{ $t('general.back_to_sign_in') }}
            </UButton>
          </div>
        </template>

        <template v-else>
          <div class="text-center">
            <p class="text-sm text-gray-600 dark:text-gray-400">
              {{ $t('general.enter_email_for_password_reset') }}
            </p>
          </div>

          <UForm :validate="validate" @submit="handleRecover" class="flex flex-col gap-3">
            <UAlert v-if="authStore.error" color="error" variant="subtle" icon="i-heroicons-exclamation-triangle"
              :title="authStore.error" :close-button="{ icon: 'i-heroicons-x-mark-20-solid', variant: 'link' }"
              @close="authStore.clearError" />

            <UFormField :label="$t('general.email_address')" name="email" required
              class="w-full dark:text-white text-black">
              <UInput v-model="email" :placeholder="$t('general.enter_your_email')" :disabled="authStore.loading"
                class="w-full dark:text-white text-black placeholder:text-(--placeholder)" />
            </UFormField>

            <UButton type="submit" block :loading="authStore.loading"
              class="text-white bg-(--accent-blue-light) dark:bg-(--accent-blue-dark) cursor-pointer">
              {{ $t('general.send_password_reset_link') }}
            </UButton>
          </UForm>

          <div
            class="text-center flex flex-col gap-3 border-t dark:border-(--border-dark) border-(--border-light) pt-4">
            <button color="neutral" variant="outline" :loading="authStore.loading"
              class="w-full flex items-center gap-2 justify-center text-[15px] dark:text-white text-black cursor-pointer"
              @click="goToLogin">
              <UIcon name="mingcute:arrow-left-line"
                class="text-(--accent-blue-light) dark:text-(--accent-blue-dark) text-[16px]" />
              {{ $t('general.back_to_sign_in') }}
            </button>
            <p class="text-sm text-gray-600 dark:text-gray-400">
              {{ $t('general.dont_have_an_account') }}
              <button variant="link" size="sm" @click="goToRegister"
                class=" text-[15px] text-(--accent-blue-light) dark:text-(--accent-blue-dark) cursor-pointer">{{
                  $t('general.create_account_now') }}
              </button>
            </p>
          </div>
        </template>
      </div>
    </div>
  </component>
</template>
