<template>
  <div class="page_container px-10 relative">
    <img
      class="w-6 h-6 mt-[5vh]"
      :src="login_back"
      alt=""
      @click="$router.back"
    />

    <div class="text-2xl text-primary font-semibold my-12">
      {{ isRegiste ? $t("register") : $t("forgetPasswordTitle") }}
    </div>

    <van-form @submit="onSubmit">
      <div>
        <div class="text-sm mb-1 text-sub-text">{{ $t("cellphone") }}</div>
        <div class="border border-gap-text rounded-lg flex items-center">
          <div
            class="flex items-center border-r border-gap-text px-3"
            @click="showAreaCode = true"
          >
            <span class="mr-1">{{ formData.areaCode }}</span>
            <van-icon name="arrow-down" />
          </div>
          <van-field
            class="!py-1 !text-base"
            clearable
            v-model="formData.phoneNumber"
            name="phoneNumber"
            type="number"
            :placeholder="$t('placeholder.inputPhoneNumber')"
          />
        </div>
      </div>

      <div class="mt-5" v-if="isRegiste"></div>

      <div class="mt-5" v-else>
        <div class="text-sm mb-1 text-sub-text">{{ $t("reAcquireDesc") }}</div>
        <div class="border border-gap-text rounded-lg">
          <van-field
            class="!py-1"
            clearable
            v-model="formData.verificationCode"
            name="verificationCode"
            type="text"
            :placeholder="$t('placeholder.inputVerificationCode')"
          >
            <template #button>
              <span class="text-primary" @click="reSend" v-if="count <= 0">{{
                $t("buttons.verificationCode")
              }}</span>
              <span class="text-primary" v-else>{{ count }}S</span>
            </template>
          </van-field>
        </div>
      </div>

      <div class="mt-28">
        <van-button block type="primary" native-type="submit">
          {{ $t("buttons.next") }}
        </van-button>
      </div>
    </van-form>

    <van-popup v-model:show="showAreaCode" round position="bottom">
      <van-picker
        :columns="countryCode"
        @cancel="showAreaCode = false"
        @confirm="onConfirmAreaCode"
        :columns-field-names="{
          text: 'phone_code',
          value: 'phone_code',
          children: 'children',
        }"
      />
    </van-popup>
  </div>
</template>

<script setup lang="ts">
import type { PickerConfirmEventParams } from "vant";
import { UsedFor } from "@/api/data";
import { sendSms, verifyCode } from "@/api/login";
import countryCode from "@/utils/areaCode";
import { feedbackToast } from "@/utils/common";
import login_back from "@assets/images/login_back.png";

const phoneRegExp = /^1[3-9]\d{9}$/;

const { t } = useI18n();
const router = useRouter();

const props = defineProps<{ isRegiste: boolean }>();
const formData = reactive({
  phoneNumber: "",
  areaCode: "+86",
  invitationCode: "",
  accept: true,
  verificationCode: "",
});
const showAreaCode = ref(false);
const count = ref(0);
let timer: NodeJS.Timer;

const onSubmit = () => {
  if (!phoneRegExp.test(formData.phoneNumber)) {
    feedbackToast({
      message: t("messageTip.correctPhoneNumber"),
      error: t("messageTip.correctPhoneNumber"),
    });
    return;
  }
  if (!props.isRegiste) {
    verifyCode({
      phoneNumber: formData.phoneNumber,
      areaCode: formData.areaCode,
      verifyCode: formData.verificationCode,
      usedFor: UsedFor.Modify,
    }).then(() => {
      router.push({
        path: "setPassword",
        query: {
          baseData: JSON.stringify({
            ...formData,
            isRegiste: props.isRegiste,
          }),
        },
      });
    });
    return;
  }
  sendSms({
    phoneNumber: formData.phoneNumber,
    areaCode: formData.areaCode,
    usedFor: UsedFor.Register,
  }).then(() => {
    router.push({
      path: "verifyCode",
      query: {
        baseData: JSON.stringify({
          ...formData,
          isRegiste: props.isRegiste,
        }),
      },
    });
  });
};

const onConfirmAreaCode = ({ selectedValues }: PickerConfirmEventParams) => {
  formData.areaCode = String(selectedValues[0]);
  showAreaCode.value = false;
};

const reSend = () => {
  if (count.value > 0) return;
  sendSms({
    phoneNumber: formData.phoneNumber,
    areaCode: formData.areaCode,
    usedFor: UsedFor.Login,
  })
    .then(startTimer)
    .catch((error) =>
      feedbackToast({ message: t("messageTip.sendCodeFailed"), error })
    );
};

const startTimer = () => {
  if (timer) {
    clearInterval(timer);
  }
  count.value = 60;
  timer = setInterval(() => {
    if (count.value > 0) {
      count.value -= 1;
    } else {
      clearInterval(timer);
    }
  }, 1000);
};
</script>

<style lang="scss" scoped>
.page_container {
  background: linear-gradient(
    180deg,
    rgba(0, 137, 255, 0.1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
}
</style>
