<script setup>
import { reactive, ref } from 'vue';
import { message } from 'ant-design-vue';

import { HttpUtil, RandomUtil } from '@/utils';
import SettingListItem from '@/components/SettingListItem.vue';
import TwoFactorModal from './TwoFactorModal.vue';

const props = defineProps({
  allSetting: { type: Object, required: true },
});

// 2FA modal state — both the "set" (enabling) and "confirm" (changing
// password / disabling) flows route through the same component.
const tfa = reactive({
  open: false,
  title: '',
  description: '',
  token: '',
  type: 'set',
  // resolveConfirm is called by the modal's @confirm with the success bool;
  // it then routes the value back to whichever flow opened the modal.
  resolveConfirm: (_success) => {},
});

function openTfa({ title, description = '', token = '', type, onConfirm }) {
  tfa.title = title;
  tfa.description = description;
  tfa.token = token;
  tfa.type = type;
  tfa.resolveConfirm = onConfirm;
  tfa.open = true;
}

function onTfaConfirm(success) {
  tfa.resolveConfirm(success);
}

const user = reactive({
  oldUsername: '',
  oldPassword: '',
  newUsername: '',
  newPassword: '',
});
const updating = ref(false);

async function sendUpdateUser() {
  updating.value = true;
  try {
    const msg = await HttpUtil.post('/panel/setting/updateUser', user);
    if (msg?.success) {
      // Force re-login at the standard logout path; basePath is handled
      // by the Go router so a relative redirect is correct here.
      const basePath = window.__X_UI_BASE_PATH__ || '';
      window.location.replace(`${basePath}logout`);
    }
  } finally {
    updating.value = false;
  }
}

function updateUser() {
  if (props.allSetting.twoFactorEnable) {
    openTfa({
      title: 'Confirm with 2FA',
      description: 'Enter the current 6-digit code to change credentials.',
      token: props.allSetting.twoFactorToken,
      type: 'confirm',
      onConfirm: (ok) => { if (ok) sendUpdateUser(); },
    });
  } else {
    sendUpdateUser();
  }
}

function toggleTwoFactor() {
  // Switch read-only — the actual flip happens after the modal succeeds.
  if (!props.allSetting.twoFactorEnable) {
    const newToken = RandomUtil.randomBase32String();
    openTfa({
      title: 'Enable two-factor authentication',
      token: newToken,
      type: 'set',
      onConfirm: (ok) => {
        if (ok) {
          message.success('Two-factor authentication enabled.');
          props.allSetting.twoFactorToken = newToken;
        }
        props.allSetting.twoFactorEnable = ok;
      },
    });
  } else {
    openTfa({
      title: 'Disable two-factor authentication',
      description: 'Enter the current 6-digit code to disable 2FA.',
      token: props.allSetting.twoFactorToken,
      type: 'confirm',
      onConfirm: (ok) => {
        if (!ok) return;
        message.success('Two-factor authentication disabled.');
        props.allSetting.twoFactorEnable = false;
        props.allSetting.twoFactorToken = '';
      },
    });
  }
}
</script>

<template>
  <a-collapse default-active-key="1">
    <a-collapse-panel key="1" header="Admin">
      <SettingListItem paddings="small">
        <template #title>Current username</template>
        <template #control>
          <a-input v-model:value="user.oldUsername" autocomplete="username" />
        </template>
      </SettingListItem>

      <SettingListItem paddings="small">
        <template #title>Current password</template>
        <template #control>
          <a-input-password v-model:value="user.oldPassword" autocomplete="current-password" />
        </template>
      </SettingListItem>

      <SettingListItem paddings="small">
        <template #title>New username</template>
        <template #control>
          <a-input v-model:value="user.newUsername" />
        </template>
      </SettingListItem>

      <SettingListItem paddings="small">
        <template #title>New password</template>
        <template #control>
          <a-input-password v-model:value="user.newPassword" autocomplete="new-password" />
        </template>
      </SettingListItem>

      <a-list-item>
        <a-space direction="horizontal" :style="{ padding: '0 20px' }">
          <a-button type="primary" :loading="updating" @click="updateUser">Confirm</a-button>
        </a-space>
      </a-list-item>
    </a-collapse-panel>

    <a-collapse-panel key="2" header="Two-factor authentication">
      <SettingListItem paddings="small">
        <template #title>Enable 2FA</template>
        <template #description>Require a 6-digit TOTP code on every panel login.</template>
        <template #control>
          <a-switch :checked="allSetting.twoFactorEnable" @click="toggleTwoFactor" />
        </template>
      </SettingListItem>
    </a-collapse-panel>
  </a-collapse>

  <TwoFactorModal
    v-model:open="tfa.open"
    :title="tfa.title"
    :description="tfa.description"
    :token="tfa.token"
    :type="tfa.type"
    @confirm="onTfaConfirm"
  />
</template>
