<script setup>
import { useLanguageStore } from '@/stores/language';
import { computed } from 'vue';

const domain = import.meta.env.VITE_APP_DOMAIN;
const languageStore = useLanguageStore();

const setLanguage = (lang) => {
  languageStore.setLocale(lang);
};

const currentLocale = computed(() => languageStore.locale);
</script>

<template>
  <div class="settings-page">
    <div class="settings-container">
      <h2>{{ $t('howItWorks.title') }}</h2>
      <ol>
        <i18n-t keypath="howItWorks.step1" tag="li">
          <template #domain>
            <code>@{{ domain }}</code>
          </template>
        </i18n-t>
        <li>{{ $t('howItWorks.step2') }}</li>
        <li>{{ $t('howItWorks.step3') }}</li>
      </ol>

      <div class="language-switcher">
        <h3>{{ $t('language') }}</h3>
        <button @click="setLanguage('zh')" :class="{ active: currentLocale === 'zh' }">中文</button>
        <button @click="setLanguage('en')" :class="{ active: currentLocale === 'en' }">English</button>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Settings',
};
</script>

<style scoped>
.settings-page {
  padding: 2rem;
  display: flex;
  justify-content: center;
}

.settings-container {
  width: 100%;
  max-width: 800px;
  background-color: var(--light-grey);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--card-shadow);
}

h2 {
  color: var(--primary-purple);
  margin-top: 0;
}

ol {
  padding-left: 1.5rem;
  line-height: 1.8;
  font-size: 1.05rem;
  color: var(--dark-grey);
}

code {
  background-color: var(--light-purple);
  color: var(--text-light);
  padding: 0.3em 0.6em;
  border-radius: 6px;
  font-family: monospace;
  font-weight: 500;
}

.language-switcher {
  margin-top: 2rem;
  border-top: 1px solid var(--medium-grey);
  padding-top: 1.5rem;
}

.language-switcher h3 {
  margin-top: 0;
  color: var(--dark-grey);
}

.language-switcher button {
  margin-right: 1rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--medium-grey);
  background-color: #ffffff;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s;
}

.language-switcher button.active {
  background-color: var(--primary-purple);
  color: var(--text-light);
  border-color: var(--primary-purple);
}
</style>
