<template>
  <view>
    <uni-popup ref="popupRef" type="bottom" :safe-area="false">
      <view class="popup-container">
        <view class="drag-handle"></view>
        <view class="popup-header">
          <text class="popup-title">授权登录</text>
          <view class="close-btn" @tap="close">
            <uni-icons type="closeempty" size="20" color="#999"></uni-icons>
          </view>
        </view>

        <view class="avatar-section">
          <button
            open-type="chooseAvatar"
            @chooseavatar="onChooseAvatar"
            class="avatar-selector custom-button"
          >
            <view class="avatar-wrapper">
              <image v-if="avatarUrl" :src="avatarUrl" class="avatar-preview" />
              <image
                v-else
                src="/static/images/default-avatar.png"
                class="avatar-preview"
              />
              <view class="camera-icon">
                <uni-icons
                  type="camera-filled"
                  size="14"
                  color="#fff"
                ></uni-icons>
              </view>
            </view>
            <text class="upload-tip">点击上传头像</text>
          </button>
        </view>

        <view class="form-section">
          <view v-if="isSinglePage" class="single-page-tip">
            <uni-icons type="info" size="16" color="#ff4d4f"></uni-icons>
            <text class="tip-text">当前处于预览模式，请前往小程序登录</text>
          </view>
          <view class="input-group">
            <text class="label">昵称</text>
            <input
              class="nickname-input"
              type="nickname"
              v-model="nickname"
              placeholder="请输入或点击获取昵称"
              placeholder-class="placeholder"
            />
            <!-- <text class="get-nickname-btn">获取微信昵称</text> -->
          </view>
        </view>

        <view class="action-section">
          <button class="confirm-btn custom-button" @tap="confirmLogin">
            {{ isSinglePage ? "前往小程序登录" : "一键登录" }}
          </button>

          <!-- <view class="agreement-row" @tap="toggleAgreement">
            <view class="checkbox" :class="{ checked: isAgreed }">
              <uni-icons
                v-if="isAgreed"
                type="checkmarkempty"
                size="12"
                color="#fff"
              ></uni-icons>
            </view>
            <view class="agreement-text">
              登录即代表您同意
              <text class="link" @tap.stop="openAgreement('user')"
                >《用户协议》</text
              >
              及
              <text class="link" @tap.stop="openAgreement('privacy')"
                >《隐私政策》</text
              >
            </view>
          </view> -->
        </view>
      </view>
    </uni-popup>

    <!-- 隐私协议弹窗 -->
    <PrivacyPopup ref="privacyRef" @agree="onPrivacyAgree" />
  </view>
</template>

<script setup>
import { ref, computed } from "vue";
import { useUserStore } from "@/stores/user";
import { getPlatformProvider, isSinglePageMode } from "@/utils/system";
import { uploadImage } from "@/utils/common";
import { apiLogin } from "@/api/auth.js";
import { wxLogin, alipayLogin } from "@/utils/login.js";
import PrivacyPopup from "@/components/PrivacyPopup/PrivacyPopup.vue";

const popupRef = ref(null);
const privacyRef = ref(null);
const avatarUrl = ref("");
const nickname = ref("");

const userStore = useUserStore();

const props = defineProps({
  shareToken: {
    type: String,
    default: "",
  },
});

const emit = defineEmits(["logind"]);

// 是否处于单页模式（朋友圈打开）
const isSinglePage = computed(() => isSinglePageMode());

const festivalNames = [
  "春意",
  "福星",
  "小福",
  "新禧",
  "瑞雪",
  "花灯",
  "喜乐",
  "元宝",
  "春芽",
  "年年",
  "花灯",
  "月圆",
  "灯影",
  "小灯",
  "星灯",
  "彩灯",
  "清风",
  "微风",
  "小晴",
  "碧波",
  "流泉",
  "月光",
  "玉轮",
  "桂香",
  "秋叶",
  "星河",
  "小月",
  "露华",
  "秋水",
  "雪落",
  "冰晶",
  "暖阳",
  "小雪",
  "冬影",
  "雪花",
  "松影",
];

const getFestivalName = () => {
  const idx = Math.floor(Math.random() * festivalNames.length);
  return festivalNames[idx];
};

const open = async () => {
  // #ifdef MP-WEIXIN
  const isAgreed = await privacyRef.value.check();
  if (isAgreed) {
    popupRef.value.open();
  }
  // #endif

  // #ifndef MP-WEIXIN
  popupRef.value.open();
  // #endif
};

const onPrivacyAgree = () => {
  popupRef.value.open();
};

const close = () => {
  popupRef.value.close();
};

const onChooseAvatar = (e) => {
  avatarUrl.value = e.detail.avatarUrl;
};

const confirmLogin = async () => {
  // if (!isAgreed.value) {
  //   uni.showToast({ title: "请先同意用户协议和隐私政策", icon: "none" });
  //   return;
  // }

  if (isSinglePage.value) {
    uni.showModal({
      title: "提示",
      content: "请点击屏幕下方的“前往小程序”按钮，进入完整版体验登录功能",
      showCancel: false,
      confirmText: "我知道了",
    });
    return;
  }

  try {
    const platform = getPlatformProvider();

    if (platform === "mp-weixin") {
      const code = await wxLogin();
      const imageUrl = avatarUrl.value
        ? await uploadImage(avatarUrl.value)
        : "";

      const loginRes = await apiLogin({
        code,
        nickname: nickname.value || getFestivalName(),
        avatarUrl: imageUrl,
        platform: "wx",
        shareToken: props.shareToken,
      });
      // 保存用户信息到store
      userStore.setUserInfo({
        nickName: loginRes?.user?.nickname || nickname.value,
        avatarUrl: loginRes?.user?.avatar || imageUrl,
        id: loginRes?.user?.id,
        isVip: loginRes?.isVip || false,
        vipExpireAt: loginRes?.vipExpireAt || null,
      });

      userStore.setToken(loginRes.token);

      uni.showToast({ title: "登录成功", icon: "success" });
      emit("logind");
      popupRef.value.close();

      // 重置临时变量
      avatarUrl.value = "";
      nickname.value = "";
    } else if (platform === "mp-alipay") {
      const code = await alipayLogin();
      const imageUrl = avatarUrl.value
        ? await uploadImage(avatarUrl.value)
        : "";

      const loginRes = await apiLogin({
        code,
        nickname: nickname.value || getFestivalName(),
        avatarUrl: imageUrl,
        platform: "alipay",
        shareToken: props.shareToken,
      });
      // 保存用户信息到store
      userStore.setUserInfo({
        nickName: loginRes?.user?.nickname || nickname.value,
        avatarUrl: loginRes?.user?.avatar || imageUrl,
        id: loginRes?.user?.id,
        isVip: loginRes?.isVip || false,
        vipExpireAt: loginRes?.vipExpireAt || null,
      });

      userStore.setToken(loginRes.token);

      uni.showToast({ title: "登录成功", icon: "success" });
      emit("logind");
      popupRef.value.close();

      // 重置临时变量
      avatarUrl.value = "";
      nickname.value = "";
    }
  } catch (err) {
    uni.showToast({ title: "登录失败", icon: "none" });
    console.error(err);
  }
};
defineExpose({ open, close });
</script>

<style lang="scss">
.custom-button {
  border: none;
  outline: none;
  background-color: transparent;
  padding: 0;
  margin: 0;
  line-height: normal;
  font-family: inherit;
}

.custom-button::after {
  border: none;
}
.popup-container {
  background-color: #fff;
  padding: 20rpx 40rpx 60rpx;
  border-top-left-radius: 48rpx;
  border-top-right-radius: 48rpx;
  position: relative;

  .drag-handle {
    width: 64rpx;
    height: 8rpx;
    background: #e5e5e5;
    border-radius: 4rpx;
    margin: 0 auto 30rpx;
  }

  .popup-header {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 60rpx;
    position: relative;

    .popup-title {
      font-size: 36rpx;
      font-weight: 600;
      color: #1a1a1a;
    }

    .close-btn {
      position: absolute;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      padding: 10rpx;
    }
  }

  .avatar-section {
    display: flex;
    justify-content: center;
    margin-bottom: 80rpx;

    .avatar-selector {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .avatar-wrapper {
      width: 200rpx;
      height: 200rpx;
      background: #f5f5f5;
      border-radius: 50%;
      position: relative;
      margin-bottom: 20rpx;
      border: 4rpx solid #fff;
      box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.05);

      .avatar-preview {
        width: 100%;
        height: 100%;
        border-radius: 50%;
      }

      .camera-icon {
        position: absolute;
        right: 10rpx;
        bottom: 10rpx;
        width: 48rpx;
        height: 48rpx;
        background: #ff4d4f;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 4rpx solid #fff;
      }
    }

    .upload-tip {
      font-size: 26rpx;
      color: #999;
    }
  }

  .form-section {
    margin-bottom: 80rpx;

    .single-page-tip {
      display: flex;
      align-items: center;
      justify-content: center;
      background: #fff1f0;
      border: 1rpx solid #ffccc7;
      border-radius: 12rpx;
      padding: 16rpx;
      margin-bottom: 30rpx;

      .tip-text {
        font-size: 24rpx;
        color: #ff4d4f;
        margin-left: 8rpx;
      }
    }

    .input-group {
      display: flex;
      align-items: center;
      padding: 30rpx 0;
      border-bottom: 1rpx solid #f0f0f0;

      .label {
        font-size: 30rpx;
        color: #1a1a1a;
        font-weight: 500;
        width: 100rpx;
      }

      .nickname-input {
        flex: 1;
        font-size: 30rpx;
        color: #1a1a1a;
        margin-left: 20rpx;
      }

      .placeholder {
        color: #ccc;
      }

      .get-nickname-btn {
        font-size: 26rpx;
        color: #576b95;
        font-weight: 500;
      }
    }
  }

  .action-section {
    .confirm-btn {
      background: #ff4d4f;
      color: #fff;
      font-size: 34rpx;
      font-weight: 600;
      height: 100rpx;
      border-radius: 50rpx;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 40rpx;
      box-shadow: 0 12rpx 24rpx rgba(255, 77, 79, 0.3);

      &:active {
        opacity: 0.8;
      }
    }

    .agreement-row {
      display: flex;
      align-items: center;
      justify-content: center;
      padding-bottom: 20rpx;

      .checkbox {
        width: 32rpx;
        height: 32rpx;
        border: 2rpx solid #ccc;
        border-radius: 50%;
        margin-right: 16rpx;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;

        &.checked {
          background: #ff4d4f;
          border-color: #ff4d4f;
        }
      }

      .agreement-text {
        font-size: 24rpx;
        color: #999;

        .link {
          color: #576b95;
        }
      }
    }
  }
}
</style>
